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Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %Ashdown Gorge Wilderness
15 ASHDWN15 1 2 73.2 174.6 111.3 28.1 6.7 1.4 0.3 73.0 174.6 111.3 28.0 6.7 1.4 0.3 -0.2 0.0 0.0% 0.0 0.0% -0.1 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 1 3 73.0 176.2 115.2 25.5 7.5 1.4 0.3 72.9 176.2 115.1 25.5 7.5 1.4 0.3 -0.1 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 1 72.9 168.4 115.3 27.6 6.0 1.4 0.3 72.9 168.4 115.2 27.6 6.0 1.4 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -2.7% 0.0 0.0%15 ASHDWN15 2 2 72.2 164.2 109.5 29.3 7.2 1.3 0.3 72.2 164.1 109.5 29.3 7.2 1.3 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 -0.2% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 3 71.7 165.3 108.8 29.0 7.5 1.3 0.3 71.7 165.3 108.8 29.0 7.5 1.3 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 4 72.9 161.6 93.9 27.5 8.3 1.2 0.3 72.9 161.6 93.9 27.5 8.3 1.2 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 5 71.3 163.3 93.7 27.1 7.2 1.1 0.3 71.3 163.4 93.7 27.1 7.2 1.1 0.3 0.0 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 1 74.1 162.7 104.8 31.9 7.4 1.3 0.2 74.1 162.7 104.8 31.9 7.5 1.3 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 2 71.3 161.5 104.0 30.3 7.4 1.3 0.7 71.3 161.5 103.9 30.3 7.4 1.2 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% -0.1 -4.0% 0.0 -6.5%15 ASHDWN15 3 3 70.5 162.1 95.4 29.2 7.6 1.2 0.3 70.5 162.0 95.5 29.2 7.6 1.2 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 4 72.4 158.9 94.7 29.2 7.8 1.2 0.2 72.4 158.9 94.7 29.2 7.8 1.2 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 5 73.3 155.1 86.8 29.5 8.0 2.0 0.2 73.3 155.1 86.8 29.5 8.0 2.0 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 1 75.7 156.5 94.3 32.7 7.9 2.0 0.2 75.7 156.5 94.2 32.6 7.9 2.0 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 2 73.6 161.9 105.4 30.7 8.4 2.0 0.7 73.6 161.8 105.4 30.7 8.4 2.1 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.1 2.6% 0.0 6.2%15 ASHDWN15 4 3 72.9 156.6 95.0 30.3 8.1 2.0 0.6 72.9 156.5 95.0 30.4 8.1 2.0 0.6 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 4 74.3 157.1 91.6 28.2 7.8 1.9 0.2 74.3 157.0 91.6 28.2 7.8 1.9 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Beartrap Canyon WSA19 ZION19 2 2 72.7 235.2 169.9 65.9 11.5 2.1 0.2 72.7 229.6 165.4 65.6 11.7 2.1 0.2 0.0 -5.6 -2.4% -4.5 -2.6% -0.3 -0.5% 0.2 17.9% 0.0 0.0% 0.0 0.0%
Beaver Dam Mountains Wilderness4 BEAVER4 2 3 74.3 420.7 311.9 135.8 30.0 3.9 1.2 74.3 411.0 309.1 133.6 27.0 3.7 1.2 0.0 -9.7 -2.3% -2.8 -0.9% -2.2 -1.6% -3.0 -10.2% -0.2 -5.5% 0.0 0.0%4 BEAVER4 2 4 73.6 426.9 303.6 131.3 20.8 4.5 1.2 73.6 417.6 297.7 128.1 18.4 4.3 1.2 0.0 -9.3 -2.2% -5.9 -1.9% -3.2 -2.4% -2.4 -11.5% -0.2 -4.7% 0.0 0.0%4 BEAVER4 2 5 72.0 426.8 301.3 133.1 20.6 3.9 1.0 72.0 417.8 295.8 131.2 19.4 3.6 1.0 0.0 -9.0 -2.1% -5.4 -1.8% -1.9 -1.4% -1.3 -6.1% -0.2 -5.5% 0.0 0.0%4 BEAVER4 2 6 71.6 402.9 302.5 130.4 23.5 3.5 1.0 71.6 393.3 297.6 129.5 22.2 3.4 1.0 0.0 -9.6 -2.4% -5.0 -1.6% -0.9 -0.7% -1.3 -5.6% -0.1 -2.7% 0.0 0.0%4 BEAVER4 3 4 74.2 404.6 305.1 130.1 20.8 4.7 1.3 74.2 395.3 300.1 126.7 18.8 4.6 1.3 0.0 -9.3 -2.3% -5.0 -1.6% -3.3 -2.6% -2.0 -9.5% -0.1 -1.3% 0.0 0.0%4 BEAVER4 3 5 73.4 412.4 293.7 122.5 18.8 4.7 1.1 73.4 403.2 288.3 120.1 16.8 4.4 1.1 0.0 -9.2 -2.2% -5.4 -1.8% -2.5 -2.0% -2.0 -10.6% -0.3 -7.0% 0.0 0.0%4 BEAVER4 3 6 72.4 431.8 290.4 125.9 19.8 3.9 1.0 72.4 387.8 280.6 125.0 18.9 3.6 1.0 0.0 -44.1 -10.2% -9.8 -3.4% -1.0 -0.8% -0.8 -4.2% -0.3 -7.0% 0.0 0.0%4 BEAVER4 3 7 72.2 426.9 292.6 125.7 22.4 3.4 1.0 72.2 379.1 283.3 124.6 21.8 3.4 1.0 0.0 -47.7 -11.2% -9.3 -3.2% -1.1 -0.9% -0.6 -2.9% 0.0 -0.1% 0.0 0.0%4 BEAVER4 4 3 73.8 400.0 293.5 120.6 28.3 6.8 1.4 73.8 390.8 288.9 117.9 27.4 5.0 1.4 0.0 -9.2 -2.3% -4.7 -1.6% -2.7 -2.2% -0.9 -3.3% -1.9 -27.3% 0.0 0.0%4 BEAVER4 4 4 74.0 435.2 301.1 126.9 27.3 4.1 1.3 74.0 387.1 290.8 123.9 24.3 4.1 1.3 0.0 -48.1 -11.1% -10.3 -3.4% -3.0 -2.3% -3.0 -11.1% 0.0 0.2% 0.0 0.0%4 BEAVER4 4 5 74.2 436.1 291.2 120.5 20.2 5.0 1.3 74.2 388.1 280.9 118.5 18.0 4.6 1.3 0.0 -48.0 -11.0% -10.3 -3.5% -2.0 -1.7% -2.1 -10.6% -0.3 -6.6% 0.0 0.0%4 BEAVER4 4 6 73.5 415.9 296.5 110.3 16.3 4.7 1.1 73.5 368.4 285.9 108.5 15.0 4.2 1.1 0.0 -47.5 -11.4% -10.6 -3.6% -1.8 -1.6% -1.3 -8.1% -0.5 -10.4% 0.0 0.0%4 BEAVER4 4 7 72.6 417.5 290.3 113.1 14.3 3.5 1.0 72.6 370.8 280.0 112.1 13.3 3.3 1.0 0.0 -46.7 -11.2% -10.4 -3.6% -1.0 -0.9% -1.0 -6.7% -0.1 -4.1% 0.0 0.0%4 BEAVER4 5 5 74.2 426.8 291.2 121.0 23.1 4.6 1.3 74.2 393.1 280.9 117.4 20.3 4.5 1.3 0.0 -33.7 -7.9% -10.4 -3.6% -3.6 -3.0% -2.8 -12.1% -0.1 -2.5% 0.0 0.0%4 BEAVER4 5 6 74.7 411.2 280.4 106.5 16.8 5.5 1.3 74.7 376.4 269.9 104.2 15.4 4.9 1.3 0.0 -34.8 -8.5% -10.6 -3.8% -2.3 -2.2% -1.4 -8.5% -0.6 -10.7% 0.0 -1.1%4 BEAVER4 6 4 73.1 414.6 280.9 120.2 25.5 5.9 1.8 73.1 404.8 272.6 117.3 25.4 6.5 1.8 0.0 -9.8 -2.4% -8.4 -3.0% -2.9 -2.4% -0.1 -0.5% 0.6 10.5% 0.0 0.0%4 BEAVER4 6 5 73.8 414.3 301.5 115.5 28.4 6.4 1.4 73.8 404.4 281.3 112.8 26.3 4.1 1.4 0.0 -9.9 -2.4% -20.2 -6.7% -2.8 -2.4% -2.1 -7.4% -2.3 -35.2% 0.0 0.0%4 BEAVER4 7 6 74.1 404.0 321.7 120.1 26.4 6.3 1.4 74.1 393.4 286.0 112.8 20.3 4.1 1.3 0.0 -10.6 -2.6% -35.7 -11.1% -7.3 -6.1% -6.1 -23.0% -2.2 -35.2% -0.1 -4.8%4 BEAVER4 7 7 74.2 416.0 317.8 112.5 17.6 5.2 1.2 74.2 401.5 279.6 104.4 12.7 3.7 1.2 0.0 -14.5 -3.5% -38.1 -12.0% -8.2 -7.3% -4.8 -27.5% -1.5 -29.5% 0.0 -1.1%4 BEAVER4 8 6 72.9 409.0 306.5 118.2 26.0 7.8 0.9 72.9 394.2 294.9 113.7 25.0 5.2 0.9 0.0 -14.8 -3.6% -11.6 -3.8% -4.5 -3.8% -1.0 -3.8% -2.6 -33.5% 0.0 -2.2%4 BEAVER4 8 7 73.1 410.4 311.5 126.6 22.2 5.7 0.6 73.1 389.0 295.7 104.8 15.9 3.4 0.5 0.0 -21.4 -5.2% -15.9 -5.1% -21.8 -17.2% -6.3 -28.3% -2.4 -41.0% -0.1 -18.0%
Beaver Dam SP42 COUGAR42 2 1 70.6 127.3 63.0 13.2 2.7 1.2 0.0 70.6 127.3 63.0 13.2 2.7 1.2 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 2 2 70.2 125.6 54.5 12.7 2.7 0.3 0.0 70.2 125.6 54.5 12.7 2.7 0.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 2 3 70.6 123.4 52.6 12.5 2.9 0.2 0.0 70.6 123.4 52.6 12.5 2.9 0.2 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 3 1 72.4 134.0 72.2 13.3 2.9 1.3 0.1 72.4 134.0 72.2 13.3 2.9 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 2 1 70.6 123.4 52.6 12.5 2.9 0.2 0.0 70.6 123.4 52.6 12.5 2.9 0.2 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Canaan Mountain WSA30 CANAAN30 1 5 70.7 331.8 258.0 143.8 26.4 3.0 0.4 70.7 332.1 259.2 144.6 25.9 2.7 0.4 0.0 0.2 0.1% 1.2 0.5% 0.8 0.6% -0.5 -1.9% -0.3 -9.1% 0.0 0.0%30 CANAAN30 1 6 72.5 324.8 262.6 140.2 24.3 3.8 0.7 72.5 325.1 262.8 140.3 24.2 3.9 0.7 0.0 0.3 0.1% 0.1 0.1% 0.1 0.1% -0.1 -0.3% 0.1 2.5% 0.0 0.0%30 CANAAN30 2 3 71.9 345.3 257.9 149.3 22.5 3.5 0.2 71.9 346.5 258.7 149.4 22.8 3.5 0.2 0.0 1.2 0.3% 0.8 0.3% 0.1 0.1% 0.3 1.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 2 4 70.0 336.2 262.7 147.7 28.8 4.4 0.3 70.0 336.7 263.7 148.1 29.3 4.3 0.3 0.0 0.5 0.2% 1.0 0.4% 0.5 0.3% 0.5 1.6% 0.0 -0.3% 0.0 0.0%30 CANAAN30 2 5 69.2 328.7 265.8 143.9 28.1 3.9 0.2 69.2 329.7 266.9 144.8 27.7 3.9 0.2 0.0 1.0 0.3% 1.1 0.4% 0.9 0.6% -0.4 -1.3% 0.0 -0.5% 0.0 0.0%30 CANAAN30 2 6 71.1 332.3 265.4 141.0 29.8 4.0 0.2 71.1 332.8 266.7 141.2 29.8 4.0 0.2 0.0 0.5 0.1% 1.4 0.5% 0.1 0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 2 74.0 340.3 263.9 142.9 26.4 3.6 0.6 74.0 342.7 263.7 143.1 26.5 3.6 0.6 0.0 2.4 0.7% -0.2 -0.1% 0.2 0.2% 0.1 0.3% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 3 73.3 342.5 263.3 151.5 18.9 3.9 0.5 73.3 343.4 263.9 151.3 19.1 3.9 0.5 0.0 0.8 0.2% 0.6 0.2% -0.1 -0.1% 0.1 0.8% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 4 71.9 340.8 267.3 152.6 29.4 5.5 0.2 71.9 340.5 268.2 153.1 29.8 5.3 0.2 0.0 -0.3 -0.1% 1.0 0.4% 0.5 0.3% 0.4 1.4% -0.3 -5.1% 0.0 0.0%30 CANAAN30 3 5 69.4 340.6 267.9 146.6 32.6 3.8 0.2 69.4 340.0 268.9 147.4 32.3 3.8 0.2 0.0 -0.6 -0.2% 1.1 0.4% 0.8 0.5% -0.3 -0.9% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 6 69.7 333.7 264.5 142.0 33.1 3.8 0.2 69.7 332.2 266.0 142.6 33.0 3.8 0.2 0.0 -1.4 -0.4% 1.5 0.6% 0.5 0.4% -0.1 -0.3% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 2 74.0 345.0 262.9 145.5 27.4 4.3 0.7 74.0 345.4 262.8 145.8 27.5 4.3 0.7 0.0 0.4 0.1% -0.1 -0.1% 0.3 0.2% 0.1 0.3% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 3 74.2 342.0 269.1 163.0 24.6 3.8 0.6 74.2 342.7 269.6 162.9 24.7 3.8 0.6 0.0 0.7 0.2% 0.5 0.2% -0.1 -0.1% 0.1 0.6% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 4 73.5 335.3 267.6 153.6 23.4 6.4 1.3 73.5 336.1 268.5 154.1 23.9 6.1 1.0 0.0 0.8 0.2% 0.9 0.3% 0.5 0.3% 0.4 1.8% -0.3 -4.7% -0.3 -20.6%30 CANAAN30 4 5 71.4 329.5 265.0 149.8 30.8 3.8 0.2 71.4 329.3 266.1 150.6 31.1 3.8 0.2 0.0 -0.1 0.0% 1.1 0.4% 0.8 0.5% 0.3 1.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 6 69.5 331.1 267.0 139.8 34.5 2.2 0.2 69.5 330.4 267.6 140.2 34.4 2.2 0.2 0.0 -0.7 -0.2% 0.5 0.2% 0.4 0.3% -0.1 -0.2% 0.0 0.1% 0.0 0.0%30 CANAAN30 5 1 71.8 341.7 265.8 148.0 24.1 3.9 0.7 71.8 341.3 265.7 148.0 24.2 3.9 0.7 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.1 0.4% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 2 73.9 341.2 261.3 145.6 28.0 4.2 0.7 73.9 341.6 261.2 145.9 28.1 4.2 0.7 0.0 0.4 0.1% -0.1 -0.1% 0.3 0.2% 0.1 0.2% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 3 75.1 330.7 267.0 156.1 27.1 2.7 0.7 75.1 331.2 267.4 156.0 27.3 2.7 0.7 0.0 0.5 0.1% 0.4 0.2% -0.1 -0.1% 0.1 0.5% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 4 74.3 339.8 267.6 153.9 29.3 4.0 0.7 74.3 340.6 268.4 154.3 29.8 3.7 0.6 0.0 0.8 0.2% 0.8 0.3% 0.4 0.3% 0.5 1.6% -0.3 -7.1% 0.0 -3.2%30 CANAAN30 5 5 72.3 341.2 271.6 151.7 21.5 2.1 0.5 72.3 340.7 272.6 152.5 21.5 2.1 0.5 0.0 -0.5 -0.2% 1.1 0.4% 0.8 0.5% 0.0 0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 6 70.3 337.8 264.7 143.0 31.1 2.0 0.2 70.3 337.3 265.7 143.4 31.1 2.0 0.2 0.0 -0.5 -0.1% 0.9 0.3% 0.4 0.3% 0.0 -0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 1 70.6 321.5 267.8 145.0 23.6 2.6 0.7 70.6 321.6 267.6 145.1 23.6 2.6 0.7 0.0 0.1 0.0% -0.1 0.0% 0.0 0.0% 0.1 0.4% 0.0 -0.3% 0.0 0.0%30 CANAAN30 6 2 72.4 328.2 268.1 144.7 25.9 2.2 0.7 72.4 328.6 267.9 145.0 25.9 2.2 0.7 0.0 0.4 0.1% -0.2 -0.1% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 3 74.3 329.2 268.9 145.5 28.5 2.5 0.7 74.3 329.7 269.3 145.4 28.4 2.5 0.7 0.0 0.4 0.1% 0.4 0.2% -0.1 0.0% -0.2 -0.6% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 4 74.8 334.0 267.7 156.5 29.8 3.6 0.6 74.8 334.8 268.5 156.9 30.3 3.6 0.6 0.0 0.9 0.3% 0.8 0.3% 0.4 0.3% 0.5 1.5% 0.0 -0.5% 0.0 0.0%30 CANAAN30 6 5 74.1 336.9 265.1 142.9 22.9 2.2 0.4 74.1 337.7 266.0 144.0 22.9 2.2 0.4 0.0 0.8 0.2% 0.9 0.3% 1.1 0.8% 0.1 0.3% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 6 72.2 335.7 270.5 136.8 25.6 2.4 0.1 72.2 335.8 271.4 137.4 25.6 2.4 0.1 0.0 0.0 0.0% 0.9 0.3% 0.5 0.4% 0.0 -0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 1 70.8 317.6 263.0 137.7 24.4 2.7 0.7 70.8 317.5 263.0 137.8 24.4 2.7 0.7 0.0 -0.2 0.0% -0.1 0.0% 0.1 0.0% 0.1 0.4% 0.0 -0.6% 0.0 0.0%30 CANAAN30 7 2 71.0 327.1 264.4 141.6 22.9 2.1 0.7 71.0 327.5 264.2 141.5 22.9 2.1 0.7 0.0 0.4 0.1% -0.2 -0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 3 72.8 326.1 264.0 140.7 25.9 3.1 0.6 72.8 326.4 264.4 140.7 25.7 2.8 0.6 0.0 0.3 0.1% 0.4 0.2% -0.1 0.0% -0.2 -1.0% -0.3 -8.8% 0.0 0.0%30 CANAAN30 7 4 74.4 326.9 270.3 129.2 29.3 3.6 0.6 74.4 327.8 271.2 129.6 29.4 3.6 0.6 0.0 0.8 0.3% 0.8 0.3% 0.4 0.3% 0.1 0.5% 0.0 -0.4% 0.0 0.0%30 CANAAN30 7 5 74.5 334.7 265.1 140.1 26.4 2.6 0.5 74.5 335.7 266.0 141.2 26.4 2.6 0.5 0.0 1.0 0.3% 0.9 0.3% 1.1 0.8% 0.0 0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 6 73.5 332.8 269.6 133.1 20.3 2.4 0.4 73.5 333.6 270.6 133.6 20.3 2.4 0.4 0.0 0.8 0.2% 0.9 0.4% 0.5 0.4% 0.0 -0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 8 1 70.7 323.9 263.8 118.1 24.2 1.8 0.6 70.7 324.3 263.7 118.1 24.2 1.8 0.6 0.0 0.4 0.1% -0.1 0.0% 0.1 0.1% 0.1 0.4% 0.0 0.0% 0.0 0.0%30 CANAAN30 8 2 70.8 319.1 266.7 121.2 23.7 1.9 0.7 70.8 319.5 266.5 121.1 23.7 1.9 0.7 0.0 0.4 0.1% -0.2 -0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 8 3 71.5 323.2 264.5 130.2 21.5 3.6 0.8 71.5 323.6 265.0 130.2 21.3 3.3 0.7 0.0 0.4 0.1% 0.4 0.2% 0.0 0.0% -0.2 -1.1% -0.3 -7.8% 0.0 -2.7%30 CANAAN30 8 6 74.3 334.3 259.7 134.3 22.5 2.3 0.6 74.3 335.4 260.8 134.9 22.5 2.3 0.6 0.0 1.1 0.3% 1.2 0.4% 0.6 0.4% 0.0 -0.1% 0.0 0.0% 0.0 0.0%
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
30 CANAAN30 9 1 71.7 323.8 248.3 115.5 20.8 2.1 0.6 71.7 323.6 248.2 115.6 20.8 2.1 0.6 0.0 -0.2 -0.1% -0.1 0.0% 0.1 0.1% 0.0 0.2% 0.0 0.0% 0.0 0.0%30 CANAAN30 9 2 70.8 318.2 261.1 117.6 22.9 1.7 0.7 70.8 318.4 261.0 117.5 22.8 1.7 0.7 0.0 0.2 0.1% -0.1 -0.1% -0.1 -0.1% 0.0 -0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 9 3 70.8 316.6 265.5 130.1 24.4 3.7 0.7 70.8 317.0 266.0 130.0 24.1 3.4 0.7 0.0 0.4 0.1% 0.4 0.2% -0.1 -0.1% -0.3 -1.2% -0.3 -7.8% 0.0 0.0%
Cedar Breaks National Monument15 ASHDWN15 3 2 71.3 161.5 104.0 30.3 7.4 1.3 0.7 71.3 161.5 103.9 30.3 7.4 1.2 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% -0.1 -4.0% 0.0 -6.5%15 ASHDWN15 3 3 70.5 162.1 95.4 29.2 7.6 1.2 0.3 70.5 162.0 95.5 29.2 7.6 1.2 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 2 73.6 161.9 105.4 30.7 8.4 2.0 0.7 73.6 161.8 105.4 30.7 8.4 2.1 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.1 2.6% 0.0 6.2%15 ASHDWN15 4 3 72.9 156.6 95.0 30.3 8.1 2.0 0.6 72.9 156.5 95.0 30.4 8.1 2.0 0.6 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Clover Mountains WSA44 CLOVER44 1 2 74.2 105.2 43.5 15.9 3.9 0.4 0.2 74.2 105.2 43.5 15.9 3.9 0.4 0.2 0.0 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -0.3% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 3 73.0 98.0 40.5 16.2 2.9 0.5 0.2 73.0 98.0 40.5 16.2 2.9 0.5 0.2 0.0 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 4 71.6 95.1 39.5 15.3 2.3 0.4 0.2 71.6 95.1 39.5 15.2 2.3 0.4 0.2 0.0 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 5 71.4 85.9 35.5 12.8 2.2 0.4 0.2 71.4 85.9 35.5 12.8 2.2 0.4 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 6 72.1 80.8 32.5 12.0 2.3 0.4 0.1 72.1 80.8 32.5 12.0 2.3 0.4 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 7 73.9 75.3 30.3 11.5 2.7 0.4 0.0 73.9 75.3 30.3 11.5 2.7 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 2 75.4 115.7 50.1 16.5 4.0 0.4 0.2 75.4 115.7 50.1 16.5 4.0 0.4 0.2 0.0 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -0.3% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 3 74.7 107.9 41.7 16.0 3.2 0.4 0.2 74.7 107.9 41.7 16.0 3.2 0.4 0.2 0.0 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 4 73.7 96.7 40.5 14.3 2.7 0.4 0.2 73.7 96.7 40.5 14.3 2.7 0.4 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 5 72.4 94.7 38.9 14.5 2.3 0.5 0.2 72.4 94.7 38.9 14.5 2.3 0.5 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 6 70.9 86.4 37.6 13.5 2.1 0.4 0.2 70.9 86.4 37.6 13.5 2.1 0.4 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 7 72.4 75.7 31.7 11.9 2.7 0.4 0.0 72.4 75.7 31.7 11.9 2.7 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 1 74.5 130.3 62.8 17.1 4.1 0.4 0.0 74.5 130.3 62.8 17.1 4.0 0.4 0.0 0.0 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -0.3% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 2 75.0 129.6 62.4 16.7 3.3 0.4 0.0 75.0 129.6 62.4 16.7 3.3 0.4 0.0 0.0 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 3 75.4 116.8 56.1 16.0 3.1 0.4 0.2 75.4 116.8 56.1 16.0 3.1 0.4 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 4 75.5 105.8 41.1 14.3 3.1 0.4 0.2 75.5 105.8 41.1 14.3 3.1 0.4 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 5 74.2 96.1 39.8 13.9 2.8 0.4 0.2 74.2 96.1 39.8 13.9 2.8 0.4 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 6 73.1 88.2 38.0 13.8 2.6 0.4 0.2 73.1 88.2 38.0 13.8 2.6 0.4 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 7 71.4 80.9 37.0 13.4 2.1 0.4 0.0 71.4 80.9 37.0 13.4 2.1 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 3 74.9 127.5 61.2 15.8 3.0 0.4 0.0 74.9 127.5 61.2 15.8 3.0 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 4 75.7 114.3 56.0 15.2 3.1 0.4 0.0 75.7 114.3 55.9 15.2 3.1 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 5 75.6 104.7 41.5 14.5 3.1 0.4 0.0 75.6 104.7 41.5 14.5 3.1 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 6 74.9 94.4 38.6 13.7 2.9 0.4 0.0 74.9 94.4 38.6 13.7 2.9 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 7 73.5 92.9 37.9 13.7 2.7 0.4 0.0 73.5 92.9 37.9 13.7 2.7 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 3 73.5 134.8 65.5 15.9 3.2 0.4 0.0 73.5 134.8 65.4 15.9 3.2 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 4 74.7 120.9 61.6 14.9 3.2 0.4 0.0 74.7 120.9 61.6 14.9 3.2 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 5 76.1 112.4 54.7 14.3 3.2 0.5 0.0 76.1 112.4 54.7 14.3 3.2 0.5 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 6 75.9 105.1 46.0 14.1 3.2 0.5 0.0 75.9 105.0 46.0 14.1 3.2 0.5 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 6 4 73.2 131.9 65.1 15.6 3.4 1.5 0.1 73.2 131.9 65.1 15.6 3.4 1.5 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 6 5 74.7 121.4 59.7 15.0 3.5 0.5 0.1 74.7 121.4 59.7 15.0 3.5 0.5 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 6 6 75.8 114.8 58.4 14.5 3.2 0.4 0.1 75.8 114.8 58.4 14.5 3.2 0.4 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Coral Pink Sand Dunes SP29 MOQMTN29 1 2 74.5 284.4 215.3 100.8 14.0 2.9 0.5 74.5 284.6 215.1 100.5 13.7 2.6 0.5 0.0 0.2 0.1% -0.2 -0.1% -0.3 -0.3% -0.3 -2.0% -0.3 -9.5% 0.0 0.0%29 MOQMTN29 1 3 74.5 297.0 216.7 97.4 17.6 2.1 0.6 74.5 297.4 217.0 97.3 17.6 2.1 0.6 0.0 0.4 0.1% 0.3 0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Cottonwood Point Wilderness16 COTTON16 1 2 70.6 328.8 267.9 143.0 24.6 3.4 0.7 70.6 329.0 268.1 143.0 24.5 3.4 0.7 0.0 0.2 0.1% 0.2 0.1% 0.1 0.1% 0.0 -0.1% 0.0 -0.8% 0.0 0.0%16 COTTON16 2 1 71.5 330.2 249.9 136.6 22.5 2.5 0.6 71.5 330.6 250.2 137.2 22.5 2.7 0.6 0.0 0.4 0.1% 0.3 0.1% 0.6 0.5% 0.0 -0.1% 0.2 6.5% 0.0 0.0%16 COTTON16 2 2 70.9 317.5 258.0 136.5 24.1 2.2 0.7 70.9 317.9 258.8 137.1 23.9 2.2 0.7 0.0 0.4 0.1% 0.7 0.3% 0.7 0.5% -0.2 -0.7% 0.0 0.0% 0.0 0.0%16 COTTON16 3 1 72.8 323.3 254.0 125.7 17.3 2.7 0.6 72.8 324.2 254.8 126.4 17.3 2.7 0.6 0.0 1.0 0.3% 0.8 0.3% 0.6 0.5% 0.0 -0.1% 0.0 -0.3% 0.0 0.0%16 COTTON16 3 2 71.1 323.2 252.1 131.9 24.3 2.0 0.6 71.1 323.9 252.8 132.5 24.1 2.0 0.6 0.0 0.7 0.2% 0.7 0.3% 0.6 0.5% -0.2 -0.7% 0.0 0.0% 0.0 0.0%16 COTTON16 4 1 73.9 319.0 251.5 124.5 22.8 3.3 0.6 73.9 319.9 252.4 125.1 23.4 3.1 0.6 0.0 1.0 0.3% 0.9 0.3% 0.6 0.5% 0.5 2.4% -0.2 -6.4% 0.0 0.0%16 COTTON16 4 2 72.7 326.6 252.9 119.8 22.7 2.4 0.6 72.7 327.3 253.6 120.3 22.7 2.4 0.6 0.0 0.7 0.2% 0.7 0.3% 0.4 0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Cottonwood WSA38 COTTON38 1 1 72.8 379.2 248.5 68.4 13.7 2.9 0.3 72.8 357.6 220.3 55.7 9.9 2.1 0.3 0.0 -21.6 -5.7% -28.2 -11.4% -12.7 -18.6% -3.9 -28.3% -0.8 -27.2% 0.0 5.3%38 COTTON38 1 2 73.9 363.0 246.8 57.9 12.1 2.8 0.3 73.9 352.7 196.2 53.8 9.7 2.3 0.3 0.0 -10.2 -2.8% -50.5 -20.5% -4.1 -7.1% -2.3 -19.4% -0.5 -19.0% -0.1 -17.3%38 COTTON38 2 1 71.7 359.5 249.1 70.0 13.9 2.9 0.3 71.7 343.3 227.1 60.7 12.5 2.7 0.2 0.0 -16.3 -4.5% -22.0 -8.8% -9.3 -13.3% -1.5 -10.4% -0.2 -7.3% -0.1 -27.9%38 COTTON38 2 2 73.3 353.9 243.4 59.2 11.3 1.9 0.2 73.3 342.2 196.7 57.1 12.8 2.5 0.2 0.0 -11.7 -3.3% -46.7 -19.2% -2.1 -3.6% 1.5 13.4% 0.6 30.6% 0.0 0.0%38 COTTON38 2 3 73.7 360.6 217.9 55.5 11.6 1.6 0.2 73.7 338.1 187.7 54.3 11.9 2.1 0.2 0.0 -22.5 -6.2% -30.1 -13.8% -1.1 -2.1% 0.4 3.2% 0.4 26.0% 0.0 0.0%38 COTTON38 3 1 72.1 343.2 258.4 66.5 17.1 4.0 0.3 72.1 339.5 241.9 58.5 13.4 2.7 0.2 0.0 -3.7 -1.1% -16.5 -6.4% -8.0 -12.1% -3.7 -21.5% -1.3 -33.2% -0.1 -28.0%38 COTTON38 3 2 72.7 344.8 215.4 62.4 12.3 2.2 0.2 72.7 338.7 183.7 59.1 11.4 1.8 0.2 0.0 -6.1 -1.8% -31.7 -14.7% -3.3 -5.3% -0.9 -7.2% -0.4 -18.0% 0.0 0.0%38 COTTON38 3 3 73.8 342.2 187.3 59.3 11.7 2.0 0.2 73.8 321.7 180.0 56.9 11.1 1.5 0.2 0.0 -20.5 -6.0% -7.3 -3.9% -2.4 -4.1% -0.6 -5.4% -0.4 -21.4% 0.0 0.0%38 COTTON38 4 1 72.9 347.6 234.0 73.6 23.2 6.0 0.2 72.9 346.2 217.5 70.5 16.7 3.1 0.2 0.0 -1.4 -0.4% -16.6 -7.1% -3.1 -4.2% -6.5 -27.9% -2.9 -48.1% 0.0 1.2%38 COTTON38 4 2 71.7 346.6 199.0 61.8 18.4 2.1 0.2 71.7 342.5 195.3 57.4 13.9 2.0 0.2 0.0 -4.1 -1.2% -3.7 -1.9% -4.5 -7.3% -4.5 -24.4% 0.0 -1.9% 0.0 0.0%38 COTTON38 4 3 73.4 339.9 194.3 56.6 13.2 1.7 0.2 73.4 322.8 187.0 52.8 12.0 1.5 0.2 0.0 -17.1 -5.0% -7.3 -3.7% -3.8 -6.8% -1.2 -9.0% -0.2 -9.4% 0.0 2.0%38 COTTON38 5 1 73.3 341.3 205.5 70.1 24.6 5.2 0.3 73.3 339.2 203.3 68.8 21.4 3.3 0.4 0.0 -2.1 -0.6% -2.2 -1.1% -1.3 -1.9% -3.2 -12.9% -1.9 -36.6% 0.0 9.0%38 COTTON38 5 2 72.7 335.4 206.5 68.2 21.4 2.6 0.2 72.7 331.0 202.5 65.4 15.2 2.4 0.2 0.0 -4.4 -1.3% -4.0 -1.9% -2.9 -4.2% -6.2 -28.9% -0.2 -7.2% 0.0 0.0%38 COTTON38 5 3 72.6 329.7 195.0 65.8 15.9 1.8 0.2 72.6 312.8 190.2 60.0 14.0 1.9 0.2 0.0 -16.9 -5.1% -4.8 -2.4% -5.8 -8.8% -1.9 -11.9% 0.0 0.8% 0.0 0.0%38 COTTON38 6 3 72.2 291.1 199.3 71.5 21.1 1.8 0.2 72.2 287.8 195.9 67.5 13.6 1.7 0.2 0.0 -3.3 -1.1% -3.4 -1.7% -4.0 -5.6% -7.5 -35.4% -0.1 -7.4% 0.0 0.0%
Cougar Canyon WSA41 COUGAR41 2 2 72.8 139.0 79.7 13.4 2.9 1.3 0.1 72.8 139.0 79.7 13.4 2.9 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 2 3 72.4 134.0 72.2 13.3 2.9 1.3 0.1 72.4 134.0 72.2 13.3 2.9 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 3 1 72.4 156.0 100.4 17.2 3.9 1.3 0.0 72.4 156.0 100.4 17.2 3.9 1.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 3 2 73.1 142.6 99.0 16.6 4.1 1.3 0.1 73.1 142.6 99.0 16.6 4.1 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 3 3 73.6 136.6 76.4 15.6 3.1 1.3 0.1 73.6 136.5 76.4 15.6 3.1 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 4 1 70.6 166.7 107.7 18.1 4.3 1.6 0.1 70.6 166.6 107.7 18.1 4.3 1.6 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 4 2 72.0 151.6 103.2 16.6 3.8 1.3 0.0 72.0 151.5 103.2 16.6 3.8 1.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 4 3 73.0 143.4 92.2 16.3 4.1 1.3 0.1 73.0 143.4 92.2 16.3 4.1 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 5 2 70.7 165.2 107.6 19.4 4.4 1.6 0.1 70.7 165.0 107.6 19.4 4.4 1.6 0.1 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 5 3 71.2 155.3 100.0 17.0 4.9 1.3 0.1 71.2 155.1 99.9 17.0 4.9 1.3 0.1 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 3 2 71.8 126.3 58.4 12.7 3.0 1.3 0.1 71.8 126.3 58.4 12.7 3.0 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 3 3 70.7 125.8 55.6 12.1 2.9 0.3 0.0 70.7 125.7 55.6 12.1 2.9 0.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 4 1 73.6 136.6 76.4 15.6 3.1 1.3 0.1 73.6 136.5 76.4 15.6 3.1 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 4 2 73.2 134.0 71.3 13.0 3.0 1.3 0.1 73.2 134.0 71.3 13.0 3.0 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 5 1 73.0 143.7 92.2 16.3 4.1 1.3 0.1 73.0 143.7 92.2 16.3 4.1 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 5 2 73.6 139.1 75.4 15.4 3.2 1.3 0.1 73.6 139.0 75.4 15.4 3.2 1.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 6 1 71.2 155.3 100.0 17.0 4.9 1.3 0.1 71.2 155.0 99.9 17.0 4.9 1.3 0.1 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Deep Creek WSA35 DEEPCK35 1 1 73.5 256.4 170.1 65.0 10.2 1.7 0.6 73.5 253.5 169.0 65.3 10.2 1.7 0.6 0.0 -2.9 -1.1% -1.1 -0.6% 0.3 0.4% 0.0 -0.4% 0.0 0.0% 0.0 0.0%35 DEEPCK35 2 1 72.7 251.4 167.7 71.8 9.1 1.7 0.7 72.7 248.9 167.0 72.6 9.1 1.7 0.7 0.0 -2.4 -1.0% -0.7 -0.4% 0.8 1.1% 0.0 0.3% 0.0 0.0% 0.0 0.0%35 DEEPCK35 2 2 74.5 233.9 155.3 62.9 9.2 1.6 0.7 74.5 231.3 155.5 63.2 9.2 1.6 0.7 0.0 -2.5 -1.1% 0.2 0.2% 0.3 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%35 DEEPCK35 3 1 72.2 233.1 164.9 62.4 9.8 1.5 0.8 72.2 231.3 166.2 63.2 9.8 1.5 0.8 0.0 -1.9 -0.8% 1.3 0.8% 0.8 1.3% 0.0 0.2% 0.0 0.0% 0.0 0.0%35 DEEPCK35 3 2 74.0 233.4 151.0 54.0 9.1 1.4 0.7 74.0 231.5 152.1 54.3 9.1 1.4 0.7 0.0 -1.9 -0.8% 1.1 0.7% 0.3 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%36 DEEPCK6 2 1 74.5 233.9 155.3 62.9 9.2 1.6 0.7 74.5 231.4 155.5 63.2 9.2 1.6 0.7 0.0 -2.5 -1.1% 0.2 0.2% 0.3 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%36 DEEPCK6 2 2 75.2 224.3 150.4 50.4 9.6 1.5 0.7 75.2 221.6 150.4 50.4 9.6 1.5 0.7 0.0 -2.7 -1.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%36 DEEPCK6 3 1 74.0 233.3 151.2 54.0 9.1 1.4 0.7 74.0 231.4 152.3 54.3 9.1 1.4 0.7 0.0 -1.9 -0.8% 1.1 0.7% 0.3 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%36 DEEPCK6 3 2 74.9 224.6 133.1 50.6 9.4 1.5 0.7 74.9 222.3 133.5 50.6 9.4 1.5 0.7 0.0 -2.3 -1.0% 0.4 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 2222 SOUTH22 1 1 70.5 390.9 298.1 124.0 21.2 5.2 1.6 70.5 390.7 298.0 123.9 21.2 5.2 1.6 0.0 -0.3 -0.1% -0.1 0.0% -0.1 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%22 SOUTH22 1 2 72.5 406.7 322.7 120.0 14.6 5.7 0.7 72.5 406.5 322.5 120.0 14.6 5.7 0.7 0.0 -0.3 -0.1% -0.2 -0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 2 1 71.5 388.4 284.9 115.7 15.4 5.7 1.6 71.5 388.1 284.8 115.7 15.4 5.7 1.6 0.0 -0.3 -0.1% -0.1 0.0% 0.0 0.0% 0.0 -0.3% 0.0 0.0% 0.0 0.0%22 SOUTH22 2 2 71.9 400.5 296.7 121.0 16.7 5.5 1.5 71.9 400.3 296.5 121.0 16.6 5.5 1.5 0.0 -0.3 -0.1% -0.2 -0.1% -0.1 -0.1% 0.0 -0.2% 0.0 0.0% 0.0 0.0%22 SOUTH22 3 1 72.6 367.6 279.2 116.2 15.7 6.0 1.6 72.6 367.3 279.1 116.2 15.7 6.0 1.6 0.0 -0.3 -0.1% -0.1 0.0% 0.0 0.0% 0.0 -0.3% 0.0 0.0% 0.0 0.0%22 SOUTH22 3 2 72.8 393.6 287.7 118.1 15.3 5.3 1.5 72.8 393.4 287.5 118.1 15.4 5.3 1.5 0.0 -0.3 -0.1% -0.2 -0.1% 0.0 0.0% 0.1 0.5% 0.0 0.0% 0.0 0.0%22 SOUTH22 4 1 71.9 364.1 278.4 119.7 13.4 6.0 1.6 71.9 363.9 278.4 119.7 13.5 6.0 1.6 0.0 -0.2 -0.1% -0.1 0.0% 0.0 0.0% 0.1 0.6% 0.0 0.0% 0.0 0.0%22 SOUTH22 4 2 71.2 391.5 272.6 112.0 13.1 5.2 1.5 71.2 391.2 272.5 111.9 13.1 5.2 1.5 0.0 -0.2 -0.1% -0.1 0.0% 0.0 0.0% 0.1 0.6% 0.0 0.0% 0.0 0.0%22 SOUTH22 5 1 70.7 367.6 270.2 110.6 13.2 3.8 1.5 70.7 367.4 270.2 110.6 13.2 3.8 1.5 0.0 -0.3 -0.1% 0.0 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 5 2 70.1 369.3 267.0 100.4 13.2 5.0 1.5 70.1 369.1 267.0 100.5 13.2 5.0 1.5 0.0 -0.2 -0.1% 0.0 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 6 1 70.8 364.3 250.0 97.2 12.6 3.4 1.5 70.8 364.2 250.0 97.4 12.6 3.4 1.5 0.0 -0.1 0.0% 0.0 0.0% 0.1 0.1% 0.0 0.2% 0.0 0.0% 0.0 0.0%22 SOUTH22 6 2 70.9 365.2 256.1 90.8 13.0 3.1 1.5 70.9 365.0 256.1 90.8 13.0 3.1 1.5 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.2% 0.0 0.0% 0.0 0.0%22 SOUTH22 7 1 71.8 347.8 247.1 83.2 12.7 3.3 0.2 71.8 347.6 247.2 83.2 12.7 3.3 0.2 0.0 -0.1 0.0% 0.1 0.1% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 7 2 72.2 351.1 246.6 80.7 12.8 3.3 0.6 72.2 350.9 246.7 80.8 12.8 3.3 0.6 0.0 -0.2 -0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 2323 SOUTH23 1 1 71.9 347.6 225.6 83.4 12.7 3.2 0.2 71.9 347.5 225.7 83.4 12.7 3.2 0.2 0.0 -0.1 0.0% 0.1 0.1% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 1 2 72.2 351.3 244.7 81.4 12.7 3.3 0.6 72.2 351.1 244.7 81.4 12.7 3.3 0.6 0.0 -0.2 -0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 1 3 72.2 352.5 243.1 72.5 13.5 2.8 0.6 72.2 352.3 243.1 72.5 13.5 2.8 0.6 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 1 72.0 325.1 223.0 60.9 13.1 3.5 0.1 72.0 325.1 223.0 61.0 13.1 3.5 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 2 71.3 332.7 231.3 61.5 12.7 3.3 0.3 71.3 332.7 231.3 61.6 12.7 3.3 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 3 70.4 336.7 250.0 67.9 12.9 3.1 0.6 70.4 336.5 250.0 67.9 13.0 3.1 0.6 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 1 72.5 324.4 217.6 57.3 13.4 3.4 0.1 72.5 324.4 217.6 57.4 13.4 3.4 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 2 70.7 323.3 208.4 55.4 12.6 3.3 0.3 70.7 323.2 208.4 55.4 12.6 3.3 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 3 70.6 332.1 209.8 60.4 12.8 3.3 0.7 70.6 331.9 209.8 60.5 12.8 3.3 0.7 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 1 73.5 325.7 202.0 53.5 13.0 3.5 0.2 73.5 325.7 202.0 53.5 13.0 3.5 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 2 71.8 326.6 204.1 58.6 12.9 3.2 0.2 71.8 326.7 204.1 58.6 12.9 3.2 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 3 70.7 329.2 207.9 59.5 12.9 3.3 0.4 70.7 329.0 207.9 59.6 12.9 3.3 0.4 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 1 74.3 313.0 194.9 56.1 14.9 3.7 0.3 74.3 313.0 194.9 56.1 14.9 3.7 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 2 73.1 312.4 201.2 56.1 13.6 3.3 0.3 73.1 312.3 201.2 56.1 13.6 3.3 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 3 71.1 318.8 203.4 58.1 13.1 3.3 0.3 71.1 318.7 203.3 58.1 13.1 3.3 0.3 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 6 1 74.6 296.4 183.9 56.6 14.8 2.4 0.3 74.6 296.3 183.8 56.6 14.8 2.4 0.3 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 6 2 74.2 322.0 183.2 58.2 13.3 2.3 0.3 74.2 321.9 183.1 58.2 13.3 2.3 0.3 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 6 3 72.6 329.9 187.4 60.6 12.5 2.2 0.2 72.6 329.8 187.3 60.6 12.5 2.2 0.2 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 2424 SOUTH24 1 1 74.6 295.0 183.9 57.4 14.8 2.4 0.3 74.6 294.9 183.8 57.4 14.8 2.4 0.3 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 1 2 74.2 321.9 183.3 58.4 13.1 2.3 0.2 74.2 321.8 183.2 58.4 13.1 2.3 0.2 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 2 1 74.1 298.7 171.9 58.1 13.9 2.4 0.2 74.1 298.6 171.8 58.1 13.9 2.4 0.2 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 2 2 74.5 303.5 172.8 60.2 12.2 2.2 0.2 74.5 303.4 172.7 60.1 12.2 2.2 0.2 0.0 -0.1 0.0% -0.1 -0.1% -0.1 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 3 1 73.2 297.6 182.4 65.6 12.4 2.9 0.1 73.2 297.4 182.3 65.5 12.4 2.9 0.1 0.0 -0.1 0.0% -0.1 -0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 3 2 74.3 306.3 193.3 70.1 13.0 2.4 0.1 74.3 306.2 193.2 70.0 13.0 2.4 0.1 0.0 -0.1 0.0% -0.1 -0.1% -0.1 -0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%24 SOUTH24 4 1 71.9 299.1 175.7 66.4 11.8 2.6 0.1 71.9 299.0 175.6 66.3 11.8 2.6 0.1 0.0 -0.1 0.0% -0.1 -0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 4 2 73.6 295.8 176.4 69.8 13.9 2.5 0.1 73.6 295.7 176.3 69.8 13.9 2.5 0.1 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 5 1 71.8 292.3 178.4 64.5 17.8 2.5 0.4 71.8 292.2 178.2 64.5 17.8 2.5 0.4 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 5 2 72.5 289.6 177.5 64.2 15.4 2.8 0.1 72.5 289.5 177.4 64.2 15.4 2.8 0.1 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 6 1 70.5 278.7 177.4 72.3 19.3 2.3 0.4 70.5 278.6 177.3 72.3 19.3 2.3 0.4 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 6 2 71.0 279.1 180.7 82.9 16.7 2.2 0.5 71.0 279.0 180.5 82.9 16.7 2.2 0.5 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 7 1 70.3 271.1 184.0 89.4 19.7 2.2 0.4 70.3 271.0 184.0 89.4 19.7 2.2 0.4 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 7 2 69.4 264.9 183.7 90.7 20.2 2.5 0.4 69.4 264.8 183.7 90.7 20.2 2.5 0.4 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 8 1 70.6 259.9 188.0 91.1 20.1 3.6 0.5 70.6 259.9 188.0 91.1 20.1 3.6 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 8 2 69.9 263.2 188.3 92.0 20.0 3.9 0.5 69.9 263.2 188.3 92.0 20.0 3.9 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 9 1 70.7 251.3 185.7 93.5 20.1 3.6 1.0 70.7 251.3 185.7 93.5 20.1 3.6 1.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 9 2 70.3 250.8 188.3 90.8 19.7 3.6 0.5 70.3 250.8 188.3 90.8 19.7 3.6 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 10 1 70.9 252.5 183.2 97.2 18.6 3.2 1.0 70.9 252.5 183.2 97.2 18.6 3.2 1.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 10 2 71.0 256.3 182.5 93.1 20.4 3.4 0.5 71.0 256.3 182.5 93.1 20.4 3.4 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 11 1 71.8 253.3 176.7 102.5 18.2 1.9 0.9 71.8 253.3 176.7 102.5 18.2 1.9 0.9 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 11 2 71.7 253.6 172.8 96.2 19.7 2.1 0.9 71.7 253.6 172.8 96.2 19.7 2.1 0.9 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 3232 EAST32 1 1 73.9 287.1 215.7 86.4 21.4 3.9 0.6 73.9 288.1 216.7 86.4 21.4 3.8 0.6 0.0 1.0 0.3% 1.0 0.5% 0.0 0.0% 0.0 -0.2% 0.0 -0.8% 0.0 0.0%32 EAST32 1 2 72.3 289.1 208.8 84.3 18.1 1.5 0.6 72.3 290.1 209.3 84.7 18.1 1.5 0.6 0.0 1.0 0.3% 0.5 0.2% 0.4 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 3 71.2 279.3 216.6 90.2 17.2 1.5 0.6 71.2 279.7 217.0 90.2 17.2 1.5 0.6 0.0 0.5 0.2% 0.4 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 4 71.2 287.5 212.4 85.7 18.2 2.4 0.6 71.2 288.0 212.5 85.7 18.2 2.4 0.6 0.0 0.5 0.2% 0.1 0.0% 0.0 0.0% 0.0 -0.1% 0.0 -0.4% 0.0 0.0%32 EAST32 1 5 71.6 288.6 206.9 91.3 18.9 1.7 0.6 71.6 288.6 206.9 91.3 18.8 1.7 0.6 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%32 EAST32 1 6 73.3 278.8 216.5 84.8 12.1 1.8 0.6 73.3 278.8 216.5 84.8 12.1 1.8 0.6 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 7 74.2 277.2 215.3 99.2 19.2 2.2 0.5 74.2 277.2 215.3 99.2 19.2 2.2 0.5 0.0 0.0 0.0% -0.1 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 8 74.2 277.3 216.4 98.2 20.2 2.3 0.5 74.2 277.3 216.3 98.2 20.3 2.3 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.1 0.3% 0.0 0.0% 0.0 0.0%32 EAST32 1 9 73.2 271.8 215.2 95.9 23.2 2.9 0.5 73.2 272.1 215.2 95.9 23.3 2.9 0.5 0.0 0.3 0.1% 0.0 0.0% -0.1 -0.1% 0.0 0.2% 0.1 1.9% 0.0 2.6%32 EAST32 2 1 74.5 288.9 194.1 83.7 21.1 3.7 0.6 74.5 289.9 195.1 83.7 21.1 3.7 0.6 0.0 1.0 0.3% 1.0 0.5% 0.0 0.0% 0.0 -0.2% 0.0 -0.9% 0.0 0.0%32 EAST32 2 2 73.6 290.8 196.6 84.8 18.0 2.1 0.6 73.6 291.8 197.0 85.2 18.0 2.1 0.6 0.0 1.0 0.3% 0.4 0.2% 0.4 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 3 71.8 281.0 207.9 85.6 17.0 1.5 0.7 71.8 281.5 208.3 85.6 17.0 1.5 0.7 0.0 0.5 0.2% 0.4 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 4 71.7 267.9 213.1 88.9 17.5 1.5 0.7 71.7 268.2 213.0 88.9 17.5 1.5 0.7 0.0 0.4 0.1% 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%32 EAST32 2 5 72.3 276.8 207.5 89.8 17.6 1.9 0.7 72.3 276.8 207.5 89.8 17.6 1.9 0.7 0.0 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%32 EAST32 2 6 72.3 284.6 203.1 85.8 16.4 1.9 0.6 72.3 284.5 203.1 85.7 16.4 1.9 0.6 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 7 74.2 280.3 213.3 99.7 13.6 1.9 0.6 74.2 280.2 213.3 99.7 13.6 1.9 0.6 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 8 74.6 282.9 210.3 98.0 20.2 2.2 0.5 74.6 282.9 210.2 98.0 20.2 2.2 0.5 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%32 EAST32 2 9 74.2 279.8 211.0 97.3 20.7 2.7 0.6 74.2 280.0 210.9 97.2 20.8 2.7 0.6 0.0 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.1 0.3% 0.1 2.0% 0.0 0.0%
Gateway Corridor 3333 EAST33 1 1 72.7 253.8 198.2 75.9 24.5 1.7 0.2 72.7 254.3 198.8 76.1 24.6 1.7 0.2 0.0 0.5 0.2% 0.5 0.3% 0.3 0.3% 0.1 0.3% 0.1 4.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
33 EAST33 1 2 74.8 246.3 188.9 74.8 12.1 1.8 0.4 74.8 246.8 189.3 74.9 12.1 1.7 0.3 0.0 0.5 0.2% 0.4 0.2% 0.2 0.2% 0.0 0.0% -0.1 -3.6% -0.1 -26.4%33 EAST33 1 3 75.6 236.9 170.4 72.0 12.9 1.9 0.6 75.6 237.8 170.5 71.8 12.9 1.9 0.6 0.0 0.9 0.4% 0.2 0.1% -0.1 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 4 75.5 218.1 160.6 56.9 12.4 1.5 0.7 75.5 219.0 161.3 56.8 12.5 1.5 0.7 0.0 0.9 0.4% 0.7 0.4% -0.1 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 5 75.4 210.2 146.9 56.7 10.5 1.6 0.8 75.4 210.8 147.6 57.0 10.5 1.6 0.8 0.0 0.7 0.3% 0.7 0.5% 0.2 0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 6 75.7 199.5 144.0 55.1 10.0 1.5 0.7 75.7 200.2 144.6 55.3 10.0 1.5 0.7 0.0 0.7 0.3% 0.7 0.5% 0.2 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 7 74.2 188.7 137.5 49.0 10.0 1.4 0.7 74.2 189.4 137.9 49.0 10.0 1.4 0.7 0.0 0.7 0.4% 0.5 0.4% 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 -0.1%33 EAST33 1 8 71.6 184.6 121.9 40.1 9.6 1.4 0.6 71.6 184.9 122.1 40.1 9.6 1.4 0.6 0.0 0.3 0.2% 0.3 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 2 1 70.9 260.2 199.6 77.5 25.8 1.7 0.2 70.9 260.7 200.1 77.8 26.1 1.7 0.2 0.0 0.5 0.2% 0.5 0.3% 0.3 0.3% 0.3 1.1% 0.0 0.0% 0.0 0.0%33 EAST33 2 2 73.1 246.2 191.4 76.2 10.7 2.1 0.2 73.1 246.7 191.8 76.2 10.7 2.2 0.3 0.0 0.4 0.2% 0.4 0.2% 0.0 0.0% 0.0 0.0% 0.1 4.7% 0.1 31.1%33 EAST33 2 3 74.9 238.8 176.0 74.6 13.2 2.0 0.6 74.9 239.7 176.1 74.8 13.2 1.9 0.6 0.0 0.9 0.4% 0.2 0.1% 0.2 0.2% 0.0 -0.2% -0.1 -2.7% 0.0 0.0%33 EAST33 2 4 75.5 230.5 167.8 70.7 12.4 1.9 0.6 75.5 231.1 168.5 70.6 12.4 1.9 0.6 0.0 0.7 0.3% 0.7 0.4% -0.2 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 2 5 75.2 222.4 157.3 55.8 12.7 1.6 0.6 75.2 223.3 158.0 55.8 12.7 1.6 0.6 0.0 0.9 0.4% 0.7 0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 2 6 75.8 215.5 142.2 56.0 10.2 1.6 0.7 75.8 216.2 142.9 56.0 10.2 1.6 0.7 0.0 0.7 0.3% 0.7 0.5% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 2 7 74.9 195.2 135.6 55.2 10.0 1.8 0.7 74.9 195.9 136.3 55.3 10.0 1.8 0.7 0.0 0.7 0.3% 0.7 0.5% 0.0 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 2 8 72.6 193.5 128.8 42.8 8.8 1.5 0.7 72.6 194.2 129.0 42.8 8.8 1.5 0.7 0.0 0.7 0.4% 0.3 0.2% 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0%
Goose Creek WSA12 ZION12 5 9 73.3 256.7 170.6 64.8 10.2 1.7 0.6 73.3 253.7 169.6 65.1 10.2 1.7 0.6 0.0 -2.9 -1.1% -1.1 -0.6% 0.3 0.4% 0.0 -3.9% 0.0 0.0% 0.0 0.0%
Grand Canyon-Parashant NM2 PAIUTEW2 2 2 75.2 428.3 295.7 131.2 21.0 3.9 1.1 75.2 426.8 294.4 131.6 21.6 3.9 1.1 0.0 -1.5 -0.3% -1.3 -0.4% 0.4 0.3% 0.5 2.5% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 2 3 75.4 428.9 288.5 122.3 22.3 5.0 1.2 75.4 427.2 287.3 122.0 23.0 5.0 1.2 0.0 -1.8 -0.4% -1.2 -0.4% -0.3 -0.2% 0.7 3.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 3 2 74.6 420.5 286.5 124.2 25.3 3.9 1.1 74.6 419.2 285.2 124.7 25.3 3.9 1.1 0.0 -1.3 -0.3% -1.3 -0.5% 0.5 0.4% 0.0 0.1% -0.1 -1.9% 0.0 0.0%2 PAIUTEW2 3 3 75.6 415.5 282.0 118.1 21.2 3.9 1.1 75.6 413.9 280.8 118.4 21.7 3.9 1.1 0.0 -1.6 -0.4% -1.2 -0.4% 0.3 0.2% 0.5 2.6% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 7 2 72.3 403.7 270.5 106.4 23.0 3.3 0.8 72.3 403.1 271.4 106.5 23.0 3.3 0.8 0.0 -0.6 -0.2% 0.9 0.3% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 8 2 72.2 428.7 270.5 104.6 24.0 3.4 0.8 71.7 427.9 271.2 104.6 24.0 3.4 0.8 -0.5 -0.8 -0.2% 0.7 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 1 72.0 325.1 223.0 60.9 13.1 3.5 0.1 72.0 325.1 223.0 61.0 13.1 3.5 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 2 71.3 332.7 231.3 61.5 12.7 3.3 0.3 71.3 332.7 231.3 61.6 12.7 3.3 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 1 72.5 324.4 217.6 57.3 13.4 3.4 0.1 72.5 324.4 217.6 57.4 13.4 3.4 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 2 70.7 323.3 208.4 55.4 12.6 3.3 0.3 70.7 323.2 208.4 55.4 12.6 3.3 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 3 70.6 332.1 209.8 60.4 12.8 3.3 0.7 70.6 331.9 209.8 60.5 12.8 3.3 0.7 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 1 73.5 325.7 202.0 53.5 13.0 3.5 0.2 73.5 325.7 202.0 53.5 13.0 3.5 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 2 71.8 326.6 204.1 58.6 12.9 3.2 0.2 71.8 326.7 204.1 58.6 12.9 3.2 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 3 70.7 329.2 207.9 59.5 12.9 3.3 0.4 70.7 329.0 207.9 59.6 12.9 3.3 0.4 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 1 74.3 313.0 194.9 56.1 14.9 3.7 0.3 74.3 313.0 194.9 56.1 14.9 3.7 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 2 73.1 312.4 201.2 56.1 13.6 3.3 0.3 73.1 312.3 201.2 56.1 13.6 3.3 0.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 3 71.1 318.8 203.4 58.1 13.1 3.3 0.3 71.1 318.7 203.3 58.1 13.1 3.3 0.3 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 6 3 72.6 329.9 187.4 60.6 12.5 2.2 0.2 72.6 329.8 187.3 60.6 12.5 2.2 0.2 0.0 -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Grand Canyon-Parashant NM (West)2 PAIUTEW2 9 2 72.0 442.2 267.2 100.3 22.5 3.0 0.7 72.0 442.9 267.9 100.3 22.5 3.0 0.7 0.0 0.7 0.2% 0.8 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 10 2 72.7 464.7 274.6 99.5 21.3 2.9 0.3 72.7 464.9 275.0 99.5 21.3 2.9 0.3 0.0 0.2 0.1% 0.4 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 1 1 72.7 564.7 439.7 160.0 28.7 6.2 1.0 72.7 564.8 439.7 160.0 28.7 6.2 1.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 1 2 73.1 535.7 421.0 158.0 23.5 6.2 1.3 73.1 535.7 421.0 158.0 23.5 6.2 1.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 1 3 73.0 541.5 391.8 158.4 30.5 6.1 1.1 73.0 541.4 391.8 158.4 30.5 6.1 1.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 1 4 71.4 540.4 380.2 159.7 28.3 7.1 1.3 71.4 540.1 380.2 159.7 28.3 7.1 1.3 0.0 -0.3 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 2 1 72.0 559.4 425.3 159.3 28.7 6.4 3.3 72.0 559.3 425.3 159.3 28.7 6.4 3.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 2 2 73.0 527.8 432.2 159.3 28.7 6.0 0.9 73.0 527.8 432.1 159.3 28.7 6.0 0.9 0.0 0.0 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 2 3 73.2 527.7 404.0 149.6 28.5 6.3 1.2 73.2 527.3 404.0 149.6 28.5 6.3 1.2 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 2 4 72.3 544.4 388.7 162.9 29.1 6.1 0.9 72.3 544.0 388.8 162.8 29.1 6.1 0.9 0.0 -0.5 -0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 3 1 72.1 548.3 402.9 172.8 28.9 6.6 3.3 72.1 548.2 402.9 172.8 28.9 6.6 3.3 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 3 2 72.6 522.7 415.1 156.9 27.8 5.8 1.0 72.6 522.7 415.1 156.8 27.8 5.8 1.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 3 3 73.4 522.3 408.6 145.1 27.3 6.0 0.8 73.4 522.0 408.6 145.1 27.3 6.0 0.8 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 3 4 73.0 520.9 393.6 149.6 27.8 5.8 0.9 73.0 520.5 393.6 149.6 27.8 5.8 0.9 0.0 -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 4 1 71.4 540.5 397.6 168.5 29.4 6.6 3.3 71.4 540.4 397.5 168.5 29.4 6.6 3.3 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 4 2 72.0 524.5 408.3 156.2 27.9 6.3 3.3 72.0 524.4 408.3 156.1 27.9 6.3 3.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 4 3 72.8 516.5 412.4 148.3 28.3 5.8 0.9 72.8 516.1 412.4 148.3 28.3 5.8 0.9 0.0 -0.4 -0.1% 0.0 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 4 4 73.3 516.2 387.1 151.7 28.3 6.3 0.9 73.3 515.9 387.2 151.6 28.3 6.3 0.9 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 5 1 70.4 532.7 394.0 168.2 31.5 6.2 3.2 70.4 532.6 394.0 168.2 31.5 6.2 3.2 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 5 2 71.0 534.0 403.7 170.0 28.1 6.5 3.3 71.0 533.9 403.7 170.0 28.1 6.5 3.3 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 5 3 71.9 517.2 395.8 145.6 26.9 6.1 1.0 71.9 516.8 395.8 145.6 27.0 6.1 1.0 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 5 4 73.0 514.0 384.7 146.4 28.8 5.8 0.9 73.0 513.8 384.7 146.4 28.8 5.8 0.9 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 6 1 70.9 525.2 392.3 173.2 32.5 6.2 3.1 70.9 525.1 392.3 173.2 32.5 6.2 3.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 6 2 69.9 536.8 388.3 167.4 28.2 6.1 3.2 69.9 536.8 388.3 167.4 28.2 6.1 3.2 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 6 3 70.7 524.4 393.1 152.5 25.9 6.2 1.0 70.7 523.9 393.0 152.5 25.9 6.2 1.0 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 6 4 72.2 509.1 389.6 145.6 27.3 5.6 0.9 72.2 508.9 389.6 145.6 27.3 5.6 0.9 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 7 1 71.6 516.7 395.7 191.6 32.0 5.9 3.1 71.6 516.7 395.7 191.6 32.0 5.9 3.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 7 2 70.7 528.2 376.7 170.5 27.1 6.0 3.0 70.7 528.1 376.7 170.5 27.1 6.0 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 7 3 69.8 518.1 389.1 162.5 26.8 6.1 3.1 69.8 518.1 389.1 162.5 26.8 6.1 3.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 7 4 71.2 512.3 382.2 141.8 25.6 5.8 1.0 71.2 512.1 382.2 141.9 25.6 5.8 1.0 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 8 1 72.5 511.6 398.4 191.0 31.3 7.9 3.1 72.5 511.5 398.4 191.0 31.3 7.9 3.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 8 2 71.2 510.1 385.2 171.8 27.1 5.8 3.0 71.2 510.0 385.2 171.8 27.1 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 8 3 70.4 526.1 373.3 165.9 26.9 5.9 3.0 70.4 526.0 373.3 165.9 26.9 5.9 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 8 4 69.8 516.9 378.8 143.6 24.4 5.8 0.8 69.8 516.5 378.8 143.6 24.4 5.8 0.8 0.0 -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 9 3 71.1 506.1 377.1 169.1 25.8 5.8 3.0 71.1 506.0 377.1 169.1 25.8 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 9 4 70.0 496.6 370.9 161.7 24.3 5.8 3.0 70.0 496.5 370.9 161.7 24.3 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 12 1 73.0 483.8 390.2 192.1 31.6 6.4 3.1 73.0 483.8 390.2 192.1 31.6 6.4 3.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 12 2 74.3 479.0 373.8 193.7 31.6 7.6 3.1 74.3 479.0 373.8 193.7 31.6 7.6 3.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 12 3 74.6 491.0 383.4 189.6 26.6 6.8 3.0 74.6 490.8 383.4 189.6 26.5 6.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 12 4 73.0 497.4 374.6 168.4 24.5 5.7 3.1 73.0 497.2 374.6 168.4 24.5 5.7 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 13 1 72.8 490.8 391.6 191.0 28.6 6.3 3.0 72.8 490.8 391.6 191.0 28.6 6.3 3.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 13 2 73.3 487.6 379.7 203.1 29.4 7.5 3.1 73.3 487.4 379.7 203.1 29.4 7.5 3.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 13 3 74.3 482.0 378.6 191.9 27.9 7.4 3.1 74.3 481.8 378.6 191.9 27.9 7.4 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 13 4 74.2 486.7 368.4 176.3 25.9 6.7 3.1 74.2 486.5 368.4 176.3 25.9 6.7 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 14 1 71.6 480.2 392.6 176.0 28.6 6.2 3.0 71.6 480.1 392.6 176.0 28.6 6.2 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 14 2 72.0 488.6 375.5 191.3 28.8 7.3 3.1 72.0 488.5 375.5 191.3 28.8 7.3 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 14 3 73.4 477.2 375.4 190.5 29.4 7.2 3.1 73.4 477.0 375.4 190.4 29.4 7.2 3.1 0.0 -0.2 0.0% 0.0 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 14 4 74.3 477.0 375.1 182.7 26.9 6.5 3.0 74.3 476.8 375.1 182.7 26.9 6.5 3.0 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 15 1 69.9 486.7 389.1 180.7 25.5 6.0 0.8 69.9 486.5 389.1 180.7 25.5 6.0 0.8 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 15 2 70.4 483.4 389.3 194.7 28.3 6.2 2.6 70.4 483.2 389.3 194.7 28.3 6.2 2.6 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 15 3 72.5 476.5 376.0 197.7 25.7 7.2 3.1 72.5 476.3 376.0 197.7 25.7 7.2 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
21 PARASH21 15 4 74.1 479.0 364.8 188.5 27.4 6.5 3.1 74.1 478.8 364.7 188.5 27.4 6.5 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 16 1 71.4 485.0 388.3 172.8 24.7 6.0 0.8 71.4 484.8 388.3 172.8 24.7 6.0 0.8 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 16 2 69.1 463.5 386.1 170.0 25.6 6.0 2.9 69.1 463.3 386.1 170.0 25.6 6.0 2.9 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 17 1 72.8 483.1 352.7 172.3 23.0 6.2 0.9 72.8 482.9 352.7 172.3 23.0 6.2 0.9 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 1 1 71.4 539.4 384.1 159.7 28.3 7.1 1.1 71.4 539.2 384.1 159.7 28.3 7.1 1.1 0.0 -0.3 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 1 2 71.8 521.6 367.9 136.3 26.9 7.1 1.4 71.8 521.0 367.8 136.4 26.9 7.1 1.4 0.0 -0.6 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 1 3 73.4 523.1 357.9 134.3 25.9 7.8 1.2 73.4 521.7 357.8 134.3 25.9 7.8 1.2 0.0 -1.4 -0.3% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 1 4 74.0 508.7 361.5 135.0 24.9 5.5 1.2 74.0 506.9 361.0 135.0 24.9 5.6 1.2 0.0 -1.8 -0.4% -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.5% 0.0 0.0%1 PARSHAN1 1 5 74.0 493.2 359.4 142.0 27.4 5.4 1.3 74.0 492.0 359.1 142.0 27.4 5.4 1.3 0.0 -1.3 -0.3% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 1 6 75.5 462.3 352.4 145.8 25.2 5.7 1.3 75.5 461.0 351.9 145.9 25.7 5.7 1.3 0.0 -1.3 -0.3% -0.5 -0.2% 0.0 0.0% 0.4 1.8% 0.0 -0.1% 0.0 0.0%1 PARSHAN1 2 1 72.3 543.1 388.8 162.9 29.2 6.1 0.9 72.3 542.6 388.9 162.8 29.2 6.1 0.9 0.0 -0.5 -0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 2 2 70.9 505.1 371.5 133.3 25.7 6.2 1.1 70.9 504.6 371.4 133.3 25.7 6.2 1.1 0.0 -0.5 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 2 3 72.6 513.4 347.8 122.0 25.6 7.1 1.1 72.6 511.3 347.7 122.1 25.6 7.1 1.1 0.0 -2.1 -0.4% -0.1 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 2 4 73.6 515.9 355.8 131.6 25.1 7.6 1.2 73.6 514.0 355.3 131.6 25.2 7.6 1.2 0.0 -1.8 -0.4% -0.5 -0.1% 0.0 0.0% 0.1 0.3% 0.0 0.0% 0.0 0.0%1 PARSHAN1 2 5 73.2 489.2 361.1 134.8 25.6 5.2 1.1 73.2 488.0 360.6 134.8 25.6 5.3 1.1 0.0 -1.2 -0.2% -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.1 1.0% 0.0 0.0%1 PARSHAN1 2 6 74.1 471.7 338.2 142.6 26.4 5.3 1.2 74.1 470.5 337.2 142.6 26.4 5.3 1.2 0.0 -1.2 -0.3% -1.0 -0.3% 0.0 0.0% 0.0 0.0% 0.0 -0.9% 0.0 0.0%1 PARSHAN1 2 9 73.3 474.6 347.6 145.1 27.3 5.2 1.0 73.3 473.2 346.1 144.7 26.9 5.2 1.0 0.0 -1.4 -0.3% -1.5 -0.4% -0.4 -0.3% -0.4 -1.6% 0.0 0.0% 0.0 0.0%1 PARSHAN1 3 1 73.0 521.1 393.5 149.5 27.8 5.8 0.9 73.0 520.7 393.5 149.4 27.8 5.8 0.9 0.0 -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 3 2 71.9 523.5 380.2 150.6 27.4 5.7 1.0 71.9 523.0 380.2 150.6 27.4 5.7 1.0 0.0 -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 3 3 72.3 510.9 345.7 126.1 25.3 6.0 1.1 72.3 508.8 345.7 126.1 25.3 6.0 1.1 0.0 -2.1 -0.4% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 3 4 73.5 508.8 337.7 118.0 25.6 6.1 1.2 73.5 507.5 337.2 118.1 25.6 6.1 1.2 0.0 -1.3 -0.3% -0.5 -0.1% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 3 5 73.5 488.0 338.9 126.6 24.1 4.9 1.0 73.5 486.8 338.4 126.6 24.1 4.9 1.0 0.0 -1.2 -0.2% -0.5 -0.1% 0.0 0.0% 0.1 0.2% 0.0 0.0% 0.0 0.0%1 PARSHAN1 3 6 73.1 484.7 341.0 138.5 25.6 5.2 1.0 73.1 483.5 340.0 139.1 25.6 5.3 1.0 0.0 -1.2 -0.2% -1.1 -0.3% 0.6 0.4% 0.0 0.0% 0.0 0.9% 0.0 0.0%1 PARSHAN1 3 7 74.6 457.8 332.7 138.8 24.5 5.8 1.2 74.6 456.6 330.7 138.7 24.5 5.7 1.2 0.0 -1.2 -0.3% -2.0 -0.6% -0.1 -0.1% 0.0 0.0% -0.1 -1.2% 0.0 0.0%1 PARSHAN1 3 8 75.0 455.6 325.5 136.9 23.0 6.0 1.1 75.0 454.3 324.2 136.5 23.5 6.0 1.1 0.0 -1.4 -0.3% -1.3 -0.4% -0.4 -0.3% 0.6 2.6% 0.0 0.0% 0.0 0.0%1 PARSHAN1 4 1 73.3 516.3 387.1 151.2 28.6 6.3 0.9 73.3 515.9 387.1 151.2 28.6 6.3 0.9 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 4 2 72.8 507.7 376.1 155.4 27.7 5.7 0.9 72.8 507.3 376.1 155.4 27.7 5.7 0.9 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 4 3 72.1 491.6 361.7 124.6 26.4 5.7 1.0 72.1 489.6 361.7 124.6 26.4 5.7 1.0 0.0 -2.1 -0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 4 4 73.4 502.4 334.4 116.4 25.3 5.8 1.0 73.4 501.1 333.9 116.5 25.3 5.8 1.0 0.0 -1.3 -0.3% -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 4 5 73.3 501.2 328.0 122.1 24.9 3.8 1.0 73.3 499.9 328.0 122.1 24.9 3.8 1.0 0.0 -1.3 -0.3% 0.1 0.0% 0.1 0.0% 0.0 -0.2% 0.0 0.0% 0.0 0.0%1 PARSHAN1 4 6 72.0 466.4 334.2 128.1 24.7 3.7 0.9 72.0 465.2 333.8 128.1 24.7 3.7 0.9 0.0 -1.1 -0.2% -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.5% 0.0 0.0%1 PARSHAN1 4 7 73.4 460.2 326.7 136.3 25.2 4.6 1.2 73.4 459.1 324.8 136.8 25.2 4.6 1.2 0.0 -1.2 -0.3% -1.9 -0.6% 0.5 0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 4 8 74.5 451.0 328.7 135.9 22.4 5.2 1.1 74.5 449.8 327.5 135.9 22.4 5.2 1.1 0.0 -1.1 -0.3% -1.3 -0.4% -0.1 -0.1% 0.1 0.4% 0.0 -0.2% 0.0 0.0%1 PARSHAN1 4 9 74.9 453.9 318.0 133.0 21.9 5.5 1.1 74.9 452.5 316.8 132.8 22.5 5.5 1.1 0.0 -1.4 -0.3% -1.2 -0.4% -0.2 -0.2% 0.6 2.8% 0.0 0.0% 0.0 0.0%1 PARSHAN1 5 1 73.0 513.5 385.0 146.4 28.8 5.8 0.9 73.0 513.3 385.0 146.4 28.8 5.8 0.9 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 5 2 73.3 498.6 367.0 157.9 22.3 5.8 0.9 73.3 498.2 367.0 157.9 22.3 5.8 0.9 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 5 3 72.6 500.2 359.4 152.3 25.8 5.9 0.9 72.6 498.3 359.3 152.3 25.8 5.9 0.9 0.0 -1.9 -0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 5 4 73.1 490.8 345.3 112.7 26.1 5.7 1.0 73.1 489.4 344.9 112.7 26.1 5.7 1.0 0.0 -1.3 -0.3% -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 5 5 73.4 493.9 327.1 111.2 25.1 5.7 1.0 73.4 492.6 326.8 111.3 25.1 5.7 1.0 0.0 -1.3 -0.3% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 5 6 72.0 476.2 322.5 120.8 23.4 3.5 1.0 72.0 475.0 322.7 120.8 23.5 3.5 1.0 0.0 -1.3 -0.3% 0.2 0.1% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%1 PARSHAN1 5 7 72.5 462.7 325.8 130.5 24.7 3.3 0.9 72.5 461.5 323.9 130.4 24.7 3.4 0.9 0.0 -1.1 -0.2% -2.0 -0.6% 0.0 0.0% 0.0 -0.2% 0.0 0.8% 0.0 0.0%1 PARSHAN1 5 8 73.5 441.5 321.3 130.8 24.1 4.0 1.1 73.5 440.4 320.1 131.4 24.1 3.9 1.1 0.0 -1.1 -0.3% -1.2 -0.4% 0.5 0.4% 0.0 0.0% 0.0 -1.2% 0.0 0.0%1 PARSHAN1 5 9 75.0 434.6 299.4 130.8 21.8 5.1 1.1 75.0 433.4 298.2 130.9 22.2 5.1 1.1 0.0 -1.2 -0.3% -1.2 -0.4% 0.1 0.1% 0.4 1.8% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 1 72.2 509.1 389.5 145.6 27.3 5.6 0.9 72.2 508.9 389.5 145.6 27.3 5.6 0.9 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 2 73.3 502.8 359.5 154.0 27.4 5.9 0.9 73.3 502.4 359.4 154.0 27.4 5.9 0.9 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 3 73.3 491.9 363.4 152.9 24.8 5.8 0.9 73.3 489.8 363.4 152.9 24.8 5.8 0.9 0.0 -2.1 -0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 4 73.2 478.7 350.4 118.6 25.2 5.8 0.9 73.2 477.3 350.1 118.6 25.3 5.8 0.9 0.0 -1.4 -0.3% -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 5 73.6 470.3 325.7 108.3 25.2 5.6 1.0 73.6 469.7 325.5 108.3 25.2 5.6 1.0 0.0 -0.7 -0.1% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 6 72.3 483.4 320.4 102.2 25.2 3.5 0.9 72.3 482.1 320.6 102.3 25.2 3.5 0.9 0.0 -1.3 -0.3% 0.1 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 7 71.2 443.7 309.6 122.3 24.7 3.5 0.8 71.2 442.3 308.7 122.3 24.7 3.5 0.8 0.0 -1.5 -0.3% -0.9 -0.3% -0.1 0.0% 0.1 0.3% 0.0 0.0% 0.0 0.0%1 PARSHAN1 6 8 72.9 445.7 312.7 129.2 24.6 3.2 1.2 72.9 444.5 311.4 129.2 24.6 3.3 1.2 0.0 -1.2 -0.3% -1.3 -0.4% 0.0 0.0% 0.0 0.0% 0.1 3.0% 0.0 0.0%1 PARSHAN1 6 9 74.1 428.5 319.4 125.4 23.3 3.8 1.1 74.1 427.4 318.1 126.0 23.3 3.7 1.1 0.0 -1.2 -0.3% -1.3 -0.4% 0.5 0.4% 0.0 0.0% -0.1 -2.5% 0.0 0.0%1 PARSHAN1 7 1 71.1 508.5 382.5 141.3 25.6 5.8 1.0 71.1 508.3 382.5 141.3 25.6 5.8 1.0 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 2 72.7 504.8 363.2 148.8 26.8 5.5 1.0 72.7 504.4 363.1 148.8 26.8 5.5 1.0 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 3 73.5 496.0 352.8 152.7 27.3 5.3 0.9 73.5 495.7 352.7 152.7 27.3 5.3 0.9 0.0 -0.3 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 4 73.2 486.3 347.4 152.3 24.0 5.8 0.8 73.2 484.4 347.4 152.3 24.0 5.8 0.8 0.0 -1.9 -0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 5 73.7 461.7 327.7 113.6 25.8 5.6 1.0 73.7 461.0 327.6 113.6 25.8 5.6 1.0 0.0 -0.7 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 6 72.7 472.5 311.2 107.8 25.4 3.5 1.0 72.7 471.7 310.8 107.8 25.4 3.5 1.0 0.0 -0.8 -0.2% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 7 71.6 457.3 306.1 108.3 23.7 3.5 1.0 71.6 455.9 306.4 108.4 23.7 3.5 1.0 0.0 -1.4 -0.3% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 8 71.7 444.8 303.0 121.3 24.4 3.2 0.8 71.7 443.7 302.3 121.2 24.4 3.2 0.8 0.0 -1.2 -0.3% -0.7 -0.2% 0.0 0.0% 0.1 0.4% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 9 73.4 427.3 300.9 124.2 23.6 3.0 1.1 73.4 426.1 299.6 124.7 23.6 3.0 1.1 0.0 -1.2 -0.3% -1.3 -0.4% 0.5 0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 1 69.8 516.8 378.2 143.1 24.4 5.8 0.8 69.8 516.4 378.2 143.1 24.4 5.8 0.8 0.0 -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 2 71.7 500.4 376.1 144.4 24.2 5.3 0.8 71.7 500.2 376.1 144.4 24.2 5.3 0.8 0.0 -0.2 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 3 73.1 489.8 345.4 145.4 27.3 5.1 0.9 73.1 489.4 345.3 145.4 27.3 5.1 0.9 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 4 73.6 478.2 352.9 151.0 24.5 5.7 0.9 73.6 476.8 352.9 151.0 24.5 5.7 0.9 0.0 -1.4 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 5 73.8 458.7 342.2 125.6 24.1 5.7 0.8 73.8 457.5 342.2 125.6 24.1 5.7 0.8 0.0 -1.3 -0.3% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 6 73.1 458.7 309.0 111.5 25.1 5.4 1.0 73.1 457.9 309.0 111.5 25.1 5.4 1.0 0.0 -0.8 -0.2% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 7 72.7 467.5 298.8 104.2 24.1 3.3 1.0 72.7 466.6 298.6 104.2 24.1 3.3 1.0 0.0 -0.8 -0.2% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 9 72.5 424.2 286.7 119.6 24.0 3.1 1.1 72.5 423.0 286.1 119.6 24.0 3.2 1.1 0.0 -1.2 -0.3% -0.6 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.6% 0.0 0.0%1 PARSHAN1 9 1 70.0 496.5 370.9 161.7 24.3 5.8 3.0 70.0 496.5 370.8 161.7 24.3 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 2 70.5 500.4 372.8 140.8 23.6 5.4 0.8 70.5 500.1 372.8 140.8 23.6 5.4 0.8 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 3 72.3 488.2 347.6 146.0 25.5 5.1 0.9 72.3 487.9 347.5 146.0 25.5 5.1 0.9 0.0 -0.3 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 4 73.5 476.3 341.9 145.0 27.9 5.0 0.9 73.5 475.9 341.8 145.0 27.9 5.0 0.9 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 5 73.8 473.9 339.9 145.4 20.5 5.6 0.9 73.8 472.8 339.9 145.4 20.5 5.6 0.9 0.0 -1.1 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 6 73.2 456.2 316.1 109.2 23.7 5.6 0.8 73.2 454.8 315.9 109.2 23.7 5.6 0.8 0.0 -1.4 -0.3% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 7 72.7 455.1 298.5 107.8 24.8 3.3 1.0 72.7 454.2 298.4 107.8 24.8 3.3 1.0 0.0 -1.0 -0.2% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 8 72.8 445.9 289.9 104.4 23.7 3.3 1.0 72.8 444.9 290.2 104.4 23.7 3.3 1.0 0.0 -1.0 -0.2% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 3 71.1 485.4 363.1 148.9 23.5 5.5 0.8 71.1 484.9 363.0 148.8 23.5 5.5 0.8 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 4 72.8 480.7 331.2 148.0 25.4 4.7 0.8 72.8 480.2 331.2 148.0 25.4 4.7 0.8 0.0 -0.5 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 5 73.7 471.7 341.4 143.6 25.4 5.3 0.7 73.7 470.2 341.3 143.6 25.4 5.3 0.7 0.0 -1.5 -0.3% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 6 73.5 455.6 334.3 122.1 24.6 5.4 0.9 73.5 454.4 334.3 122.2 24.6 5.4 0.9 0.0 -1.2 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 7 72.2 462.1 307.4 107.6 23.9 5.5 0.8 72.2 461.0 307.4 107.6 23.9 5.5 0.8 0.0 -1.1 -0.2% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 8 72.2 453.8 288.9 106.1 23.7 3.4 1.0 72.2 452.7 288.7 106.1 23.7 3.4 1.0 0.0 -1.1 -0.2% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 9 72.6 424.7 278.2 102.2 22.8 3.3 0.8 72.6 423.3 278.4 102.3 22.8 3.3 0.8 0.0 -1.4 -0.3% 0.2 0.1% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 3 71.7 473.1 370.2 146.2 22.6 5.5 0.9 71.7 472.7 370.2 146.2 22.6 5.5 0.9 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 4 72.3 462.5 333.7 146.1 23.5 4.7 0.9 72.3 462.1 333.7 146.1 23.5 4.7 0.9 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 5 73.6 460.8 324.8 141.1 26.0 4.9 0.8 73.6 460.4 324.8 141.1 26.0 4.9 0.8 0.0 -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 6 74.0 463.9 330.5 142.6 24.5 5.1 0.7 74.0 463.1 330.4 142.6 24.5 5.1 0.7 0.0 -0.9 -0.2% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 7 73.2 455.3 304.5 114.5 22.2 5.3 0.5 73.2 454.5 304.5 114.5 22.2 5.3 0.5 0.0 -0.8 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
1 PARSHAN1 11 8 71.8 457.9 284.9 106.0 24.2 3.2 0.9 71.8 456.8 284.8 106.0 24.2 3.2 0.9 0.0 -1.1 -0.2% -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 9 71.9 432.8 276.8 105.9 22.9 3.3 1.0 71.9 432.4 277.2 105.9 22.9 3.3 1.0 0.0 -0.4 -0.1% 0.4 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 1 73.0 497.3 374.7 168.4 24.5 5.7 3.1 73.0 497.1 374.7 168.4 24.5 5.7 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 2 71.6 483.8 364.0 150.6 24.3 5.9 3.0 71.6 483.5 364.0 150.6 24.2 5.9 3.0 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 3 71.9 459.7 361.7 155.1 22.2 5.7 0.9 71.9 459.5 361.7 155.1 22.2 5.7 0.9 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 -0.2% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 4 71.9 457.2 358.2 150.6 23.5 5.5 1.0 71.9 456.5 358.2 150.6 23.5 5.5 1.0 0.0 -0.6 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 5 73.4 462.6 323.6 139.5 24.7 4.6 0.8 73.4 462.2 323.6 139.5 24.7 4.6 0.8 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 6 74.1 451.5 311.9 134.1 25.9 5.1 0.8 74.1 451.2 311.9 134.1 25.9 5.1 0.8 0.0 -0.3 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 7 73.7 442.2 328.1 111.8 23.9 5.0 0.8 73.7 442.3 328.0 111.8 23.9 5.0 0.8 0.0 0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 8 73.1 454.9 287.4 107.7 22.0 3.0 0.3 73.1 454.6 287.4 107.7 22.0 3.0 0.3 0.0 -0.3 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 12 9 71.6 450.1 269.4 102.2 22.9 3.2 0.9 71.6 449.9 270.0 102.2 22.9 3.2 0.9 0.0 -0.2 -0.1% 0.6 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 1 74.2 486.4 368.0 176.3 25.9 6.7 3.1 74.2 486.2 368.0 176.3 25.9 6.7 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 2 73.0 488.9 362.8 155.7 25.0 5.8 3.0 73.0 488.6 362.8 155.7 25.0 5.8 3.0 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 3 71.9 471.0 357.7 147.6 22.0 5.6 0.8 71.9 470.7 357.7 147.6 21.9 5.6 0.8 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% -0.1 -0.3% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 4 71.3 453.2 353.8 139.8 21.6 5.5 0.9 71.3 453.0 353.8 139.8 21.6 5.5 0.9 0.0 -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 5 73.2 464.4 332.6 139.8 21.8 4.6 0.8 73.2 464.0 332.4 139.8 21.8 4.6 0.8 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 6 74.0 454.1 324.5 133.6 22.8 4.9 0.8 74.0 453.7 324.2 133.6 22.7 4.9 0.8 0.0 -0.4 -0.1% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 7 73.9 454.9 321.3 132.4 24.4 5.2 0.7 73.9 455.6 321.1 132.4 24.3 5.2 0.7 0.0 0.7 0.2% -0.3 -0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 8 74.0 436.8 292.9 112.5 18.7 5.0 0.7 74.0 436.9 292.6 112.5 18.7 5.0 0.7 0.0 0.1 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 13 9 72.9 441.3 279.1 100.0 21.9 2.9 0.3 72.9 441.9 279.1 100.0 21.9 3.0 0.3 0.0 0.6 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.1 2.0% 0.0 0.0%1 PARSHAN1 14 1 74.3 476.4 374.5 182.7 26.9 6.5 3.0 74.3 476.2 374.5 182.7 26.9 6.5 3.0 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 2 73.8 489.0 351.8 155.3 19.9 5.3 3.1 73.8 488.8 351.8 155.3 19.9 5.3 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 3 72.6 467.3 350.4 150.5 23.5 6.0 3.0 72.6 467.1 350.3 150.5 23.5 6.0 3.0 0.0 -0.2 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 4 71.5 453.3 354.9 153.0 20.0 5.7 0.8 71.5 453.0 354.7 153.0 20.0 5.7 0.8 0.0 -0.2 -0.1% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 5 73.0 457.8 350.6 144.6 21.6 5.5 1.0 73.0 457.6 350.4 144.6 21.6 5.5 1.0 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 6 74.2 452.9 321.9 138.0 22.0 4.6 0.7 74.2 452.7 321.7 138.0 22.0 4.6 0.7 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 7 73.6 446.5 313.3 130.1 23.4 5.1 0.7 73.6 446.5 313.1 130.1 23.4 5.1 0.7 0.0 0.0 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 8 74.1 426.6 322.3 105.0 24.2 4.8 0.7 74.1 427.4 322.1 105.0 24.2 4.8 0.7 0.0 0.8 0.2% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 14 9 73.8 435.3 284.6 107.7 22.1 2.6 0.7 73.8 435.6 284.9 107.7 22.1 2.6 0.7 0.0 0.3 0.1% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 1 74.1 479.0 364.8 188.5 27.4 6.5 3.1 74.1 478.8 364.8 188.5 27.4 6.5 3.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 2 74.5 478.8 360.3 159.2 26.3 6.4 3.1 74.5 478.6 360.1 159.2 26.3 6.4 3.1 0.0 -0.2 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 3 73.7 478.8 349.3 155.1 24.0 5.2 3.0 73.7 478.6 349.1 155.1 24.0 5.2 3.0 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 4 72.3 458.9 343.1 152.4 22.1 5.6 0.8 72.3 458.7 342.8 152.4 22.1 5.6 0.8 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 5 72.6 452.1 351.3 139.5 19.9 5.6 0.8 72.6 451.9 351.1 139.5 19.9 5.6 0.8 0.0 -0.2 -0.1% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 6 74.0 451.5 322.4 139.4 20.4 5.0 0.7 74.0 451.7 322.3 139.4 20.4 5.0 0.7 0.0 0.2 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 7 74.0 444.7 312.8 131.5 21.1 4.7 0.7 74.0 444.5 312.6 131.5 21.1 4.7 0.7 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 15 8 73.7 422.6 315.4 127.1 23.2 5.0 0.8 73.7 423.7 315.7 127.1 23.2 5.0 0.8 0.0 1.1 0.3% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 16 3 74.3 474.0 351.0 155.1 23.1 5.1 3.0 74.3 473.8 350.8 155.1 23.1 5.1 3.0 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 16 4 73.1 459.6 350.8 159.7 21.5 5.2 3.0 73.1 459.5 350.6 159.7 21.5 5.2 3.0 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 16 5 72.0 451.7 348.4 149.8 20.3 5.5 0.8 72.0 451.5 348.2 149.8 20.3 5.5 0.8 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 16 6 73.8 448.1 349.8 137.9 20.2 5.1 1.0 73.8 447.8 349.6 137.9 20.2 5.1 1.0 0.0 -0.3 -0.1% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 16 7 74.1 444.8 319.5 133.0 20.3 4.6 0.7 74.1 443.9 319.4 133.0 20.3 4.6 0.7 0.0 -0.9 -0.2% -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 17 4 74.0 453.2 345.4 152.7 17.8 5.1 3.0 74.0 453.0 345.2 152.7 17.8 5.1 3.0 0.0 -0.2 0.0% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 17 5 72.6 449.4 349.9 151.5 22.0 5.4 0.7 72.6 449.2 349.8 151.5 22.0 5.4 0.7 0.0 -0.2 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Grand Wash Cliffs Wilderness21 PARASH21 8 1 72.5 511.6 398.4 191.0 31.3 7.9 3.1 72.5 511.5 398.4 191.0 31.3 7.9 3.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 8 2 71.2 510.1 385.2 171.8 27.1 5.8 3.0 71.2 510.0 385.2 171.8 27.1 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 8 3 70.4 526.1 373.3 165.9 26.9 5.9 3.0 70.4 526.0 373.3 165.9 26.9 5.9 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 9 1 73.3 517.1 398.8 193.3 31.0 7.8 3.1 73.3 517.1 398.8 193.3 31.0 7.8 3.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 9 2 72.4 495.9 397.5 180.3 30.6 7.1 3.0 72.4 495.8 397.5 180.3 30.6 7.1 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 9 3 71.1 506.1 377.1 169.1 25.8 5.8 3.0 71.1 506.0 377.1 169.1 25.8 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 9 4 70.0 496.6 370.9 161.7 24.3 5.8 3.0 70.0 496.5 370.9 161.7 24.3 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 10 1 73.9 507.1 395.8 195.4 32.6 7.3 3.1 73.9 507.1 395.8 195.4 32.6 7.3 3.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 10 2 73.6 499.9 394.9 198.5 27.0 7.1 3.0 73.6 499.9 394.9 198.5 27.0 7.1 3.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 10 3 72.5 495.0 368.9 169.3 27.8 7.1 3.1 72.5 494.9 368.9 169.3 27.8 7.1 3.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 10 4 71.4 499.8 366.5 164.0 24.9 5.9 3.0 71.4 499.7 366.5 164.0 24.9 5.9 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 11 1 73.5 495.6 379.4 196.5 30.2 7.4 3.1 73.5 495.6 379.4 196.5 30.2 7.4 3.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 11 2 74.1 487.9 392.3 200.5 32.2 7.4 3.0 74.1 487.9 392.3 200.5 32.2 7.4 3.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 11 3 73.6 499.2 377.5 173.5 27.9 7.1 3.1 73.6 499.1 377.5 173.5 27.9 7.1 3.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%21 PARASH21 11 4 71.9 498.5 363.1 165.2 26.2 5.8 3.0 71.9 498.2 363.1 165.2 26.2 5.8 3.0 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 1 70.0 496.5 370.9 161.7 24.3 5.8 3.0 70.0 496.5 370.8 161.7 24.3 5.8 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 2 70.5 500.4 372.8 140.8 23.6 5.4 0.8 70.5 500.1 372.8 140.8 23.6 5.4 0.8 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 1 71.4 499.9 366.8 163.0 24.9 5.9 3.0 71.4 499.8 366.8 163.0 24.9 5.9 3.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 2 70.0 500.1 368.5 137.2 23.2 5.7 0.8 70.0 499.6 368.5 137.2 23.2 5.7 0.8 0.0 -0.6 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 1 71.9 498.4 363.2 165.2 26.2 5.8 3.0 71.9 498.2 363.2 165.2 26.2 5.8 3.0 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 11 2 71.4 492.5 364.8 153.7 22.8 5.8 3.0 71.4 492.2 364.8 153.7 22.8 5.8 3.0 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gunlock SP40 REDMTN40 1 2 70.8 373.5 313.4 147.9 23.4 3.5 1.3 70.8 365.0 306.1 147.8 23.3 3.4 1.3 0.0 -8.5 -2.3% -7.3 -2.3% -0.1 0.0% 0.0 -0.1% -0.1 -1.9% 0.0 0.0%40 REDMTN40 1 3 71.8 365.7 288.1 143.3 18.4 3.3 1.3 71.8 357.2 280.7 143.3 18.4 3.3 1.3 0.0 -8.5 -2.3% -7.5 -2.6% 0.0 0.0% 0.0 -0.2% 0.0 0.0% 0.0 0.0%40 REDMTN40 2 2 69.0 392.5 310.0 128.3 21.0 2.4 1.2 69.0 360.6 302.9 128.3 20.9 2.4 1.2 0.0 -31.9 -8.1% -7.1 -2.3% 0.0 0.0% -0.1 -0.3% 0.0 0.0% 0.0 0.0%40 REDMTN40 2 3 70.1 364.0 295.0 122.8 20.6 3.5 1.3 70.1 355.0 287.8 122.8 20.6 3.5 1.3 0.0 -8.9 -2.5% -7.2 -2.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Iron Mission State Park Museum14 PAIUTE14 3 3 70.8 229.2 160.2 64.5 10.5 0.8 0.2 70.8 222.2 158.9 63.5 10.5 0.8 0.2 0.0 -7.1 -3.1% -1.3 -0.8% -1.0 -1.6% 0.1 0.5% 0.0 0.0% 0.0 0.0%
Joshua Tree Instant Study Area4 BEAVER4 1 7 73.7 428.0 317.7 145.9 19.8 3.8 0.3 73.7 417.7 313.0 145.4 19.7 3.8 0.3 0.0 -10.3 -2.4% -4.7 -1.5% -0.5 -0.4% -0.1 -0.5% 0.0 0.0% 0.0 0.0%4 BEAVER4 2 7 72.7 394.6 303.3 138.2 21.1 3.9 0.2 72.7 384.8 298.5 137.1 20.6 3.9 0.2 0.0 -9.7 -2.5% -4.7 -1.6% -1.1 -0.8% -0.6 -2.6% 0.0 0.0% 0.0 0.0%4 BEAVER4 2 8 74.1 412.8 303.4 134.3 19.0 3.8 0.1 74.1 403.4 300.1 133.9 18.9 3.8 0.1 0.0 -9.4 -2.3% -3.3 -1.1% -0.4 -0.3% -0.1 -0.3% 0.0 0.0% 0.0 0.0%
Kaibab Indian Reservation17 KAIBAB17 1 1 72.1 303.8 246.9 104.1 21.1 2.2 0.6 72.1 304.3 247.1 104.3 21.2 2.2 0.6 0.0 0.5 0.2% 0.3 0.1% 0.3 0.2% 0.0 0.2% 0.0 0.0% 0.0 0.0%17 KAIBAB17 1 2 70.6 302.2 251.6 104.5 20.5 2.1 0.3 70.6 302.7 252.1 104.7 20.5 2.1 0.3 0.0 0.5 0.2% 0.5 0.2% 0.3 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 1 3 69.6 300.5 252.5 104.8 20.6 1.9 0.3 69.6 300.8 253.0 105.1 20.6 1.9 0.3 0.0 0.3 0.1% 0.5 0.2% 0.3 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 1 4 71.2 302.3 248.4 106.1 20.6 1.8 0.3 71.2 302.6 248.7 106.3 20.6 1.8 0.3 0.0 0.3 0.1% 0.3 0.1% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 1 5 73.1 308.3 245.5 105.7 17.8 2.2 0.4 73.1 308.5 245.9 105.8 18.0 2.4 0.4 0.0 0.3 0.1% 0.4 0.1% 0.0 0.0% 0.2 1.1% 0.2 8.8% 0.0 8.1%17 KAIBAB17 1 6 74.3 306.5 246.9 109.2 21.5 3.3 0.7 74.3 306.6 247.0 109.2 21.2 3.1 0.7 0.0 0.2 0.0% 0.1 0.0% 0.0 0.0% -0.2 -1.0% -0.2 -6.3% 0.0 0.0%17 KAIBAB17 1 7 74.3 308.5 251.0 116.5 22.7 3.2 0.6 74.3 308.4 250.9 116.3 22.7 3.2 0.6 0.0 -0.1 0.0% -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 -0.5% 0.0 0.0%17 KAIBAB17 1 8 73.4 318.1 252.1 115.9 17.6 2.2 0.7 73.4 317.9 251.8 115.9 17.6 2.2 0.7 0.0 -0.2 -0.1% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 2 1 73.3 299.1 240.8 101.8 13.8 2.0 0.7 73.3 299.6 241.0 102.1 13.8 2.0 0.7 0.0 0.5 0.2% 0.3 0.1% 0.3 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 2 2 71.8 303.9 246.6 110.2 16.4 2.1 0.6 71.8 304.3 247.0 110.5 16.4 2.1 0.6 0.0 0.4 0.1% 0.5 0.2% 0.3 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
17 KAIBAB17 2 3 71.0 296.9 249.4 106.9 17.4 2.2 0.3 71.0 297.2 249.8 106.9 17.4 2.2 0.3 0.0 0.3 0.1% 0.5 0.2% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 2 4 71.4 295.2 249.3 103.9 17.8 2.1 0.3 71.4 295.5 249.6 104.1 18.0 2.1 0.3 0.0 0.3 0.1% 0.3 0.1% 0.2 0.2% 0.2 1.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 2 5 71.9 301.7 243.9 110.2 20.5 2.2 0.3 71.9 302.0 244.3 110.2 20.7 2.2 0.3 0.0 0.3 0.1% 0.4 0.1% 0.0 0.0% 0.2 0.9% 0.0 1.3% 0.0 0.0%17 KAIBAB17 2 6 73.7 304.6 224.8 115.1 22.9 3.5 1.5 73.7 304.7 224.9 115.0 22.7 3.3 1.3 0.0 0.1 0.0% 0.1 0.0% -0.2 -0.1% -0.2 -1.0% -0.2 -6.0% -0.2 -13.9%17 KAIBAB17 2 7 74.6 297.3 225.8 114.9 21.6 2.5 0.6 74.6 297.2 225.6 114.7 21.7 2.5 0.6 0.0 -0.1 0.0% -0.2 -0.1% -0.2 -0.2% 0.0 0.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 2 8 74.3 306.2 230.7 121.9 16.6 2.3 0.7 74.3 306.1 230.4 121.6 16.6 2.3 0.7 0.0 -0.1 0.0% -0.2 -0.1% -0.3 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 3 1 73.9 294.6 234.7 101.9 14.3 2.3 0.7 73.9 295.1 235.0 101.9 14.3 2.3 0.7 0.0 0.5 0.2% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 3 2 73.0 295.5 239.0 105.3 14.1 2.3 1.0 73.0 296.0 239.4 105.4 14.1 2.3 1.0 0.0 0.5 0.2% 0.5 0.2% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 3 3 71.4 296.8 239.0 113.0 17.7 2.3 1.1 71.4 297.1 239.5 113.2 17.7 2.3 1.1 0.0 0.3 0.1% 0.5 0.2% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 3 4 71.6 290.7 238.5 108.9 20.2 2.3 0.3 71.6 291.1 238.8 109.2 20.4 2.5 0.3 0.0 0.4 0.1% 0.3 0.1% 0.3 0.2% 0.2 0.9% 0.2 8.4% 0.0 0.0%17 KAIBAB17 3 5 71.1 292.7 229.3 116.1 18.1 2.0 0.3 71.1 293.0 229.3 116.1 18.3 2.0 0.3 0.0 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.2 1.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 3 6 78.2 302.4 221.6 110.8 20.5 3.3 0.8 78.2 302.4 221.6 110.6 20.3 3.1 0.8 0.0 0.0 0.0% 0.1 0.0% -0.2 -0.2% -0.2 -1.1% -0.2 -6.3% 0.0 -4.5%17 KAIBAB17 3 7 73.9 299.7 216.4 103.5 18.2 2.3 0.2 73.9 299.6 216.1 103.2 18.2 2.3 0.2 0.0 -0.1 0.0% -0.4 -0.2% -0.2 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 3 8 74.5 295.2 223.8 108.5 17.1 2.3 0.5 74.5 295.0 223.5 108.2 17.1 2.3 0.5 0.0 -0.1 0.0% -0.3 -0.2% -0.3 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 1 73.8 296.5 221.1 103.3 15.0 2.2 0.6 73.8 296.9 221.6 103.3 15.0 2.2 0.6 0.0 0.5 0.2% 0.5 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 2 73.8 296.5 223.7 109.1 15.9 2.3 0.6 73.8 296.8 224.1 109.1 15.9 2.3 0.6 0.0 0.3 0.1% 0.5 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 3 72.7 299.4 223.1 115.8 18.0 2.2 1.2 72.7 299.7 223.6 116.0 18.0 2.2 1.2 0.0 0.3 0.1% 0.5 0.2% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 4 70.9 297.9 228.3 104.8 18.8 2.2 1.0 70.9 298.2 228.3 105.0 19.0 2.4 1.0 0.0 0.3 0.1% 0.0 0.0% 0.2 0.2% 0.2 1.0% 0.2 8.8% 0.0 0.0%17 KAIBAB17 4 5 71.5 290.1 218.8 101.7 16.0 2.0 0.2 71.5 290.4 218.8 101.7 16.0 2.0 0.2 0.0 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 6 72.0 289.5 214.3 101.0 18.3 3.3 0.9 72.0 289.3 214.2 100.8 18.1 3.1 0.8 0.0 -0.2 -0.1% 0.0 0.0% -0.1 -0.1% -0.2 -1.2% -0.2 -6.4% 0.0 -4.3%17 KAIBAB17 4 7 72.6 293.2 210.8 102.4 17.8 2.3 0.3 72.6 293.0 210.4 102.2 17.8 2.3 0.3 0.0 -0.2 -0.1% -0.4 -0.2% -0.2 -0.2% 0.0 -0.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 8 74.0 288.0 213.5 103.6 17.2 2.0 0.5 74.0 287.7 213.1 103.3 17.2 2.0 0.5 0.0 -0.3 -0.1% -0.5 -0.2% -0.3 -0.3% 0.0 -0.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 5 1 73.2 295.7 211.6 95.2 14.6 2.4 0.6 73.2 296.2 211.9 95.3 14.6 2.4 0.6 0.0 0.5 0.2% 0.4 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 5 2 73.9 297.0 210.0 97.5 16.5 2.2 0.6 73.9 297.3 210.2 97.5 16.5 2.2 0.6 0.0 0.3 0.1% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 5 3 73.6 296.6 208.5 101.4 12.5 2.3 0.6 73.6 296.8 208.6 101.6 12.7 2.3 0.6 0.0 0.3 0.1% 0.0 0.0% 0.2 0.2% 0.2 1.5% 0.0 0.0% 0.0 0.0%17 KAIBAB17 5 4 72.3 293.9 214.9 106.5 16.8 2.2 0.6 72.3 294.2 214.9 106.7 17.0 2.4 0.6 0.0 0.3 0.1% 0.0 0.0% 0.2 0.2% 0.2 1.1% 0.2 8.9% 0.0 0.0%17 KAIBAB17 5 5 72.3 290.2 215.6 102.6 16.5 2.2 0.3 72.3 289.8 215.5 102.6 16.4 2.2 0.3 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 -0.2% 0.0 0.0% 0.0 0.0%17 KAIBAB17 5 6 72.3 288.7 216.8 99.5 17.0 3.1 0.2 72.3 288.4 216.5 99.2 16.7 2.9 0.2 0.0 -0.3 -0.1% -0.3 -0.1% -0.2 -0.2% -0.2 -1.3% -0.2 -6.8% 0.0 0.0%17 KAIBAB17 5 7 72.2 285.2 211.7 97.4 15.7 1.9 0.2 72.2 285.0 211.2 97.2 15.7 1.9 0.2 0.0 -0.2 -0.1% -0.5 -0.2% -0.3 -0.3% 0.0 -0.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 5 8 73.4 283.3 205.9 98.7 15.6 2.1 0.3 73.4 282.8 205.5 98.4 15.6 2.1 0.3 0.0 -0.5 -0.2% -0.5 -0.2% -0.3 -0.3% 0.0 -0.2% 0.0 0.0% 0.0 0.0%17 KAIBAB17 6 1 72.4 284.7 202.1 99.4 11.7 2.0 0.7 72.4 285.2 202.3 99.4 11.7 2.0 0.7 0.0 0.5 0.2% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 6 2 73.5 283.9 201.9 100.2 12.6 2.0 0.7 73.5 284.2 202.1 100.4 12.6 2.0 0.7 0.0 0.3 0.1% 0.2 0.1% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 6 3 74.0 286.9 211.7 101.7 13.5 2.0 0.7 74.0 287.1 211.7 101.9 13.7 2.1 0.7 0.0 0.2 0.1% 0.0 0.0% 0.2 0.2% 0.2 1.4% 0.0 1.4% 0.0 0.0%17 KAIBAB17 6 4 73.4 282.5 214.4 108.7 14.6 2.0 0.6 73.4 282.5 214.4 108.9 14.8 2.0 0.6 0.0 0.0 0.0% 0.0 0.0% 0.2 0.2% 0.2 1.3% 0.0 0.0% 0.0 0.0%17 KAIBAB17 6 5 71.9 281.5 221.1 106.7 15.7 1.9 0.6 71.9 281.2 221.1 106.5 15.5 1.9 0.6 0.0 -0.3 -0.1% 0.0 0.0% -0.2 -0.2% -0.2 -1.3% 0.0 0.0% 0.0 0.0%17 KAIBAB17 6 6 71.0 279.9 225.0 105.9 16.5 3.0 0.2 71.0 279.6 224.7 105.6 16.3 2.8 0.2 0.0 -0.3 -0.1% -0.3 -0.1% -0.2 -0.2% -0.2 -1.4% -0.2 -6.9% 0.0 0.0%17 KAIBAB17 6 7 71.4 284.6 219.0 94.0 15.4 1.9 0.2 71.4 284.4 218.5 93.5 15.4 1.9 0.2 0.0 -0.3 -0.1% -0.5 -0.2% -0.5 -0.6% 0.0 -0.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 6 8 71.9 278.9 214.5 90.5 16.4 2.7 0.3 71.9 278.4 214.0 90.2 16.1 2.5 0.3 0.0 -0.5 -0.2% -0.5 -0.2% -0.3 -0.3% -0.3 -1.7% -0.3 -10.0% 0.0 0.0%28 KAIBAB28 1 1 72.4 284.4 202.7 99.5 11.7 2.0 0.7 72.4 284.9 202.9 99.5 11.7 2.0 0.7 0.0 0.5 0.2% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%28 KAIBAB28 1 2 73.5 284.7 202.0 100.2 12.7 2.0 0.7 73.5 285.0 202.2 100.4 12.7 2.0 0.7 0.0 0.3 0.1% 0.2 0.1% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%28 KAIBAB28 1 3 74.0 286.9 215.6 101.7 13.4 2.0 0.7 74.0 287.1 215.6 101.9 13.6 2.2 0.7 0.0 0.2 0.1% 0.0 0.0% 0.2 0.2% 0.2 1.4% 0.2 9.4% 0.0 0.0%28 KAIBAB28 1 4 73.4 282.8 214.5 108.7 14.5 2.0 0.6 73.4 282.8 214.5 108.9 14.7 2.0 0.6 0.0 0.0 0.0% 0.0 0.0% 0.2 0.2% 0.2 1.3% 0.0 0.0% 0.0 0.0%28 KAIBAB28 1 5 71.9 281.2 222.0 106.9 15.7 1.9 0.6 71.9 280.9 222.0 106.7 15.5 1.9 0.6 0.0 -0.3 -0.1% 0.0 0.0% -0.2 -0.2% -0.2 -1.3% 0.0 0.0% 0.0 0.0%28 KAIBAB28 1 6 71.1 279.9 224.8 105.8 16.4 2.6 0.2 71.1 279.6 224.5 105.6 16.2 2.4 0.2 0.0 -0.3 -0.1% -0.3 -0.1% -0.2 -0.2% -0.2 -1.4% -0.2 -7.7% 0.0 0.0%28 KAIBAB28 1 7 71.5 284.6 219.0 92.5 15.3 1.9 0.2 71.5 284.3 218.5 92.0 15.3 1.9 0.2 0.0 -0.3 -0.1% -0.5 -0.2% -0.5 -0.6% 0.0 -0.1% 0.0 0.0% 0.0 0.0%28 KAIBAB28 1 8 71.9 282.8 214.8 89.9 16.5 2.7 0.3 71.9 282.3 214.3 89.7 16.2 2.4 0.3 0.0 -0.5 -0.2% -0.5 -0.2% -0.3 -0.3% -0.3 -1.7% -0.3 -10.2% 0.0 0.0%28 KAIBAB28 2 1 72.7 268.4 201.4 94.4 11.3 1.9 0.7 72.7 268.6 201.6 94.4 11.3 1.9 0.7 0.0 0.2 0.1% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%28 KAIBAB28 2 2 72.6 272.8 207.3 95.9 11.2 1.7 0.7 72.6 272.8 207.5 96.1 11.2 1.7 0.7 0.0 0.0 0.0% 0.2 0.1% 0.2 0.2% 0.0 0.3% 0.0 0.0% 0.0 0.0%28 KAIBAB28 2 3 73.8 273.7 212.4 93.0 12.6 2.0 0.7 73.8 273.7 212.4 93.2 12.8 2.2 0.7 0.0 0.0 0.0% 0.0 0.0% 0.2 0.2% 0.2 1.5% 0.2 9.6% 0.0 0.0%28 KAIBAB28 2 4 74.0 273.6 215.3 96.4 11.3 2.1 0.6 74.0 273.6 215.3 96.5 11.3 2.1 0.6 0.0 0.0 0.0% 0.0 0.0% 0.2 0.2% 0.0 0.2% 0.0 0.0% 0.0 0.0%28 KAIBAB28 2 5 73.1 277.0 215.1 97.1 16.2 2.0 0.5 73.1 276.7 215.0 96.9 16.0 2.0 0.5 0.0 -0.3 -0.1% -0.1 0.0% -0.2 -0.2% -0.2 -1.3% 0.0 0.0% 0.0 0.0%28 KAIBAB28 2 6 71.4 277.4 223.1 88.6 16.3 2.2 0.3 71.4 277.1 222.6 88.3 16.0 2.2 0.3 0.0 -0.3 -0.1% -0.5 -0.2% -0.2 -0.3% -0.2 -1.4% 0.0 -1.3% 0.0 0.0%28 KAIBAB28 2 7 71.0 273.2 220.8 77.9 15.0 1.8 0.2 71.0 272.8 220.3 77.4 15.0 1.8 0.2 0.0 -0.3 -0.1% -0.5 -0.2% -0.5 -0.7% 0.0 -0.1% 0.0 0.0% 0.0 0.0%28 KAIBAB28 2 8 70.9 277.5 220.4 77.9 15.7 3.3 0.2 70.9 277.0 219.8 77.6 15.4 3.0 0.2 0.0 -0.5 -0.2% -0.5 -0.2% -0.3 -0.4% -0.3 -1.8% -0.3 -8.6% 0.0 0.0%28 KAIBAB28 3 1 73.0 266.7 194.7 85.7 9.9 1.6 0.6 73.0 266.9 194.9 85.7 9.9 1.6 0.6 0.0 0.2 0.1% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%28 KAIBAB28 3 2 71.2 275.2 202.9 90.4 10.6 1.7 0.7 71.2 275.1 203.1 90.6 10.8 1.7 0.7 0.0 0.0 0.0% 0.2 0.1% 0.2 0.2% 0.2 1.8% 0.0 0.0% 0.0 0.0%28 KAIBAB28 3 3 72.9 276.8 206.6 83.6 10.7 1.6 0.7 72.9 276.7 206.6 83.7 10.8 1.8 0.7 0.0 0.0 0.0% 0.0 0.0% 0.2 0.2% 0.2 1.8% 0.2 11.9% 0.0 0.0%28 KAIBAB28 3 4 73.9 278.9 211.4 79.8 11.4 1.9 0.7 73.9 278.6 211.4 79.7 11.4 1.9 0.7 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%28 KAIBAB28 3 5 73.8 279.8 216.2 85.9 15.9 1.9 0.5 73.8 279.4 215.9 85.7 15.7 1.9 0.5 0.0 -0.4 -0.1% -0.3 -0.2% -0.2 -0.3% -0.2 -1.3% 0.0 -1.5% 0.0 0.0%28 KAIBAB28 3 6 72.7 277.7 220.3 78.2 16.6 2.0 0.6 72.7 277.4 219.8 78.0 16.4 1.9 0.6 0.0 -0.3 -0.1% -0.5 -0.2% -0.3 -0.3% -0.2 -1.3% 0.0 -1.5% 0.0 0.0%28 KAIBAB28 3 7 71.0 278.1 225.3 78.0 16.4 2.0 0.2 71.0 277.6 224.8 77.4 16.1 2.0 0.2 0.0 -0.5 -0.2% -0.5 -0.2% -0.5 -0.7% -0.3 -1.8% 0.0 0.0% 0.0 0.0%28 KAIBAB28 3 8 69.5 279.2 218.4 71.6 15.5 2.5 0.2 69.5 278.7 217.9 71.3 15.2 2.2 0.2 0.0 -0.6 -0.2% -0.5 -0.2% -0.3 -0.4% -0.3 -1.8% -0.3 -11.0% 0.0 0.0%
Kaibab National Forest 25 KAIFST25 1 3 71.6 251.9 182.6 92.5 15.1 2.6 0.5 71.6 251.9 182.6 92.5 15.1 2.6 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 1 4 71.5 256.0 179.4 93.1 20.0 2.0 0.4 71.5 256.0 179.3 93.1 20.0 2.0 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 2 3 70.3 260.6 190.2 77.3 16.7 2.0 0.3 70.3 260.6 190.2 77.3 16.7 2.0 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 9 1 70.7 251.3 185.7 93.5 20.1 3.6 1.0 70.7 251.3 185.7 93.5 20.1 3.6 1.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 9 2 70.3 250.8 188.3 90.8 19.7 3.6 0.5 70.3 250.8 188.3 90.8 19.7 3.6 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 10 1 70.9 252.5 183.2 97.2 18.6 3.2 1.0 70.9 252.5 183.2 97.2 18.6 3.2 1.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 10 2 71.0 256.3 182.5 93.1 20.4 3.4 0.5 71.0 256.3 182.5 93.1 20.4 3.4 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 11 1 71.8 253.3 176.7 102.5 18.2 1.9 0.9 71.8 253.3 176.7 102.5 18.2 1.9 0.9 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 11 2 71.7 253.6 172.8 96.2 19.7 2.1 0.9 71.7 253.6 172.8 96.2 19.7 2.1 0.9 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Kanab Creek Wilderness25 KAIFST25 1 4 71.5 251.9 182.6 92.5 15.1 2.6 0.5 71.5 251.9 182.6 92.5 15.1 2.6 0.5 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 1 5 71.4 251.1 182.3 77.7 11.8 2.2 0.4 71.4 251.1 182.3 77.7 11.8 2.2 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 1 6 71.7 257.4 184.7 73.3 11.1 2.2 0.2 71.7 257.4 184.7 73.3 11.1 2.2 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 2 3 70.3 265.9 195.3 86.1 14.2 1.9 0.8 70.3 265.9 195.3 86.1 14.2 1.9 0.8 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 2 4 69.6 260.6 190.2 77.3 16.7 2.0 0.3 69.6 260.6 190.2 77.3 16.7 2.0 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 2 5 69.1 258.8 191.7 76.4 14.7 1.8 0.3 69.1 258.8 191.7 76.4 14.7 1.8 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 2 6 70.4 258.4 190.6 75.0 13.9 1.9 0.4 70.4 258.4 190.6 75.0 13.9 1.9 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 3 3 70.4 260.8 195.0 75.1 11.3 2.0 0.4 70.4 260.8 195.0 75.1 11.3 2.0 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 3 4 70.1 258.3 190.6 73.8 13.7 2.0 0.4 70.1 258.3 190.6 73.8 13.7 2.0 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 3 5 70.2 255.0 190.4 73.0 13.4 2.3 0.4 70.2 255.0 190.4 73.0 13.4 2.3 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%25 KAIFST25 3 6 71.2 253.8 191.7 74.9 12.3 2.2 0.4 71.2 253.8 191.7 74.9 12.3 2.2 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%26 KANCRK26 2 1 73.2 256.8 180.7 86.8 15.2 2.1 0.3 73.2 256.8 180.7 86.8 15.2 2.1 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%26 KANCRK26 2 2 73.9 268.6 185.4 86.1 15.4 2.1 0.2 73.9 268.6 185.4 86.1 15.4 2.1 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%26 KANCRK26 3 1 71.8 256.0 182.1 74.0 11.1 2.2 0.2 71.8 256.0 182.1 74.0 11.1 2.2 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%26 KANCRK26 3 2 73.5 253.3 180.8 70.0 11.3 1.9 0.1 73.5 253.3 180.8 70.0 11.3 1.9 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%26 KANCRK26 4 1 70.3 260.8 195.4 75.2 11.2 2.0 0.4 70.3 260.8 195.4 75.2 11.2 2.0 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
26 KANCRK26 4 2 72.5 258.2 187.7 71.6 11.2 2.0 0.2 72.5 258.2 187.7 71.6 11.2 2.0 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%26 KANCRK26 5 1 71.2 253.8 191.5 74.9 12.3 2.2 0.4 71.2 253.8 191.5 74.9 12.3 2.2 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%26 KANCRK26 5 2 71.5 257.4 193.8 76.4 10.1 2.2 0.2 71.5 257.4 193.8 76.4 10.1 2.2 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 1 1 71.4 260.2 190.1 75.3 10.3 2.1 0.2 71.4 260.2 190.1 75.3 10.3 2.1 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 1 2 73.5 255.1 187.6 76.7 10.3 2.2 0.1 73.5 255.1 187.6 76.7 10.3 2.2 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 1 3 74.2 258.8 185.8 78.0 10.4 2.3 0.1 74.2 258.8 185.8 78.0 10.4 2.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 1 4 73.7 260.5 178.8 83.2 10.2 1.9 0.1 73.7 260.5 178.8 83.2 10.2 1.9 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 2 1 71.3 260.1 183.3 79.5 10.2 2.2 0.4 71.3 260.1 183.3 79.5 10.2 2.2 0.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 2 2 71.9 255.6 180.3 81.1 10.5 2.2 0.1 71.9 255.6 180.3 81.1 10.5 2.2 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 2 3 73.2 263.0 181.0 72.2 9.8 2.3 0.1 73.2 263.0 181.0 72.2 9.8 2.3 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%27 KANCRK27 2 4 74.0 259.7 171.8 72.8 9.9 2.0 0.1 74.0 259.7 171.8 72.8 9.9 2.0 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Lake Mead National Recreation Area46 LKMEAD46 1 1 73.7 577.2 445.6 210.6 34.9 7.9 4.5 73.7 576.8 445.3 210.6 34.9 7.9 4.5 0.0 -0.4 -0.1% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%46 LKMEAD46 1 2 73.7 550.2 460.8 219.2 36.2 8.1 5.3 73.7 549.9 460.4 219.2 36.1 8.1 5.3 0.0 -0.4 -0.1% -0.4 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%46 LKMEAD46 2 1 73.1 571.9 446.2 196.7 33.1 7.8 4.1 73.1 571.4 446.0 196.6 33.1 7.8 4.1 0.0 -0.4 -0.1% -0.2 0.0% -0.1 0.0% -0.1 -0.2% 0.0 0.0% 0.0 0.0%46 LKMEAD46 2 2 73.6 565.7 440.5 208.0 35.4 8.3 4.5 73.6 565.1 439.9 208.0 35.4 8.3 4.5 0.0 -0.6 -0.1% -0.6 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%46 LKMEAD46 2 3 73.5 550.8 445.0 212.7 35.7 8.1 5.2 73.5 550.4 444.6 212.8 35.7 8.1 5.2 0.0 -0.4 -0.1% -0.4 -0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%46 LKMEAD46 2 4 73.0 551.0 450.0 220.3 38.3 7.6 5.1 73.0 550.2 449.5 220.4 38.2 7.6 5.1 0.0 -0.8 -0.1% -0.5 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%46 LKMEAD46 3 1 72.0 578.7 443.0 196.3 36.7 8.2 3.1 72.0 578.4 442.9 196.1 36.7 8.2 3.1 0.0 -0.3 -0.1% -0.1 0.0% -0.1 -0.1% 0.0 -0.1% 0.0 0.0% 0.0 0.0%46 LKMEAD46 3 2 73.2 569.0 438.9 202.7 35.4 7.7 4.1 73.2 568.6 438.7 202.6 35.3 7.7 4.1 0.0 -0.4 -0.1% -0.3 -0.1% -0.1 0.0% -0.1 -0.3% 0.0 0.0% 0.0 0.0%46 LKMEAD46 3 3 73.7 545.9 440.5 206.1 37.3 8.0 4.0 73.7 545.4 440.1 206.0 37.3 8.0 4.0 0.0 -0.5 -0.1% -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%46 LKMEAD46 3 4 73.6 551.1 445.2 213.8 36.4 7.9 5.2 73.6 549.4 444.8 213.8 36.4 7.9 5.2 0.0 -1.7 -0.3% -0.4 -0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%46 LKMEAD46 4 1 72.9 576.1 424.0 182.2 39.8 7.3 3.3 72.9 575.8 423.8 182.1 39.7 7.2 3.3 0.0 -0.3 -0.1% -0.1 0.0% -0.1 -0.1% 0.0 -0.1% 0.0 -0.2% 0.0 0.0%47 LKMEAD47 1 1 71.9 592.6 461.5 191.7 36.7 9.8 3.1 71.9 592.5 461.4 191.6 36.7 9.8 3.1 0.0 -0.1 0.0% -0.1 0.0% -0.2 -0.1% 0.0 -0.1% 0.0 0.0% 0.0 0.0%47 LKMEAD47 1 2 72.3 582.9 439.3 200.7 34.5 10.5 3.7 72.3 582.6 439.1 200.6 34.5 10.5 3.7 0.0 -0.2 0.0% -0.2 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%47 LKMEAD47 1 3 73.2 588.8 446.9 196.7 35.3 7.8 4.1 73.2 588.3 446.7 196.8 35.3 7.8 4.1 0.0 -0.4 -0.1% -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%47 LKMEAD47 1 4 73.7 577.3 446.0 210.9 34.9 7.9 4.5 73.7 576.9 445.7 211.0 34.9 7.9 4.5 0.0 -0.4 -0.1% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%47 LKMEAD47 2 1 73.0 589.3 444.8 190.4 37.6 9.3 3.2 73.0 589.2 444.8 190.3 37.5 9.3 3.2 0.0 -0.1 0.0% 0.0 0.0% -0.1 -0.1% -0.1 -0.3% 0.0 0.0% 0.0 0.0%47 LKMEAD47 2 2 72.1 589.4 428.6 194.0 36.9 10.6 3.1 72.1 589.3 428.5 193.9 36.9 10.6 3.1 0.0 -0.1 0.0% -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%47 LKMEAD47 2 3 72.1 575.7 438.8 200.2 35.0 10.6 3.6 72.1 575.4 438.7 200.0 35.0 10.6 3.6 0.0 -0.4 -0.1% -0.1 0.0% -0.2 -0.1% 0.1 0.2% 0.0 0.0% 0.0 0.0%47 LKMEAD47 2 4 73.1 572.4 446.8 195.4 33.0 7.8 4.1 73.1 572.0 446.6 195.3 33.0 7.8 4.1 0.0 -0.4 -0.1% -0.2 0.0% -0.1 0.0% -0.1 -0.2% 0.0 0.0% 0.0 0.0%47 LKMEAD47 3 1 73.6 573.3 429.5 172.2 34.7 8.4 3.3 73.6 573.2 429.4 172.1 34.6 8.4 3.3 0.0 -0.2 0.0% 0.0 0.0% -0.1 -0.1% -0.1 -0.2% 0.0 0.0% 0.0 0.0%47 LKMEAD47 3 2 73.3 588.1 437.8 178.6 38.3 8.8 3.1 73.3 587.9 437.6 178.5 38.1 8.8 3.1 0.0 -0.1 0.0% -0.2 0.0% -0.1 0.0% -0.2 -0.4% 0.0 -0.2% 0.0 0.0%47 LKMEAD47 3 3 72.5 568.2 433.2 198.3 39.3 10.4 3.3 72.5 568.0 433.1 198.2 39.2 10.4 3.3 0.0 -0.2 0.0% -0.1 0.0% -0.1 -0.1% -0.1 -0.2% 0.0 0.0% 0.0 0.0%47 LKMEAD47 3 4 72.1 578.5 443.2 196.3 36.7 8.2 3.1 72.1 578.2 443.1 196.0 36.7 8.2 3.1 0.0 -0.3 -0.1% -0.1 0.0% -0.2 -0.1% 0.0 -0.1% 0.0 0.0% 0.0 0.0%47 LKMEAD47 4 1 73.5 575.3 443.1 168.8 29.8 7.8 3.5 73.5 575.3 443.1 168.7 29.8 7.8 3.5 0.0 -0.1 0.0% 0.0 0.0% -0.1 -0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%47 LKMEAD47 4 2 73.7 581.2 425.1 177.4 31.5 7.8 3.5 73.7 581.1 425.0 177.3 31.4 7.8 3.5 0.0 -0.2 0.0% -0.1 0.0% -0.1 -0.1% -0.1 -0.3% 0.0 0.0% 0.0 0.0%47 LKMEAD47 4 3 73.5 602.6 424.3 174.1 33.8 8.6 3.4 73.5 602.4 424.1 174.1 33.6 8.6 3.4 0.0 -0.1 0.0% -0.2 0.0% 0.0 0.0% -0.2 -0.6% 0.0 0.0% 0.0 0.0%47 LKMEAD47 4 4 72.8 576.3 423.9 183.8 39.8 7.3 3.3 72.8 576.0 423.8 183.7 39.8 7.3 3.3 0.0 -0.3 -0.1% -0.1 0.0% -0.1 -0.1% 0.0 -0.1% 0.0 -0.2% 0.0 0.0%47 LKMEAD47 5 3 73.9 590.0 434.0 177.4 29.1 8.2 3.5 73.9 589.8 433.9 177.3 29.1 8.2 3.5 0.0 -0.2 0.0% -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0%
La Varkin Creek WSA19 ZION19 1 2 71.3 251.9 181.5 74.9 14.8 1.8 0.2 71.3 245.8 176.0 73.6 14.9 1.7 0.2 0.0 -6.1 -2.4% -5.5 -3.0% -1.3 -1.7% 0.1 8.8% -0.1 -3.2% 0.0 -7.7%19 ZION19 1 3 69.9 249.4 174.5 63.4 14.7 1.8 0.2 69.9 243.4 168.7 62.9 14.7 1.8 0.2 0.0 -6.1 -2.4% -5.9 -3.4% -0.6 -0.9% -0.1 -5.6% 0.0 0.0% 0.0 0.0%
Lime Canyon WSA47 LKMEAD47 4 1 73.5 575.3 443.1 168.8 29.8 7.8 1.3 73.5 575.3 443.1 168.7 29.8 7.8 1.3 0.0 -0.1 0.0% 0.0 0.0% -0.1 -0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%47 LKMEAD47 4 2 73.7 581.2 425.1 177.4 31.5 7.8 1.2 73.7 581.1 425.0 177.3 31.4 7.8 1.2 0.0 -0.2 0.0% -0.1 0.0% -0.1 -0.1% -0.1 -0.3% 0.0 0.0% 0.0 0.0%47 LKMEAD47 5 1 72.8 586.9 432.2 180.7 30.4 7.2 1.1 72.8 586.9 432.1 180.7 30.5 7.2 1.1 0.0 0.0 0.0% -0.1 0.0% 0.0 0.0% 0.1 0.2% 0.0 0.0% 0.0 0.0%47 LKMEAD47 5 2 73.4 581.3 404.8 168.8 28.3 7.8 1.0 73.4 581.2 404.8 168.8 28.3 7.8 1.0 0.0 -0.1 0.0% 0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.1% 0.0 0.0%47 LKMEAD47 6 1 71.7 625.8 443.7 183.7 30.1 7.1 1.2 71.7 625.7 443.6 183.7 30.1 7.1 1.2 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Moquith Mountains WSA17 KAIBAB17 4 7 72.6 293.2 210.8 102.4 17.8 2.3 0.3 72.6 293.0 210.4 102.2 17.8 2.3 0.3 0.0 -0.2 -0.1% -0.4 -0.2% -0.2 -0.2% 0.0 -0.1% 0.0 0.0% 0.0 0.0%17 KAIBAB17 5 7 72.2 285.2 211.7 97.4 15.7 1.9 0.2 72.2 285.0 211.2 97.2 15.7 1.9 0.2 0.0 -0.2 -0.1% -0.5 -0.2% -0.3 -0.3% 0.0 -0.1% 0.0 0.0% 0.0 0.0%29 MOQMTN29 1 1 73.5 285.8 210.7 99.7 17.0 2.1 0.3 73.5 285.4 210.3 99.4 16.8 2.1 0.3 0.0 -0.4 -0.2% -0.5 -0.2% -0.3 -0.3% -0.3 -1.7% 0.0 0.0% 0.0 0.0%29 MOQMTN29 1 2 74.5 284.4 215.3 100.8 14.0 2.9 0.5 74.5 284.6 215.1 100.5 13.7 2.6 0.5 0.0 0.2 0.1% -0.2 -0.1% -0.3 -0.3% -0.3 -2.0% -0.3 -9.5% 0.0 0.0%29 MOQMTN29 1 3 74.5 297.0 216.7 97.4 17.6 2.1 0.6 74.5 297.4 217.0 97.3 17.6 2.1 0.6 0.0 0.4 0.1% 0.3 0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%29 MOQMTN29 2 1 72.5 284.4 204.6 89.1 16.4 1.9 0.3 72.5 283.9 204.4 88.8 16.1 1.9 0.3 0.0 -0.5 -0.2% -0.3 -0.1% -0.3 -0.3% -0.3 -1.7% 0.0 0.0% 0.0 0.0%29 MOQMTN29 2 2 74.2 282.2 213.7 92.1 17.2 2.1 0.2 74.2 282.5 213.4 91.8 17.0 2.1 0.2 0.0 0.2 0.1% -0.2 -0.1% -0.3 -0.3% -0.3 -1.7% 0.0 0.0% 0.0 0.0%29 MOQMTN29 2 3 74.9 285.3 221.8 86.4 12.9 2.0 0.6 74.9 285.6 222.1 86.4 12.9 2.0 0.6 0.0 0.3 0.1% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%29 MOQMTN29 2 4 74.4 293.7 216.5 92.8 19.4 1.9 0.6 74.4 294.4 217.1 93.3 19.4 1.9 0.6 0.0 0.8 0.3% 0.6 0.3% 0.5 0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%29 MOQMTN29 3 1 71.4 279.3 221.0 77.9 16.1 3.4 0.2 71.4 278.8 220.5 77.6 15.8 3.1 0.2 0.0 -0.4 -0.2% -0.5 -0.2% -0.3 -0.4% -0.3 -1.8% -0.3 -8.3% 0.0 0.0%29 MOQMTN29 3 2 72.8 277.7 214.9 78.6 15.0 2.1 0.2 72.8 278.0 214.5 78.3 15.0 2.1 0.2 0.0 0.3 0.1% -0.3 -0.2% -0.3 -0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0%29 MOQMTN29 3 3 74.3 274.0 220.9 81.8 12.1 2.0 0.5 74.3 274.4 221.2 81.7 12.1 2.0 0.5 0.0 0.4 0.1% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%29 MOQMTN29 3 4 74.7 277.4 221.7 81.5 18.7 1.8 0.6 74.7 278.2 222.4 82.0 18.7 1.8 0.6 0.0 0.7 0.3% 0.7 0.3% 0.5 0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%29 MOQMTN29 3 5 73.9 287.2 215.7 86.6 21.3 3.9 0.6 73.9 288.2 216.7 86.6 21.2 3.8 0.6 0.0 1.0 0.3% 1.0 0.5% 0.0 0.0% 0.0 -0.2% 0.0 -0.8% 0.0 0.0%29 MOQMTN29 4 1 70.3 280.4 219.0 73.2 15.6 3.2 0.2 70.3 279.8 218.4 72.9 15.4 2.9 0.2 0.0 -0.5 -0.2% -0.5 -0.2% -0.3 -0.4% -0.3 -1.8% -0.3 -8.8% 0.0 0.0%29 MOQMTN29 4 2 71.1 278.8 211.3 73.9 15.0 1.8 0.2 71.1 278.9 210.9 73.6 15.0 1.8 0.2 0.0 0.1 0.0% -0.3 -0.2% -0.3 -0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0%29 MOQMTN29 4 3 73.2 279.7 203.0 78.5 14.2 1.9 0.2 73.2 280.0 203.3 78.4 14.2 1.9 0.2 0.0 0.3 0.1% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Morman Mountains WSA45 WEST45 1 1 71.3 331.7 233.1 84.4 11.7 3.7 0.1 71.3 329.8 232.7 84.4 11.7 3.7 0.1 0.0 -1.8 -0.6% -0.4 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 2 72.2 313.9 223.3 62.5 9.3 3.5 0.1 72.2 312.1 222.9 62.5 9.3 3.5 0.1 0.0 -1.8 -0.6% -0.4 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 3 73.5 273.6 195.3 58.6 8.8 2.7 0.1 73.5 271.8 195.0 58.6 8.8 2.7 0.1 0.0 -1.8 -0.7% -0.3 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 4 73.3 256.7 167.3 46.9 8.3 2.2 0.2 73.3 254.9 167.1 46.9 8.3 2.2 0.2 0.0 -1.8 -0.7% -0.2 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 5 74.5 235.8 153.6 46.2 8.4 2.2 0.2 74.5 233.8 153.6 46.2 8.4 2.2 0.2 0.0 -2.0 -0.9% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 6 74.6 206.5 148.3 38.2 7.4 2.0 0.1 74.6 204.9 148.3 38.2 7.4 2.0 0.1 0.0 -1.7 -0.8% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 7 74.8 196.1 138.9 36.2 5.6 1.6 0.1 74.8 194.4 138.9 36.2 5.6 1.6 0.1 0.0 -1.7 -0.9% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 8 74.4 186.5 127.1 26.9 5.0 1.5 0.1 74.4 185.9 127.1 26.9 5.0 1.5 0.1 0.0 -0.6 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 9 73.0 175.7 112.8 23.2 4.7 1.5 0.1 73.0 175.1 112.8 23.2 4.7 1.5 0.1 0.0 -0.5 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 10 71.7 168.9 98.5 19.5 4.5 1.5 0.1 71.7 168.0 98.5 19.5 4.5 1.5 0.1 0.0 -0.9 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 1 11 70.6 157.4 93.0 16.7 4.4 1.5 0.1 70.6 157.1 93.0 16.7 4.4 1.5 0.1 0.0 -0.3 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 2 71.8 330.8 236.9 89.4 11.4 3.7 0.1 71.8 329.5 235.7 89.4 11.4 3.7 0.1 0.0 -1.3 -0.4% -1.2 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 3 73.2 304.3 223.9 64.8 10.7 3.6 0.1 73.2 303.0 222.8 64.8 10.7 3.6 0.1 0.0 -1.3 -0.4% -1.2 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 4 73.2 292.7 205.4 58.9 8.7 2.2 0.1 73.2 291.5 204.3 58.9 8.7 2.2 0.1 0.0 -1.3 -0.4% -1.1 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 5 72.5 262.4 169.8 57.0 8.7 2.1 0.1 72.5 261.1 168.7 57.0 8.7 2.1 0.1 0.0 -1.3 -0.5% -1.0 -0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 6 73.6 250.3 156.1 46.2 8.4 1.9 0.2 73.6 249.1 155.8 46.2 8.4 1.9 0.2 0.0 -1.2 -0.5% -0.3 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 7 74.4 224.7 149.5 37.4 7.1 1.8 0.1 74.4 223.4 149.5 37.4 7.1 1.8 0.1 0.0 -1.2 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 8 74.5 201.3 139.1 36.8 7.0 1.6 0.1 74.5 200.3 139.1 36.8 7.0 1.6 0.1 0.0 -1.1 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 9 74.0 194.8 130.6 32.2 5.3 1.5 0.1 74.0 193.0 130.6 32.2 5.3 1.5 0.1 0.0 -1.8 -0.9% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 2 10 73.2 177.0 124.3 22.6 4.7 1.5 0.1 73.2 175.3 124.3 22.6 4.7 1.5 0.1 0.0 -1.7 -1.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
45 WEST45 3 6 72.1 279.1 173.1 58.4 8.5 1.9 0.1 72.1 277.8 172.2 58.4 8.5 1.9 0.1 0.0 -1.2 -0.4% -0.9 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 3 7 73.2 244.2 158.4 47.2 8.2 1.9 0.2 73.2 242.9 157.4 47.2 8.2 1.9 0.2 0.0 -1.3 -0.5% -1.0 -0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 3 8 74.0 231.1 144.0 38.8 7.4 1.7 0.1 74.0 229.8 143.7 38.8 7.4 1.7 0.1 0.0 -1.3 -0.6% -0.3 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%45 WEST45 3 9 74.4 206.4 139.4 37.0 6.6 1.9 0.1 74.4 205.3 139.4 37.0 6.6 1.9 0.1 0.0 -1.1 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Mount Trumbull Wilderness23 SOUTH23 1 1 71.9 347.6 225.6 83.4 12.7 3.2 0.2 71.9 347.5 225.7 83.4 12.7 3.2 0.2 0.0 -0.1 0.0% 0.1 0.1% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 1 72.0 325.1 223.0 60.9 13.1 3.5 0.1 72.0 325.1 223.0 61.0 13.1 3.5 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 1 72.5 324.4 217.6 57.3 13.4 3.4 0.1 72.5 324.4 217.6 57.4 13.4 3.4 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
North Fork Virgin River WSA35 DEEPCK35 4 1 73.0 242.4 157.8 63.1 10.4 1.8 0.8 73.0 241.8 159.2 63.6 10.4 1.8 0.8 0.0 -0.6 -0.2% 1.4 0.9% 0.5 0.8% 0.0 0.0% 0.0 0.0% 0.0 0.0%35 DEEPCK35 5 1 71.8 243.4 156.3 64.3 12.6 1.8 0.7 71.8 243.3 157.9 64.8 12.7 1.8 0.7 0.0 -0.1 0.0% 1.7 1.1% 0.5 0.7% 0.0 0.1% 0.0 0.0% 0.0 0.0%34 ORDERV34 1 4 72.7 264.4 163.6 63.3 13.0 2.0 0.7 72.7 263.8 165.3 63.4 13.0 2.0 0.7 0.0 -0.6 -0.2% 1.8 1.1% 0.1 0.2% 0.1 0.4% 0.0 0.0% 0.0 0.0%34 ORDERV34 1 5 73.0 242.3 157.8 63.2 10.4 1.8 0.8 73.0 241.6 159.2 63.7 10.4 1.8 0.8 0.0 -0.7 -0.3% 1.4 0.9% 0.5 0.8% 0.0 0.0% 0.0 0.0% 0.0 0.0%34 ORDERV34 2 4 73.6 264.5 173.9 64.7 13.5 2.2 0.7 73.6 264.1 175.7 64.8 13.5 2.2 0.7 0.0 -0.4 -0.2% 1.8 1.0% 0.1 0.2% 0.0 0.1% 0.0 0.0% 0.0 0.0%34 ORDERV34 2 5 71.8 243.1 156.3 64.3 12.6 1.8 0.7 71.8 242.9 157.9 64.8 12.6 1.8 0.7 0.0 -0.2 -0.1% 1.6 1.0% 0.5 0.7% 0.0 0.1% 0.0 0.0% 0.0 0.0%
Orderville Canyon WSA34 ORDERV34 1 2 74.4 286.9 209.0 81.8 12.8 2.2 0.7 74.4 285.5 210.2 83.1 13.2 2.2 0.7 0.0 -1.4 -0.5% 1.3 0.6% 1.3 1.5% 0.4 3.1% 0.0 0.0% 0.0 0.0%34 ORDERV34 1 3 73.9 271.3 186.9 75.1 13.6 2.1 0.7 73.9 270.5 188.2 76.1 13.7 2.1 0.7 0.0 -0.8 -0.3% 1.3 0.7% 0.9 1.2% 0.0 0.2% 0.0 0.0% 0.0 0.0%34 ORDERV34 2 2 74.7 284.1 205.6 84.4 17.4 2.2 0.7 74.7 283.3 207.0 85.1 17.8 2.4 1.0 0.0 -0.8 -0.3% 1.3 0.6% 0.7 0.9% 0.4 2.6% 0.2 7.3% 0.3 36.6%34 ORDERV34 2 3 74.4 279.1 191.5 79.9 12.5 2.1 0.7 74.4 278.7 192.8 80.6 12.5 2.1 0.7 0.0 -0.4 -0.1% 1.3 0.7% 0.7 0.9% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Shivwits Paiute Indian Reservation5 PAIUTEW5 1 1 74.9 405.6 322.3 153.3 21.7 3.4 1.2 74.9 398.1 315.4 153.5 21.8 3.4 1.2 0.0 -7.5 -1.8% -6.9 -2.1% 0.3 0.2% 0.1 0.6% 0.0 0.0% 0.0 0.0%5 PAIUTEW5 1 2 73.8 398.9 323.2 157.2 21.8 4.4 1.3 73.8 391.1 315.4 157.1 21.8 4.4 1.3 0.0 -7.8 -2.0% -7.8 -2.4% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%5 PAIUTEW5 1 3 72.2 376.8 322.8 169.0 25.2 4.6 1.3 72.2 368.3 315.9 168.4 25.1 4.6 1.3 0.0 -8.5 -2.2% -6.9 -2.1% -0.5 -0.3% 0.0 -0.2% 0.0 -0.2% 0.0 0.0%5 PAIUTEW5 1 4 72.5 374.5 319.7 161.7 24.3 3.8 1.3 72.5 366.0 312.3 161.3 24.3 3.7 1.3 0.0 -8.5 -2.3% -7.3 -2.3% -0.4 -0.2% -0.1 -0.2% 0.0 -1.2% 0.0 0.0%5 PAIUTEW5 1 5 72.7 370.4 299.1 167.5 23.2 3.6 1.3 72.7 361.9 291.8 167.4 23.1 3.6 1.3 0.0 -8.5 -2.3% -7.3 -2.4% -0.1 0.0% -0.1 -0.2% 0.0 -0.4% 0.0 0.0%5 PAIUTEW5 2 1 74.9 444.0 311.8 131.0 18.4 3.3 0.1 74.9 394.2 302.5 129.9 18.5 3.3 0.1 0.0 -49.8 -11.2% -9.2 -3.0% -1.1 -0.8% 0.1 0.7% 0.0 0.0% 0.0 0.0%5 PAIUTEW5 2 2 74.4 437.2 325.7 137.4 19.6 3.4 0.1 74.4 386.3 315.4 137.5 19.6 3.4 0.1 0.0 -50.9 -11.7% -10.4 -3.2% 0.0 0.0% 0.0 0.0% 0.0 -0.3% 0.0 0.0%5 PAIUTEW5 2 3 73.0 427.4 325.7 153.8 21.8 3.4 1.2 73.0 378.4 315.1 154.1 21.2 3.4 1.2 0.0 -49.0 -11.5% -10.6 -3.2% 0.3 0.2% -0.6 -2.5% 0.0 -1.3% 0.0 0.0%5 PAIUTEW5 2 4 70.5 378.0 319.2 151.0 22.0 3.8 1.3 70.5 370.1 311.8 150.9 21.7 3.7 1.3 0.0 -7.9 -2.1% -7.3 -2.3% 0.0 0.0% -0.3 -1.2% 0.0 -1.3% 0.0 0.0%5 PAIUTEW5 2 5 71.5 373.0 313.7 158.6 21.8 3.7 1.3 71.5 364.6 306.8 158.6 21.7 3.7 1.3 0.0 -8.4 -2.2% -6.9 -2.2% 0.0 0.0% -0.1 -0.4% 0.0 -0.3% 0.0 0.0%5 PAIUTEW5 3 1 74.4 441.4 306.7 123.9 19.3 3.6 0.1 74.4 392.4 297.0 124.3 18.8 3.6 0.1 0.0 -49.0 -11.1% -9.7 -3.2% 0.4 0.3% -0.5 -2.5% 0.0 0.0% 0.0 0.0%5 PAIUTEW5 3 2 74.2 432.2 305.4 126.6 19.3 3.3 0.1 74.2 381.3 296.9 126.6 19.3 3.3 0.1 0.0 -50.8 -11.8% -8.5 -2.8% 0.0 0.0% 0.0 0.3% 0.0 -0.3% 0.0 0.0%5 PAIUTEW5 3 3 72.6 433.6 301.5 131.6 21.2 3.7 0.1 72.6 382.4 290.9 131.5 21.1 3.1 0.1 0.0 -51.2 -11.8% -10.6 -3.5% 0.0 0.0% 0.0 -0.2% -0.6 -15.8% 0.0 0.0%5 PAIUTEW5 3 4 70.2 429.1 319.1 138.7 23.0 3.2 1.2 70.2 378.1 307.9 138.6 22.9 2.7 1.2 0.0 -51.0 -11.9% -11.3 -3.5% 0.0 0.0% 0.0 -0.2% -0.5 -15.2% 0.0 0.0%5 PAIUTEW5 3 5 69.6 403.6 311.4 146.1 23.8 2.9 1.2 69.6 367.6 304.4 146.1 23.7 2.9 1.2 0.0 -36.0 -8.9% -7.0 -2.3% 0.0 0.0% 0.0 -0.1% 0.1 2.3% 0.0 0.0%5 PAIUTEW5 4 1 73.5 423.3 327.7 114.5 19.9 3.6 0.1 73.5 374.0 274.7 114.3 19.8 3.6 0.1 0.0 -49.3 -11.6% -53.0 -16.2% -0.2 -0.2% -0.1 -0.4% 0.0 0.0% 0.0 0.0%5 PAIUTEW5 4 2 72.8 412.3 328.9 111.0 20.1 4.9 0.1 72.8 362.1 282.0 111.0 19.9 3.9 0.1 0.0 -50.3 -12.2% -46.9 -14.3% 0.0 0.0% -0.2 -1.0% -1.0 -20.5% -0.1 -47.5%5 PAIUTEW5 4 3 71.4 427.5 298.8 115.3 19.6 3.7 0.1 71.4 376.5 290.2 115.2 19.5 3.1 0.1 0.0 -51.0 -11.9% -8.6 -2.9% 0.0 0.0% 0.0 -0.2% -0.6 -15.6% 0.0 0.0%5 PAIUTEW5 4 4 69.5 424.8 288.0 127.5 18.8 3.2 0.1 69.5 374.0 278.8 127.5 19.1 3.1 0.1 0.0 -50.8 -12.0% -9.2 -3.2% 0.0 0.0% 0.3 1.7% 0.0 -0.4% 0.0 0.0%5 PAIUTEW5 4 5 69.0 418.7 284.2 129.2 19.0 2.5 0.2 69.0 367.8 273.5 129.3 19.0 2.5 0.2 0.0 -50.9 -12.2% -10.8 -3.8% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%5 PAIUTEW5 5 1 73.2 413.9 325.5 104.9 15.4 4.4 0.1 73.2 401.0 269.8 97.6 15.3 3.4 0.1 0.0 -12.9 -3.1% -55.7 -17.1% -7.3 -7.0% -0.2 -1.1% -1.1 -24.5% 0.0 0.0%5 PAIUTEW5 5 2 73.1 416.9 316.3 94.8 19.5 4.3 0.1 73.1 386.4 264.2 94.8 19.5 3.1 0.1 0.0 -30.4 -7.3% -52.0 -16.5% 0.0 0.0% 0.0 -0.2% -1.2 -26.9% 0.0 0.0%5 PAIUTEW5 5 3 72.0 408.1 315.1 98.1 18.2 3.5 0.1 72.0 357.6 262.8 98.4 17.0 3.5 0.1 0.0 -50.5 -12.4% -52.3 -16.6% 0.3 0.3% -1.1 -6.2% 0.0 -0.3% 0.0 0.0%5 PAIUTEW5 5 4 70.2 397.9 298.6 102.7 16.7 3.1 0.1 70.2 347.0 265.7 102.7 16.7 3.1 0.1 0.0 -50.9 -12.8% -32.9 -11.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%5 PAIUTEW5 5 5 69.9 418.3 282.0 105.0 16.9 2.2 0.1 69.9 367.2 271.1 104.7 16.9 2.2 0.1 0.0 -51.1 -12.2% -10.9 -3.9% -0.3 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Cedar City Paiute Indian Reservation14 PAIUTE14 1 1 70.6 245.0 192.6 82.3 24.3 2.4 0.2 70.6 239.4 186.4 81.4 24.3 2.4 0.2 0.0 -5.6 -2.3% -6.2 -3.2% -0.9 -1.1% 0.0 -0.1% 0.0 0.0% 0.0 0.0%14 PAIUTE14 1 2 72.0 244.2 184.3 86.7 20.3 6.0 0.2 72.0 238.6 180.3 86.0 20.2 5.9 0.2 0.0 -5.6 -2.3% -4.0 -2.2% -0.7 -0.8% -0.1 -0.5% -0.1 -1.0% 0.0 0.0%14 PAIUTE14 2 1 69.2 234.5 183.4 67.8 11.3 1.2 0.2 69.2 229.3 179.7 67.0 11.4 1.2 0.2 0.0 -5.2 -2.2% -3.7 -2.0% -0.8 -1.1% 0.1 1.0% 0.0 0.0% 0.0 0.0%14 PAIUTE14 2 2 70.3 235.6 176.7 67.9 17.9 1.4 0.2 70.3 228.9 174.0 67.1 17.9 1.4 0.2 0.0 -6.7 -2.9% -2.7 -1.5% -0.8 -1.2% 0.0 0.1% 0.0 0.0% 0.0 0.0%14 PAIUTE14 3 1 70.1 232.5 176.9 48.3 8.8 1.1 0.2 70.1 225.9 174.3 47.9 8.8 1.1 0.2 0.0 -6.5 -2.8% -2.6 -1.5% -0.4 -0.7% 0.0 0.1% 0.0 0.0% 0.0 0.0%14 PAIUTE14 3 2 70.1 232.3 172.8 59.6 8.4 0.8 0.2 70.1 225.3 170.3 58.8 8.5 0.8 0.2 0.0 -6.9 -3.0% -2.5 -1.5% -0.8 -1.4% 0.1 0.7% 0.0 0.0% 0.0 0.0%
Paiute Wilderness4 BEAVER4 1 1 74.0 414.1 316.4 132.3 26.5 5.7 1.2 74.0 409.7 314.6 129.5 26.1 5.2 1.2 0.0 -4.4 -1.1% -1.9 -0.6% -2.8 -2.1% -0.4 -1.4% -0.5 -8.6% 0.0 0.0%4 BEAVER4 1 2 73.9 428.9 319.0 147.9 27.9 3.9 1.2 73.9 418.1 316.6 146.2 25.1 4.0 1.2 0.0 -10.7 -2.5% -2.4 -0.8% -1.8 -1.2% -2.8 -10.1% 0.1 3.7% 0.0 0.0%4 BEAVER4 2 1 74.4 394.2 296.3 121.3 31.1 5.7 1.4 74.4 390.8 294.7 119.1 31.4 5.0 1.4 0.0 -3.4 -0.9% -1.6 -0.5% -2.2 -1.8% 0.4 1.2% -0.6 -11.4% 0.0 0.0%4 BEAVER4 2 2 74.6 402.8 304.2 127.3 31.0 6.3 1.3 74.6 392.1 301.7 125.0 29.0 5.7 1.3 0.0 -10.7 -2.7% -2.4 -0.8% -2.3 -1.8% -2.0 -6.5% -0.6 -9.7% 0.0 0.0%4 BEAVER4 3 1 72.9 397.9 297.1 120.3 27.3 5.7 1.0 72.9 388.0 295.7 119.7 25.8 5.0 1.0 0.0 -9.9 -2.5% -1.4 -0.5% -0.6 -0.5% -1.6 -5.7% -0.7 -11.9% 0.0 0.0%4 BEAVER4 3 2 74.0 399.1 296.6 119.9 29.1 5.8 1.4 74.0 389.5 293.9 117.7 28.8 4.9 1.4 0.0 -9.5 -2.4% -2.7 -0.9% -2.1 -1.8% -0.3 -1.1% -0.9 -15.0% 0.0 0.0%4 BEAVER4 3 3 74.0 400.8 307.4 127.3 30.9 4.9 1.3 74.0 391.6 302.4 124.1 28.7 4.7 1.3 0.0 -9.2 -2.3% -5.0 -1.6% -3.2 -2.5% -2.1 -6.9% -0.2 -4.7% 0.0 0.0%4 BEAVER4 3 8 73.2 425.1 289.9 126.4 19.7 3.5 0.2 73.2 376.0 280.5 126.0 19.7 3.5 0.2 0.0 -49.1 -11.6% -9.5 -3.3% -0.5 -0.4% 0.0 -0.2% 0.0 0.0% 0.0 0.0%4 BEAVER4 4 1 71.9 384.6 285.3 116.1 23.8 4.0 1.0 71.9 376.1 284.0 115.3 23.2 4.0 1.0 0.0 -8.5 -2.2% -1.3 -0.5% -0.7 -0.6% -0.6 -2.5% 0.0 -0.7% 0.0 0.0%4 BEAVER4 4 2 72.9 391.8 292.7 120.6 24.4 4.9 1.0 72.9 383.0 288.4 119.6 23.9 4.0 1.0 0.0 -8.8 -2.2% -4.3 -1.5% -1.0 -0.8% -0.5 -2.0% -0.9 -18.6% 0.0 0.0%4 BEAVER4 4 4 74.0 435.2 301.1 126.9 27.3 4.1 1.3 74.0 387.1 290.8 123.9 24.3 4.1 1.3 0.0 -48.1 -11.1% -10.3 -3.4% -3.0 -2.3% -3.0 -11.1% 0.0 0.2% 0.0 0.0%4 BEAVER4 5 1 73.2 414.3 272.9 109.0 21.7 4.1 1.2 73.2 405.7 269.7 109.3 22.1 4.1 1.2 0.0 -8.6 -2.1% -3.3 -1.2% 0.4 0.3% 0.4 1.9% 0.0 -0.5% 0.0 0.0%4 BEAVER4 5 2 72.3 390.7 277.7 115.5 22.9 3.8 0.9 72.3 382.1 273.5 115.2 22.6 3.6 0.9 0.0 -8.6 -2.2% -4.2 -1.5% -0.3 -0.3% -0.3 -1.4% -0.1 -3.4% 0.0 0.0%4 BEAVER4 5 3 73.1 394.8 280.4 118.0 25.3 4.5 1.8 73.1 374.8 275.7 116.7 25.8 3.9 1.8 0.0 -20.0 -5.1% -4.7 -1.7% -1.3 -1.1% 0.6 2.2% -0.6 -14.0% 0.0 0.0%4 BEAVER4 5 4 73.7 430.1 301.9 122.4 27.3 9.1 1.4 73.7 395.9 292.0 119.4 25.4 7.8 1.4 0.0 -34.3 -8.0% -9.9 -3.3% -3.0 -2.4% -1.9 -7.0% -1.3 -14.6% 0.0 0.0%4 BEAVER4 6 3 71.9 425.0 282.1 118.6 17.7 3.7 0.9 71.9 391.4 273.5 119.5 17.1 3.5 0.9 0.0 -33.6 -7.9% -8.6 -3.1% 0.9 0.8% -0.6 -3.3% -0.2 -6.4% 0.0 0.0%2 PAIUTEW2 2 1 74.1 426.0 318.4 125.6 24.1 3.8 1.1 74.1 424.8 317.1 126.1 24.1 3.7 1.1 0.0 -1.2 -0.3% -1.3 -0.4% 0.5 0.4% 0.0 0.0% -0.1 -2.5% 0.0 0.0%2 PAIUTEW2 2 2 75.2 428.3 295.7 131.2 21.0 3.9 1.1 75.2 426.8 294.4 131.6 21.6 3.9 1.1 0.0 -1.5 -0.3% -1.3 -0.4% 0.4 0.3% 0.5 2.5% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 2 3 75.4 428.9 288.5 122.3 22.3 5.0 1.2 75.4 427.2 287.3 122.0 23.0 5.0 1.2 0.0 -1.8 -0.4% -1.2 -0.4% -0.3 -0.2% 0.7 3.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 2 4 74.3 438.6 294.7 121.8 24.4 5.0 1.2 74.3 436.8 293.1 120.5 24.4 5.1 1.2 0.0 -1.8 -0.4% -1.5 -0.5% -1.3 -1.1% 0.0 0.0% 0.0 1.0% 0.0 0.0%2 PAIUTEW2 3 1 73.3 426.8 301.6 124.2 24.5 2.9 1.1 73.3 425.6 300.3 124.8 24.5 3.0 1.1 0.0 -1.2 -0.3% -1.3 -0.4% 0.5 0.4% 0.0 0.0% 0.0 1.2% 0.0 0.0%2 PAIUTEW2 3 2 74.6 420.5 286.5 124.2 25.3 3.9 1.1 74.6 419.2 285.2 124.7 25.3 3.9 1.1 0.0 -1.3 -0.3% -1.3 -0.5% 0.5 0.4% 0.0 0.1% -0.1 -1.9% 0.0 0.0%2 PAIUTEW2 3 3 75.6 415.5 282.0 118.1 21.2 3.9 1.1 75.6 413.9 280.8 118.4 21.7 3.9 1.1 0.0 -1.6 -0.4% -1.2 -0.4% 0.3 0.2% 0.5 2.6% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 3 4 76.0 406.7 277.8 116.8 22.5 4.0 1.1 76.0 405.3 276.4 116.7 23.1 4.2 1.1 0.0 -1.3 -0.3% -1.4 -0.5% -0.1 -0.1% 0.6 2.7% 0.1 3.6% 0.0 0.0%2 PAIUTEW2 4 1 72.3 424.2 281.7 119.3 23.7 3.1 1.1 72.3 423.0 281.1 119.4 23.7 3.1 1.1 0.0 -1.2 -0.3% -0.6 -0.2% 0.0 0.0% 0.0 0.2% 0.0 0.7% 0.0 0.0%2 PAIUTEW2 4 2 73.6 417.3 298.2 124.0 24.6 3.8 1.1 73.6 416.0 297.0 124.5 24.5 3.8 1.1 0.0 -1.3 -0.3% -1.3 -0.4% 0.5 0.4% 0.0 0.0% 0.0 -0.1% 0.0 0.0%2 PAIUTEW2 4 3 75.3 401.6 268.7 119.3 24.9 4.0 1.1 75.3 400.4 267.2 119.9 25.4 4.0 1.1 0.0 -1.3 -0.3% -1.5 -0.5% 0.5 0.4% 0.5 2.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 4 4 76.2 404.4 269.0 109.1 21.3 3.5 1.1 76.2 403.1 267.4 109.7 21.9 3.6 1.1 0.0 -1.3 -0.3% -1.6 -0.6% 0.6 0.6% 0.6 2.7% 0.1 2.3% 0.0 0.0%2 PAIUTEW2 5 1 72.8 413.0 287.8 110.1 23.6 3.3 0.8 72.8 411.6 287.5 110.1 23.6 3.3 0.8 0.0 -1.3 -0.3% -0.3 -0.1% -0.1 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 5 2 72.6 418.2 283.6 116.6 24.1 2.9 1.1 72.6 416.4 283.7 116.7 24.1 3.0 1.1 0.0 -1.8 -0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.1 3.4% 0.0 0.0%2 PAIUTEW2 5 3 74.7 397.8 246.8 114.9 24.7 4.3 1.1 74.7 395.8 245.9 115.5 24.8 4.3 1.1 0.0 -1.9 -0.5% -1.0 -0.4% 0.5 0.5% 0.1 0.3% 0.0 -0.9% 0.0 -3.5%2 PAIUTEW2 5 4 76.0 399.8 261.4 118.2 25.2 4.2 1.1 76.0 396.3 260.2 118.7 25.8 4.2 1.1 0.0 -3.6 -0.9% -1.1 -0.4% 0.5 0.4% 0.6 2.2% 0.1 1.4% 0.0 0.0%2 PAIUTEW2 6 1 72.5 423.8 278.0 102.6 22.9 3.3 0.8 72.5 422.5 278.3 102.7 22.9 3.3 0.8 0.0 -1.4 -0.3% 0.3 0.1% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 6 2 72.9 407.8 275.5 115.4 23.0 3.1 0.8 72.9 406.0 275.1 115.5 23.1 3.1 0.8 0.0 -1.8 -0.5% -0.4 -0.1% 0.0 0.0% 0.1 0.5% 0.0 0.0% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2 PAIUTEW2 6 3 73.0 411.2 277.0 114.9 23.2 2.8 1.1 73.0 407.2 276.7 114.9 23.2 2.9 1.1 0.0 -4.0 -1.0% -0.3 -0.1% 0.1 0.0% 0.0 0.0% 0.1 1.8% 0.0 0.0%2 PAIUTEW2 6 4 74.6 401.5 246.3 112.0 23.0 4.0 1.0 74.6 397.8 245.2 112.6 23.0 3.9 1.0 0.0 -3.6 -0.9% -1.1 -0.4% 0.6 0.5% 0.1 0.2% -0.1 -3.1% 0.0 0.0%2 PAIUTEW2 7 2 72.3 403.7 270.5 106.4 23.0 3.3 0.8 72.3 403.1 271.4 106.5 23.0 3.3 0.8 0.0 -0.6 -0.2% 0.9 0.3% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 7 3 73.3 411.6 267.7 111.4 23.1 3.0 1.1 73.3 406.8 267.5 111.4 23.2 3.0 1.1 0.0 -4.8 -1.2% -0.2 -0.1% 0.1 0.0% 0.1 0.4% 0.0 0.1% 0.0 0.0%2 PAIUTEW2 7 4 73.9 428.8 238.6 110.2 24.2 3.2 1.2 73.9 425.2 237.6 110.7 24.2 3.2 1.2 0.0 -3.6 -0.8% -0.9 -0.4% 0.6 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 8 2 72.2 428.7 270.5 104.6 24.0 3.4 0.8 72.2 427.9 271.2 104.6 24.0 3.4 0.8 0.0 -0.8 -0.2% 0.7 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 8 3 72.0 432.4 271.0 103.3 22.6 3.0 0.8 72.0 428.7 271.3 103.2 22.6 3.0 0.8 0.0 -3.7 -0.9% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%2 PAIUTEW2 8 4 72.6 435.9 270.7 108.0 22.1 2.9 1.1 72.6 432.4 271.6 108.5 22.1 3.0 1.1 0.0 -3.5 -0.8% 0.8 0.3% 0.5 0.5% 0.0 0.0% 0.1 2.3% 0.0 0.0%2 PAIUTEW2 9 3 72.1 440.0 281.8 98.7 22.8 3.1 0.8 72.1 436.2 282.1 98.8 22.8 3.1 0.8 0.0 -3.7 -0.8% 0.3 0.1% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%3 PAIUTEW3 1 1 72.4 438.1 321.2 127.5 24.9 5.0 1.3 72.4 436.1 319.6 126.2 24.2 5.0 1.3 0.0 -2.0 -0.5% -1.6 -0.5% -1.2 -1.0% -0.7 -2.8% 0.0 -0.1% 0.0 0.0%3 PAIUTEW3 1 2 72.4 438.5 333.5 131.3 27.1 4.6 1.2 72.4 436.8 331.5 129.9 26.1 4.6 1.2 0.0 -1.7 -0.4% -2.0 -0.6% -1.4 -1.1% -1.0 -3.6% 0.0 -0.1% 0.0 0.0%3 PAIUTEW3 2 1 74.4 437.8 294.5 122.1 24.4 5.0 1.2 74.4 436.1 293.0 120.8 24.4 5.1 1.2 0.0 -1.8 -0.4% -1.5 -0.5% -1.3 -1.1% 0.0 0.0% 0.1 1.0% 0.0 0.0%3 PAIUTEW3 2 2 71.9 442.7 312.7 121.6 24.8 4.9 1.3 71.9 438.3 311.0 120.4 24.2 4.8 1.3 0.0 -4.4 -1.0% -1.7 -0.5% -1.2 -1.0% -0.6 -2.6% -0.1 -1.7% 0.0 0.0%3 PAIUTEW3 2 3 72.7 440.3 310.0 129.3 28.7 4.7 1.0 72.7 436.1 308.2 127.3 28.3 4.6 1.0 0.0 -4.2 -1.0% -1.8 -0.6% -2.1 -1.6% -0.5 -1.6% -0.1 -1.8% 0.0 0.0%3 PAIUTEW3 2 4 73.7 412.6 322.1 132.4 29.3 5.0 1.2 73.7 408.0 320.2 129.7 28.5 5.3 1.2 0.0 -4.6 -1.1% -1.8 -0.6% -2.6 -2.0% -0.7 -2.5% 0.3 6.7% 0.0 0.0%3 PAIUTEW3 2 5 74.0 430.7 326.2 144.1 29.0 3.8 1.2 74.0 426.3 323.9 141.0 27.2 3.8 1.2 0.0 -4.4 -1.0% -2.3 -0.7% -3.1 -2.1% -1.8 -6.2% 0.0 0.0% 0.0 0.0%3 PAIUTEW3 3 1 76.0 406.5 277.8 116.8 22.3 4.0 1.1 76.0 405.2 276.4 116.7 22.9 4.2 1.1 0.0 -1.3 -0.3% -1.4 -0.5% -0.1 -0.1% 0.6 2.7% 0.1 3.5% 0.0 0.0%3 PAIUTEW3 3 2 73.7 425.7 298.9 118.2 22.9 4.7 1.3 73.7 422.0 297.4 117.7 22.9 4.7 1.3 0.0 -3.7 -0.9% -1.6 -0.5% -0.5 -0.4% 0.0 0.1% 0.0 0.0% 0.0 0.0%3 PAIUTEW3 3 3 72.1 429.8 302.3 119.7 27.8 5.1 1.3 72.1 425.9 300.6 118.5 26.9 4.9 1.3 0.0 -3.9 -0.9% -1.7 -0.6% -1.2 -1.0% -0.8 -3.0% -0.1 -2.4% 0.0 0.0%3 PAIUTEW3 3 4 73.0 403.9 307.4 123.7 26.4 5.0 1.0 73.0 399.8 305.8 121.7 26.1 4.8 1.0 0.0 -4.1 -1.0% -1.5 -0.5% -2.0 -1.7% -0.2 -0.9% -0.1 -2.6% 0.0 0.0%3 PAIUTEW3 3 5 74.4 397.3 298.0 126.6 29.3 6.3 1.4 74.4 392.7 296.1 124.1 27.8 6.3 1.4 0.0 -4.6 -1.2% -1.9 -0.6% -2.5 -1.9% -1.5 -5.1% 0.0 -0.6% 0.0 0.0%3 PAIUTEW3 4 1 76.2 404.1 268.7 109.1 21.3 3.5 1.1 76.2 402.8 267.3 109.5 21.9 3.6 1.1 0.0 -1.3 -0.3% -1.4 -0.5% 0.4 0.4% 0.6 2.7% 0.1 2.3% 0.0 0.0%3 PAIUTEW3 4 2 75.2 410.9 276.6 116.7 22.8 4.1 1.1 75.2 407.4 275.4 116.4 23.3 4.3 1.1 0.0 -3.5 -0.8% -1.3 -0.5% -0.3 -0.2% 0.5 2.2% 0.1 2.8% 0.0 0.0%3 PAIUTEW3 4 3 73.8 409.7 282.4 118.3 22.9 4.0 1.3 73.8 406.0 281.1 118.3 23.0 4.0 1.3 0.0 -3.7 -0.9% -1.4 -0.5% 0.0 0.0% 0.0 0.2% 0.0 -1.2% 0.0 0.0%3 PAIUTEW3 4 4 72.7 389.8 298.7 121.6 27.5 5.4 1.0 72.7 386.0 297.3 120.6 26.8 5.2 1.0 0.0 -3.8 -1.0% -1.4 -0.5% -1.0 -0.8% -0.8 -2.7% -0.2 -3.8% 0.0 0.0%3 PAIUTEW3 4 5 73.7 400.0 297.5 122.0 27.3 5.6 1.0 73.7 390.3 295.7 119.9 26.4 5.0 1.0 0.0 -9.7 -2.4% -1.8 -0.6% -2.0 -1.6% -0.9 -3.3% -0.6 -10.4% 0.0 0.0%3 PAIUTEW3 5 1 76.0 400.2 262.9 118.2 25.2 4.2 1.1 76.0 396.6 261.8 118.7 25.8 4.2 1.1 0.0 -3.6 -0.9% -1.1 -0.4% 0.5 0.4% 0.6 2.2% 0.1 1.4% 0.0 0.0%3 PAIUTEW3 5 2 75.5 407.3 279.2 108.6 20.7 4.0 1.1 75.5 403.8 278.0 109.1 21.2 4.1 1.1 0.0 -3.4 -0.8% -1.2 -0.4% 0.5 0.4% 0.5 2.4% 0.1 1.5% 0.0 0.0%3 PAIUTEW3 5 3 74.2 416.6 271.0 113.4 21.9 3.7 1.2 74.2 412.8 269.8 113.2 22.6 3.8 1.2 0.0 -3.8 -0.9% -1.2 -0.5% -0.2 -0.2% 0.6 2.8% 0.0 1.3% 0.0 0.0%3 PAIUTEW3 5 4 72.4 418.8 285.8 115.0 22.5 3.8 1.2 72.4 409.5 284.5 115.4 21.8 3.8 1.2 0.0 -9.3 -2.2% -1.3 -0.4% 0.3 0.3% -0.8 -3.3% 0.0 -0.8% 0.0 0.0%3 PAIUTEW3 5 5 71.8 402.4 297.7 118.6 24.8 4.9 1.0 71.8 393.3 296.2 118.3 23.7 4.8 1.0 0.0 -9.0 -2.2% -1.6 -0.5% -0.3 -0.2% -1.1 -4.4% -0.1 -1.9% 0.0 0.0%3 PAIUTEW3 6 1 74.6 401.3 246.2 112.0 23.0 4.0 1.0 74.6 397.7 245.1 112.6 23.1 3.9 1.0 0.0 -3.6 -0.9% -1.1 -0.4% 0.6 0.5% 0.1 0.2% -0.1 -3.1% 0.0 0.0%3 PAIUTEW3 6 2 76.0 403.4 246.1 113.9 21.4 4.0 1.1 76.0 399.9 244.8 114.4 22.0 4.1 1.1 0.0 -3.5 -0.9% -1.3 -0.5% 0.5 0.4% 0.6 3.0% 0.1 2.3% 0.0 0.0%3 PAIUTEW3 6 3 75.7 416.3 265.6 109.0 20.3 4.1 1.1 75.7 413.0 264.9 108.7 20.8 4.2 1.1 0.0 -3.3 -0.8% -0.7 -0.3% -0.3 -0.3% 0.5 2.5% 0.1 2.2% 0.0 0.0%3 PAIUTEW3 6 4 74.1 426.5 271.9 107.4 21.2 3.9 1.2 74.1 418.3 271.3 107.5 21.8 3.9 1.2 0.0 -8.2 -1.9% -0.7 -0.3% 0.1 0.1% 0.6 2.8% 0.1 2.0% 0.0 0.0%3 PAIUTEW3 6 5 72.0 397.0 278.9 113.6 22.6 4.1 1.2 72.0 387.8 277.5 114.5 21.7 4.1 1.2 0.0 -9.1 -2.3% -1.4 -0.5% 0.9 0.8% -0.9 -3.8% 0.0 -0.8% 0.0 0.0%3 PAIUTEW3 7 1 73.9 424.9 238.5 110.2 24.2 3.2 1.2 73.9 421.3 237.5 110.7 24.2 3.2 1.2 0.0 -3.6 -0.8% -0.9 -0.4% 0.6 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.5%3 PAIUTEW3 7 2 75.4 423.3 245.0 108.0 23.1 4.0 1.0 75.4 419.9 244.4 108.5 23.6 4.0 1.0 0.0 -3.4 -0.8% -0.6 -0.3% 0.5 0.4% 0.5 2.2% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 7 71.6 457.3 306.1 108.3 23.7 3.5 1.0 71.6 455.9 306.4 108.4 23.7 3.5 1.0 0.0 -1.4 -0.3% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 7 8 71.7 444.8 303.0 121.3 24.4 3.2 0.8 71.7 443.7 302.3 121.2 24.4 3.2 0.8 0.0 -1.2 -0.3% -0.7 -0.2% 0.0 0.0% 0.1 0.4% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 7 72.7 467.5 298.8 104.2 24.1 3.3 1.0 72.7 466.6 298.6 104.2 24.1 3.3 1.0 0.0 -0.8 -0.2% -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 8 8 72.6 429.3 292.6 108.1 24.4 3.4 0.8 72.6 428.0 291.7 108.1 24.4 3.4 0.8 0.0 -1.3 -0.3% -0.9 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 9 8 72.8 445.9 289.9 104.4 23.7 3.3 1.0 72.8 444.9 290.2 104.4 23.7 3.3 1.0 0.0 -1.0 -0.2% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%1 PARSHAN1 10 3 71.1 485.4 363.1 148.9 23.5 5.5 0.8 71.1 484.9 363.0 148.8 23.5 5.5 0.8 0.0 -0.4 -0.1% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Parunuweap WSA31 PARUNW31 1 2 74.4 324.8 250.2 137.7 21.5 2.7 -114.5 74.4 325.9 250.7 138.3 21.5 2.7 0.7 0.0 1.1 0.3% 0.6 0.2% 0.6 0.4% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 1 3 73.9 323.6 250.1 128.7 17.7 3.0 -117.5 73.9 324.7 250.8 128.8 17.7 3.0 0.5 0.0 1.1 0.3% 0.7 0.3% 0.1 0.0% 0.0 -0.1% 0.0 -0.4% 0.0 -100.5%31 PARUNW31 1 4 72.3 327.3 243.3 124.7 19.4 2.3 -118.8 72.3 327.9 243.7 124.7 19.4 2.3 0.2 0.0 0.7 0.2% 0.4 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -100.2%31 PARUNW31 1 5 71.1 310.8 241.4 114.9 26.9 2.0 -110.4 71.1 311.9 242.0 115.0 26.9 2.0 0.2 0.0 1.1 0.3% 0.6 0.3% 0.1 0.1% 0.0 0.1% 0.0 0.0% 0.0 -100.2%31 PARUNW31 1 6 71.1 296.8 228.5 106.2 26.9 2.0 -105.3 71.1 297.2 229.1 106.3 27.0 2.0 0.3 0.0 0.4 0.1% 0.6 0.3% 0.2 0.2% 0.1 0.3% 0.1 3.3% 0.0 -100.3%31 PARUNW31 2 2 73.9 313.1 247.1 118.2 21.6 2.6 -113.4 73.9 314.1 247.6 118.7 21.6 2.6 0.7 0.0 1.0 0.3% 0.6 0.2% 0.5 0.4% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 2 3 74.2 309.2 239.3 122.7 16.1 2.5 -113.0 74.2 309.9 240.0 122.7 16.1 2.5 0.7 0.0 0.7 0.2% 0.7 0.3% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 2 4 73.5 302.0 238.6 116.6 18.2 2.1 -110.6 73.5 303.1 238.9 116.6 18.2 2.1 0.6 0.0 1.0 0.3% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -100.5%31 PARUNW31 2 5 72.0 309.9 235.0 112.0 24.0 2.0 -111.4 72.0 310.7 235.2 112.0 24.0 2.0 0.3 0.0 0.8 0.2% 0.2 0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 -100.3%31 PARUNW31 2 6 72.7 298.8 229.8 104.6 27.1 1.8 -106.6 72.7 299.8 230.4 104.6 27.1 1.9 0.2 0.0 1.0 0.3% 0.6 0.2% 0.0 0.0% 0.1 0.3% 0.1 3.6% 0.0 -100.2%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
31 PARUNW31 3 1 71.2 296.9 234.3 117.2 18.0 2.1 -108.0 71.2 297.8 235.4 117.8 18.0 2.1 0.8 0.0 0.9 0.3% 1.1 0.4% 0.5 0.5% 0.0 0.2% 0.0 0.0% 0.0 -100.7%31 PARUNW31 3 2 72.9 303.7 229.8 114.0 18.0 2.0 -111.0 72.9 304.9 230.3 114.5 18.0 2.0 0.7 0.0 1.2 0.4% 0.5 0.2% 0.5 0.4% 0.0 0.0% 0.0 0.0% 0.0 -100.6%31 PARUNW31 3 3 74.0 301.9 236.9 122.2 20.1 3.0 -107.6 74.0 302.7 237.4 122.2 20.1 3.0 0.6 0.0 0.8 0.3% 0.6 0.2% 0.0 0.0% 0.0 -0.1% 0.0 -0.4% 0.0 -100.6%31 PARUNW31 3 4 74.1 302.3 233.4 114.7 16.0 1.9 -111.8 74.1 303.2 233.6 114.7 16.0 1.9 0.6 0.0 0.9 0.3% 0.1 0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.5%31 PARUNW31 3 5 73.6 299.3 233.0 106.9 19.3 2.0 -110.4 73.6 300.0 233.1 106.9 19.3 2.0 0.5 0.0 0.7 0.2% 0.1 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 -100.4%31 PARUNW31 3 6 72.4 287.1 231.0 105.2 27.1 2.1 -101.7 72.4 288.1 231.2 105.2 27.2 2.1 0.2 0.0 1.0 0.3% 0.3 0.1% 0.1 0.0% 0.1 0.3% 0.0 0.0% 0.0 -100.2%31 PARUNW31 3 7 71.9 277.9 227.2 113.3 27.6 2.1 -95.7 71.9 278.9 227.5 113.3 27.7 2.2 0.1 0.0 1.0 0.3% 0.3 0.1% 0.0 0.0% 0.1 0.2% 0.1 3.1% 0.0 -100.2%31 PARUNW31 4 1 72.8 285.4 236.6 111.6 18.7 2.0 -104.5 72.8 286.2 237.8 112.1 18.7 2.0 0.7 0.0 0.8 0.3% 1.1 0.5% 0.5 0.4% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 4 2 72.5 297.2 232.8 107.0 19.9 2.0 -109.2 72.5 298.3 233.5 107.5 19.9 2.0 0.7 0.0 1.1 0.4% 0.7 0.3% 0.5 0.4% 0.0 0.0% 0.0 0.0% 0.0 -100.6%31 PARUNW31 4 3 73.3 293.1 233.5 105.1 19.6 2.1 -108.1 73.3 293.8 234.0 105.1 19.6 2.1 0.6 0.0 0.7 0.2% 0.5 0.2% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 4 4 74.1 295.1 233.9 110.8 15.3 2.4 -109.7 74.1 295.7 234.1 110.8 15.3 2.4 0.6 0.0 0.6 0.2% 0.1 0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.5%31 PARUNW31 4 5 74.1 291.6 236.6 109.1 19.2 2.0 -107.3 74.1 291.9 236.6 109.1 19.2 2.0 0.5 0.0 0.4 0.1% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -100.4%31 PARUNW31 4 6 73.1 288.4 230.1 98.1 18.5 2.1 -107.8 73.1 289.0 230.1 98.1 18.6 2.1 0.5 0.0 0.6 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 -100.5%31 PARUNW31 4 7 72.0 280.0 225.9 99.2 27.6 2.0 -99.4 72.0 280.9 226.1 99.2 27.7 2.1 0.1 0.0 0.9 0.3% 0.2 0.1% 0.0 0.0% 0.1 0.2% 0.1 3.3% 0.0 -100.1%31 PARUNW31 5 1 72.5 285.8 233.9 106.9 19.4 1.7 -105.2 72.5 286.6 234.9 107.4 19.4 1.7 0.6 0.0 0.8 0.3% 1.1 0.5% 0.5 0.5% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 5 2 71.8 291.3 232.7 100.7 16.8 2.0 -109.6 71.8 292.4 233.2 101.1 16.8 2.0 0.6 0.0 1.1 0.4% 0.5 0.2% 0.5 0.5% 0.0 0.0% 0.0 0.0% 0.0 -100.6%31 PARUNW31 5 3 72.0 296.2 228.6 96.0 19.6 2.0 -110.8 72.0 296.8 229.0 96.0 19.6 2.0 0.6 0.0 0.6 0.2% 0.4 0.2% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 5 4 73.4 297.5 233.2 93.9 18.0 2.0 -112.9 73.4 297.9 233.3 93.9 18.0 2.0 0.6 0.0 0.5 0.2% 0.1 0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.5%31 PARUNW31 5 5 74.4 293.6 235.7 102.2 13.6 2.3 -111.9 74.4 293.6 235.8 102.2 13.6 2.3 0.6 0.0 0.0 0.0% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -100.5%31 PARUNW31 5 6 74.0 292.7 230.8 100.5 20.9 1.7 -108.2 74.0 292.8 230.8 100.5 20.9 1.7 0.5 0.0 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -100.4%31 PARUNW31 6 2 71.6 285.7 229.0 92.5 17.0 1.4 -109.0 71.6 286.7 229.6 92.9 17.0 1.4 0.7 0.0 1.0 0.4% 0.6 0.3% 0.4 0.4% 0.0 0.0% 0.0 0.0% 0.0 -100.6%31 PARUNW31 6 3 71.1 296.9 229.7 95.5 18.1 1.8 -112.2 71.1 297.4 230.1 95.5 18.1 1.8 0.7 0.0 0.5 0.2% 0.4 0.2% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%31 PARUNW31 6 4 72.3 304.5 216.8 97.3 19.7 1.8 -112.8 72.3 305.0 216.9 97.2 19.7 1.8 0.6 0.0 0.5 0.2% 0.1 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.5%31 PARUNW31 7 3 70.6 290.2 228.9 89.0 18.4 1.4 -110.8 70.6 290.6 229.3 89.0 18.4 1.4 0.6 0.0 0.4 0.1% 0.4 0.2% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 -100.6%
Pine Valley Mountain Wilderness10 PINEV10 1 1 72.3 271.5 196.8 80.3 12.6 2.4 0.1 72.3 264.4 192.3 76.4 10.7 2.3 0.1 0.0 -7.1 -2.6% -4.4 -2.2% -4.0 -4.9% -1.9 -15.1% -0.1 -5.6% 0.0 0.0%10 PINEV10 1 2 70.9 286.2 192.4 81.5 16.0 2.0 0.1 70.9 278.9 187.3 78.7 13.7 1.9 0.1 0.0 -7.4 -2.6% -5.1 -2.7% -2.8 -3.4% -2.4 -14.7% 0.0 -1.0% 0.0 0.0%10 PINEV10 2 1 74.6 266.2 180.5 78.4 13.9 2.2 0.1 74.6 260.9 176.4 76.3 12.5 2.0 0.1 0.0 -5.3 -2.0% -4.1 -2.2% -2.1 -2.7% -1.3 -9.5% -0.2 -10.0% 0.0 2.1%10 PINEV10 2 2 72.8 284.0 190.9 84.3 14.3 2.0 0.1 72.8 280.3 187.3 80.5 12.0 2.0 0.1 0.0 -3.7 -1.3% -3.6 -1.9% -3.7 -4.4% -2.4 -16.5% 0.0 -1.6% 0.0 0.0%10 PINEV10 2 3 71.4 283.7 189.4 88.1 13.9 2.1 0.1 71.4 279.3 185.2 84.1 11.7 2.1 0.1 0.0 -4.4 -1.6% -4.2 -2.2% -4.0 -4.6% -2.2 -16.1% 0.0 -0.2% 0.0 0.0%10 PINEV10 3 1 75.1 272.9 169.3 69.1 15.2 2.6 0.1 75.1 266.8 165.9 69.0 12.9 2.3 0.1 0.0 -6.1 -2.2% -3.5 -2.1% -0.1 -0.2% -2.3 -15.0% -0.3 -11.9% 0.0 0.0%10 PINEV10 3 2 74.8 269.0 179.9 74.0 15.2 2.4 0.1 74.8 264.7 175.7 73.8 12.4 2.2 0.1 0.0 -4.3 -1.6% -4.2 -2.3% -0.2 -0.2% -2.9 -18.8% -0.2 -9.3% 0.0 0.0%10 PINEV10 3 3 74.0 265.9 193.1 80.4 16.5 2.4 0.1 74.0 261.9 189.4 78.4 13.9 2.5 0.1 0.0 -4.1 -1.5% -3.7 -1.9% -2.0 -2.5% -2.7 -16.1% 0.0 1.5% 0.0 0.0%10 PINEV10 4 1 74.3 252.3 181.1 70.5 16.8 2.0 0.3 74.3 249.2 178.5 68.0 16.8 1.6 0.3 0.0 -3.1 -1.2% -2.6 -1.5% -2.4 -3.5% 0.1 0.3% -0.4 -18.8% 0.0 -2.8%10 PINEV10 4 2 74.7 260.3 192.5 70.7 18.2 1.3 0.1 74.7 256.1 189.9 69.0 17.8 1.3 0.1 0.0 -4.1 -1.6% -2.6 -1.4% -1.7 -2.4% -0.4 -2.0% 0.0 1.5% 0.0 0.0%10 PINEV10 4 3 74.5 265.2 195.2 86.6 18.4 2.4 0.1 74.5 260.6 191.9 85.5 16.2 2.3 0.1 0.0 -4.7 -1.8% -3.3 -1.7% -1.1 -1.3% -2.2 -12.2% 0.0 -0.8% 0.0 0.0%10 PINEV10 4 4 73.9 269.4 199.0 91.1 17.5 3.0 0.1 73.9 265.4 195.8 90.9 14.3 3.1 0.1 0.0 -3.9 -1.5% -3.1 -1.6% -0.2 -0.2% -3.2 -18.3% 0.0 0.2% 0.0 0.0%10 PINEV10 5 1 73.0 255.2 190.5 84.8 16.0 2.0 0.2 73.0 251.1 187.2 80.7 14.5 1.9 0.2 0.0 -4.1 -1.6% -3.2 -1.7% -4.2 -4.9% -1.5 -9.3% -0.1 -3.6% 0.0 0.0%10 PINEV10 5 2 74.0 260.0 193.1 83.8 17.0 2.0 0.3 74.0 256.8 190.4 79.4 15.5 2.0 0.3 0.0 -3.1 -1.2% -2.8 -1.4% -4.3 -5.2% -1.4 -8.5% 0.0 0.6% 0.0 0.0%10 PINEV10 5 3 73.4 271.0 199.3 81.7 19.8 1.2 0.3 73.4 266.6 196.7 78.5 18.8 1.2 0.3 0.0 -4.4 -1.6% -2.6 -1.3% -3.3 -4.0% -1.0 -5.0% 0.0 0.5% 0.0 0.0%10 PINEV10 5 4 73.8 271.9 198.9 91.2 19.7 2.1 0.1 73.8 268.1 196.1 89.1 19.6 2.1 0.1 0.0 -3.8 -1.4% -2.8 -1.4% -2.1 -2.3% -0.1 -0.4% 0.0 0.0% 0.0 0.0%7 PINEV7 2 2 73.5 298.9 192.9 71.4 12.3 3.2 0.2 73.5 291.8 184.3 69.7 11.5 2.3 0.1 0.0 -7.2 -2.4% -8.6 -4.5% -1.6 -2.3% -0.8 -6.2% -0.9 -28.5% -0.1 -36.3%7 PINEV7 3 1 73.3 308.1 167.6 53.8 12.4 2.9 0.3 73.3 293.1 163.2 52.6 11.3 2.6 0.2 0.0 -14.9 -4.9% -4.4 -2.6% -1.3 -2.4% -1.1 -8.6% -0.2 -8.4% 0.0 -1.5%7 PINEV7 3 2 74.4 292.2 162.8 60.2 12.8 3.2 0.2 74.4 285.9 157.2 58.2 11.9 3.1 0.1 0.0 -6.3 -2.1% -5.6 -3.5% -2.0 -3.3% -0.9 -7.0% 0.0 -0.6% -0.1 -41.8%7 PINEV7 4 1 72.8 302.6 172.8 56.4 12.3 2.1 0.3 72.8 296.5 167.6 55.5 11.2 1.5 0.3 0.0 -6.1 -2.0% -5.3 -3.0% -0.9 -1.5% -1.2 -9.4% -0.6 -26.6% 0.0 0.0%7 PINEV7 4 2 74.0 281.0 164.1 53.2 11.7 2.9 0.3 74.0 276.2 159.3 52.0 11.0 1.8 0.3 0.0 -4.8 -1.7% -4.8 -2.9% -1.2 -2.2% -0.8 -6.5% -1.1 -38.3% 0.0 -6.4%7 PINEV7 5 2 72.1 276.8 171.6 58.3 11.4 1.6 0.3 72.1 271.1 168.6 58.3 10.0 1.5 0.3 0.0 -5.8 -2.1% -3.0 -1.8% 0.0 0.1% -1.5 -12.9% -0.1 -8.8% 0.0 0.0%8 PINEV8 1 3 71.4 311.0 202.3 72.0 19.4 3.4 0.1 71.4 301.8 198.0 69.4 17.3 2.2 0.1 0.0 -9.2 -3.0% -4.4 -2.2% -2.6 -3.6% -2.1 -10.9% -1.2 -34.9% 0.0 -19.5%8 PINEV8 2 1 73.5 298.9 192.9 71.4 12.3 3.2 0.2 73.5 291.8 184.3 69.7 11.5 2.3 0.1 0.0 -7.2 -2.4% -8.6 -4.5% -1.6 -2.3% -0.8 -6.2% -0.9 -28.5% -0.1 -36.3%8 PINEV8 2 2 72.5 299.7 189.1 73.8 12.4 3.4 0.2 72.5 291.8 184.4 71.5 10.8 2.1 0.1 0.0 -7.8 -2.6% -4.8 -2.5% -2.3 -3.1% -1.6 -12.8% -1.2 -37.1% -0.1 -57.2%8 PINEV8 2 3 72.1 297.0 177.6 72.3 20.2 2.7 0.3 72.1 289.0 173.2 70.4 18.8 2.2 0.1 0.0 -8.0 -2.7% -4.4 -2.5% -1.8 -2.6% -1.4 -6.8% -0.6 -20.7% -0.1 -54.6%8 PINEV8 3 1 74.4 292.2 162.8 60.2 12.8 3.2 0.2 74.4 285.9 157.2 58.2 11.9 3.1 0.1 0.0 -6.3 -2.1% -5.6 -3.5% -2.0 -3.3% -0.9 -7.0% 0.0 -0.6% -0.1 -41.8%8 PINEV8 3 2 74.9 280.4 173.9 65.5 12.1 3.3 0.4 74.9 274.4 169.8 63.5 11.8 3.3 0.2 0.0 -6.0 -2.1% -4.0 -2.3% -2.0 -3.1% -0.3 -2.5% 0.0 -1.2% -0.2 -57.2%8 PINEV8 3 3 73.0 287.4 193.9 73.9 11.7 3.5 0.1 73.0 280.6 189.6 70.9 10.6 2.1 0.1 0.0 -6.9 -2.4% -4.4 -2.2% -3.0 -4.1% -1.1 -9.2% -1.4 -40.4% 0.0 6.4%8 PINEV8 4 1 74.0 281.0 164.1 53.2 11.7 2.9 0.3 74.0 276.2 159.3 52.0 11.0 1.8 0.3 0.0 -4.8 -1.7% -4.8 -2.9% -1.2 -2.2% -0.8 -6.5% -1.1 -38.3% 0.0 -6.4%8 PINEV8 4 2 78.1 266.6 158.0 53.4 13.2 2.9 0.3 75.9 261.2 155.5 52.1 12.4 3.0 0.2 -2.2 -5.5 -2.1% -2.5 -1.6% -1.3 -2.4% -0.8 -6.3% 0.1 2.7% 0.0 -13.6%8 PINEV8 4 3 74.4 270.9 181.9 68.4 13.3 2.9 0.1 74.4 266.2 177.8 65.9 11.9 2.2 0.1 0.0 -4.7 -1.7% -4.1 -2.3% -2.6 -3.7% -1.4 -10.5% -0.6 -21.2% 0.0 -3.2%8 PINEV8 5 1 72.1 276.8 171.6 58.3 11.4 1.6 0.3 72.1 271.1 168.6 58.3 10.0 1.5 0.3 0.0 -5.8 -2.1% -3.0 -1.8% 0.0 0.1% -1.5 -12.9% -0.1 -8.8% 0.0 0.0%8 PINEV8 5 2 74.2 256.0 159.5 58.8 12.2 3.6 0.7 74.2 250.9 157.3 57.5 10.2 1.9 0.3 0.0 -5.0 -2.0% -2.2 -1.4% -1.2 -2.1% -2.0 -16.1% -1.6 -46.2% -0.4 -58.5%8 PINEV8 5 3 74.4 262.2 166.4 59.9 13.0 2.4 0.1 74.4 257.7 163.3 57.9 10.5 2.0 0.1 0.0 -4.4 -1.7% -3.1 -1.9% -2.0 -3.3% -2.5 -18.9% -0.4 -18.0% 0.0 -13.3%8 PINEV8 6 2 71.3 253.1 164.0 63.9 12.1 2.0 0.2 71.3 247.6 161.2 62.6 12.2 1.6 0.2 0.0 -5.5 -2.2% -2.8 -1.7% -1.3 -2.1% 0.1 0.6% -0.4 -21.9% 0.0 0.0%8 PINEV8 6 3 73.7 242.0 162.5 65.9 12.3 2.7 0.3 73.7 238.4 159.9 64.9 12.4 1.8 0.3 0.0 -3.6 -1.5% -2.6 -1.6% -1.0 -1.6% 0.1 0.7% -0.9 -33.8% 0.0 -2.7%8 PINEV8 7 2 72.4 275.4 171.6 63.8 12.1 1.6 0.2 72.4 270.2 168.2 61.0 10.9 1.6 0.2 0.0 -5.2 -1.9% -3.3 -1.9% -2.8 -4.3% -1.2 -9.6% 0.0 1.8% 0.0 0.0%8 PINEV8 7 3 70.7 259.0 164.8 67.9 13.2 2.4 0.2 70.7 254.9 161.9 65.4 12.0 2.6 0.2 0.0 -4.2 -1.6% -2.9 -1.8% -2.5 -3.7% -1.1 -8.6% 0.2 9.2% 0.0 0.0%8 PINEV8 8 3 71.2 271.0 192.8 62.0 13.6 1.8 0.2 71.2 267.0 188.0 58.7 12.7 1.8 0.2 0.0 -4.0 -1.5% -4.8 -2.5% -3.3 -5.4% -0.9 -6.8% 0.0 -0.1% 0.0 0.0%9 PINEV9 1 1 71.4 309.7 202.3 72.0 19.4 3.4 0.1 71.4 300.4 198.0 69.4 17.3 2.2 0.1 0.0 -9.2 -3.0% -4.4 -2.2% -2.6 -3.6% -2.1 -10.9% -1.2 -34.9% 0.0 -19.5%9 PINEV9 2 1 72.1 297.0 177.6 72.3 20.2 2.7 0.3 72.1 289.0 173.2 70.4 18.8 2.2 0.1 0.0 -8.0 -2.7% -4.4 -2.5% -1.8 -2.6% -1.4 -6.8% -0.6 -20.7% -0.1 -54.6%9 PINEV9 3 1 73.0 287.4 193.9 73.9 11.7 3.5 0.1 73.0 280.6 189.6 70.9 10.6 2.1 0.1 0.0 -6.9 -2.4% -4.4 -2.2% -3.0 -4.1% -1.1 -9.2% -1.4 -40.4% 0.0 6.4%9 PINEV9 4 1 74.4 270.9 181.9 68.4 13.3 2.9 0.1 74.4 266.2 177.8 65.8 11.9 2.2 0.1 0.0 -4.7 -1.7% -4.1 -2.3% -2.6 -3.7% -1.4 -10.5% -0.6 -21.2% 0.0 -3.2%9 PINEV9 4 3 71.9 278.4 198.4 79.7 12.9 2.3 0.1 71.9 271.3 193.8 76.2 10.4 2.3 0.1 0.0 -7.2 -2.6% -4.6 -2.3% -3.4 -4.3% -2.5 -19.5% -0.1 -3.1% 0.0 0.0%9 PINEV9 5 1 74.4 262.2 166.4 59.9 13.0 2.4 0.1 74.4 257.7 163.3 57.9 10.5 2.0 0.1 0.0 -4.4 -1.7% -3.1 -1.9% -2.0 -3.3% -2.5 -18.9% -0.4 -18.0% 0.0 -13.3%9 PINEV9 5 2 74.9 265.8 168.7 71.3 13.8 2.4 0.1 74.9 261.5 165.4 69.6 12.7 2.0 0.1 0.0 -4.3 -1.6% -3.3 -1.9% -1.7 -2.4% -1.1 -8.0% -0.5 -19.2% 0.0 0.0%9 PINEV9 5 3 74.4 269.4 183.8 77.1 12.8 1.9 0.1 74.4 264.1 179.0 74.2 11.2 1.9 0.1 0.0 -5.3 -2.0% -4.7 -2.6% -2.9 -3.8% -1.6 -12.5% -0.1 -2.9% 0.0 -1.4%9 PINEV9 6 1 73.7 242.0 162.6 65.9 12.4 2.7 0.3 73.7 238.4 159.9 64.9 12.5 1.8 0.3 0.0 -3.6 -1.5% -2.6 -1.6% -1.0 -1.6% 0.1 0.7% -0.9 -33.8% 0.0 -2.7%9 PINEV9 6 2 74.9 262.4 168.1 65.7 13.4 1.9 0.3 74.9 257.3 165.1 65.4 12.3 1.0 0.3 0.0 -5.1 -1.9% -3.0 -1.8% -0.2 -0.4% -1.1 -8.0% -0.9 -47.9% 0.0 0.0%9 PINEV9 6 3 75.4 271.6 169.4 68.7 15.3 2.9 0.1 75.4 265.6 166.0 68.6 13.0 2.3 0.1 0.0 -6.0 -2.2% -3.4 -2.0% -0.1 -0.1% -2.3 -15.3% -0.7 -22.7% 0.0 0.0%9 PINEV9 7 1 70.7 259.0 164.8 67.9 13.2 2.4 0.2 70.7 254.9 161.9 65.4 12.0 2.6 0.2 0.0 -4.2 -1.6% -2.9 -1.8% -2.5 -3.7% -1.1 -8.6% 0.2 9.2% 0.0 0.0%9 PINEV9 7 2 72.5 250.5 171.1 71.0 15.7 1.8 0.3 72.5 245.2 167.9 68.1 14.4 1.8 0.3 0.0 -5.3 -2.1% -3.1 -1.8% -2.9 -4.1% -1.4 -8.7% 0.0 -0.9% 0.0 0.0%9 PINEV9 7 3 74.8 251.2 180.0 67.9 17.5 2.3 0.3 74.8 248.0 177.4 66.8 17.3 1.5 0.3 0.0 -3.2 -1.3% -2.6 -1.4% -1.1 -1.6% -0.1 -0.7% -0.8 -35.7% 0.0 -2.8%
Pipe Spring NM17 KAIBAB17 3 2 73.0 295.5 239.0 105.3 14.1 2.3 1.0 73.0 296.0 239.4 105.4 14.1 2.3 1.0 0.0 0.5 0.2% 0.5 0.2% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 3 3 71.4 296.8 239.0 113.0 17.7 2.3 1.1 71.4 297.1 239.5 113.2 17.7 2.3 1.1 0.0 0.3 0.1% 0.5 0.2% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 2 73.8 296.5 223.7 109.1 15.9 2.3 1.2 73.8 296.8 224.1 109.1 15.9 2.3 1.2 0.0 0.3 0.1% 0.5 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%17 KAIBAB17 4 3 72.7 299.4 223.1 115.8 18.0 2.2 1.0 72.7 299.7 223.6 116.0 18.0 2.2 1.0 0.0 0.3 0.1% 0.5 0.2% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Quail Creek SP38 COTTON38 6 1 73.1 335.5 206.7 69.6 20.8 2.6 0.7 73.1 332.9 205.7 67.4 20.4 2.9 0.7 0.0 -2.7 -0.8% -1.0 -0.5% -2.2 -3.1% -0.4 -1.7% 0.3 12.1% 0.0 0.0%38 COTTON38 6 2 73.1 328.6 204.2 71.5 23.6 4.0 0.3 73.1 325.2 200.4 67.8 18.8 3.1 0.3 0.0 -3.4 -1.0% -3.7 -1.8% -3.7 -5.2% -4.8 -20.2% -0.9 -23.2% 0.0 0.0%
Table B.25Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2010 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
LAmax 2010 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2010
Legend
LA(max) 2010 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2010
LA(max) 2010 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Red Butte WSA13 ZION13 3 1 74.3 261.3 192.1 88.3 13.9 3.7 0.4 74.3 255.2 186.6 85.9 13.8 3.7 0.4 0.0 -6.1 -2.3% -5.5 -2.8% -2.5 -2.8% -0.1 -10.9% 0.0 0.0% 0.0 0.0%
Red Mountain WSA39 REDMTN39 1 2 70.0 402.2 300.4 103.7 16.8 2.2 0.1 70.0 351.3 267.4 103.7 16.8 2.2 0.1 0.0 -50.9 -12.7% -33.0 -11.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%39 REDMTN39 1 3 69.9 415.3 282.8 113.2 17.1 2.2 0.1 69.9 364.4 271.9 112.7 17.1 2.2 0.1 0.0 -50.9 -12.3% -10.9 -3.8% -0.5 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%39 REDMTN39 2 1 72.5 416.1 303.8 92.4 17.2 3.0 0.1 72.5 390.1 252.3 84.7 16.9 3.0 0.1 0.0 -26.0 -6.3% -51.5 -17.0% -7.6 -8.3% -0.3 -1.5% 0.0 -0.4% 0.0 0.0%39 REDMTN39 2 2 71.0 402.6 306.2 87.9 16.6 2.2 0.1 71.0 351.5 254.7 87.8 16.6 2.2 0.1 0.0 -51.1 -12.7% -51.6 -16.8% -0.2 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%39 REDMTN39 2 3 70.7 384.5 264.0 89.1 16.5 2.4 0.1 70.7 333.4 254.5 88.5 16.5 2.4 0.1 0.0 -51.1 -13.3% -9.6 -3.6% -0.6 -0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%40 REDMTN40 1 1 69.7 400.4 311.3 145.6 23.8 3.8 1.2 69.7 367.3 304.3 145.5 23.7 3.8 1.2 0.0 -33.0 -8.3% -7.0 -2.3% 0.0 0.0% 0.0 -0.2% -0.1 -1.8% 0.0 0.0%40 REDMTN40 1 2 70.8 373.5 313.4 147.9 23.4 3.5 1.3 70.8 365.0 306.1 147.8 23.3 3.4 1.3 0.0 -8.5 -2.3% -7.3 -2.3% -0.1 0.0% 0.0 -0.1% -0.1 -1.9% 0.0 0.0%40 REDMTN40 1 3 71.8 365.7 288.1 143.3 18.4 3.3 1.3 71.8 357.2 280.7 143.3 18.4 3.3 1.3 0.0 -8.5 -2.3% -7.5 -2.6% 0.0 0.0% 0.0 -0.2% 0.0 0.0% 0.0 0.0%40 REDMTN40 2 1 68.9 417.6 300.5 129.8 20.6 2.5 0.2 68.9 366.9 289.5 129.7 20.6 2.5 0.2 0.0 -50.6 -12.1% -11.0 -3.7% 0.0 0.0% -0.1 -0.3% 0.0 0.0% 0.0 0.0%40 REDMTN40 2 2 69.0 392.5 310.0 128.3 21.0 2.4 1.2 69.0 360.6 302.9 128.3 20.9 2.4 1.2 0.0 -31.9 -8.1% -7.1 -2.3% 0.0 0.0% -0.1 -0.3% 0.0 0.0% 0.0 0.0%40 REDMTN40 2 3 70.1 364.0 295.0 122.8 20.6 3.5 1.3 70.1 355.0 287.8 122.8 20.6 3.5 1.3 0.0 -8.9 -2.5% -7.2 -2.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%40 REDMTN40 3 1 69.9 415.3 282.8 113.2 17.1 2.2 0.1 69.9 364.4 271.9 112.7 17.1 2.2 0.1 0.0 -50.9 -12.3% -10.9 -3.8% -0.5 -0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%40 REDMTN40 3 2 69.2 410.0 279.6 108.1 18.5 2.4 0.1 69.2 358.7 268.4 108.1 18.5 2.4 0.1 0.0 -51.3 -12.5% -11.2 -4.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%40 REDMTN40 3 3 70.0 362.2 286.4 105.0 20.1 2.4 1.2 70.0 353.9 278.7 105.1 20.1 2.4 1.2 0.0 -8.3 -2.3% -7.7 -2.7% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%40 REDMTN40 4 1 70.7 384.5 264.0 89.0 16.5 2.4 0.1 70.7 333.4 254.5 88.5 16.5 2.4 0.1 0.0 -51.1 -13.3% -9.6 -3.6% -0.6 -0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%40 REDMTN40 4 2 71.3 403.5 268.0 94.0 16.8 2.2 0.1 71.3 352.5 255.6 93.7 16.8 2.2 0.1 0.0 -51.0 -12.6% -12.5 -4.6% -0.3 -0.4% 0.0 0.1% 0.0 0.0% 0.0 0.0%40 REDMTN40 4 3 71.8 385.1 259.6 98.3 18.6 2.4 0.1 71.8 352.6 251.0 97.9 18.4 2.4 0.1 0.0 -32.4 -8.4% -8.6 -3.3% -0.5 -0.5% -0.2 -1.0% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 1 2 72.3 411.9 303.6 92.5 17.1 3.0 0.1 72.3 384.7 251.0 84.3 16.9 3.0 0.1 0.0 -27.1 -6.6% -52.6 -17.3% -8.3 -8.9% -0.2 -1.4% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 1 3 70.7 402.3 307.4 87.6 16.4 2.3 0.1 70.7 351.0 256.7 87.3 16.4 2.3 0.1 0.0 -51.3 -12.8% -50.7 -16.5% -0.3 -0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 1 4 70.9 383.0 264.3 88.6 16.6 2.2 0.1 70.9 331.9 254.7 88.0 16.6 2.2 0.1 0.0 -51.1 -13.3% -9.6 -3.6% -0.5 -0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 1 5 71.5 403.4 259.9 93.1 16.8 2.2 0.1 71.5 352.2 248.1 92.7 16.8 2.2 0.1 0.0 -51.1 -12.7% -11.8 -4.5% -0.4 -0.4% 0.0 0.3% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 1 6 71.9 382.4 257.8 97.8 18.8 2.4 0.1 71.9 350.2 249.0 97.3 18.6 2.4 0.1 0.0 -32.2 -8.4% -8.8 -3.4% -0.5 -0.5% -0.2 -1.1% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 2 2 73.0 394.2 291.1 93.3 9.4 3.1 0.1 73.0 379.9 237.2 83.7 8.9 3.1 0.1 0.0 -14.2 -3.6% -53.9 -18.5% -9.6 -10.3% -0.6 -5.9% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 2 3 71.9 387.6 290.2 77.4 12.6 2.2 0.1 71.9 356.9 236.2 76.1 11.9 2.2 0.1 0.0 -30.7 -7.9% -54.0 -18.6% -1.3 -1.7% -0.7 -5.7% 0.0 1.1% 0.0 0.0%6 SNOWCAN6 2 4 71.4 383.4 265.2 78.8 16.8 2.1 0.1 71.4 331.2 229.6 77.9 16.1 2.1 0.1 0.0 -52.3 -13.6% -35.6 -13.4% -0.9 -1.1% -0.7 -3.9% 0.0 2.3% 0.0 0.0%6 SNOWCAN6 2 5 72.2 379.9 236.7 76.3 17.1 2.6 0.1 72.2 327.3 225.5 75.3 16.5 2.2 0.1 0.0 -52.5 -13.8% -11.2 -4.7% -0.9 -1.2% -0.6 -3.7% -0.4 -15.9% 0.0 0.0%6 SNOWCAN6 2 6 71.8 352.1 234.7 80.8 17.3 2.2 0.1 71.8 313.9 225.5 79.9 16.7 2.3 0.1 0.0 -38.1 -10.8% -9.2 -3.9% -0.9 -1.1% -0.6 -3.5% 0.1 2.3% 0.0 0.0%
Snow Canyon SP6 SNOWCAN6 2 2 73.0 394.2 291.1 93.3 9.4 3.1 0.1 73.0 379.9 237.2 83.7 8.9 3.1 0.1 0.0 -14.2 -3.6% -53.9 -18.5% -9.6 -10.3% -0.6 -5.9% 0.0 0.0% 0.0 0.0%6 SNOWCAN6 2 3 71.9 387.6 290.2 77.4 12.6 2.2 0.1 71.9 356.9 236.2 76.1 11.9 2.2 0.1 0.0 -30.7 -7.9% -54.0 -18.6% -1.3 -1.7% -0.7 -5.7% 0.0 1.1% 0.0 0.0%6 SNOWCAN6 2 4 71.4 383.4 265.2 78.8 16.8 2.1 0.1 71.4 331.2 229.6 77.9 16.1 2.1 0.1 0.0 -52.3 -13.6% -35.6 -13.4% -0.9 -1.1% -0.7 -3.9% 0.0 2.3% 0.0 0.0%6 SNOWCAN6 2 5 72.2 379.9 236.7 76.3 17.1 2.6 0.1 72.2 327.3 225.5 75.3 16.5 2.2 0.1 0.0 -52.5 -13.8% -11.2 -4.7% -0.9 -1.2% -0.6 -3.7% -0.4 -15.9% 0.0 0.0%6 SNOWCAN6 3 1 72.8 405.8 294.5 123.4 11.5 3.1 0.3 72.8 373.0 245.1 61.7 7.7 3.0 0.3 0.0 -32.8 -8.1% -49.4 -16.8% -61.7 -50.0% -3.7 -32.6% -0.1 -1.8% 0.0 0.0%6 SNOWCAN6 3 2 73.4 384.1 275.8 76.9 9.4 2.5 0.1 73.4 360.5 218.7 63.7 7.9 2.3 0.1 0.0 -23.6 -6.2% -57.1 -20.7% -13.2 -17.1% -1.4 -15.4% -0.2 -9.7% 0.0 0.0%6 SNOWCAN6 3 3 72.7 373.5 285.0 72.5 9.5 2.4 0.1 72.7 358.4 228.5 68.9 8.4 2.3 0.1 0.0 -15.1 -4.0% -56.5 -19.8% -3.6 -4.9% -1.1 -12.0% -0.1 -3.0% 0.0 0.0%6 SNOWCAN6 3 4 71.6 372.6 257.2 72.1 13.0 2.2 0.1 71.6 319.2 220.4 68.8 12.1 2.1 0.1 0.0 -53.5 -14.4% -36.8 -14.3% -3.3 -4.6% -0.9 -6.7% -0.1 -4.9% 0.0 -13.3%6 SNOWCAN6 3 5 71.0 380.3 221.4 69.8 17.5 1.9 0.1 71.0 326.4 210.1 67.1 17.0 1.8 0.1 0.0 -53.9 -14.2% -11.3 -5.1% -2.8 -3.9% -0.5 -2.7% -0.1 -5.0% 0.0 -1.2%
Spring Creek Canyon WSA37 SORING37 1 1 69.2 252.1 201.6 101.5 22.4 4.6 0.4 69.2 247.4 196.3 99.1 22.3 4.6 0.4 0.0 -4.7 -1.9% -5.2 -2.6% -2.4 -2.3% 0.0 -0.2% 0.0 0.0% 0.0 0.0%37 SORING37 2 1 70.2 244.3 192.5 91.3 15.3 1.6 0.3 70.2 239.5 187.4 89.1 15.2 1.6 0.3 0.0 -4.8 -2.0% -5.2 -2.7% -2.3 -2.5% -0.2 -1.2% 0.0 0.0% 0.0 0.0%37 SORING37 2 2 69.4 242.9 192.3 90.6 16.9 1.5 0.4 69.4 238.0 187.0 89.6 17.0 1.5 0.4 0.0 -5.0 -2.0% -5.3 -2.7% -1.0 -1.1% 0.1 0.5% 0.0 0.0% 0.0 0.0%37 SORING37 2 3 69.3 247.6 194.0 90.6 22.8 1.2 0.3 69.3 242.3 188.5 89.7 22.8 1.2 0.3 0.0 -5.3 -2.1% -5.5 -2.8% -0.9 -1.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%37 SORING37 3 1 70.8 240.5 182.7 76.7 14.5 1.6 0.2 70.8 235.6 176.1 75.6 14.5 1.6 0.2 0.0 -4.9 -2.0% -6.6 -3.6% -1.1 -1.4% 0.0 0.3% 0.0 0.0% 0.0 0.0%37 SORING37 3 2 70.4 236.8 181.7 65.4 14.5 1.5 0.2 70.4 231.6 175.1 64.5 14.5 1.5 0.2 0.0 -5.1 -2.2% -6.5 -3.6% -0.8 -1.3% 0.0 0.3% 0.0 0.0% 0.0 0.0%37 SORING37 3 3 69.7 237.4 188.8 76.3 10.4 1.5 0.2 69.7 232.0 183.0 75.4 10.5 1.5 0.2 0.0 -5.4 -2.3% -5.8 -3.1% -0.9 -1.2% 0.1 1.1% 0.0 0.0% 0.0 0.0%37 SORING37 4 2 71.0 233.2 173.6 50.1 9.5 1.7 0.2 71.0 227.1 168.0 50.1 9.5 1.7 0.2 0.0 -6.1 -2.6% -5.6 -3.2% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%37 SORING37 4 3 70.8 233.4 170.0 48.6 10.0 1.7 0.2 70.8 227.1 165.4 48.2 10.0 1.7 0.2 0.0 -6.3 -2.7% -4.6 -2.7% -0.5 -0.9% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Taylor Creek WSA13 ZION13 3 4 71.6 247.0 183.6 81.2 15.1 1.8 0.3 71.6 241.3 177.3 79.6 15.1 1.8 0.3 0.0 -5.7 -2.3% -6.2 -3.4% -1.6 -2.0% 0.0 0.5% 0.0 0.0% 0.0 0.0%
Tunnel Spring WSA43 TUNEL43 1 1 70.6 108.7 50.7 12.2 2.6 0.1 0.0 70.6 108.7 50.7 12.2 2.6 0.1 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 1 2 70.5 101.5 38.6 11.8 2.7 0.1 0.0 70.5 101.5 38.6 11.8 2.7 0.1 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 2 1 70.6 123.4 52.6 12.5 2.9 0.2 0.0 70.6 123.4 52.6 12.5 2.9 0.2 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 2 2 70.7 112.1 51.0 11.7 2.9 0.3 0.0 70.7 112.1 51.0 11.7 2.9 0.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 2 3 70.7 100.8 39.7 11.1 2.7 0.3 0.0 70.7 100.8 39.7 11.1 2.7 0.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 3 1 70.7 125.8 55.6 12.1 2.9 0.2 0.0 70.7 125.7 55.6 12.1 2.9 0.2 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 3 2 70.4 124.6 56.4 11.4 2.7 0.2 0.0 70.4 124.5 56.4 11.4 2.7 0.2 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 3 3 70.7 114.4 50.1 11.1 2.5 0.2 0.0 70.7 114.4 50.1 11.1 2.5 0.2 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
The Watchman WSA11 ZION11 1 2 68.5 333.148 263.8077 135.5 33.8 2.0 0.2 68.5 332.0 264.9 135.6 33.7 2.0 0.2 0.0 -1.2 -0.4% 1.1 0.4% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%11 ZION11 1 3 70.8 321.9453 256.1563 130.6 32.9 2.3 0.1 70.8 320.0 256.8 130.7 33.1 2.3 0.1 0.0 -2.0 -0.6% 0.7 0.3% 0.1 0.1% 0.1 0.4% 0.0 0.8% 0.0 0.0%
Little Black Mountain Petroglyph Site18 NEWGRID5 1 1 77.0 425.4 290.4 73.8 11.1 2.7 0.7 72.3 441.4 309.7 133.7 34.4 4.2 0.7 -4.7 16.0 3.8% 19.3 6.6% 59.9 81.1% 23.3 #### 1.6 58.2% 0.0 2.1%
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ashdown Gorge Wilderness15 ASHDWN15 1 2 7693.2 0.0 0.0 31.7 31.7 0.0 0.1 0.0 44.1 44.0 -0.115 ASHDWN15 1 3 7970.2 0.0 0.0 32.7 32.7 0.0 0.0 0.0 45.2 45.2 0.015 ASHDWN15 2 1 8609.8 0.0 0.1 33.5 33.6 0.1 0.1 0.1 46.8 46.8 0.015 ASHDWN15 2 2 8598.5 0.0 0.0 34.0 34.0 0.0 0.1 0.1 47.5 47.5 0.015 ASHDWN15 2 3 7995.3 0.0 0.0 33.7 33.7 0.0 0.0 0.0 46.9 46.9 0.015 ASHDWN15 2 4 9309.7 0.0 0.0 33.7 33.7 0.0 0.0 0.0 46.8 46.8 0.015 ASHDWN15 2 5 8956.9 0.0 0.0 34.3 34.3 0.0 0.0 0.0 47.3 47.3 0.015 ASHDWN15 3 1 10214.6 0.0 0.1 35.1 35.2 0.1 0.1 0.1 49.2 49.2 0.015 ASHDWN15 3 2 8805.8 0.0 0.1 34.6 34.7 0.1 0.1 0.1 48.3 48.3 0.015 ASHDWN15 3 3 8735.3 0.0 0.0 34.4 34.4 0.0 0.1 0.0 48.1 48.0 -0.115 ASHDWN15 3 4 8906.4 0.0 0.0 33.6 33.6 0.0 0.0 0.0 46.8 46.8 0.015 ASHDWN15 3 5 9907.3 0.0 0.0 33.1 33.1 0.0 0.0 0.0 45.9 45.9 0.015 ASHDWN15 4 1 10301.8 0.0 0.1 35.7 35.8 0.1 0.0 0.1 50.0 50.1 0.115 ASHDWN15 4 2 9417.9 0.0 0.1 35.0 35.1 0.1 0.1 0.1 49.1 49.1 0.015 ASHDWN15 4 3 9530.9 0.0 0.0 34.0 34.0 0.0 0.1 0.1 47.5 47.5 0.015 ASHDWN15 4 4 10544.6 0.1 0.1 33.6 33.6 0.0 0.1 0.1 46.7 46.7 0.0
Beartrap Canyon WSA 0.019 ZION19 2 2 7373.5 0.1 0.2 70.2 70.3 0.1 0.1 0.3 98.4 98.6 0.2
Beaver Dam Mountains Wilderness 0.04 BEAVER4 2 3 3134.8 26.8 22.4 178.7 174.3 -4.4 27.8 23.3 240.6 236.1 -4.54 BEAVER4 2 4 3258.3 18.6 14.8 171.6 167.8 -3.8 19.3 15.5 233.9 230.1 -3.84 BEAVER4 2 5 2801.4 12.3 9.1 167.5 164.3 -3.2 12.7 9.5 230.5 227.3 -3.24 BEAVER4 2 6 3938.5 7.5 5.8 162.8 161.1 -1.7 7.9 6.1 225.7 223.9 -1.84 BEAVER4 3 4 3132.2 27.7 23.8 169.8 165.9 -3.9 28.8 24.9 228.1 224.2 -3.94 BEAVER4 3 5 3254.4 17.8 15.4 160.6 158.2 -2.4 18.5 16.2 218.9 216.6 -2.34 BEAVER4 3 6 4396.5 9.7 8.1 150.3 148.7 -1.6 10.1 8.4 207.3 205.6 -1.74 BEAVER4 3 7 5103.1 5.4 5.5 144.8 144.9 0.1 5.6 5.8 201.1 201.3 0.24 BEAVER4 4 3 3274.9 30.6 29.2 165.1 163.6 -1.5 31.9 30.4 220.6 219.1 -1.54 BEAVER4 4 4 2398 32.2 29.1 165.7 162.7 -3.0 33.5 30.4 220.8 217.7 -3.14 BEAVER4 4 5 3257.6 23.0 20.2 152.9 150.1 -2.8 24.1 21.2 206.3 203.4 -2.94 BEAVER4 4 6 3919.1 12.6 10.9 141.1 139.4 -1.7 13.2 11.4 193.5 191.7 -1.84 BEAVER4 4 7 4461.6 8.2 7.1 133.4 132.3 -1.1 8.6 7.4 184.0 182.8 -1.24 BEAVER4 5 5 2837.2 30.9 26.7 150.7 146.5 -4.2 32.2 27.9 200.3 196.0 -4.34 BEAVER4 5 6 4584.3 17.1 14.6 130.4 127.9 -2.5 18.0 15.3 176.7 174.0 -2.74 BEAVER4 6 4 3728.6 30.9 31.1 143.9 144.1 0.2 32.3 32.5 190.8 191.0 0.24 BEAVER4 6 5 2597.5 34.4 30.8 144.5 140.9 -3.6 35.9 32.2 190.3 186.6 -3.74 BEAVER4 7 6 3290.5 33.9 28.3 125.4 119.8 -5.6 35.5 29.5 163.9 157.9 -6.04 BEAVER4 7 7 3079.7 29.7 17.2 119.9 107.4 -12.5 31.3 18.0 157.6 144.3 -13.34 BEAVER4 8 6 2743.3 39.7 35.3 127.5 123.1 -4.4 41.6 36.7 164.7 159.8 -4.94 BEAVER4 8 7 2616.9 46.6 26.1 130.6 110.1 -20.5 48.9 27.2 166.7 145.0 -21.7
Beaver Dam SP 0.042 COUGAR42 2 1 5620.1 0.0 0.0 12.6 12.6 0.0 0.0 0.0 17.7 17.7 0.042 COUGAR42 2 2 5201.3 0.0 0.0 12.1 12.1 0.0 0.0 0.0 17.0 17.0 0.042 COUGAR42 2 3 5797 0.0 0.0 11.2 11.2 0.0 0.0 0.0 15.8 15.8 0.042 COUGAR42 3 1 5180.1 0.0 0.0 14.2 14.2 0.0 0.0 0.0 20.0 20.0 0.043 TUNEL43 2 1 5797 0.0 0.0 11.3 11.3 0.0 0.0 0.0 15.9 15.9 0.0
Canaan Mountain WSA 0.030 CANAAN30 1 5 4888.8 8.4 8.5 143.7 143.6 -0.1 8.7 10.3 195.9 197.5 1.630 CANAAN30 1 6 4703.4 6.9 6.7 139.7 139.8 0.1 7.2 7.9 191.7 192.4 0.730 CANAAN30 2 3 5047.6 5.6 5.7 141.9 141.8 -0.1 5.6 6.1 195.0 195.5 0.530 CANAAN30 2 4 5040.5 7.8 7.7 147.0 146.4 -0.6 7.8 9.0 200.3 201.5 1.230 CANAAN30 2 5 5323.3 8.4 8.4 150.7 150.2 -0.5 8.6 9.6 205.1 206.1 1.030 CANAAN30 2 6 4411.6 7.0 6.8 148.2 148.0 -0.2 7.1 7.8 202.8 203.5 0.730 CANAAN30 3 2 4928.7 2.1 2.5 141.5 141.9 0.4 2.2 2.9 197.1 197.8 0.730 CANAAN30 3 3 5434.1 5.2 5.3 146.6 146.6 0.0 5.4 5.7 202.3 202.6 0.330 CANAAN30 3 4 6437.4 6.2 6.3 151.7 151.5 -0.2 6.3 6.9 208.0 208.6 0.630 CANAAN30 3 5 4524.1 8.7 8.8 155.2 154.9 -0.3 8.8 10.2 211.2 212.6 1.430 CANAAN30 3 6 4403.4 6.7 6.7 155.8 155.9 0.1 6.7 7.4 213.0 213.7 0.730 CANAAN30 4 2 5093.8 2.8 2.9 149.4 149.5 0.1 2.9 2.8 207.7 207.6 -0.130 CANAAN30 4 3 5583 5.5 5.4 151.7 151.6 -0.1 5.7 5.8 209.5 209.6 0.130 CANAAN30 4 4 6652.5 5.8 5.9 157.0 157.0 0.0 5.9 6.7 215.7 216.5 0.830 CANAAN30 4 5 6387.2 6.5 6.7 163.1 163.1 0.0 6.5 7.5 222.5 223.5 1.030 CANAAN30 4 6 5178.6 5.7 5.9 163.5 163.7 0.2 5.7 6.1 223.1 223.5 0.430 CANAAN30 5 1 5197 2.8 2.9 153.1 153.2 0.1 2.9 2.9 212.9 212.9 0.030 CANAAN30 5 2 6206.6 2.5 2.6 155.8 155.9 0.1 2.6 2.4 216.3 216.1 -0.230 CANAAN30 5 3 6988 3.9 3.7 159.1 158.9 -0.2 4.1 3.9 220.0 219.8 -0.230 CANAAN30 5 4 6232.9 6.0 6.0 162.4 162.5 0.1 6.3 6.7 223.1 223.5 0.430 CANAAN30 5 5 4571.5 7.8 7.9 165.9 166.0 0.1 7.9 9.0 226.2 227.3 1.130 CANAAN30 5 6 4213.2 5.9 6.1 161.9 162.1 0.2 5.8 6.4 220.6 221.2 0.630 CANAAN30 6 1 5195.1 2.6 2.7 154.5 154.6 0.1 2.7 2.6 214.5 214.4 -0.130 CANAAN30 6 2 5425.8 3.2 3.1 161.0 160.9 -0.1 3.4 2.7 222.6 221.9 -0.730 CANAAN30 6 3 6409.2 4.8 4.3 163.7 163.2 -0.5 5.0 4.2 225.2 224.4 -0.830 CANAAN30 6 4 6440.6 5.7 5.6 164.9 164.9 0.0 5.9 5.9 226.2 226.2 0.030 CANAAN30 6 5 6385.3 5.7 6.2 163.0 163.7 0.7 5.8 6.5 223.3 224.0 0.730 CANAAN30 6 6 5616 4.4 4.8 157.9 158.4 0.5 4.4 5.7 215.8 217.1 1.330 CANAAN30 7 1 6593.4 1.9 1.9 151.3 151.3 0.0 2.0 2.0 210.2 210.2 0.030 CANAAN30 7 2 5988.2 2.9 2.8 157.1 157.0 -0.1 3.1 2.2 217.4 216.5 -0.930 CANAAN30 7 3 5463.8 5.5 4.7 163.4 162.6 -0.8 5.7 4.7 224.4 223.4 -1.030 CANAAN30 7 4 6189.3 5.6 5.4 160.5 160.4 -0.1 5.8 5.9 220.0 220.1 0.130 CANAAN30 7 5 5998.2 5.6 6.2 156.2 157.1 0.9 5.8 6.6 214.2 215.0 0.830 CANAAN30 7 6 5581.6 4.4 4.9 151.2 151.8 0.6 4.3 5.6 206.7 208.0 1.330 CANAAN30 8 1 5651.5 2.6 2.5 147.0 146.9 -0.1 2.7 2.1 203.9 203.3 -0.630 CANAAN30 8 2 6326.6 2.8 2.6 149.5 149.3 -0.2 2.9 2.0 206.8 205.9 -0.930 CANAAN30 8 3 6088.7 4.6 3.9 153.1 152.4 -0.7 4.8 4.0 210.6 209.8 -0.830 CANAAN30 8 6 5677.9 4.1 4.8 147.4 148.2 0.8 4.2 5.5 201.8 203.1 1.330 CANAAN30 9 1 5449.9 3.1 2.8 138.3 138.0 -0.3 3.3 1.9 191.8 190.4 -1.430 CANAAN30 9 2 6210.6 2.8 2.5 139.2 138.9 -0.3 2.9 2.0 192.8 191.9 -0.930 CANAAN30 9 3 6141.4 4.6 3.8 143.9 143.1 -0.8 4.8 3.6 198.4 197.2 -1.2
Cedar Breaks National Monument 0.015 ASHDWN15 3 2 8805.8 0.0 0.1 34.6 34.7 0.1 0.1 0.1 48.3 48.3 0.015 ASHDWN15 3 3 8735.3 0.0 0.0 34.4 34.4 0.0 0.1 0.0 48.1 48.0 -0.115 ASHDWN15 4 2 9417.9 0.0 0.1 35.0 35.1 0.1 0.1 0.1 49.1 49.1 0.015 ASHDWN15 4 3 9530.9 0.0 0.0 34.0 34.0 0.0 0.1 0.1 47.5 47.5 0.0
Clover Mountains WSA 0.044 CLOVER44 1 2 4795.3 1.7 1.6 16.3 16.2 -0.1 1.7 1.7 22.3 22.3 0.044 CLOVER44 1 3 4399 1.7 1.6 16.1 16.0 -0.1 1.7 1.7 21.8 21.8 0.044 CLOVER44 1 4 4789.9 1.4 1.4 15.4 15.4 0.0 1.5 1.5 21.2 21.2 0.044 CLOVER44 1 5 5442.1 0.5 0.5 13.2 13.2 0.0 0.6 0.6 18.4 18.4 0.044 CLOVER44 1 6 4754.9 0.0 0.0 11.7 11.7 0.0 0.0 0.0 16.6 16.6 0.044 CLOVER44 1 7 5811.5 0.0 0.0 10.9 10.9 0.0 0.0 0.0 15.3 15.3 0.044 CLOVER44 2 2 5607.9 1.6 1.6 16.6 16.6 0.0 1.7 1.7 22.7 22.7 0.044 CLOVER44 2 3 5297.2 1.5 1.5 16.6 16.6 0.0 1.6 1.6 22.8 22.8 0.044 CLOVER44 2 4 5259.6 0.9 0.9 15.1 15.1 0.0 1.0 1.0 20.9 20.9 0.044 CLOVER44 2 5 5791.8 0.0 0.0 13.0 13.0 0.0 0.0 0.0 18.3 18.3 0.044 CLOVER44 2 6 5266.7 0.0 0.0 12.1 12.1 0.0 0.0 0.0 17.0 17.0 0.044 CLOVER44 2 7 6190.9 0.0 0.0 11.3 11.3 0.0 0.0 0.0 16.0 16.0 0.044 CLOVER44 3 1 5756.1 1.7 1.6 18.9 18.8 -0.1 1.7 1.7 25.9 25.9 0.044 CLOVER44 3 2 5000 1.6 1.6 18.0 18.0 0.0 1.7 1.7 24.7 24.7 0.044 CLOVER44 3 3 5397.5 1.2 1.2 17.0 17.0 0.0 1.3 1.3 23.6 23.6 0.044 CLOVER44 3 4 6426.8 0.4 0.3 14.6 14.5 -0.1 0.4 0.4 20.4 20.4 0.044 CLOVER44 3 5 5784 0.0 0.0 13.4 13.4 0.0 0.0 0.0 19.0 19.0 0.044 CLOVER44 3 6 6401.3 0.0 0.0 12.6 12.6 0.0 0.0 0.0 17.8 17.8 0.044 CLOVER44 3 7 6386.1 0.0 0.0 12.1 12.1 0.0 0.0 0.0 17.1 17.1 0.044 CLOVER44 4 3 5316.5 0.9 0.9 17.9 17.9 0.0 0.9 0.9 24.8 24.8 0.044 CLOVER44 4 4 6018.9 0.0 0.0 15.5 15.5 0.0 0.0 0.0 21.8 21.8 0.044 CLOVER44 4 5 6397 0.0 0.0 14.1 14.1 0.0 0.0 0.0 19.8 19.8 0.044 CLOVER44 4 6 6528.2 0.0 0.0 13.3 13.3 0.0 0.0 0.0 18.8 18.8 0.044 CLOVER44 4 7 6069.7 0.0 0.0 12.9 12.9 0.0 0.0 0.0 18.2 18.2 0.044 CLOVER44 5 3 4912.8 0.5 0.4 19.3 19.2 -0.1 0.5 0.5 27.0 27.0 0.044 CLOVER44 5 4 5395.3 0.0 0.0 16.9 16.9 0.0 0.0 0.0 23.8 23.8 0.044 CLOVER44 5 5 7027.6 0.0 0.0 14.9 14.9 0.0 0.0 0.0 21.0 21.0 0.044 CLOVER44 5 6 6577.9 0.0 0.0 13.9 13.9 0.0 0.0 0.0 19.6 19.6 0.044 CLOVER44 6 4 5374.9 0.0 0.0 18.5 18.5 0.0 0.0 0.0 26.0 26.0 0.044 CLOVER44 6 5 5897.7 0.0 0.0 16.6 16.6 0.0 0.0 0.0 23.4 23.4 0.044 CLOVER44 6 6 6769.2 0.0 0.0 14.9 14.9 0.0 0.0 0.0 21.0 21.0 0.0
Coral Pink Sand Dunes SP 0.029 MOQMTN29 1 2 5983.1 2.5 2.1 110.0 109.7 -0.3 2.6 1.2 152.7 151.3 -1.429 MOQMTN29 1 3 6230.9 3.0 2.4 111.7 111.3 -0.4 3.1 1.7 154.7 153.3 -1.4
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
Cottonwood Point Wilderness 0.016 COTTON16 1 2 4991 3.9 5.0 150.8 151.9 1.1 4.0 5.0 209.6 210.6 1.016 COTTON16 2 1 5160.6 2.9 4.2 145.7 147.0 1.3 3.0 4.1 202.9 204.0 1.116 COTTON16 2 2 6397 2.6 3.3 150.8 151.5 0.7 2.7 3.2 210.0 210.5 0.516 COTTON16 3 1 5200 3.1 4.5 144.0 145.4 1.4 3.2 4.3 200.3 201.4 1.116 COTTON16 3 2 5381.9 3.3 4.5 147.6 148.8 1.2 3.5 4.3 205.1 205.9 0.816 COTTON16 4 1 5442.3 3.3 3.6 139.7 140.0 0.3 3.4 3.3 194.1 194.0 -0.116 COTTON16 4 2 5801.6 3.1 3.4 142.6 142.9 0.3 3.2 3.1 197.9 197.8 -0.1
Cottonwood WSA 0.038 COTTON38 1 1 3969.5 21.8 10.3 80.8 69.3 -11.5 24.2 12.0 106.6 94.4 -12.238 COTTON38 1 2 4742.4 11.4 8.8 71.0 68.4 -2.6 13.0 10.4 96.3 93.7 -2.638 COTTON38 2 1 3361.1 28.7 16.9 85.0 73.2 -11.8 31.4 19.3 110.1 98.0 -12.138 COTTON38 2 2 3937.7 17.0 14.4 74.4 71.8 -2.6 18.8 16.3 98.9 96.4 -2.538 COTTON38 2 3 4211.3 10.9 11.6 70.0 70.7 0.7 12.2 13.4 94.8 96.0 1.238 COTTON38 3 1 3795 30.9 23.1 84.1 76.3 -7.8 33.7 25.8 108.2 100.3 -7.938 COTTON38 3 2 4227.3 19.1 17.4 72.5 70.8 -1.7 21.1 19.7 95.8 94.4 -1.438 COTTON38 3 3 4596 12.6 13.3 67.2 67.9 0.7 13.9 15.2 90.3 91.6 1.338 COTTON38 4 1 3512.2 34.5 32.7 88.8 87.0 -1.8 37.1 36.4 113.1 112.4 -0.738 COTTON38 4 2 3898.4 25.5 20.8 77.9 73.2 -4.7 27.6 23.6 101.0 97.0 -4.038 COTTON38 4 3 4426.9 15.2 14.7 66.8 66.3 -0.5 16.7 16.6 89.0 88.9 -0.138 COTTON38 5 1 3399 32.3 35.4 90.1 93.2 3.1 34.7 39.8 115.7 120.8 5.138 COTTON38 5 2 3794 29.9 28.5 83.4 82.0 -1.4 32.1 31.8 107.0 106.7 -0.338 COTTON38 5 3 4241.4 20.3 18.0 71.5 69.2 -2.3 22.1 20.4 93.9 92.2 -1.738 COTTON38 6 3 3415.9 26.6 25.7 81.7 80.8 -0.9 28.4 29.0 105.6 106.2 0.6
Cougar Canyon WSA 0.041 COUGAR41 2 2 4859.5 0.0 0.0 15.3 15.3 0.0 0.0 0.0 21.5 21.5 0.041 COUGAR41 2 3 5169.8 0.0 0.0 14.2 14.2 0.0 0.0 0.0 19.9 19.9 0.041 COUGAR41 3 1 4945.5 0.0 0.0 21.6 21.6 0.0 0.0 0.0 30.4 30.4 0.041 COUGAR41 3 2 5425.9 0.0 0.0 17.5 17.5 0.0 0.0 0.0 24.5 24.5 0.041 COUGAR41 3 3 6056 0.0 0.0 15.8 15.8 0.0 0.0 0.0 22.1 22.1 0.041 COUGAR41 4 1 5019.2 0.0 0.0 27.0 27.0 0.0 0.0 0.0 37.8 37.8 0.041 COUGAR41 4 2 5962.2 0.0 0.0 22.5 22.5 0.0 0.0 0.0 31.5 31.5 0.041 COUGAR41 4 3 6266.4 0.0 0.0 19.0 19.0 0.0 0.0 0.0 26.6 26.6 0.041 COUGAR41 5 2 5822.7 0.0 0.0 28.8 28.8 0.0 0.0 0.0 40.3 40.3 0.041 COUGAR41 5 3 6674.1 0.0 0.0 23.9 23.9 0.0 0.0 0.0 33.4 33.4 0.042 COUGAR42 3 2 5797 0.0 0.0 13.3 13.3 0.0 0.0 0.0 18.7 18.7 0.042 COUGAR42 3 3 5797 0.0 0.0 12.7 12.7 0.0 0.0 0.0 17.8 17.8 0.042 COUGAR42 4 1 6079.1 0.0 0.0 15.8 15.8 0.0 0.0 0.0 22.1 22.1 0.042 COUGAR42 4 2 5597 0.0 0.0 15.1 15.1 0.0 0.0 0.0 21.1 21.1 0.042 COUGAR42 5 1 6256.9 0.0 0.0 19.1 19.1 0.0 0.0 0.0 26.7 26.7 0.042 COUGAR42 5 2 6390.3 0.0 0.0 16.4 16.4 0.0 0.0 0.0 23.1 23.1 0.042 COUGAR42 6 1 6710.8 0.0 0.0 23.9 23.9 0.0 0.0 0.0 33.4 33.4 0.0
Deep Creek WSA 0.035 DEEPCK35 1 1 6398.3 0.4 0.6 74.8 75.2 0.4 0.4 1.1 104.8 105.5 0.735 DEEPCK35 2 1 6261.1 0.4 0.8 72.7 73.4 0.7 0.4 1.4 101.8 102.8 1.035 DEEPCK35 2 2 6500.4 0.4 0.4 65.8 66.0 0.2 0.3 0.7 92.1 92.5 0.435 DEEPCK35 3 1 6397 0.4 0.8 74.7 75.5 0.8 0.4 1.4 104.5 105.5 1.035 DEEPCK35 3 2 6412.4 0.3 0.5 66.6 67.0 0.4 0.3 1.0 93.4 94.1 0.736 DEEPCK6 2 1 6505.1 0.4 0.4 65.4 65.6 0.2 0.3 0.7 91.6 92.0 0.436 DEEPCK6 2 2 7457.4 0.3 0.2 58.8 58.7 -0.1 0.2 0.3 82.0 82.1 0.136 DEEPCK6 3 1 6405.7 0.3 0.5 66.3 66.7 0.4 0.3 1.0 92.9 93.6 0.736 DEEPCK6 3 2 6553.5 0.4 0.3 60.9 60.8 -0.1 0.3 0.5 84.9 85.1 0.2
Gateway Corridor 22 0.022 SOUTH22 1 1 5286.6 4.1 4.0 135.0 134.9 -0.1 4.2 4.3 187.6 187.7 0.122 SOUTH22 1 2 5160.6 4.7 4.7 135.3 135.3 0.0 4.9 4.9 188.0 188.0 0.022 SOUTH22 2 1 5402.5 4.8 4.8 119.6 119.6 0.0 5.0 5.1 165.8 165.9 0.122 SOUTH22 2 2 5197.8 4.8 4.8 117.3 117.3 0.0 5.0 5.1 162.7 162.8 0.122 SOUTH22 3 1 5792.1 5.0 5.0 100.6 100.6 0.0 5.2 5.3 138.9 139.0 0.122 SOUTH22 3 2 6364.5 4.7 4.7 98.1 98.1 0.0 4.9 5.0 135.6 135.7 0.122 SOUTH22 4 1 6227.8 4.4 4.4 85.1 85.1 0.0 4.6 4.7 117.4 117.5 0.122 SOUTH22 4 2 6124.3 3.1 3.2 83.5 83.6 0.1 3.3 3.4 115.6 115.7 0.122 SOUTH22 5 1 6186.5 1.7 1.8 73.7 73.8 0.1 1.8 1.9 102.3 102.4 0.122 SOUTH22 5 2 6062 0.3 0.4 73.0 73.1 0.1 0.3 0.4 101.8 101.9 0.122 SOUTH22 6 1 6242.9 0.0 0.1 65.0 65.1 0.1 0.0 0.1 90.8 90.9 0.122 SOUTH22 6 2 6143.3 0.0 0.1 68.0 68.1 0.1 0.0 0.1 94.7 94.8 0.122 SOUTH22 7 1 6429.7 0.0 0.0 60.1 60.1 0.0 0.0 0.0 83.8 83.8 0.022 SOUTH22 7 2 6426 0.0 0.0 63.0 63.0 0.0 0.0 0.0 87.7 87.7 0.0
Gateway Corridor 23 0.023 SOUTH23 1 1 6432.2 0.0 0.0 59.8 59.8 0.0 0.0 0.0 83.5 83.5 0.023 SOUTH23 1 2 6469.9 0.0 0.0 62.6 62.6 0.0 0.0 0.0 87.4 87.4 0.023 SOUTH23 1 3 6742.8 0.0 0.1 64.5 64.6 0.1 0.0 0.1 89.7 89.8 0.123 SOUTH23 2 3 6281.3 0.0 0.0 63.2 63.2 0.0 0.0 0.0 87.9 87.9 0.023 SOUTH23 2 1 6409.6 0.0 0.0 55.2 55.2 0.0 0.0 0.0 77.0 77.0 0.023 SOUTH23 2 2 6288.1 0.0 0.0 58.5 58.5 0.0 0.0 0.0 81.5 81.5 0.023 SOUTH23 3 1 5834.5 0.0 0.0 55.1 55.1 0.0 0.0 0.0 77.0 77.0 0.023 SOUTH23 3 2 6009.7 0.0 0.0 57.0 57.0 0.0 0.0 0.0 79.4 79.4 0.023 SOUTH23 3 3 6009 0.0 0.0 61.2 61.2 0.0 0.0 0.0 85.2 85.2 0.023 SOUTH23 4 1 5618.6 0.0 0.0 54.6 54.6 0.0 0.0 0.0 76.4 76.4 0.023 SOUTH23 4 2 5789.1 0.0 0.0 56.7 56.7 0.0 0.0 0.0 78.9 78.9 0.023 SOUTH23 4 3 5907 0.0 0.0 60.6 60.6 0.0 0.0 0.0 84.2 84.2 0.023 SOUTH23 5 1 5863.9 0.0 0.0 56.6 56.6 0.0 0.0 0.0 79.1 79.1 0.023 SOUTH23 5 2 5689.7 0.0 0.0 59.9 59.9 0.0 0.0 0.0 83.6 83.6 0.023 SOUTH23 5 3 5759.3 0.0 0.0 62.7 62.7 0.0 0.0 0.0 87.4 87.4 0.023 SOUTH23 6 1 5990.4 0.0 0.0 58.5 58.5 0.0 0.0 0.0 81.8 81.8 0.023 SOUTH23 6 2 6149.5 0.0 0.0 61.1 61.1 0.0 0.0 0.0 85.4 85.4 0.023 SOUTH23 6 3 6047 0.0 0.0 64.5 64.5 0.0 0.0 0.0 90.1 90.1 0.0
Gateway Corridor 24 0.024 SOUTH24 1 1 5997.9 0.0 0.0 58.7 58.7 0.0 0.0 0.0 82.1 82.1 0.024 SOUTH24 1 2 6139.6 0.0 0.0 61.3 61.3 0.0 0.0 0.0 85.7 85.7 0.024 SOUTH24 2 1 5986.8 0.0 0.0 60.5 60.5 0.0 0.0 0.0 84.8 84.8 0.024 SOUTH24 2 2 5890.8 0.0 0.0 62.6 62.6 0.0 0.0 0.0 87.7 87.7 0.024 SOUTH24 3 1 5854.7 0.0 0.0 63.0 63.0 0.0 0.0 0.0 88.4 88.4 0.024 SOUTH24 3 2 5800 0.0 0.0 64.2 64.2 0.0 0.0 0.0 90.0 90.0 0.024 SOUTH24 4 1 5800 0.0 0.0 68.1 68.1 0.0 0.0 0.0 95.7 95.7 0.024 SOUTH24 4 2 5800 0.0 0.0 68.7 68.7 0.0 0.0 0.0 96.4 96.4 0.024 SOUTH24 5 1 5800 0.0 0.0 77.4 77.4 0.0 0.0 0.0 108.8 108.8 0.024 SOUTH24 5 2 5741.8 0.1 0.1 77.4 77.4 0.0 0.1 0.1 108.9 108.9 0.024 SOUTH24 6 1 5742.5 0.1 0.1 86.3 86.3 0.0 0.1 0.1 121.3 121.3 0.024 SOUTH24 6 2 5600 0.2 0.2 85.6 85.6 0.0 0.2 0.2 120.2 120.2 0.024 SOUTH24 7 1 5594.6 0.2 0.2 96.0 96.0 0.0 0.2 0.2 135.0 135.0 0.024 SOUTH24 7 2 5400 0.2 0.2 94.1 94.1 0.0 0.2 0.2 132.3 132.3 0.024 SOUTH24 8 1 5497.8 0.2 0.2 102.6 102.6 0.0 0.2 0.2 144.3 144.3 0.024 SOUTH24 8 2 5400 0.2 0.2 100.8 100.8 0.0 0.2 0.2 141.7 141.7 0.024 SOUTH24 9 1 5600 0.2 0.2 107.4 107.4 0.0 0.2 0.2 151.1 151.1 0.024 SOUTH24 9 2 5470.5 0.2 0.2 105.9 105.9 0.0 0.2 0.2 148.9 148.9 0.024 SOUTH24 10 1 5698 0.2 0.2 109.4 109.4 0.0 0.2 0.2 153.8 153.8 0.024 SOUTH24 10 2 5607 0.1 0.1 106.7 106.7 0.0 0.1 0.1 150.1 150.1 0.024 SOUTH24 11 1 5800 0.1 0.1 106.5 106.5 0.0 0.1 0.1 149.8 149.8 0.024 SOUTH24 11 2 5698 0.1 0.1 103.8 103.8 0.0 0.1 0.1 146.0 146.0 0.0
Gateway Corridor 32 0.032 EAST32 1 1 6051.3 3.6 2.9 108.4 107.6 -0.8 3.8 3.6 149.5 149.3 -0.232 EAST32 1 2 6197 3.0 3.3 111.0 111.1 0.1 3.1 3.8 152.9 153.6 0.732 EAST32 1 3 5827.6 2.2 3.2 110.9 111.8 0.9 2.2 3.6 153.0 154.4 1.432 EAST32 1 4 5908.9 2.2 3.0 114.8 115.6 0.8 2.3 3.2 157.9 158.8 0.932 EAST32 1 5 5809.4 2.2 2.4 119.3 119.4 0.1 2.3 2.5 163.3 163.5 0.232 EAST32 1 6 5458.6 1.4 1.3 118.5 118.1 -0.4 1.4 1.5 161.7 161.8 0.132 EAST32 1 7 5451.6 0.8 0.6 118.2 117.5 -0.7 0.5 0.6 160.7 160.8 0.132 EAST32 1 8 5721.7 1.5 1.3 120.0 119.5 -0.5 1.3 1.4 162.6 162.7 0.132 EAST32 1 9 6074.9 1.7 1.5 117.4 117.0 -0.4 1.6 1.7 158.8 158.9 0.132 EAST32 2 1 5939.9 3.5 2.7 108.1 107.2 -0.9 3.7 3.4 149.2 148.9 -0.332 EAST32 2 2 6028.3 2.8 3.0 111.3 111.3 0.0 2.9 3.4 153.7 154.2 0.532 EAST32 2 3 6119.4 1.9 3.0 112.5 113.4 0.9 2.0 3.4 155.5 156.9 1.432 EAST32 2 4 6152.3 2.3 3.1 113.1 113.9 0.8 2.3 3.2 156.1 157.0 0.932 EAST32 2 5 6703.7 2.2 2.3 118.2 118.3 0.1 2.3 2.4 162.5 162.6 0.132 EAST32 2 6 6367.6 1.4 1.3 120.5 120.1 -0.4 1.4 1.4 164.9 164.9 0.032 EAST32 2 7 6797 0.2 0.2 118.7 118.3 -0.4 0.1 0.2 162.1 162.2 0.132 EAST32 2 8 5976 1.3 1.0 120.8 120.3 -0.5 1.1 1.2 164.3 164.4 0.132 EAST32 2 9 6091.7 1.8 1.6 120.0 119.8 -0.2 1.6 1.7 162.8 162.9 0.1
Gateway Corridor 33 0.033 EAST33 1 1 7465.1 0.0 0.5 96.9 97.8 0.9 0.2 0.6 132.3 132.7 0.433 EAST33 1 2 8147.6 0.1 0.4 88.9 89.6 0.7 0.3 0.5 121.6 121.8 0.233 EAST33 1 3 8007.7 0.1 0.3 82.9 83.3 0.4 0.2 0.4 113.6 113.8 0.233 EAST33 1 4 8398 0.1 0.2 80.7 80.9 0.2 0.1 0.4 110.8 111.1 0.333 EAST33 1 5 8245.5 0.1 0.3 76.2 76.5 0.3 0.1 0.7 105.1 105.7 0.633 EAST33 1 6 8408 0.2 0.4 66.7 67.0 0.3 0.2 0.7 92.9 93.4 0.533 EAST33 1 7 8407.2 0.2 0.3 62.0 62.1 0.1 0.2 0.4 86.7 86.9 0.233 EAST33 1 8 8578 0.2 0.2 57.3 57.3 0.0 0.2 0.2 80.1 80.1 0.033 EAST33 2 1 7197.9 0.0 0.5 105.2 105.9 0.7 0.2 0.4 143.4 143.6 0.233 EAST33 2 2 7549 0.1 0.4 96.4 97.1 0.7 0.3 0.5 131.8 132.0 0.233 EAST33 2 3 7985.6 0.1 0.4 89.8 90.4 0.6 0.3 0.5 122.9 123.1 0.2
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
33 EAST33 2 4 7798 0.1 0.2 85.9 86.2 0.3 0.2 0.4 117.7 117.9 0.233 EAST33 2 5 8058.2 0.1 0.2 83.2 83.4 0.2 0.1 0.5 114.4 114.8 0.433 EAST33 2 6 8217.5 0.1 0.3 76.9 77.2 0.3 0.1 0.7 106.4 107.0 0.633 EAST33 2 7 8334.8 0.2 0.3 67.5 67.7 0.2 0.2 0.5 94.0 94.3 0.333 EAST33 2 8 8197.9 0.2 0.2 62.5 62.5 0.0 0.2 0.3 87.3 87.4 0.1
Goose Creek WSA 0.012 ZION12 5 9 6135.4 0.3 0.6 74.6 74.9 0.3 0.4 1.2 104.4 105.2 0.8
Grand Canyon-Parashant NM 0.02 PAIUTEW2 2 2 5195 1.9 2.8 160.0 160.8 0.8 2.3 3.0 221.3 222.0 0.72 PAIUTEW2 2 3 5835 3.2 3.6 162.2 162.2 0.0 3.5 3.8 223.8 224.1 0.32 PAIUTEW2 3 2 5396 0.2 1.6 151.2 152.6 1.4 0.6 1.8 210.3 211.5 1.22 PAIUTEW2 3 3 5820 1.7 2.5 153.8 154.4 0.6 2.1 2.7 212.9 213.5 0.62 PAIUTEW2 7 2 4839.5 0.3 0.6 139.8 140.3 0.5 0.5 0.7 195.1 195.3 0.22 PAIUTEW2 8 2 4991.9 0.4 0.7 132.1 132.5 0.4 0.6 0.7 184.6 184.7 0.1
23 SOUTH23 2 1 6409.6 0.0 0.0 55.2 55.2 0.0 0.0 0.0 77.0 77.0 0.023 SOUTH23 2 2 6288.1 0.0 0.0 58.5 58.5 0.0 0.0 0.0 81.5 81.5 0.023 SOUTH23 3 1 5834.5 0.0 0.0 55.1 55.1 0.0 0.0 0.0 77.0 77.0 0.023 SOUTH23 3 2 6009.7 0.0 0.0 57.0 57.0 0.0 0.0 0.0 79.4 79.4 0.023 SOUTH23 3 3 6009 0.0 0.0 61.2 61.2 0.0 0.0 0.0 85.2 85.2 0.023 SOUTH23 4 1 5618.6 0.0 0.0 54.6 54.6 0.0 0.0 0.0 76.4 76.4 0.023 SOUTH23 4 2 5789.1 0.0 0.0 56.7 56.7 0.0 0.0 0.0 78.9 78.9 0.023 SOUTH23 4 3 5907 0.0 0.0 60.6 60.6 0.0 0.0 0.0 84.2 84.2 0.023 SOUTH23 5 1 5863.9 0.0 0.0 56.6 56.6 0.0 0.0 0.0 79.1 79.1 0.023 SOUTH23 5 2 5689.7 0.0 0.0 59.9 59.9 0.0 0.0 0.0 83.6 83.6 0.023 SOUTH23 5 3 5759.3 0.0 0.0 62.7 62.7 0.0 0.0 0.0 87.4 87.4 0.023 SOUTH23 6 3 6047 0.0 0.0 64.5 64.5 0.0 0.0 0.0 90.1 90.1 0.0
Grand Canyon-Parashant NM (West) 0.02 PAIUTEW2 9 2 5196 0.4 0.4 125.7 125.7 0.0 0.5 0.6 175.5 175.6 0.12 PAIUTEW2 10 2 5348.1 0.4 0.5 123.5 123.6 0.1 0.5 0.5 172.6 172.6 0.0
21 PARASH21 1 1 2628.7 0.0 0.0 225.4 225.4 0.0 0.0 0.0 314.8 314.8 0.021 PARASH21 1 2 2960.4 0.0 0.0 209.0 209.0 0.0 0.0 0.0 291.2 291.2 0.021 PARASH21 1 3 4472.5 0.0 0.0 201.7 201.7 0.0 0.0 0.0 280.1 280.1 0.021 PARASH21 1 4 4388.9 0.0 0.0 199.7 199.7 0.0 0.0 0.1 276.9 277.0 0.121 PARASH21 2 1 2732.6 0.0 0.0 231.9 231.9 0.0 0.0 0.0 324.2 324.2 0.021 PARASH21 2 2 2991 0.0 0.0 210.9 210.9 0.0 0.0 0.0 294.4 294.4 0.021 PARASH21 2 3 3351.4 0.0 0.0 200.4 200.4 0.0 0.0 0.0 278.8 278.8 0.021 PARASH21 2 4 3609.1 0.0 0.0 193.9 193.9 0.0 0.0 0.0 269.0 269.0 0.021 PARASH21 3 1 3060.2 0.0 0.0 236.6 236.6 0.0 0.0 0.0 330.9 330.9 0.021 PARASH21 3 2 3352.3 0.0 0.0 214.1 214.1 0.0 0.0 0.0 299.4 299.4 0.021 PARASH21 3 3 3461.7 0.0 0.0 199.0 199.0 0.0 0.0 0.0 277.3 277.3 0.021 PARASH21 3 4 3337.6 0.0 0.0 195.1 195.1 0.0 0.0 0.0 270.9 270.9 0.021 PARASH21 4 1 2474.3 0.0 0.0 245.4 245.4 0.0 0.0 0.0 343.4 343.4 0.021 PARASH21 4 2 2850.8 0.0 0.0 223.5 223.5 0.0 0.0 0.0 312.7 312.7 0.021 PARASH21 4 3 3101.4 0.0 0.0 202.3 202.3 0.0 0.0 0.0 282.3 282.3 0.021 PARASH21 4 4 3308.9 0.0 0.0 194.1 194.1 0.0 0.0 0.0 269.8 269.8 0.021 PARASH21 5 1 2600.2 0.0 0.0 251.1 251.1 0.0 0.0 0.0 351.5 351.5 0.021 PARASH21 5 2 2779.8 0.0 0.0 228.1 228.1 0.0 0.0 0.0 319.4 319.4 0.021 PARASH21 5 3 2973 0.0 0.0 209.7 209.7 0.0 0.0 0.0 292.9 292.9 0.021 PARASH21 5 4 3118.8 0.0 0.0 190.9 190.9 0.0 0.0 0.0 265.6 265.6 0.021 PARASH21 6 1 2631.2 0.0 0.0 251.3 251.3 0.0 0.0 0.0 351.7 351.7 0.021 PARASH21 6 2 2734.1 0.0 0.0 235.0 235.0 0.0 0.0 0.0 329.1 329.1 0.021 PARASH21 6 3 3011.3 0.0 0.0 215.9 215.9 0.0 0.0 0.0 302.0 302.0 0.021 PARASH21 6 4 2970.1 0.0 0.0 199.4 199.4 0.0 0.0 0.0 278.0 278.0 0.021 PARASH21 7 1 2577.7 0.0 0.0 251.4 251.4 0.0 0.0 0.0 352.1 352.1 0.021 PARASH21 7 2 2674.4 0.0 0.0 239.0 239.0 0.0 0.0 0.0 334.9 334.9 0.021 PARASH21 7 3 2839.7 0.0 0.0 219.1 219.1 0.0 0.0 0.0 306.7 306.7 0.021 PARASH21 7 4 3019.5 0.0 0.0 204.2 204.2 0.0 0.0 0.0 285.0 285.0 0.021 PARASH21 8 1 2747.6 0.1 0.1 252.1 252.1 0.0 0.1 0.1 352.8 352.8 0.021 PARASH21 8 2 2824 0.1 0.1 242.5 242.5 0.0 0.1 0.1 339.7 339.7 0.021 PARASH21 8 3 2999 0.0 0.0 225.6 225.6 0.0 0.1 0.0 316.2 316.1 -0.121 PARASH21 8 4 2984.2 0.0 0.0 207.8 207.8 0.0 0.0 0.0 290.4 290.4 0.021 PARASH21 9 3 3117.6 0.2 0.2 233.1 233.1 0.0 0.3 0.3 326.7 326.7 0.021 PARASH21 9 4 2963.5 0.2 0.2 213.4 213.4 0.0 0.2 0.2 298.4 298.4 0.021 PARASH21 12 1 6466.1 0.4 0.4 249.4 249.4 0.0 0.4 0.4 349.0 349.0 0.021 PARASH21 12 2 6247.7 0.4 0.4 244.3 244.3 0.0 0.4 0.4 342.8 342.8 0.021 PARASH21 12 3 6143.4 0.4 0.4 233.1 233.1 0.0 0.4 0.4 327.5 327.5 0.021 PARASH21 12 4 4540.4 0.4 0.4 223.6 223.6 0.0 0.4 0.4 314.1 314.1 0.021 PARASH21 13 1 6257 0.3 0.3 234.0 234.0 0.0 0.3 0.3 328.2 328.2 0.021 PARASH21 13 2 5889.5 0.3 0.3 239.5 239.5 0.0 0.4 0.4 336.6 336.6 0.021 PARASH21 13 3 5761.2 0.4 0.3 233.0 232.9 -0.1 0.4 0.4 327.5 327.5 0.021 PARASH21 13 4 5584.5 0.4 0.3 224.6 224.5 -0.1 0.4 0.4 315.8 315.8 0.021 PARASH21 14 1 6256.5 0.1 0.1 224.8 224.8 0.0 0.1 0.1 315.8 315.8 0.021 PARASH21 14 2 5846.4 0.2 0.2 233.6 233.6 0.0 0.2 0.2 328.4 328.4 0.021 PARASH21 14 3 5059.4 0.2 0.2 230.8 230.8 0.0 0.2 0.2 324.7 324.7 0.021 PARASH21 14 4 5417.6 0.2 0.2 224.9 224.9 0.0 0.2 0.2 316.5 316.5 0.021 PARASH21 15 1 6040.8 0.0 0.0 214.6 214.6 0.0 0.0 0.0 301.7 301.7 0.021 PARASH21 15 2 5859.4 0.0 0.0 223.8 223.8 0.0 0.0 0.0 315.0 315.0 0.021 PARASH21 15 3 5757 0.0 0.0 230.9 230.9 0.0 0.0 0.0 325.1 325.1 0.021 PARASH21 15 4 6000.7 0.0 0.0 227.0 227.0 0.0 0.0 0.0 319.6 319.6 0.021 PARASH21 16 1 5759.9 0.0 0.0 203.8 203.8 0.0 0.0 0.0 286.5 286.5 0.021 PARASH21 16 2 5935 0.0 0.0 216.8 216.8 0.0 0.0 0.0 305.0 305.0 0.021 PARASH21 17 1 5943.9 0.0 0.0 192.2 192.2 0.0 0.0 0.0 270.2 270.2 0.01 PARSHAN1 1 1 4351.8 0.0 0.0 199.7 199.7 0.0 0.0 0.1 276.9 277.0 0.11 PARSHAN1 1 2 4534 0.0 0.2 198.6 198.9 0.3 0.1 0.2 275.5 275.6 0.11 PARSHAN1 1 3 5330.7 0.0 0.2 194.5 195.0 0.5 0.2 0.3 270.3 270.4 0.11 PARSHAN1 1 4 4885.1 1.2 1.6 188.3 189.3 1.0 1.6 1.7 262.4 262.5 0.11 PARSHAN1 1 5 5209.9 2.5 3.0 187.1 188.0 0.9 3.0 3.3 260.4 260.7 0.31 PARSHAN1 1 6 6450.7 3.2 3.6 189.0 189.4 0.4 3.7 3.9 262.0 262.2 0.21 PARSHAN1 2 1 3596.9 0.0 0.0 193.9 193.9 0.0 0.0 0.0 269.0 269.0 0.01 PARSHAN1 2 2 3869.4 0.0 0.1 193.9 194.0 0.1 0.1 0.2 268.9 269.0 0.11 PARSHAN1 2 3 3918.5 0.0 0.2 189.6 189.9 0.3 0.2 0.3 263.4 263.5 0.11 PARSHAN1 2 4 3979.3 0.1 0.4 184.5 185.3 0.8 0.4 0.5 257.3 257.4 0.11 PARSHAN1 2 5 4410 1.1 1.5 178.7 179.6 0.9 1.6 1.7 249.4 249.5 0.11 PARSHAN1 2 6 5176 2.4 3.0 182.2 183.0 0.8 2.9 3.2 253.1 253.4 0.31 PARSHAN1 2 9 2878.3 9.3 9.4 200.1 199.7 -0.4 9.9 10.0 274.5 274.6 0.11 PARSHAN1 3 1 3327.5 0.0 0.0 195.1 195.1 0.0 0.0 0.0 271.1 271.1 0.01 PARSHAN1 3 2 3610.6 0.0 0.0 189.7 189.7 0.0 0.0 0.1 263.1 263.2 0.11 PARSHAN1 3 3 3800.1 0.0 0.1 185.7 185.8 0.1 0.2 0.2 257.9 257.9 0.01 PARSHAN1 3 4 3933.7 0.0 0.2 179.4 179.8 0.4 0.3 0.3 249.8 249.8 0.01 PARSHAN1 3 5 4768.4 0.1 0.6 171.3 172.3 1.0 0.4 0.7 239.1 239.4 0.31 PARSHAN1 3 6 4172.7 1.0 1.6 174.4 175.5 1.1 1.4 1.7 243.2 243.5 0.31 PARSHAN1 3 7 5373.8 2.3 3.0 177.4 178.2 0.8 2.8 3.2 246.2 246.6 0.41 PARSHAN1 3 8 4669.2 3.5 3.9 182.5 182.7 0.2 3.9 4.2 252.1 252.4 0.31 PARSHAN1 4 1 3293.2 0.0 0.0 194.1 194.1 0.0 0.0 0.0 269.8 269.8 0.01 PARSHAN1 4 2 3542.1 0.0 0.0 187.0 187.0 0.0 0.0 0.0 259.3 259.3 0.01 PARSHAN1 4 3 3813.3 0.1 0.0 182.2 182.1 -0.1 0.1 0.1 252.6 252.6 0.01 PARSHAN1 4 4 3801.2 0.1 0.3 177.4 177.7 0.3 0.2 0.3 246.7 246.8 0.11 PARSHAN1 4 5 4042.7 0.1 0.4 168.6 169.2 0.6 0.3 0.4 235.0 235.1 0.11 PARSHAN1 4 6 3905 0.1 0.9 166.0 167.3 1.3 0.5 1.0 231.9 232.4 0.51 PARSHAN1 4 7 4200.7 0.9 1.7 168.7 169.7 1.0 1.3 1.8 234.6 235.1 0.51 PARSHAN1 4 8 4380 2.4 3.1 172.6 173.3 0.7 2.9 3.3 239.1 239.5 0.41 PARSHAN1 4 9 4382.5 3.6 4.0 176.7 176.9 0.2 4.1 4.3 244.1 244.3 0.21 PARSHAN1 5 1 3106.5 0.0 0.0 190.9 190.9 0.0 0.0 0.0 265.7 265.7 0.01 PARSHAN1 5 2 3537.1 0.0 0.0 187.0 187.0 0.0 0.0 0.0 259.6 259.6 0.01 PARSHAN1 5 3 3775 0.1 0.0 180.2 180.1 -0.1 0.1 0.0 249.9 249.8 -0.11 PARSHAN1 5 4 3362.2 0.1 0.2 176.1 176.2 0.1 0.1 0.2 244.5 244.6 0.11 PARSHAN1 5 5 3891.1 0.1 0.3 168.8 169.1 0.3 0.2 0.3 235.0 235.1 0.11 PARSHAN1 5 6 3842.2 0.1 0.4 161.7 162.4 0.7 0.4 0.5 225.9 226.0 0.11 PARSHAN1 5 7 4211.7 0.1 1.0 161.0 162.4 1.4 0.5 1.2 224.9 225.6 0.71 PARSHAN1 5 8 4196 0.8 1.8 163.4 164.5 1.1 1.3 1.9 227.2 227.8 0.61 PARSHAN1 5 9 4995.7 2.2 3.0 166.7 167.4 0.7 2.6 3.2 230.7 231.3 0.61 PARSHAN1 6 1 2973.5 0.0 0.0 199.5 199.5 0.0 0.0 0.0 278.1 278.1 0.01 PARSHAN1 6 2 3449.6 0.0 0.0 186.4 186.4 0.0 0.0 0.0 259.0 259.0 0.01 PARSHAN1 6 3 3656.8 0.0 0.0 178.1 178.1 0.0 0.1 0.0 247.2 247.1 -0.11 PARSHAN1 6 4 3848.4 0.1 0.1 172.0 172.0 0.0 0.1 0.1 238.6 238.6 0.01 PARSHAN1 6 5 4255.6 0.1 0.2 168.3 168.4 0.1 0.1 0.2 233.8 233.9 0.11 PARSHAN1 6 6 4011.8 0.1 0.3 161.2 161.5 0.3 0.3 0.4 224.7 224.8 0.11 PARSHAN1 6 7 4404.7 0.1 0.5 156.3 157.2 0.9 0.4 0.6 218.3 218.5 0.21 PARSHAN1 6 8 4390.8 0.1 1.1 157.8 159.1 1.3 0.5 1.3 220.0 220.8 0.81 PARSHAN1 6 9 4802.3 0.6 1.8 157.7 158.9 1.2 1.1 2.0 219.0 219.9 0.91 PARSHAN1 7 7 4103.7 0.1 0.3 155.1 155.6 0.5 0.3 0.4 216.4 216.5 0.11 PARSHAN1 7 8 4327.8 0.1 0.8 155.1 156.2 1.1 0.4 0.9 216.5 217.0 0.51 PARSHAN1 7 1 3007.7 0.0 0.0 204.3 204.3 0.0 0.0 0.0 285.2 285.2 0.01 PARSHAN1 7 2 3325.9 0.0 0.0 187.8 187.8 0.0 0.0 0.0 261.3 261.3 0.01 PARSHAN1 7 3 3701.5 0.0 0.0 180.5 180.5 0.0 0.0 0.0 250.5 250.5 0.01 PARSHAN1 7 4 4027.7 0.0 0.0 172.8 172.8 0.0 0.0 0.0 239.7 239.7 0.01 PARSHAN1 7 5 4354.2 0.0 0.0 164.7 164.7 0.0 0.0 0.0 228.9 228.9 0.01 PARSHAN1 7 6 4506.2 0.1 0.2 160.0 160.1 0.1 0.2 0.3 222.7 222.8 0.11 PARSHAN1 7 9 4850.6 0.1 1.3 153.7 155.1 1.4 0.5 1.4 214.1 215.0 0.91 PARSHAN1 8 7 4306.7 0.0 0.2 153.3 153.6 0.3 0.1 0.2 213.8 213.9 0.1
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
1 PARSHAN1 8 1 2980.3 0.0 0.0 207.9 207.9 0.0 0.0 0.0 290.5 290.5 0.01 PARSHAN1 8 2 3378.5 0.0 0.0 193.1 193.1 0.0 0.0 0.0 269.0 269.0 0.01 PARSHAN1 8 3 3646 0.0 0.0 182.5 182.5 0.0 0.0 0.0 253.5 253.5 0.01 PARSHAN1 8 4 4079.2 0.0 0.0 171.4 171.4 0.0 0.0 0.0 237.7 237.7 0.01 PARSHAN1 8 5 4496.7 0.0 0.0 164.6 164.6 0.0 0.0 0.0 228.5 228.5 0.01 PARSHAN1 8 6 4803.4 0.0 0.0 158.1 158.1 0.0 0.0 0.1 219.9 220.0 0.11 PARSHAN1 8 9 5521.9 0.1 0.9 152.4 153.6 1.2 0.4 1.0 212.5 213.1 0.61 PARSHAN1 9 1 2972.6 0.2 0.2 213.5 213.5 0.0 0.2 0.2 298.6 298.6 0.01 PARSHAN1 9 2 3554.9 0.2 0.2 196.6 196.6 0.0 0.2 0.2 274.0 274.0 0.01 PARSHAN1 9 8 4488.5 0.1 0.3 146.2 146.5 0.3 0.3 0.4 203.9 204.0 0.11 PARSHAN1 9 3 3787.8 0.1 0.1 183.6 183.6 0.0 0.1 0.1 255.2 255.2 0.01 PARSHAN1 9 4 4206 0.1 0.1 174.3 174.3 0.0 0.1 0.1 241.8 241.8 0.01 PARSHAN1 9 5 4350.8 0.1 0.1 165.0 165.0 0.0 0.1 0.1 229.1 229.1 0.01 PARSHAN1 9 6 4511.1 0.0 0.0 157.5 157.5 0.0 0.0 0.0 219.0 219.0 0.01 PARSHAN1 9 7 5013 0.0 0.0 151.5 151.5 0.0 0.0 0.1 211.0 211.1 0.11 PARSHAN1 10 3 3841.1 0.3 0.3 184.6 184.6 0.0 0.3 0.3 256.8 256.8 0.01 PARSHAN1 10 4 4009.3 0.3 0.3 177.2 177.2 0.0 0.3 0.3 245.9 245.9 0.01 PARSHAN1 10 5 4240.7 0.2 0.2 164.0 164.0 0.0 0.2 0.2 227.5 227.5 0.01 PARSHAN1 10 6 4302.1 0.2 0.2 157.2 157.2 0.0 0.2 0.2 218.3 218.3 0.01 PARSHAN1 10 7 3949.4 0.2 0.2 151.2 151.2 0.0 0.2 0.2 210.4 210.4 0.01 PARSHAN1 10 8 4904.6 0.1 0.2 144.3 144.4 0.1 0.2 0.3 201.2 201.3 0.11 PARSHAN1 10 9 4389 0.2 0.4 142.8 143.1 0.3 0.4 0.6 199.1 199.3 0.21 PARSHAN1 11 3 4157.8 0.4 0.3 188.9 188.8 -0.1 0.4 0.4 263.4 263.4 0.01 PARSHAN1 11 4 4908.6 0.4 0.3 177.4 177.3 -0.1 0.4 0.4 246.6 246.6 0.01 PARSHAN1 11 5 4355.1 0.3 0.3 166.6 166.6 0.0 0.4 0.4 231.4 231.4 0.01 PARSHAN1 11 6 4738.8 0.3 0.3 154.7 154.7 0.0 0.4 0.3 214.8 214.7 -0.11 PARSHAN1 11 7 4097.8 0.3 0.3 149.5 149.5 0.0 0.3 0.3 207.8 207.8 0.01 PARSHAN1 11 8 4186 0.3 0.3 144.8 144.8 0.0 0.3 0.4 201.7 201.8 0.11 PARSHAN1 11 9 4416 0.3 0.5 139.0 139.2 0.2 0.4 0.5 193.8 193.9 0.11 PARSHAN1 12 1 4518.7 0.4 0.4 223.7 223.7 0.0 0.4 0.4 314.2 314.2 0.01 PARSHAN1 12 2 4250.8 0.4 0.4 212.0 212.0 0.0 0.4 0.4 297.0 297.0 0.01 PARSHAN1 12 3 5561.7 0.4 0.4 190.3 190.3 0.0 0.4 0.4 265.7 265.7 0.01 PARSHAN1 12 4 5310.1 0.4 0.4 177.2 177.2 0.0 0.4 0.4 246.6 246.6 0.01 PARSHAN1 12 5 4635.5 0.4 0.4 169.6 169.6 0.0 0.4 0.4 235.6 235.6 0.01 PARSHAN1 12 6 5032.2 0.4 0.4 155.9 155.9 0.0 0.4 0.4 216.2 216.2 0.01 PARSHAN1 12 7 4210 0.4 0.3 146.1 146.0 -0.1 0.4 0.4 203.0 203.0 0.01 PARSHAN1 12 8 4589.8 0.3 0.3 141.2 141.2 0.0 0.4 0.4 196.8 196.8 0.01 PARSHAN1 12 9 4960.5 0.4 0.4 136.7 136.7 0.0 0.4 0.5 190.6 190.7 0.11 PARSHAN1 13 1 5651.1 0.4 0.3 224.6 224.5 -0.1 0.4 0.4 315.8 315.8 0.01 PARSHAN1 13 2 5356 0.4 0.3 214.4 214.3 -0.1 0.4 0.4 300.9 300.9 0.01 PARSHAN1 13 3 5477.9 0.3 0.3 198.0 198.0 0.0 0.4 0.4 277.0 277.0 0.01 PARSHAN1 13 4 5167.7 0.4 0.3 180.7 180.6 -0.1 0.4 0.4 251.8 251.8 0.01 PARSHAN1 13 5 4741.7 0.4 0.4 171.3 171.3 0.0 0.4 0.4 238.1 238.1 0.01 PARSHAN1 13 6 4848.1 0.4 0.4 159.2 159.2 0.0 0.4 0.4 221.2 221.2 0.01 PARSHAN1 13 7 4832.9 0.3 0.3 146.7 146.7 0.0 0.4 0.3 204.1 204.0 -0.11 PARSHAN1 13 8 5196 0.3 0.3 137.1 137.1 0.0 0.4 0.4 191.1 191.1 0.01 PARSHAN1 13 9 4996 0.4 0.4 132.2 132.2 0.0 0.4 0.4 184.3 184.3 0.01 PARSHAN1 14 1 5529 0.2 0.2 225.0 225.0 0.0 0.2 0.2 316.6 316.6 0.01 PARSHAN1 14 2 5251.7 0.3 0.2 217.1 217.0 -0.1 0.3 0.2 305.1 305.0 -0.11 PARSHAN1 14 3 5712.7 0.3 0.2 204.2 204.1 -0.1 0.3 0.3 286.1 286.1 0.01 PARSHAN1 14 4 5617.4 0.3 0.3 183.3 183.3 0.0 0.3 0.3 255.9 255.9 0.01 PARSHAN1 14 5 5248.8 0.3 0.3 171.6 171.6 0.0 0.3 0.3 238.9 238.9 0.01 PARSHAN1 14 6 5363.8 0.3 0.3 162.5 162.5 0.0 0.3 0.3 226.0 226.0 0.01 PARSHAN1 14 7 5010.8 0.3 0.3 148.2 148.2 0.0 0.3 0.3 206.1 206.1 0.01 PARSHAN1 14 8 5118.6 0.3 0.3 137.5 137.5 0.0 0.3 0.3 191.6 191.6 0.01 PARSHAN1 14 9 5196 0.4 0.4 130.3 130.3 0.0 0.4 0.4 181.5 181.5 0.01 PARSHAN1 15 1 6002.1 0.0 0.0 227.0 227.0 0.0 0.0 0.0 319.7 319.7 0.01 PARSHAN1 15 2 5804 0.1 0.1 220.7 220.7 0.0 0.1 0.1 310.3 310.3 0.01 PARSHAN1 15 3 5756.5 0.1 0.1 208.1 208.1 0.0 0.1 0.1 292.1 292.1 0.01 PARSHAN1 15 4 5597.2 0.1 0.1 190.7 190.7 0.0 0.1 0.1 266.8 266.8 0.01 PARSHAN1 15 5 5331.2 0.1 0.1 172.0 172.0 0.0 0.1 0.1 240.0 240.0 0.01 PARSHAN1 15 6 5229.5 0.2 0.1 164.2 164.1 -0.1 0.2 0.2 228.5 228.5 0.01 PARSHAN1 15 7 5206.6 0.2 0.1 152.1 152.0 -0.1 0.2 0.2 211.5 211.5 0.01 PARSHAN1 15 8 5126.3 0.2 0.2 139.9 139.9 0.0 0.2 0.2 194.8 194.8 0.01 PARSHAN1 16 3 5599 0.0 0.0 214.2 214.2 0.0 0.0 0.0 301.0 301.0 0.01 PARSHAN1 16 4 5445.1 0.0 0.0 197.8 197.8 0.0 0.0 0.0 277.2 277.2 0.01 PARSHAN1 16 5 5296.2 0.0 0.0 177.2 177.2 0.0 0.0 0.0 247.5 247.5 0.01 PARSHAN1 16 6 5308.2 0.0 0.0 165.2 165.2 0.0 0.0 0.0 230.0 230.0 0.01 PARSHAN1 16 7 5146 0.0 0.1 156.5 156.6 0.1 0.0 0.1 217.9 218.0 0.11 PARSHAN1 17 4 5437.2 0.0 0.0 203.4 203.4 0.0 0.0 0.0 285.3 285.3 0.01 PARSHAN1 17 5 5412.6 0.0 0.0 182.8 182.8 0.0 0.0 0.0 255.5 255.5 0.0
Grand Wash Cliffs Wilderness 0.021 PARASH21 8 1 2747.6 0.1 0.1 252.1 252.1 0.0 0.1 0.1 352.8 352.8 0.021 PARASH21 8 2 2824 0.1 0.1 242.5 242.5 0.0 0.1 0.1 339.7 339.7 0.021 PARASH21 8 3 2999 0.0 0.0 225.6 225.6 0.0 0.1 0.0 316.2 316.1 -0.121 PARASH21 9 3 3117.6 0.2 0.2 233.1 233.1 0.0 0.3 0.3 326.7 326.7 0.021 PARASH21 9 4 2963.5 0.2 0.2 213.4 213.4 0.0 0.2 0.2 298.4 298.4 0.021 PARASH21 9 1 3393.7 0.3 0.3 254.4 254.4 0.0 0.3 0.3 355.8 355.8 0.021 PARASH21 9 2 3189.6 0.3 0.3 245.2 245.2 0.0 0.3 0.3 343.5 343.5 0.021 PARASH21 10 1 4732.9 0.4 0.4 257.5 257.5 0.0 0.4 0.4 360.1 360.1 0.021 PARASH21 10 2 4428 0.4 0.4 245.8 245.8 0.0 0.4 0.4 344.5 344.5 0.021 PARASH21 10 3 4622.3 0.4 0.3 234.3 234.2 -0.1 0.4 0.4 328.5 328.5 0.021 PARASH21 10 4 4394.5 0.4 0.3 220.9 220.8 -0.1 0.4 0.4 309.4 309.4 0.021 PARASH21 11 1 5083.5 0.4 0.4 256.7 256.7 0.0 0.4 0.4 358.9 358.9 0.021 PARASH21 11 2 5018.3 0.4 0.4 244.2 244.2 0.0 0.4 0.4 342.4 342.4 0.021 PARASH21 11 3 4988.8 0.4 0.4 234.7 234.7 0.0 0.4 0.4 329.3 329.3 0.021 PARASH21 11 4 4438.2 0.4 0.4 223.8 223.8 0.0 0.4 0.4 313.8 313.8 0.01 PARSHAN1 9 1 2972.6 0.2 0.2 213.5 213.5 0.0 0.2 0.2 298.6 298.6 0.01 PARSHAN1 9 2 3554.9 0.2 0.2 196.6 196.6 0.0 0.2 0.2 274.0 274.0 0.01 PARSHAN1 10 1 4395.3 0.4 0.3 221.1 221.0 -0.1 0.4 0.4 309.4 309.4 0.01 PARSHAN1 10 2 3359.6 0.3 0.3 200.5 200.5 0.0 0.4 0.3 280.0 279.9 -0.11 PARSHAN1 11 1 4438.7 0.4 0.4 223.8 223.8 0.0 0.4 0.4 313.8 313.8 0.01 PARSHAN1 11 2 3910.4 0.4 0.4 204.3 204.3 0.0 0.4 0.4 285.7 285.7 0.0
Gunlock SP 0.040 REDMTN40 1 2 3595 5.8 3.9 142.9 142.7 -0.2 5.9 4.1 197.5 197.4 -0.140 REDMTN40 1 3 3795 6.2 1.1 152.6 152.4 -0.2 6.3 1.2 211.3 211.2 -0.140 REDMTN40 2 2 4785.8 3.2 0.9 128.3 128.4 0.1 3.3 1.0 177.7 177.8 0.140 REDMTN40 2 3 3958.2 3.3 0.6 131.9 131.8 -0.1 3.4 0.7 183.1 183.1 0.0
Iron Mission State Park Museum 0.014 PAIUTE14 3 3 5797 10.2 10.2 73.9 73.9 0.0 10.6 12.6 98.2 100.2 2.0
Joshua Tree Instant Study Area 0.04 BEAVER4 1 7 3374 3.5 2.9 171.5 170.9 -0.6 3.6 3.0 239.4 238.8 -0.64 BEAVER4 2 7 4567.8 3.7 3.8 157.7 157.8 0.1 3.9 4.0 220.1 220.2 0.14 BEAVER4 2 8 4674.8 2.8 2.8 156.9 156.9 0.0 3.0 3.0 219.2 219.2 0.0
Kaibab Indian Reservation 0.017 KAIBAB17 1 1 4808.2 0.0 0.1 131.9 132.0 0.1 0.1 0.2 183.2 183.3 0.117 KAIBAB17 1 2 4911.2 0.2 0.3 131.3 131.4 0.1 0.2 0.4 182.3 182.5 0.217 KAIBAB17 1 3 5254.4 0.3 0.5 129.3 129.5 0.2 0.3 0.5 179.8 180.0 0.217 KAIBAB17 1 4 5750.2 0.3 0.6 128.8 129.1 0.3 0.3 0.5 179.5 179.7 0.217 KAIBAB17 1 5 5766.8 2.1 2.1 129.4 129.4 0.0 2.1 1.8 179.8 179.5 -0.317 KAIBAB17 1 6 5811.7 3.4 3.3 130.5 130.4 -0.1 3.5 3.0 181.1 180.6 -0.517 KAIBAB17 1 7 5714.3 3.0 2.8 129.1 128.9 -0.2 3.1 2.6 179.0 178.5 -0.517 KAIBAB17 1 8 5726.4 3.0 2.7 130.2 129.9 -0.3 3.1 1.5 180.5 178.9 -1.617 KAIBAB17 2 1 4760.5 0.1 0.1 127.3 127.3 0.0 0.1 0.1 176.6 176.6 0.017 KAIBAB17 2 2 4896.2 0.2 0.2 128.3 128.3 0.0 0.2 0.3 178.1 178.2 0.117 KAIBAB17 2 3 5505.5 0.3 0.5 127.3 127.5 0.2 0.3 0.3 176.9 176.9 0.017 KAIBAB17 2 4 5649.7 0.4 0.7 124.4 124.7 0.3 0.4 0.5 173.3 173.4 0.117 KAIBAB17 2 5 6203.4 1.9 2.0 124.7 124.8 0.1 2.0 1.7 173.4 173.1 -0.317 KAIBAB17 2 6 6330.8 3.2 3.1 123.9 123.8 -0.1 3.3 2.9 171.9 171.5 -0.417 KAIBAB17 2 7 6196.9 2.8 2.6 124.4 124.2 -0.2 2.9 2.5 172.7 172.3 -0.417 KAIBAB17 2 8 5993.8 2.8 2.5 126.0 125.7 -0.3 2.9 1.6 174.8 173.5 -1.317 KAIBAB17 3 2 4844.7 0.2 0.3 125.3 125.4 0.1 0.2 0.2 173.8 173.8 0.017 KAIBAB17 3 3 4987.1 0.3 0.5 124.8 125.0 0.2 0.3 0.4 173.4 173.5 0.117 KAIBAB17 3 1 4714.3 0.1 0.1 124.0 124.0 0.0 0.1 0.1 171.9 171.9 0.017 KAIBAB17 3 4 5657.2 0.6 0.9 121.4 121.7 0.3 0.7 0.6 168.9 168.8 -0.117 KAIBAB17 3 5 5204.5 2.6 2.6 121.3 121.3 0.0 2.7 2.4 168.3 168.0 -0.317 KAIBAB17 3 6 5997.9 3.3 3.1 119.2 119.0 -0.2 3.5 3.0 165.2 164.7 -0.517 KAIBAB17 3 7 6013.2 3.0 2.7 120.7 120.4 -0.3 3.1 2.5 167.5 166.9 -0.617 KAIBAB17 3 8 5801.7 3.1 2.8 121.0 120.7 -0.3 3.3 2.1 168.0 166.8 -1.217 KAIBAB17 4 2 4825.3 0.2 0.4 122.7 122.9 0.2 0.2 0.3 170.1 170.2 0.117 KAIBAB17 4 3 5095.9 0.3 0.5 121.7 121.9 0.2 0.3 0.4 168.8 168.9 0.117 KAIBAB17 4 7 5729.6 3.7 3.3 115.8 115.4 -0.4 3.8 2.3 160.3 158.8 -1.517 KAIBAB17 4 1 4593.8 0.1 0.1 121.6 121.6 0.0 0.1 0.1 168.8 168.8 0.017 KAIBAB17 4 4 5000 1.0 1.2 119.7 119.9 0.2 1.0 0.9 166.1 166.0 -0.117 KAIBAB17 4 5 5563.6 2.7 2.6 117.1 117.0 -0.1 2.8 2.3 162.3 161.8 -0.517 KAIBAB17 4 6 5779.1 3.5 3.2 115.6 115.3 -0.3 3.6 3.0 160.0 159.4 -0.617 KAIBAB17 4 8 5725 3.0 2.7 114.8 114.5 -0.3 3.2 2.0 159.5 158.3 -1.217 KAIBAB17 5 7 5433.5 4.2 3.7 109.3 108.8 -0.5 4.3 2.7 151.0 149.4 -1.617 KAIBAB17 5 1 4550 0.1 0.1 116.5 116.5 0.0 0.1 0.1 161.6 161.6 0.017 KAIBAB17 5 2 4592.8 0.2 0.4 117.2 117.4 0.2 0.3 0.3 162.5 162.5 0.0
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
17 KAIBAB17 5 3 4749.7 0.3 0.6 116.8 117.1 0.3 0.3 0.5 162.0 162.2 0.217 KAIBAB17 5 4 5050.9 1.0 1.2 115.9 116.1 0.2 1.1 0.9 160.5 160.3 -0.217 KAIBAB17 5 5 5150.7 2.9 2.8 113.9 113.8 -0.1 3.0 2.6 157.5 157.1 -0.417 KAIBAB17 5 6 5212.9 3.6 3.3 110.7 110.4 -0.3 3.8 3.2 153.1 152.5 -0.617 KAIBAB17 5 8 6766.7 2.6 2.3 107.0 106.7 -0.3 2.7 1.6 148.7 147.6 -1.117 KAIBAB17 6 1 4557 0.1 0.2 111.4 111.5 0.1 0.1 0.1 154.4 154.4 0.017 KAIBAB17 6 2 4598.2 0.2 0.5 112.7 113.0 0.3 0.3 0.4 156.1 156.2 0.117 KAIBAB17 6 3 4834.4 0.3 0.6 112.5 112.8 0.3 0.3 0.5 155.8 156.0 0.217 KAIBAB17 6 4 5000 1.2 1.3 111.7 111.8 0.1 1.2 1.0 154.5 154.3 -0.217 KAIBAB17 6 5 5000 2.8 2.7 109.7 109.6 -0.1 2.9 2.4 151.5 151.0 -0.517 KAIBAB17 6 6 5008 3.7 3.3 105.5 105.1 -0.4 3.8 3.2 145.5 144.9 -0.617 KAIBAB17 6 7 5337.6 4.7 4.2 102.4 101.9 -0.5 4.9 3.3 141.4 139.8 -1.617 KAIBAB17 6 8 5972.2 3.7 3.2 102.7 102.3 -0.4 3.8 2.4 142.1 140.7 -1.428 KAIBAB28 1 1 4559.4 0.1 0.2 111.3 111.4 0.1 0.2 0.2 154.5 154.5 0.028 KAIBAB28 1 2 4599.3 0.2 0.5 112.5 112.8 0.3 0.3 0.4 155.9 156.0 0.128 KAIBAB28 1 3 4842.4 0.3 0.6 112.3 112.6 0.3 0.3 0.5 155.5 155.7 0.228 KAIBAB28 1 4 5000 1.3 1.4 111.5 111.6 0.1 1.3 1.0 154.2 153.9 -0.328 KAIBAB28 1 5 5000 2.9 2.7 109.3 109.1 -0.2 3.0 2.5 151.0 150.5 -0.528 KAIBAB28 1 6 5028.2 3.6 3.3 104.9 104.6 -0.3 3.8 3.1 144.9 144.2 -0.728 KAIBAB28 1 7 5344.9 4.7 4.2 102.4 101.9 -0.5 4.9 3.3 141.3 139.7 -1.628 KAIBAB28 1 8 5862.2 3.7 3.2 102.6 102.2 -0.4 3.9 2.5 142.0 140.6 -1.428 KAIBAB28 2 1 4547.9 0.2 0.3 105.5 105.6 0.1 0.2 0.2 146.2 146.2 0.028 KAIBAB28 2 2 4586 0.3 0.5 107.7 107.9 0.2 0.3 0.5 149.1 149.3 0.228 KAIBAB28 2 3 4749.6 0.3 0.6 107.8 108.1 0.3 0.3 0.5 149.0 149.2 0.228 KAIBAB28 2 4 4991.3 1.3 1.4 106.8 106.9 0.1 1.4 1.0 147.7 147.3 -0.428 KAIBAB28 2 5 5003.3 2.9 2.7 106.5 106.3 -0.2 3.0 2.5 146.8 146.3 -0.528 KAIBAB28 2 6 5020.5 4.4 3.9 104.9 104.4 -0.5 4.6 3.1 144.6 143.1 -1.528 KAIBAB28 2 7 5134.9 4.9 4.3 100.2 99.7 -0.5 5.1 3.6 138.2 136.7 -1.528 KAIBAB28 2 8 5295.3 4.0 3.5 99.1 98.7 -0.4 4.1 3.2 137.0 136.1 -0.928 KAIBAB28 3 1 4500.8 0.2 0.4 101.3 101.5 0.2 0.2 0.3 140.4 140.5 0.128 KAIBAB28 3 2 4501 0.2 0.6 105.5 105.9 0.4 0.3 0.5 146.1 146.3 0.228 KAIBAB28 3 3 4556 0.3 0.6 106.1 106.4 0.3 0.3 0.6 146.7 147.0 0.328 KAIBAB28 3 4 4778.4 1.3 1.3 106.6 106.6 0.0 1.3 1.0 147.1 146.8 -0.328 KAIBAB28 3 5 4799 2.9 2.5 106.5 106.1 -0.4 3.0 2.4 146.8 146.2 -0.628 KAIBAB28 3 6 4887.6 4.5 3.9 104.3 103.7 -0.6 4.7 3.0 143.6 141.9 -1.728 KAIBAB28 3 7 4924.3 5.2 4.6 100.7 100.2 -0.5 5.4 3.9 138.7 137.2 -1.528 KAIBAB28 3 8 5149.7 4.2 3.7 96.4 96.0 -0.4 4.3 3.5 133.4 132.6 -0.8
Kaibab National Forest 0.025 KAIFST25 1 4 5600 0.0 0.0 93.3 93.3 0.0 0.0 0.0 131.2 131.2 0.025 KAIFST25 1 3 5669.8 0.0 0.0 98.8 98.8 0.0 0.0 0.0 139.0 139.0 0.025 KAIFST25 2 3 4200.2 0.0 0.0 95.0 95.0 0.0 0.0 0.0 133.7 133.7 0.024 SOUTH24 9 1 5600 0.2 0.2 107.4 107.4 0.0 0.2 0.2 151.1 151.1 0.024 SOUTH24 9 2 5470.5 0.2 0.2 105.9 105.9 0.0 0.2 0.2 148.9 148.9 0.024 SOUTH24 10 1 5698 0.2 0.2 109.4 109.4 0.0 0.2 0.2 153.8 153.8 0.024 SOUTH24 10 2 5607 0.1 0.1 106.7 106.7 0.0 0.1 0.1 150.1 150.1 0.024 SOUTH24 11 1 5800 0.1 0.1 106.5 106.5 0.0 0.1 0.1 149.8 149.8 0.024 SOUTH24 11 2 5698 0.1 0.1 103.8 103.8 0.0 0.1 0.1 146.0 146.0 0.0
Kanab Creek Wilderness 0.025 KAIFST25 1 4 5600 0.0 0.0 93.3 93.3 0.0 0.0 0.0 131.2 131.2 0.025 KAIFST25 1 5 5567.4 0.0 0.0 88.9 88.9 0.0 0.0 0.0 124.9 124.9 0.025 KAIFST25 1 6 4216.8 0.0 0.0 85.7 85.7 0.0 0.0 0.0 120.3 120.3 0.025 KAIFST25 2 3 4200.2 0.0 0.0 95.0 95.0 0.0 0.0 0.0 133.7 133.7 0.025 KAIFST25 2 4 3918.2 0.0 0.0 91.1 91.1 0.0 0.0 0.0 128.1 128.1 0.025 KAIFST25 2 5 3771.9 0.0 0.0 86.7 86.7 0.0 0.0 0.0 121.8 121.8 0.025 KAIFST25 2 6 3398 0.0 0.0 82.7 82.7 0.0 0.0 0.0 116.2 116.2 0.025 KAIFST25 3 3 4002 0.0 0.0 93.3 93.3 0.0 0.0 0.0 131.2 131.2 0.025 KAIFST25 3 4 3957 0.0 0.0 89.2 89.2 0.0 0.0 0.0 125.4 125.4 0.025 KAIFST25 3 5 4184.9 0.0 0.0 85.2 85.2 0.0 0.0 0.0 119.8 119.8 0.025 KAIFST25 3 6 3824.3 0.0 0.0 81.8 81.8 0.0 0.0 0.0 115.0 115.0 0.026 KANCRK26 2 1 5171.3 0.0 0.0 89.7 89.7 0.0 0.0 0.0 126.0 126.0 0.026 KANCRK26 2 2 4749.9 0.0 0.0 86.7 86.7 0.0 0.0 0.0 121.9 121.9 0.026 KANCRK26 3 1 4600.7 0.0 0.0 85.8 85.8 0.0 0.0 0.0 120.6 120.6 0.026 KANCRK26 3 2 5036.6 0.0 0.0 83.1 83.1 0.0 0.0 0.0 116.7 116.7 0.026 KANCRK26 4 1 3398 0.0 0.0 83.2 83.2 0.0 0.0 0.0 117.0 117.0 0.026 KANCRK26 4 2 5196.7 0.0 0.0 78.7 78.7 0.0 0.0 0.0 110.4 110.4 0.026 KANCRK26 5 1 3768.4 0.0 0.0 81.6 81.6 0.0 0.0 0.0 114.6 114.6 0.026 KANCRK26 5 2 3617.9 0.0 0.0 80.1 80.1 0.0 0.0 0.0 112.5 112.5 0.027 KANCRK27 1 1 3624 0.0 0.0 77.8 77.8 0.0 0.0 0.0 109.2 109.2 0.027 KANCRK27 1 2 5212.1 0.0 0.0 75.2 75.2 0.0 0.0 0.0 105.6 105.6 0.027 KANCRK27 1 3 5213.6 0.0 0.0 75.5 75.5 0.0 0.0 0.0 106.0 106.0 0.027 KANCRK27 1 4 5099.3 0.0 0.0 77.5 77.5 0.0 0.0 0.0 108.8 108.8 0.027 KANCRK27 2 1 3827.8 0.0 0.0 82.4 82.4 0.0 0.0 0.0 115.8 115.8 0.027 KANCRK27 2 2 3794 0.0 0.0 80.2 80.2 0.0 0.0 0.0 112.6 112.6 0.027 KANCRK27 2 3 3923.2 0.0 0.0 79.8 79.8 0.0 0.0 0.0 112.1 112.1 0.027 KANCRK27 2 4 4802.7 0.0 0.0 80.1 80.1 0.0 0.0 0.0 112.5 112.5 0.0
Lake Mead National Recreation Area 0.046 LKMEAD46 1 1 1617.3 4.1 4.2 276.7 277.2 0.5 4.2 4.4 382.4 382.6 0.246 LKMEAD46 1 2 1930.2 2.0 2.0 286.4 288.3 1.9 2.1 2.1 398.5 398.5 0.046 LKMEAD46 2 1 1283 11.0 11.0 278.7 278.2 -0.5 11.5 11.6 381.9 382.0 0.146 LKMEAD46 2 2 1317.2 7.0 7.0 282.9 283.0 0.1 7.4 7.5 389.8 389.9 0.146 LKMEAD46 2 3 1339 3.2 3.1 285.9 286.9 1.0 3.3 3.2 396.2 396.1 -0.146 LKMEAD46 2 4 1375.5 2.3 2.1 293.8 295.5 1.7 2.2 2.3 408.8 408.9 0.146 LKMEAD46 3 1 1542.3 14.2 14.3 267.9 267.8 -0.1 15.2 15.1 366.3 366.2 -0.146 LKMEAD46 3 2 2062.9 11.7 11.8 278.4 278.0 -0.4 12.5 12.5 381.4 381.4 0.046 LKMEAD46 3 3 1809.8 8.9 8.9 284.2 284.6 0.4 9.6 9.5 391.6 391.5 -0.146 LKMEAD46 3 4 1447.8 5.9 5.7 287.7 288.9 1.2 6.1 6.0 398.3 398.2 -0.146 LKMEAD46 4 1 1677.1 13.8 14.0 255.5 255.8 0.3 14.9 14.8 349.7 349.6 -0.147 LKMEAD47 1 1 1299.8 14.8 14.6 253.8 253.5 -0.3 15.3 15.4 346.1 346.2 0.147 LKMEAD47 1 2 1312 12.9 12.8 266.6 266.2 -0.4 13.4 13.5 364.5 364.6 0.147 LKMEAD47 1 3 1240.8 10.2 10.1 274.7 274.6 -0.1 10.5 10.7 377.0 377.2 0.247 LKMEAD47 1 4 1604.5 4.0 4.1 277.1 277.7 0.6 4.1 4.3 383.0 383.2 0.247 LKMEAD47 2 1 1079 15.1 15.0 244.4 244.5 0.1 15.7 15.8 333.4 333.5 0.147 LKMEAD47 2 2 1079 16.4 16.2 258.8 259.0 0.2 17.1 17.1 353.3 353.3 0.047 LKMEAD47 2 3 1265.6 14.2 14.1 268.5 268.3 -0.2 14.8 14.9 366.8 366.9 0.147 LKMEAD47 2 4 1281.6 10.9 10.9 278.8 278.3 -0.5 11.4 11.5 382.1 382.2 0.147 LKMEAD47 3 1 1242.2 14.0 13.9 237.1 237.5 0.4 14.6 14.6 324.0 324.0 0.047 LKMEAD47 3 2 1432.7 14.6 14.6 245.7 246.2 0.5 15.3 15.5 336.1 336.3 0.247 LKMEAD47 3 3 1443.8 14.7 14.8 258.6 258.9 0.3 15.5 15.7 353.4 353.6 0.247 LKMEAD47 3 4 1537.2 14.2 14.3 268.5 268.4 -0.1 15.1 15.0 366.9 366.8 -0.147 LKMEAD47 4 1 1658.1 9.8 9.8 231.5 232.0 0.5 10.3 10.4 317.9 318.0 0.147 LKMEAD47 4 2 1597.3 13.4 13.4 241.4 242.0 0.6 14.1 14.2 330.7 330.8 0.147 LKMEAD47 4 3 1611.9 13.6 13.7 249.6 250.2 0.6 14.5 14.5 342.2 342.2 0.047 LKMEAD47 4 4 1675 13.8 14.0 255.9 256.2 0.3 14.9 14.8 350.1 350.0 -0.147 LKMEAD47 5 3 1967.4 12.3 12.4 241.2 241.9 0.7 13.1 13.1 331.2 331.2 0.0
La Varkin Creek WSA 0.019 ZION19 1 2 6517.5 0.1 0.3 79.4 79.6 0.2 0.2 0.8 111.3 111.9 0.619 ZION19 1 3 6653.9 0.1 0.1 77.4 77.4 0.0 0.2 0.9 108.2 108.9 0.7
Lime Canyon WSA 0.047 LKMEAD47 4 1 1658.1 9.8 9.8 231.5 232.0 0.5 10.3 10.4 317.9 318.0 0.147 LKMEAD47 4 2 1597.3 13.4 13.4 241.4 242.0 0.6 14.1 14.2 330.7 330.8 0.147 LKMEAD47 5 1 2599.1 6.8 6.9 227.5 227.9 0.4 7.3 7.3 313.6 313.6 0.047 LKMEAD47 5 2 1816 10.5 10.6 238.4 239.1 0.7 11.4 11.2 328.2 328.0 -0.247 LKMEAD47 6 1 2167.1 2.5 2.7 223.1 223.4 0.3 2.8 2.8 309.0 309.0 0.0
Moquith Mountains WSA 0.017 KAIBAB17 4 7 5729.6 3.7 3.3 115.8 115.4 -0.4 3.8 2.3 160.3 158.8 -1.517 KAIBAB17 5 7 5433.5 4.2 3.7 109.3 108.8 -0.5 4.3 2.7 151.0 149.4 -1.629 MOQMTN29 1 2 5983.1 2.5 2.1 110.0 109.7 -0.3 2.6 1.2 152.7 151.3 -1.429 MOQMTN29 1 3 6230.9 3.0 2.4 111.7 111.3 -0.4 3.1 1.7 154.7 153.3 -1.429 MOQMTN29 1 1 5819.2 3.1 2.7 110.3 109.9 -0.4 3.3 2.0 153.2 151.9 -1.329 MOQMTN29 2 1 6822.5 2.8 2.5 102.7 102.4 -0.3 2.9 1.7 142.4 141.2 -1.229 MOQMTN29 2 2 6665.9 1.9 1.6 102.5 102.3 -0.2 2.0 0.8 142.6 141.4 -1.229 MOQMTN29 2 3 6605.7 2.0 1.7 104.0 103.9 -0.1 2.1 1.2 144.6 143.7 -0.929 MOQMTN29 2 4 6431.1 2.9 2.3 108.8 108.4 -0.4 3.0 2.8 150.6 150.4 -0.229 MOQMTN29 3 1 5448.3 3.8 3.3 99.5 99.1 -0.4 4.0 3.0 137.7 136.7 -1.029 MOQMTN29 3 2 6393 1.9 1.5 97.2 96.9 -0.3 1.9 0.8 135.1 134.0 -1.129 MOQMTN29 3 3 6428.9 1.6 1.4 97.0 96.9 -0.1 1.7 1.2 135.0 134.5 -0.529 MOQMTN29 3 4 6197 2.9 2.3 102.7 102.2 -0.5 3.0 2.8 142.1 141.9 -0.229 MOQMTN29 3 5 6042.3 3.6 2.8 108.2 107.3 -0.9 3.8 3.5 149.3 149.0 -0.329 MOQMTN29 4 1 5185.9 4.2 3.7 97.9 97.5 -0.4 4.4 3.6 135.5 134.7 -0.829 MOQMTN29 4 2 5959.1 2.2 1.9 96.6 96.4 -0.2 2.3 1.2 134.3 133.2 -1.129 MOQMTN29 4 3 6199.3 1.0 0.8 97.1 97.0 -0.1 1.0 1.1 135.2 135.3 0.1
Morman Mountains WSA 0.045 WEST45 1 1 3097.5 0.0 0.0 121.2 121.2 0.0 0.0 0.0 169.6 169.6 0.045 WEST45 1 2 3506.5 0.0 0.0 104.9 104.9 0.0 0.0 0.0 146.9 146.9 0.045 WEST45 1 3 3989.1 0.0 0.0 90.5 90.5 0.0 0.0 0.0 126.8 126.8 0.045 WEST45 1 4 3966.5 0.0 0.0 75.7 75.7 0.0 0.0 0.0 105.9 105.9 0.045 WEST45 1 5 5001.5 0.0 0.0 61.0 61.0 0.0 0.0 0.0 85.6 85.6 0.045 WEST45 1 6 3795 0.0 0.0 54.4 54.4 0.0 0.0 0.0 76.3 76.3 0.045 WEST45 1 7 4177.3 0.0 0.0 46.2 46.2 0.0 0.0 0.0 64.7 64.7 0.045 WEST45 1 8 4622.5 0.0 0.0 37.8 37.8 0.0 0.0 0.0 53.0 53.0 0.0
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
45 WEST45 1 9 3659.6 0.0 0.0 31.3 31.3 0.0 0.0 0.0 43.8 43.8 0.045 WEST45 1 10 3365.3 0.0 0.0 28.7 28.7 0.0 0.0 0.0 40.2 40.2 0.045 WEST45 1 11 3334.6 0.0 0.0 26.2 26.2 0.0 0.0 0.0 36.8 36.8 0.045 WEST45 2 2 3416.3 0.0 0.0 123.3 123.3 0.0 0.0 0.0 172.6 172.6 0.045 WEST45 2 3 3601.2 0.0 0.0 106.6 106.6 0.0 0.0 0.0 149.3 149.3 0.045 WEST45 2 4 3398 0.0 0.0 93.8 93.8 0.0 0.0 0.0 131.4 131.4 0.045 WEST45 2 5 3387.7 0.0 0.0 78.9 78.9 0.0 0.0 0.0 110.5 110.5 0.045 WEST45 2 6 3413.6 0.0 0.0 66.2 66.2 0.0 0.0 0.0 92.9 92.9 0.045 WEST45 2 7 3578 0.0 0.0 56.6 56.6 0.0 0.0 0.0 79.3 79.3 0.045 WEST45 2 8 3414.6 0.0 0.0 49.4 49.4 0.0 0.0 0.0 69.1 69.1 0.045 WEST45 2 9 3198 0.0 0.0 42.3 42.3 0.0 0.0 0.0 59.3 59.3 0.045 WEST45 2 10 3198.6 0.0 0.0 34.3 34.3 0.0 0.0 0.0 48.2 48.2 0.045 WEST45 3 6 3347.2 0.0 0.0 81.9 81.9 0.0 0.0 0.0 114.5 114.5 0.045 WEST45 3 7 3182.5 0.0 0.0 70.1 70.1 0.0 0.0 0.0 98.3 98.3 0.045 WEST45 3 8 3011.9 0.0 0.0 59.8 59.8 0.0 0.0 0.0 83.9 83.9 0.045 WEST45 3 9 3159 0.0 0.0 51.8 51.8 0.0 0.0 0.0 72.6 72.6 0.0
Mount Trumbull Wilderness 0.023 SOUTH23 1 1 6432.2 0.0 0.0 59.8 59.8 0.0 0.0 0.0 83.5 83.5 0.023 SOUTH23 2 1 6409.6 0.0 0.0 55.2 55.2 0.0 0.0 0.0 77.0 77.0 0.023 SOUTH23 3 1 5834.5 0.0 0.0 55.1 55.1 0.0 0.0 0.0 77.0 77.0 0.0
North Fork Virgin River WSA 0.035 DEEPCK35 4 1 6531 0.3 0.7 80.1 80.8 0.7 0.3 1.2 111.5 112.4 0.935 DEEPCK35 5 1 6132 0.2 0.4 86.2 86.7 0.5 0.2 0.8 119.4 120.0 0.634 ORDERV34 1 4 6097.2 0.2 0.5 89.4 90.0 0.6 0.2 0.9 123.7 124.4 0.734 ORDERV34 1 5 6564.9 0.3 0.7 79.7 80.4 0.7 0.3 1.2 110.8 111.7 0.934 ORDERV34 2 4 6187.9 0.2 0.4 90.8 91.3 0.5 0.3 0.7 125.4 125.8 0.434 ORDERV34 2 5 6150.9 0.2 0.4 85.8 86.3 0.5 0.2 0.8 118.9 119.5 0.6
Orderville Canyon WSA 0.034 ORDERV34 1 2 5613.5 0.2 1.3 97.6 99.2 1.6 0.7 1.5 134.9 135.7 0.834 ORDERV34 1 3 6168.3 0.2 0.9 93.5 94.6 1.1 0.4 0.9 129.2 129.7 0.534 ORDERV34 2 2 6681.3 0.2 1.2 101.0 102.3 1.3 0.7 1.4 138.7 139.4 0.734 ORDERV34 2 3 5805 0.2 0.9 94.7 95.8 1.1 0.5 1.0 130.7 131.2 0.5
Shivwits Paiute Indian Reservation 0.05 PAIUTEW5 1 1 5404.1 2.3 2.2 168.5 168.4 -0.1 2.4 2.3 235.3 235.2 -0.15 PAIUTEW5 1 2 5534.5 1.8 1.3 169.3 168.8 -0.5 1.9 1.3 236.1 235.5 -0.65 PAIUTEW5 1 3 5734 1.7 1.1 175.6 175.0 -0.6 1.8 1.2 245.0 244.4 -0.65 PAIUTEW5 1 4 4794 1.9 1.9 177.8 177.8 0.0 1.9 2.0 248.0 248.1 0.15 PAIUTEW5 1 5 4435.6 2.7 2.5 173.9 173.7 -0.2 2.8 2.6 242.4 242.2 -0.25 PAIUTEW5 2 1 4397.5 2.6 2.5 144.8 144.7 -0.1 2.7 2.6 201.7 201.6 -0.15 PAIUTEW5 2 2 4263.1 3.2 3.1 149.9 149.8 -0.1 3.3 3.2 208.1 208.0 -0.15 PAIUTEW5 2 3 4639.8 4.0 3.5 155.9 155.4 -0.5 4.2 3.7 216.2 215.7 -0.55 PAIUTEW5 2 4 4069.6 4.9 4.6 153.9 153.6 -0.3 5.0 4.8 212.9 212.7 -0.25 PAIUTEW5 2 5 3992.7 5.6 5.3 156.7 156.4 -0.3 5.7 5.5 216.8 216.6 -0.25 PAIUTEW5 3 1 4055.1 3.4 3.0 124.9 124.5 -0.4 3.6 3.1 173.7 173.2 -0.55 PAIUTEW5 3 2 3899.4 6.5 5.7 132.7 131.9 -0.8 6.7 6.0 183.0 182.3 -0.75 PAIUTEW5 3 3 3705 6.7 5.8 135.8 134.9 -0.9 6.9 6.0 186.7 185.8 -0.95 PAIUTEW5 3 4 3452 5.9 5.7 137.5 137.3 -0.2 6.1 5.9 189.4 189.2 -0.25 PAIUTEW5 3 5 3786.5 5.6 5.4 137.8 137.6 -0.2 5.8 5.6 190.1 189.9 -0.25 PAIUTEW5 4 1 3784 7.7 6.5 114.5 113.3 -1.2 8.1 6.8 157.6 156.3 -1.35 PAIUTEW5 4 2 3595 8.2 6.7 117.3 115.8 -1.5 8.6 7.0 161.2 159.6 -1.65 PAIUTEW5 4 3 3945.1 9.4 7.8 119.4 117.8 -1.6 9.8 8.1 163.3 161.6 -1.75 PAIUTEW5 4 4 3411.7 6.9 6.1 120.0 119.2 -0.8 7.1 6.4 164.6 163.9 -0.75 PAIUTEW5 4 5 4513.1 4.8 4.7 121.8 121.7 -0.1 5.0 4.9 167.8 167.7 -0.15 PAIUTEW5 5 1 3448.2 11.0 7.2 105.3 101.5 -3.8 11.6 7.6 143.4 139.4 -4.05 PAIUTEW5 5 2 3226.4 10.1 7.2 105.4 102.5 -2.9 10.6 7.5 143.8 140.7 -3.15 PAIUTEW5 5 3 3198 10.1 8.1 106.3 104.3 -2.0 10.7 8.5 145.1 142.9 -2.25 PAIUTEW5 5 4 3356.7 6.3 4.8 105.4 103.9 -1.5 6.7 5.1 144.8 143.2 -1.65 PAIUTEW5 5 5 4916.2 2.4 1.8 106.1 105.5 -0.6 2.5 1.9 146.8 146.2 -0.6
Cedar City Paiute Indian Reservation 0.014 PAIUTE14 1 1 5495 16.6 16.7 105.4 105.5 0.1 17.1 19.5 142.3 144.7 2.414 PAIUTE14 1 2 5482 16.2 16.2 107.0 107.0 0.0 16.7 19.2 141.1 143.6 2.514 PAIUTE14 2 1 6356.4 9.9 9.9 106.0 106.0 0.0 10.3 12.3 115.6 117.6 2.014 PAIUTE14 2 2 5993.7 14.4 14.4 86.1 86.1 0.0 14.9 17.0 118.7 120.9 2.214 PAIUTE14 3 1 6498.6 3.4 3.5 89.5 89.6 0.1 3.6 5.1 90.5 92.1 1.614 PAIUTE14 3 2 5974.5 7.4 7.4 66.4 66.4 0.0 7.7 9.5 95.4 97.2 1.8
Paiute Wilderness 0.04 BEAVER4 1 1 2565.2 22.7 20.1 188.4 185.8 -2.6 23.6 20.9 254.8 252.1 -2.74 BEAVER4 1 2 1992.4 25.3 21.1 190.1 185.9 -4.2 26.2 21.9 256.5 252.2 -4.34 BEAVER4 2 1 5616.8 17.0 14.5 171.0 168.5 -2.5 18.0 15.2 232.9 230.1 -2.84 BEAVER4 2 2 3792 27.3 22.9 180.8 176.4 -4.4 28.4 23.9 242.9 238.4 -4.54 BEAVER4 3 1 4967.7 17.3 15.0 161.3 159.0 -2.3 18.2 15.7 219.3 216.8 -2.54 BEAVER4 3 2 4035.5 28.5 24.4 172.4 168.3 -4.1 29.8 25.5 231.3 227.0 -4.34 BEAVER4 3 3 2451.7 30.9 26.7 175.6 171.4 -4.2 32.2 27.9 235.1 230.8 -4.34 BEAVER4 3 8 6307.2 3.1 3.4 141.3 141.6 0.3 3.3 3.5 197.0 197.2 0.24 BEAVER4 4 4 2398 32.2 29.2 165.7 162.7 -3.0 33.5 30.4 220.8 217.7 -3.14 BEAVER4 4 1 4963.6 13.0 11.8 146.5 145.3 -1.2 13.5 12.5 200.5 199.5 -1.04 BEAVER4 4 2 4376 21.6 20.1 155.5 154.0 -1.5 22.7 21.2 210.4 208.9 -1.54 BEAVER4 5 1 5795.5 8.1 9.0 130.9 131.8 0.9 8.4 9.5 180.4 181.5 1.14 BEAVER4 5 2 5400 14.4 16.1 137.6 139.3 1.7 15.0 17.0 187.9 189.9 2.04 BEAVER4 5 3 4352.6 25.3 26.4 149.5 150.6 1.1 26.5 27.7 200.6 201.8 1.24 BEAVER4 5 4 2606.1 32.5 30.4 157.1 155.0 -2.1 33.8 31.8 208.6 206.6 -2.04 BEAVER4 6 3 4392 19.6 22.8 134.2 137.4 3.2 20.5 24.1 181.2 184.8 3.62 PAIUTEW2 2 2 5195 1.9 2.8 160.0 160.8 0.8 2.3 3.0 221.3 222.0 0.72 PAIUTEW2 2 3 5835 3.2 3.6 162.2 162.2 0.0 3.5 3.8 223.8 224.1 0.32 PAIUTEW2 2 1 4894.4 0.5 1.7 156.7 158.0 1.3 0.9 1.9 217.9 218.9 1.02 PAIUTEW2 2 4 5768.7 5.6 5.5 164.9 164.6 -0.3 5.8 5.9 227.0 227.1 0.12 PAIUTEW2 3 2 5396 0.2 1.6 151.2 152.6 1.4 0.6 1.8 210.3 211.5 1.22 PAIUTEW2 3 3 5820 1.7 2.5 153.8 154.4 0.6 2.1 2.7 212.9 213.5 0.62 PAIUTEW2 3 1 4885.1 0.1 1.2 153.6 154.9 1.3 0.5 1.4 214.1 215.0 0.92 PAIUTEW2 3 4 7483.9 2.7 3.1 154.6 154.7 0.1 2.9 3.3 213.4 213.8 0.42 PAIUTEW2 4 1 5283.6 0.1 0.9 152.4 153.6 1.2 0.4 1.0 212.7 213.3 0.62 PAIUTEW2 4 2 4910.7 0.3 1.4 150.1 151.3 1.2 0.6 1.5 208.8 209.7 0.92 PAIUTEW2 4 3 6136.9 0.4 1.7 146.7 147.9 1.2 0.7 1.8 203.8 204.9 1.12 PAIUTEW2 4 4 7072.1 1.4 2.1 147.2 147.5 0.3 1.5 2.3 203.4 204.2 0.82 PAIUTEW2 5 1 4589 0.1 0.4 148.6 149.2 0.6 0.4 0.4 207.4 207.4 0.02 PAIUTEW2 5 2 4881.5 0.2 1.2 148.9 150.2 1.3 0.6 1.3 207.7 208.4 0.72 PAIUTEW2 5 3 6774.8 0.3 1.5 144.6 145.8 1.2 0.6 1.6 201.1 202.1 1.02 PAIUTEW2 5 4 7086.1 0.5 1.8 142.2 143.4 1.2 0.7 1.9 197.5 198.7 1.22 PAIUTEW2 6 1 4386.1 0.2 0.5 142.4 142.8 0.4 0.4 0.6 198.6 198.8 0.22 PAIUTEW2 6 2 4598.8 0.2 0.9 145.7 146.8 1.1 0.5 1.0 203.6 204.1 0.52 PAIUTEW2 6 3 5105.9 0.4 1.4 144.9 146.1 1.2 0.7 1.6 201.9 202.8 0.92 PAIUTEW2 6 4 5803.7 0.5 1.9 140.9 142.3 1.4 0.8 2.1 196.0 197.3 1.32 PAIUTEW2 7 2 4839.5 0.3 0.6 139.8 140.3 0.5 0.5 0.7 195.1 195.3 0.22 PAIUTEW2 7 3 5736.6 0.4 1.1 139.9 140.9 1.0 0.7 1.3 195.4 196.0 0.62 PAIUTEW2 7 4 6447.5 0.5 1.7 136.1 137.3 1.2 0.8 1.9 189.7 190.8 1.12 PAIUTEW2 8 2 4991.9 0.4 0.7 132.1 132.5 0.4 0.6 0.7 184.6 184.7 0.12 PAIUTEW2 8 3 5597 0.6 0.9 133.8 134.3 0.5 0.7 1.0 186.7 187.0 0.32 PAIUTEW2 8 4 5165.8 0.8 1.9 132.0 133.3 1.3 1.1 2.1 184.3 185.3 1.02 PAIUTEW2 9 3 5017.6 0.5 1.0 126.2 126.8 0.6 0.7 1.0 176.4 176.7 0.33 PAIUTEW3 1 1 3733.6 10.5 10.3 178.4 178.1 -0.3 11.1 10.9 244.6 244.4 -0.23 PAIUTEW3 1 2 2782.7 13.9 13.2 187.2 186.5 -0.7 14.7 13.8 256.2 255.3 -0.93 PAIUTEW3 2 1 5796 5.5 5.5 164.7 164.5 -0.2 5.7 5.9 226.7 226.9 0.23 PAIUTEW3 2 2 3631 11.1 10.7 172.3 171.8 -0.5 11.7 11.3 235.7 235.3 -0.43 PAIUTEW3 2 3 3031.5 15.0 13.9 183.2 182.1 -1.1 15.9 14.6 250.1 248.8 -1.33 PAIUTEW3 2 4 2586 17.6 15.7 189.1 187.2 -1.9 18.5 16.4 257.5 255.4 -2.13 PAIUTEW3 2 5 2176 22.5 20.3 193.3 191.1 -2.2 23.3 21.2 261.5 259.4 -2.13 PAIUTEW3 3 1 7432.7 2.7 3.1 154.6 154.7 0.1 2.8 3.3 213.4 213.9 0.53 PAIUTEW3 3 2 5278.8 6.1 6.0 160.4 160.2 -0.2 6.3 6.4 220.7 220.8 0.13 PAIUTEW3 3 3 4933.4 10.6 10.1 164.9 164.4 -0.5 11.1 10.7 225.7 225.3 -0.43 PAIUTEW3 3 4 3574.3 16.0 14.8 177.4 176.2 -1.2 16.9 15.5 241.7 240.3 -1.43 PAIUTEW3 3 5 4095.6 20.7 17.9 183.0 180.2 -2.8 21.6 18.7 248.0 245.1 -2.93 PAIUTEW3 4 1 7094.4 1.3 2.1 147.0 147.4 0.4 1.5 2.3 203.3 204.1 0.83 PAIUTEW3 4 2 6473.7 3.0 3.7 150.9 151.4 0.5 3.2 3.9 208.4 209.1 0.73 PAIUTEW3 4 3 6928.4 5.3 5.6 152.8 153.1 0.3 5.6 5.8 210.7 210.9 0.23 PAIUTEW3 4 4 6280.1 9.6 8.7 157.7 156.8 -0.9 10.1 9.1 216.3 215.3 -1.03 PAIUTEW3 4 5 4929.5 17.9 15.3 169.5 166.9 -2.6 19.0 16.0 230.5 227.5 -3.03 PAIUTEW3 5 1 7083.5 0.5 1.8 142.2 143.4 1.2 0.7 1.9 197.5 198.7 1.23 PAIUTEW3 5 2 5664.1 1.7 2.6 144.0 144.5 0.5 1.9 2.8 199.3 200.2 0.93 PAIUTEW3 5 3 4931.3 4.5 4.9 147.5 147.8 0.3 4.7 5.2 203.7 204.2 0.53 PAIUTEW3 5 4 4430.7 8.9 8.5 150.7 150.3 -0.4 9.3 8.9 207.1 206.7 -0.43 PAIUTEW3 5 5 3420.2 19.5 17.1 161.0 158.6 -2.4 20.5 18.1 218.5 216.1 -2.43 PAIUTEW3 6 1 5806.7 0.5 1.9 140.9 142.3 1.4 0.8 2.1 196.0 197.3 1.33 PAIUTEW3 6 2 6884.3 0.9 2.2 137.8 138.9 1.1 1.1 2.4 191.4 192.7 1.33 PAIUTEW3 6 3 6424.7 2.8 3.4 136.5 136.9 0.4 2.9 3.6 189.3 190.0 0.73 PAIUTEW3 6 4 5729.6 6.0 5.9 136.7 136.5 -0.2 6.3 6.2 188.9 188.8 -0.13 PAIUTEW3 6 5 4726.1 11.6 11.2 140.9 140.5 -0.4 12.1 11.8 193.2 192.9 -0.33 PAIUTEW3 7 1 6442.6 0.5 1.7 136.1 137.3 1.2 0.8 1.9 189.7 190.8 1.13 PAIUTEW3 7 2 6859.6 1.0 2.4 131.7 133.1 1.4 1.1 2.6 183.6 185.1 1.51 PARSHAN1 7 7 4103.7 0.1 0.3 155.1 155.6 0.5 0.3 0.4 216.4 216.5 0.11 PARSHAN1 7 8 4327.8 0.1 0.8 155.1 156.2 1.1 0.4 0.9 216.5 217.0 0.5
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
1 PARSHAN1 8 7 4306.7 0.0 0.2 153.3 153.6 0.3 0.1 0.2 213.8 213.9 0.11 PARSHAN1 8 8 5066.7 0.0 0.3 150.4 151.0 0.6 0.3 0.4 210.0 210.1 0.11 PARSHAN1 9 8 4488.5 0.1 0.3 146.2 146.5 0.3 0.3 0.4 203.9 204.0 0.11 PARSHAN1 10 3 3841.1 0.3 0.3 184.6 184.6 0.0 0.3 0.3 256.8 256.8 0.0
Parunuweap WSA 0.031 PARUNW31 1 2 5747.3 3.7 4.6 143.6 144.4 0.8 3.9 5.3 196.3 197.7 1.431 PARUNW31 1 3 5604.7 2.5 3.0 140.6 140.7 0.1 2.4 3.3 191.4 192.3 0.931 PARUNW31 1 4 4839.8 2.5 2.3 137.0 135.8 -1.2 2.2 2.5 185.0 185.3 0.331 PARUNW31 1 5 5715.2 1.7 1.6 131.4 130.6 -0.8 1.4 1.8 177.6 178.0 0.431 PARUNW31 1 6 5807 1.6 1.7 126.0 125.8 -0.2 1.5 1.9 170.4 170.8 0.431 PARUNW31 2 2 5455.8 3.9 4.8 142.2 143.1 0.9 4.0 5.4 194.6 196.0 1.431 PARUNW31 2 3 5242.2 2.5 3.2 138.2 138.5 0.3 2.5 3.5 188.7 189.7 1.031 PARUNW31 2 4 5200 2.5 2.5 135.9 135.2 -0.7 2.4 2.7 184.4 184.7 0.331 PARUNW31 2 5 5404.2 1.8 1.5 132.5 131.3 -1.2 1.5 1.7 178.8 179.0 0.231 PARUNW31 2 6 6153.9 1.5 1.3 127.9 127.2 -0.7 1.1 1.5 172.5 172.9 0.431 PARUNW31 3 1 6036.9 4.0 4.3 138.6 139.0 0.4 4.2 5.2 190.5 191.5 1.031 PARUNW31 3 2 5568.5 3.8 4.6 139.3 140.1 0.8 3.9 5.2 190.6 191.9 1.331 PARUNW31 3 3 5228.6 2.4 3.2 136.2 136.8 0.6 2.5 3.5 186.1 187.1 1.031 PARUNW31 3 4 5219.4 2.5 2.6 133.4 133.0 -0.4 2.4 2.8 181.3 181.7 0.431 PARUNW31 3 5 5997 1.5 1.3 130.0 129.1 -0.9 1.2 1.3 176.0 176.1 0.131 PARUNW31 3 6 5970 1.3 1.0 125.7 124.9 -0.8 0.9 1.1 169.9 170.1 0.231 PARUNW31 3 7 6368.8 1.8 1.6 121.3 120.9 -0.4 1.5 1.7 163.7 163.9 0.231 PARUNW31 4 1 6398.3 3.5 3.6 128.9 129.1 0.2 3.6 4.5 177.7 178.6 0.931 PARUNW31 4 2 5592.2 3.7 4.4 134.2 134.9 0.7 3.8 5.0 183.8 185.0 1.231 PARUNW31 4 3 5601 2.3 3.2 132.7 133.4 0.7 2.4 3.5 181.6 182.7 1.131 PARUNW31 4 4 5222.3 2.3 2.8 129.4 129.6 0.2 2.4 2.9 176.5 177.0 0.531 PARUNW31 4 5 5347.6 1.8 1.5 125.3 124.5 -0.8 1.5 1.6 169.9 170.0 0.131 PARUNW31 4 6 5797.3 1.1 0.8 122.0 121.3 -0.7 0.7 0.9 165.0 165.2 0.231 PARUNW31 4 7 6050 1.7 1.3 119.1 118.6 -0.5 1.4 1.5 161.0 161.1 0.131 PARUNW31 5 1 6397 3.1 3.1 121.6 121.6 0.0 3.2 3.9 167.9 168.6 0.731 PARUNW31 5 2 5997 3.4 4.1 125.1 125.7 0.6 3.5 4.7 171.8 173.0 1.231 PARUNW31 5 3 5638.2 2.4 3.3 126.3 127.0 0.7 2.4 3.7 172.8 174.1 1.331 PARUNW31 5 4 5006 2.3 2.9 123.6 124.0 0.4 2.4 3.1 168.8 169.5 0.731 PARUNW31 5 5 5704.9 1.8 1.7 120.8 120.4 -0.4 1.6 1.8 164.2 164.4 0.231 PARUNW31 5 6 5655.6 0.7 0.5 120.0 119.4 -0.6 0.4 0.6 162.9 163.1 0.231 PARUNW31 6 2 5819.5 3.4 4.0 117.0 117.5 0.5 3.6 4.6 160.9 161.9 1.031 PARUNW31 6 3 5602.9 2.4 3.4 119.8 120.6 0.8 2.5 3.8 164.2 165.5 1.331 PARUNW31 6 4 5390.3 2.3 2.9 121.1 121.6 0.5 2.4 3.1 165.5 166.2 0.731 PARUNW31 7 3 5453.5 2.4 3.5 112.5 113.5 1.0 2.5 3.9 154.9 156.3 1.4
Pine Valley Mountain Wilderness 0.010 PINEV10 1 1 7198 2.5 3.5 76.3 77.3 1.0 3.0 4.8 106.1 107.9 1.810 PINEV10 1 2 6998 2.2 3.1 80.5 81.4 0.9 2.8 4.4 112.4 114.0 1.610 PINEV10 2 1 8599.8 2.4 4.2 73.5 75.3 1.8 2.9 5.4 101.8 104.3 2.510 PINEV10 2 2 7211.8 2.2 3.7 78.4 79.9 1.5 2.7 5.3 109.2 111.8 2.610 PINEV10 2 3 7354.5 1.9 3.4 83.0 84.5 1.5 2.3 4.8 115.7 118.2 2.510 PINEV10 3 1 8850.5 2.6 5.1 73.9 76.4 2.5 3.2 6.3 102.4 105.5 3.110 PINEV10 3 2 8548.3 2.3 4.8 77.8 80.3 2.5 2.7 6.1 107.9 111.3 3.410 PINEV10 3 3 8588.5 2.0 4.5 80.5 83.0 2.5 2.4 5.9 111.8 115.3 3.510 PINEV10 4 1 9492.9 2.3 4.7 72.0 74.4 2.4 2.8 5.8 99.9 102.9 3.010 PINEV10 4 2 8341.2 2.1 4.9 78.3 81.1 2.8 2.5 6.2 108.6 112.3 3.710 PINEV10 4 3 7798 1.9 5.0 83.9 87.0 3.1 2.2 6.5 116.4 120.7 4.310 PINEV10 4 4 7846.9 1.8 4.9 90.6 93.7 3.1 2.1 6.5 125.6 130.0 4.410 PINEV10 5 1 6918.6 1.9 3.6 75.7 77.4 1.7 2.3 5.0 105.4 108.1 2.710 PINEV10 5 2 8260.6 1.7 3.7 81.1 83.1 2.0 2.0 5.1 112.6 115.7 3.110 PINEV10 5 3 6493.5 1.5 4.0 90.1 92.6 2.5 1.8 5.6 125.1 128.9 3.810 PINEV10 5 4 6341.3 1.5 4.3 97.2 100.0 2.8 1.7 6.0 134.9 139.2 4.37 PINEV7 2 2 6953.9 5.2 5.8 73.3 73.9 0.6 5.9 7.0 100.6 101.7 1.17 PINEV7 3 1 6219.5 5.4 7.9 65.5 68.0 2.5 6.2 9.2 90.1 93.1 3.07 PINEV7 3 2 7407.1 4.8 6.0 68.4 69.6 1.2 5.6 7.1 94.2 95.7 1.57 PINEV7 4 1 5797 5.2 8.1 62.5 65.4 2.9 6.0 9.3 86.1 89.4 3.37 PINEV7 4 2 8124.8 4.3 6.1 62.6 64.4 1.8 5.0 6.9 86.4 88.3 1.97 PINEV7 5 2 6388.2 4.5 7.1 61.3 63.9 2.6 5.3 8.1 84.8 87.6 2.88 PINEV8 1 3 7145.6 3.9 2.3 91.4 89.8 -1.6 4.3 3.3 126.3 125.3 -1.08 PINEV8 2 1 6953.6 5.2 5.8 73.3 73.9 0.6 5.9 7.0 100.6 101.7 1.18 PINEV8 2 2 7456.5 4.8 4.2 77.6 77.0 -0.6 5.5 5.3 106.7 106.5 -0.28 PINEV8 2 3 9192.8 3.8 3.1 82.7 82.0 -0.7 4.3 4.0 114.2 113.9 -0.38 PINEV8 3 1 7404.5 4.8 6.0 68.4 69.6 1.2 5.6 7.1 94.2 95.7 1.58 PINEV8 3 2 9040.6 4.0 4.4 70.2 70.6 0.4 4.7 5.3 96.7 97.3 0.68 PINEV8 3 3 7507.6 4.2 4.1 75.1 75.0 -0.1 4.9 5.3 103.8 104.2 0.48 PINEV8 4 1 8123.1 4.3 6.1 62.6 64.4 1.8 5.0 6.9 86.4 88.3 1.98 PINEV8 4 2 10178.7 3.1 4.5 64.0 65.4 1.4 3.7 5.1 88.5 89.9 1.48 PINEV8 4 3 7687 3.4 4.7 70.8 72.1 1.3 4.1 5.7 98.0 99.6 1.68 PINEV8 5 1 6387.2 4.5 7.1 61.3 63.9 2.6 5.3 8.1 84.8 87.6 2.88 PINEV8 5 2 9413.8 3.2 5.4 61.9 64.1 2.2 3.9 6.1 85.8 88.0 2.28 PINEV8 5 3 7841.1 3.0 5.2 68.0 70.2 2.2 3.7 6.3 94.2 96.8 2.68 PINEV8 6 2 7376.3 3.4 6.6 59.8 63.0 3.2 4.1 7.6 83.0 86.5 3.58 PINEV8 6 3 9458.6 2.9 5.6 62.9 65.6 2.7 3.6 6.4 87.3 90.1 2.88 PINEV8 7 2 6607.9 3.2 5.7 60.8 63.3 2.5 4.0 6.9 84.8 87.7 2.98 PINEV8 7 3 7913 2.8 5.2 63.7 66.1 2.4 3.4 6.3 88.6 91.5 2.98 PINEV8 8 3 5989.4 3.3 4.9 65.9 67.5 1.6 4.0 6.2 91.7 93.9 2.29 PINEV9 1 1 7141.8 3.9 2.3 91.4 89.8 -1.6 4.3 3.3 126.3 125.3 -1.09 PINEV9 2 1 9192.9 3.8 3.1 82.7 82.0 -0.7 4.3 4.0 114.2 113.9 -0.39 PINEV9 3 1 7511.2 4.2 4.1 75.1 75.0 -0.1 4.9 5.3 103.7 104.1 0.49 PINEV9 4 1 7691.4 3.4 4.7 70.8 72.1 1.3 4.1 5.7 98.0 99.6 1.69 PINEV9 4 3 7190.9 2.5 3.5 77.5 78.5 1.0 3.0 4.7 107.8 109.5 1.79 PINEV9 5 1 7847.6 3.0 5.2 68.0 70.2 2.2 3.7 6.2 94.2 96.7 2.59 PINEV9 5 2 8330 2.7 4.6 71.0 72.9 1.9 3.3 5.7 98.4 100.8 2.49 PINEV9 5 3 8559.4 2.4 4.0 73.0 74.6 1.6 2.9 5.2 101.2 103.5 2.39 PINEV9 6 1 9454.1 2.9 5.6 62.9 65.6 2.7 3.6 6.4 87.3 90.1 2.89 PINEV9 6 2 9196.1 2.9 5.4 69.3 71.8 2.5 3.5 6.3 95.9 98.7 2.89 PINEV9 6 3 9184.3 2.6 5.0 73.4 75.8 2.4 3.2 6.1 101.7 104.6 2.99 PINEV9 7 1 7920.1 2.8 5.2 63.7 66.1 2.4 3.4 6.3 88.6 91.5 2.99 PINEV9 7 2 8100.3 2.5 5.0 68.5 71.0 2.5 3.1 6.2 95.1 98.2 3.19 PINEV9 7 3 9689.4 2.4 4.8 72.1 74.5 2.4 2.9 5.9 99.9 102.9 3.0
Pipe Spring NM 0.017 KAIBAB17 3 2 4844.7 0.2 0.3 125.3 125.4 0.1 0.2 0.2 173.8 173.8 0.017 KAIBAB17 3 3 4987.1 0.3 0.5 124.8 125.0 0.2 0.3 0.4 173.4 173.5 0.117 KAIBAB17 4 2 4825.3 0.2 0.4 122.7 122.9 0.2 0.2 0.3 170.1 170.2 0.117 KAIBAB17 4 3 5095.9 0.3 0.5 121.7 121.9 0.2 0.3 0.4 168.8 168.9 0.1
Quail Creek SP 0.038 COTTON38 6 1 3159 29.3 3.2 90.1 94.0 3.9 31.2 3.0 116.5 123.1 6.638 COTTON38 6 2 3198 27.9 2.6 86.1 87.3 1.2 29.8 2.4 111.4 114.5 3.1
Red Butte WSA 0.013 ZION13 3 1 6096.9 0.2 0.4 89.4 89.6 0.2 0.3 1.2 125.5 126.4 0.9
Red Mountain WSA 0.039 REDMTN39 1 2 3402.7 5.2 3.9 104.5 103.2 -1.3 5.4 4.1 143.7 142.4 -1.339 REDMTN39 1 3 5399.3 1.5 1.1 105.9 105.5 -0.4 1.6 1.2 146.8 146.4 -0.439 REDMTN39 2 1 3149.7 7.2 3.7 91.5 88.0 -3.5 7.7 3.9 125.4 121.6 -3.839 REDMTN39 2 2 3580.6 3.8 0.9 92.4 89.5 -2.9 4.1 1.0 127.5 124.4 -3.139 REDMTN39 2 3 5064.5 0.9 0.6 94.1 93.8 -0.3 1.0 0.7 130.8 130.5 -0.340 REDMTN40 1 2 3595 5.8 5.6 142.9 142.7 -0.2 5.9 5.8 197.5 197.4 -0.140 REDMTN40 1 3 3795 6.2 6.0 152.6 152.4 -0.2 6.3 6.2 211.3 211.2 -0.140 REDMTN40 1 1 3788.2 5.6 5.4 137.4 137.2 -0.2 5.8 5.7 189.5 189.4 -0.140 REDMTN40 2 2 4785.8 3.2 3.3 128.3 128.4 0.1 3.3 3.4 177.7 177.8 0.140 REDMTN40 2 3 3958.2 3.3 3.2 131.9 131.8 -0.1 3.4 3.4 183.1 183.1 0.040 REDMTN40 2 1 5122.5 3.9 3.9 122.1 122.1 0.0 4.1 4.1 168.5 168.5 0.040 REDMTN40 3 1 5399 1.5 1.1 105.9 105.5 -0.4 1.6 1.2 146.8 146.4 -0.440 REDMTN40 3 2 4596.9 0.9 0.9 110.7 110.7 0.0 1.0 1.0 153.8 153.8 0.040 REDMTN40 3 3 4322.8 0.3 0.4 118.1 118.2 0.1 0.3 0.4 164.5 164.6 0.140 REDMTN40 4 1 5063.3 0.9 0.6 94.1 93.8 -0.3 1.0 0.7 130.8 130.5 -0.340 REDMTN40 4 2 4879 0.7 0.6 98.2 98.1 -0.1 0.8 0.8 136.5 136.5 0.040 REDMTN40 4 3 4739.7 0.8 0.8 105.7 105.7 0.0 0.9 1.0 146.9 147.0 0.16 SNOWCAN6 1 2 3189.9 6.3 3.2 90.4 87.3 -3.1 6.9 3.5 124.4 121.0 -3.46 SNOWCAN6 1 3 3476.9 3.6 0.8 92.7 89.9 -2.8 3.9 1.0 128.0 125.1 -2.96 SNOWCAN6 1 4 5007.4 0.8 0.6 94.5 94.3 -0.2 0.9 0.8 131.2 131.1 -0.16 SNOWCAN6 1 5 4830.6 0.8 0.7 98.7 98.6 -0.1 0.9 0.9 137.1 137.1 0.06 SNOWCAN6 1 6 4710.9 0.8 0.8 106.3 106.3 0.0 0.9 1.1 147.6 147.8 0.26 SNOWCAN6 2 2 3250.3 8.4 2.6 82.6 76.8 -5.8 9.1 3.0 112.9 106.8 -6.16 SNOWCAN6 2 3 3795.2 3.4 1.7 81.7 80.0 -1.7 3.8 2.0 113.0 111.2 -1.86 SNOWCAN6 2 4 3594.7 2.5 1.6 87.2 86.3 -0.9 2.8 2.0 120.9 120.1 -0.86 SNOWCAN6 2 5 5000 2.0 1.5 92.2 91.7 -0.5 2.3 1.8 127.7 127.2 -0.56 SNOWCAN6 2 6 4763 1.9 1.6 96.5 96.2 -0.3 2.1 2.1 133.8 133.8 0.0
Snow Canyon SP 0.06 SNOWCAN6 2 2 3250.3 8.4 2.6 82.6 76.8 -5.8 9.1 3.0 112.9 106.8 -6.16 SNOWCAN6 2 3 3795.2 3.4 1.7 81.7 80.0 -1.7 3.8 2.0 113.0 111.2 -1.86 SNOWCAN6 2 4 3594.7 2.5 1.6 87.2 86.3 -0.9 2.8 2.0 120.9 120.1 -0.86 SNOWCAN6 2 5 5000 2.0 1.5 92.2 91.7 -0.5 2.3 1.8 127.7 127.2 -0.56 SNOWCAN6 3 1 3007.9 22.7 5.0 91.8 74.1 -17.7 24.7 5.6 121.0 101.9 -19.16 SNOWCAN6 3 2 3586.5 11.5 3.3 79.2 71.0 -8.2 12.8 3.8 107.3 98.3 -9.06 SNOWCAN6 3 3 3821.7 5.3 2.9 74.4 72.0 -2.4 6.1 3.7 102.7 100.3 -2.4
Table B.24Noise Level Changes at 4f/303(c) PropertiesCumulative Time Above Ambient 29 dBA - 2010/2020
Ground Elevation (in feet)
2010 TAA 29 dBA
Existing Ariport
Replacement Airport
SGU Noise Only Cumulative NoiseReplacement
AirportNet Change with
ProjectExisting AriportGrid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
2020 TAA 29 dBASGU Noise Only Cumulative Noise
Replacement Airport
Net Change with Project
Replacement Airport
Existing Ariport
Existing Ariport
-10.0 to -29.9 min< -30.0 min
LegendNo Change
0.1 to 3.0 min > 3.0
-0.1 to -9.9 min
6 SNOWCAN6 3 4 4386.2 3.8 2.8 77.1 76.1 -1.0 4.4 3.6 106.4 105.6 -0.86 SNOWCAN6 3 5 4592.5 3.5 2.7 85.1 84.3 -0.8 4.0 3.5 117.5 117.0 -0.5
Spring Creek Canyon WSA 0.037 SORING37 1 1 5330.9 18.1 18.6 117.8 118.3 0.5 18.7 21.3 157.4 160.0 2.637 SORING37 2 1 6363.5 12.1 12.2 104.3 104.4 0.1 12.6 14.5 140.9 142.8 1.937 SORING37 2 2 5579.1 14.7 14.7 107.2 107.2 0.0 15.2 17.3 143.6 145.7 2.137 SORING37 2 3 5495 17.0 17.1 109.5 109.6 0.1 17.6 19.9 146.1 148.4 2.337 SORING37 3 1 6822.6 2.1 2.1 84.4 84.4 0.0 2.2 3.6 116.8 118.2 1.437 SORING37 3 2 6736.3 5.4 5.4 86.8 86.8 0.0 5.6 7.2 118.7 120.3 1.637 SORING37 3 3 6198 8.8 8.9 88.6 88.7 0.1 9.2 11.1 119.8 121.7 1.937 SORING37 4 2 7179 0.1 0.1 67.7 67.7 0.0 0.1 1.4 93.9 95.2 1.337 SORING37 4 3 7809.7 0.6 0.7 65.7 65.8 0.1 0.7 2.1 90.8 92.2 1.4
Taylor Creek WSA 0.013 ZION13 3 4 7607.6 0.2 0.2 86.0 86.0 0.0 0.2 1.3 119.9 121.0 1.1
Tunnel Spring WSA 0.043 TUNEL43 1 1 5597 0.0 0.0 9.9 9.9 0.0 0.0 0.0 13.9 13.9 0.043 TUNEL43 1 2 5959.1 0.0 0.0 9.4 9.4 0.0 0.0 0.0 13.2 13.2 0.043 TUNEL43 2 1 5797 0.0 0.0 11.3 11.3 0.0 0.0 0.0 15.9 15.9 0.043 TUNEL43 2 2 5894.7 0.0 0.0 10.5 10.5 0.0 0.0 0.0 14.8 14.8 0.043 TUNEL43 2 3 6167.2 0.0 0.0 9.9 9.9 0.0 0.0 0.0 13.9 13.9 0.043 TUNEL43 3 1 5797 0.0 0.0 12.7 12.7 0.0 0.0 0.0 17.8 17.8 0.043 TUNEL43 3 2 5797 0.0 0.0 12.1 12.1 0.0 0.0 0.0 17.0 17.0 0.043 TUNEL43 3 3 6181 0.0 0.0 11.1 11.1 0.0 0.0 0.0 15.7 15.7 0.0
The Watchman WSA 0.011 ZION11 1 2 3999.0 2.7 3.4 154.1 154.8 0.7 2.8 4.0 211.1 212.3 1.211 ZION11 1 3 4546.2 3.0 3.5 148.6 149.1 0.5 3.3 4.3 203.3 204.3 1.0
*Little Balck Mountain Petroglyph Site (Time Above 20.0 dBA) 0.018 NEWGRID5 1 1 2941.0 44.2 197.3 354.1 507.2 153.1 46.6 220.4 473.5 647.9 174.4
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Ashdown Gorge Wilderness15 ASHDWN15 1 2 7693.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.7 32.7 0.015 ASHDWN15 1 3 7970.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.015 ASHDWN15 2 1 8609.8 <A <A <A 30.5 30.5 0.0 <A <A <A 32.0 32.0 0.015 ASHDWN15 2 2 8598.5 <A <A <A 30.6 30.6 0.0 <A <A <A 32.1 32.1 0.015 ASHDWN15 2 3 7995.3 <A <A <A 30.6 30.6 0.0 <A <A <A 32.1 32.1 0.015 ASHDWN15 2 4 9309.7 <A <A <A 30.9 30.9 0.0 <A <A <A 32.3 32.3 0.015 ASHDWN15 2 5 8956.9 <A <A <A 30.6 30.6 0.0 <A <A <A 32.0 32.0 0.015 ASHDWN15 3 1 10214.6 <A <A <A 29.9 30.0 0.0 <A <A <A 31.4 31.4 0.015 ASHDWN15 3 2 8805.8 <A <A <A 29.8 29.8 0.0 <A <A <A 32.7 31.3 -1.415 ASHDWN15 3 3 8735.3 <A <A <A 30.1 30.1 0.0 <A <A <A 31.5 31.5 0.015 ASHDWN15 3 4 8906.4 <A <A <A 30.3 30.3 0.0 <A <A <A 31.8 31.8 0.015 ASHDWN15 3 5 9907.3 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.015 ASHDWN15 4 1 10301.8 <A <A <A 29.9 29.9 0.0 <A <A <A 31.4 31.4 0.015 ASHDWN15 4 2 9417.9 <A <A <A 29.7 29.7 0.1 <A <A <A 31.1 31.2 0.015 ASHDWN15 4 3 9530.9 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.015 ASHDWN15 4 4 10544.6 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.0
Beartrap Canyon WSA19 ZION19 2 2 7373.5 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.0
Beaver Dam Mountains Wilderness4 BEAVER4 2 3 3134.8 <A <A <A 36.0 35.8 -0.2 <A <A <A 37.3 37.2 -0.14 BEAVER4 2 4 3258.3 <A <A <A 35.6 35.5 -0.1 <A <A <A 37.0 36.9 -0.14 BEAVER4 2 5 2801.4 <A <A <A 35.2 35.1 -0.1 <A <A <A 36.6 36.5 -0.14 BEAVER4 2 6 3938.5 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.1 0.04 BEAVER4 3 4 3132.2 <A <A <A 35.7 35.6 -0.1 <A <A <A 37.1 37.0 -0.14 BEAVER4 3 5 3254.4 <A <A <A 35.4 35.3 -0.1 <A <A <A 36.7 36.7 -0.14 BEAVER4 3 6 4396.5 <A <A <A 34.9 34.9 -0.1 <A <A <A 36.4 36.3 -0.14 BEAVER4 3 7 5103.1 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.04 BEAVER4 4 4 2398 29.1 <A 0.0 36.0 35.9 -0.1 29.3 <A -0.2 37.2 37.1 -0.14 BEAVER4 4 3 3274.9 30.4 29.3 -1.1 36.4 36.2 -0.3 30.5 29.5 -1.0 37.6 37.4 -0.24 BEAVER4 4 5 3257.6 <A <A <A 35.5 35.4 -0.1 <A <A <A 36.9 36.8 -0.14 BEAVER4 4 6 3919.1 <A <A <A 35.1 34.9 -0.2 <A <A <A 36.4 36.3 -0.14 BEAVER4 4 7 4461.6 <A <A <A 34.0 33.9 -0.1 <A <A <A 35.4 35.4 0.04 BEAVER4 5 5 2837.2 <A <A <A 35.7 35.5 -0.2 <A <A <A 36.9 36.8 -0.14 BEAVER4 5 6 4584.3 <A <A <A 34.8 34.4 -0.4 <A <A <A 36.0 35.7 -0.34 BEAVER4 6 4 3728.6 30.8 30.7 -0.1 36.2 36.2 0.0 31.0 30.9 -0.1 37.4 37.4 0.04 BEAVER4 6 5 2597.5 31.3 29.8 -1.5 35.7 35.2 -0.5 31.4 29.9 -1.5 36.7 36.3 -0.44 BEAVER4 7 6 3290.5 31.6 <A -2.5 35.0 33.9 -1.1 31.8 <A -2.7 36.0 35.1 -0.94 BEAVER4 7 7 3079.7 <A <A <A 33.5 32.2 -1.3 <A <A <A 34.6 33.6 -1.04 BEAVER4 8 6 2743.3 32.5 30.9 -1.6 35.7 35.0 -0.7 32.7 31.1 -1.6 36.6 36.0 -0.64 BEAVER4 8 7 2616.9 32.0 <A -2.9 35.1 33.0 -2.1 32.2 <A -3.1 36.0 34.2 -1.7
Beaver Dam SP42 COUGAR42 2 1 5620.1 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 2 2 5201.3 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 2 3 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 3 1 5180.1 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A
Canaan Mountain WSA30 CANAAN30 1 5 4888.8 <A <A <A 33.7 33.5 -0.2 <A <A <A 34.9 35.0 0.130 CANAAN30 1 6 4703.4 <A <A <A 33.4 33.4 0.1 <A <A <A 34.8 34.9 0.030 CANAAN30 2 3 5047.6 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.030 CANAAN30 2 4 5040.5 <A <A <A 33.5 33.5 0.0 <A <A <A 34.8 34.8 0.030 CANAAN30 2 5 5323.3 <A <A <A 33.6 33.3 -0.3 <A <A <A 34.8 34.7 -0.130 CANAAN30 2 6 4411.6 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.7 0.030 CANAAN30 3 2 4928.7 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.030 CANAAN30 3 3 5434.1 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.030 CANAAN30 3 4 6437.4 <A <A <A 34.1 34.0 -0.1 <A <A <A 35.4 35.2 -0.230 CANAAN30 3 5 4524.1 <A <A <A 33.4 33.4 -0.1 <A <A <A 34.8 34.7 0.030 CANAAN30 3 6 4403.4 <A <A <A 33.5 33.4 -0.1 <A <A <A 34.8 34.8 0.030 CANAAN30 4 2 5093.8 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.030 CANAAN30 4 3 5583 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.030 CANAAN30 4 4 6652.5 30.6 29.3 -1.3 35.4 35.0 -0.4 30.7 <A -1.6 36.5 35.9 -0.630 CANAAN30 4 5 6387.2 <A <A <A 33.6 33.7 0.0 <A <A <A 35.0 35.1 0.130 CANAAN30 4 6 5178.6 <A <A <A 33.7 33.6 -0.1 <A <A <A 34.9 34.9 0.030 CANAAN30 5 1 5197 <A <A <A 35.1 35.1 0.0 <A <A <A 36.5 36.5 0.030 CANAAN30 5 2 6206.6 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.030 CANAAN30 5 3 6988 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.030 CANAAN30 5 4 6232.9 <A <A <A 34.8 34.6 -0.2 <A <A <A 36.0 35.7 -0.430 CANAAN30 5 5 4571.5 <A <A <A 33.4 33.6 0.1 <A <A <A 34.8 35.0 0.130 CANAAN30 5 6 4213.2 <A <A <A 33.3 33.3 0.0 <A <A <A 34.6 34.7 0.030 CANAAN30 6 1 5195.1 <A <A <A 35.2 35.2 0.0 <A <A <A 36.6 36.6 0.030 CANAAN30 6 2 5425.8 <A <A <A 34.9 34.9 0.0 <A <A <A 36.3 36.3 0.030 CANAAN30 6 3 6409.2 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.030 CANAAN30 6 4 6440.6 <A <A <A 34.5 34.4 -0.1 <A <A <A 35.8 35.7 -0.130 CANAAN30 6 5 6385.3 <A <A <A 33.5 34.4 0.9 <A <A <A 34.9 35.6 0.730 CANAAN30 6 6 5616 <A <A <A 33.3 33.3 0.0 <A <A <A 34.6 34.6 0.030 CANAAN30 7 1 6593.4 <A <A <A 35.3 35.3 0.0 <A <A <A 36.7 36.7 0.030 CANAAN30 7 2 5988.2 <A <A <A 35.0 35.0 0.0 <A <A <A 36.3 36.3 0.030 CANAAN30 7 3 5463.8 <A <A <A 34.9 34.8 -0.1 <A <A <A 36.3 36.1 -0.130 CANAAN30 7 4 6189.3 <A <A <A 34.6 34.5 -0.1 <A <A <A 36.0 35.9 -0.1
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
30 CANAAN30 7 5 5998.2 <A <A <A 33.8 34.1 0.3 <A <A <A 35.3 35.5 0.230 CANAAN30 7 6 5581.6 <A <A <A 33.4 33.5 0.1 <A <A <A 34.9 34.9 0.030 CANAAN30 8 1 5651.5 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.030 CANAAN30 8 2 6326.6 <A <A <A 35.0 35.0 0.0 <A <A <A 36.4 36.4 0.030 CANAAN30 8 3 6088.7 <A <A <A 35.6 35.4 -0.2 <A 30.5 1.4 36.9 37.3 0.430 CANAAN30 8 6 5677.9 <A <A <A 33.9 34.0 0.1 <A <A <A 35.3 35.3 0.030 CANAAN30 9 1 5449.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.0 0.030 CANAAN30 9 2 6210.6 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.030 CANAAN30 9 3 6141.4 <A <A <A 35.6 35.5 -0.1 <A <A <A 37.0 36.7 -0.2
Cedar Breaks National Monument15 ASHDWN15 3 2 8805.8 <A <A <A 29.8 29.8 0.0 <A <A <A 32.7 31.3 -1.415 ASHDWN15 3 3 8735.3 <A <A <A 30.1 30.1 0.0 <A <A <A 31.5 31.5 0.015 ASHDWN15 4 2 9417.9 <A <A <A 29.7 29.7 0.1 <A <A <A 31.1 31.2 0.015 ASHDWN15 4 3 9530.9 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.0
Clover Mountains WSA44 CLOVER44 1 2 4795.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 3 4399 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 4 4789.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 5 5442.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 6 4754.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 7 5811.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 2 5607.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 3 5297.2 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 4 5259.6 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 5 5791.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 6 5266.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 7 6190.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 1 5756.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 2 5000 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 3 5397.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 4 6426.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 5 5784 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 6 6401.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 7 6386.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 3 5316.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 4 6018.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 5 6397 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 6 6528.2 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 7 6069.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 3 4912.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 4 5395.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 5 7027.6 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 6 6577.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 4 5374.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 5 5897.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 6 6769.2 <A <A <A <A <A <A <A <A <A <A <A <A
Coral Pink Sand Dunes SP29 MOQMTN29 1 2 5983.1 <A <A <A 33.5 33.5 -0.1 <A <A <A 34.8 34.6 -0.229 MOQMTN29 1 3 6230.9 <A <A <A 33.7 33.8 0.0 <A <A <A 35.2 35.2 0.0
Cottonwood Point Wilderness16 COTTON16 1 2 4991 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.016 COTTON16 2 1 5160.6 <A <A <A 34.6 34.7 0.1 <A <A <A 36.1 36.6 0.516 COTTON16 2 2 6397 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.016 COTTON16 3 1 5200 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.7 0.016 COTTON16 3 2 5381.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.016 COTTON16 4 1 5442.3 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.3 -0.116 COTTON16 4 2 5801.6 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.0
Cottonwood WSA38 COTTON38 1 1 3969.5 <A <A <A 32.2 31.8 -0.4 <A <A <A 33.4 33.0 -0.438 COTTON38 1 2 4742.4 <A <A <A 31.5 31.6 0.2 <A <A <A 32.7 32.8 0.138 COTTON38 2 1 3361.1 <A <A <A 32.7 32.3 -0.4 <A <A <A 33.8 33.5 -0.338 COTTON38 2 2 3937.7 <A <A <A 31.3 31.8 0.5 <A <A <A 32.6 32.9 0.438 COTTON38 2 3 4211.3 <A <A <A 30.8 31.1 0.3 <A <A <A 32.1 32.3 0.338 COTTON38 3 1 3795 29.5 <A -0.4 33.3 32.5 -0.7 29.9 <A -0.8 34.3 33.7 -0.638 COTTON38 3 2 4227.3 <A <A <A 31.7 31.6 0.0 <A <A <A 33.0 32.8 -0.138 COTTON38 3 3 4596 <A <A <A 31.1 31.1 0.0 <A <A <A 32.3 32.3 0.038 COTTON38 4 1 3512.2 31.8 <A -2.7 34.6 33.2 -1.4 32.0 <A -2.9 35.4 34.2 -1.238 COTTON38 4 2 3898.4 <A <A <A 32.2 32.0 -0.2 <A <A <A 33.4 33.2 -0.238 COTTON38 4 3 4426.9 <A <A <A 31.3 31.3 0.0 <A <A <A 32.6 32.6 -0.138 COTTON38 5 1 3399 32.5 31.0 -1.5 35.1 34.4 -0.8 32.7 31.2 -1.5 36.0 35.3 -0.738 COTTON38 5 2 3794 29.1 <A 0.0 33.3 32.7 -0.6 29.4 <A -0.3 34.4 33.9 -0.538 COTTON38 5 3 4241.4 <A <A <A 31.8 31.8 0.1 <A <A <A 33.1 33.1 0.038 COTTON38 6 3 3415.9 <A <A <A 32.7 32.3 -0.4 <A <A <A 33.9 33.5 -0.3
Cougar Canyon WSA41 COUGAR41 2 2 4859.5 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 2 3 5169.8 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 1 4945.5 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 2 5425.9 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 3 6056 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 4 1 5019.2 <A <A <A <A <A <A <A <A <A 29.8 29.8 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
41 COUGAR41 4 2 5962.2 <A <A <A <A <A <A <A <A <A 29.1 29.1 0.041 COUGAR41 4 3 6266.4 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 5 2 5822.7 <A <A <A <A <A <A <A <A <A 30.2 30.2 0.041 COUGAR41 5 3 6674.1 <A <A <A <A <A <A <A <A <A 29.6 29.6 0.042 COUGAR42 3 2 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 3 3 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 4 1 6079.1 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 4 2 5597 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 5 1 6256.9 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 5 2 6390.3 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 6 1 6710.8 <A <A <A <A <A <A <A <A <A 29.6 29.6 0.0
Deep Creek WSA35 DEEPCK35 1 1 6398.3 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.035 DEEPCK35 2 1 6261.1 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.035 DEEPCK35 2 2 6500.4 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.035 DEEPCK35 3 1 6397 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.035 DEEPCK35 3 2 6412.4 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.036 DEEPCK6 2 1 6505.1 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.036 DEEPCK6 2 2 7457.4 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.036 DEEPCK6 3 1 6405.7 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.036 DEEPCK6 3 2 6553.5 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.0
Gateway Corridor 2222 SOUTH22 1 1 5286.6 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.022 SOUTH22 1 2 5160.6 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.022 SOUTH22 2 1 5402.5 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.4 0.022 SOUTH22 2 2 5197.8 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.022 SOUTH22 3 1 5792.1 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.022 SOUTH22 3 2 6364.5 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.022 SOUTH22 4 1 6227.8 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.022 SOUTH22 4 2 6124.3 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.022 SOUTH22 5 1 6186.5 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.022 SOUTH22 5 2 6062 <A <A <A 33.1 33.1 0.0 <A <A <A 34.5 34.5 0.022 SOUTH22 6 1 6242.9 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.022 SOUTH22 6 2 6143.3 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.022 SOUTH22 7 1 6429.7 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.022 SOUTH22 7 2 6426 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.0
Gateway Corridor 2323 SOUTH23 1 1 6432.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.7 32.7 0.023 SOUTH23 1 2 6469.9 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.023 SOUTH23 1 3 6742.8 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.023 SOUTH23 2 3 6281.3 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.023 SOUTH23 2 1 6409.6 <A <A <A 31.0 31.0 0.0 <A <A <A 32.5 32.5 0.023 SOUTH23 2 2 6288.1 <A <A <A 31.5 31.5 0.0 <A <A <A 32.9 32.9 0.023 SOUTH23 3 1 5834.5 <A <A <A 31.1 31.1 0.0 <A <A <A 32.5 32.5 0.023 SOUTH23 3 2 6009.7 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.023 SOUTH23 3 3 6009 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.023 SOUTH23 4 1 5618.6 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.023 SOUTH23 4 2 5789.1 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 4 3 5907 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.023 SOUTH23 5 1 5863.9 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.023 SOUTH23 5 2 5689.7 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.023 SOUTH23 5 3 5759.3 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.023 SOUTH23 6 1 5990.4 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 6 2 6149.5 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.023 SOUTH23 6 3 6047 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.0
Gateway Corridor 2424 SOUTH24 1 1 5997.9 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.024 SOUTH24 1 2 6139.6 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.024 SOUTH24 2 1 5986.8 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.024 SOUTH24 2 2 5890.8 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.8 0.024 SOUTH24 3 1 5854.7 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.024 SOUTH24 3 2 5800 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.024 SOUTH24 4 1 5800 <A <A <A 31.5 31.5 0.0 <A <A <A 32.9 32.9 0.024 SOUTH24 4 2 5800 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.024 SOUTH24 5 1 5800 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.024 SOUTH24 5 2 5741.8 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.024 SOUTH24 6 1 5742.5 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.024 SOUTH24 6 2 5600 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.024 SOUTH24 7 1 5594.6 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.024 SOUTH24 7 2 5400 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.024 SOUTH24 8 1 5497.8 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.024 SOUTH24 8 2 5400 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.024 SOUTH24 9 1 5600 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.024 SOUTH24 9 2 5470.5 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.024 SOUTH24 10 1 5698 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.024 SOUTH24 10 2 5607 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.024 SOUTH24 11 1 5800 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.024 SOUTH24 11 2 5698 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Gateway Corridor 3232 EAST32 1 1 6051.3 <A <A <A 34.3 34.1 -0.2 <A <A <A 35.7 35.5 -0.232 EAST32 1 2 6197 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.032 EAST32 1 3 5827.6 <A <A <A 34.4 34.8 0.4 <A <A <A 35.8 36.1 0.332 EAST32 1 4 5908.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.0 0.032 EAST32 1 5 5809.4 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.032 EAST32 1 6 5458.6 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.032 EAST32 1 7 5451.6 <A <A <A 33.3 33.3 0.0 <A <A <A 34.7 34.7 0.032 EAST32 1 8 5721.7 <A <A <A 33.1 33.0 -0.1 <A <A <A 34.4 34.4 0.032 EAST32 1 9 6074.9 <A <A <A 33.7 33.6 0.0 <A <A <A 34.8 34.9 0.132 EAST32 2 1 5939.9 <A <A <A 34.1 33.7 -0.3 <A <A <A 35.3 35.1 -0.232 EAST32 2 2 6028.3 <A <A <A 34.0 33.9 0.0 <A <A <A 35.4 35.4 0.032 EAST32 2 3 6119.4 <A <A <A 34.3 34.7 0.3 <A <A <A 35.8 36.1 0.232 EAST32 2 4 6152.3 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.032 EAST32 2 5 6703.7 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.032 EAST32 2 6 6367.6 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.032 EAST32 2 7 6797 <A <A <A 33.9 33.9 -0.1 <A <A <A 35.3 35.3 0.032 EAST32 2 8 5976 <A <A <A 33.4 33.3 -0.1 <A <A <A 34.8 34.8 0.032 EAST32 2 9 6091.7 <A <A <A 33.4 33.4 0.0 <A <A <A 34.7 34.8 0.1
Gateway Corridor 3333 EAST33 1 1 7465.1 <A <A <A 32.2 32.3 0.1 <A <A <A 33.7 33.7 0.133 EAST33 1 2 8147.6 <A <A <A 32.2 32.3 0.1 <A <A <A 34.4 33.7 -0.733 EAST33 1 3 8007.7 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.033 EAST33 1 4 8398 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.033 EAST33 1 5 8245.5 <A <A <A 33.9 34.0 0.1 <A <A <A 35.5 35.5 0.033 EAST33 1 6 8408 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.033 EAST33 1 7 8407.2 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.033 EAST33 1 8 8578 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.033 EAST33 2 1 7197.9 <A <A <A 32.5 32.6 0.0 <A <A <A 33.9 33.9 0.033 EAST33 2 2 7549 <A <A <A 32.3 32.8 0.5 <A <A <A 33.9 34.2 0.333 EAST33 2 3 7985.6 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.9 0.033 EAST33 2 4 7798 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.033 EAST33 2 5 8058.2 <A <A <A 33.7 33.8 0.0 <A <A <A 35.2 35.2 0.033 EAST33 2 6 8217.5 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.033 EAST33 2 7 8334.8 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.033 EAST33 2 8 8197.9 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.0
Goose Creek WSA12 ZION12 5 9 6135.4 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.0
Grand Canyon-Parashant NM2 PAIUTEW2 2 2 5195 <A <A <A 36.2 36.2 0.0 <A <A <A 37.6 37.6 0.02 PAIUTEW2 2 3 5835 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.02 PAIUTEW2 3 2 5396 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.02 PAIUTEW2 3 3 5820 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.02 PAIUTEW2 7 2 4839.5 <A <A <A 35.0 35.1 0.0 <A <A <A 36.5 36.5 0.02 PAIUTEW2 8 2 4991.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.0
23 SOUTH23 2 1 6409.6 <A <A <A 31.0 31.0 0.0 <A <A <A 32.5 32.5 0.023 SOUTH23 2 2 6288.1 <A <A <A 31.5 31.5 0.0 <A <A <A 32.9 32.9 0.023 SOUTH23 3 1 5834.5 <A <A <A 31.1 31.1 0.0 <A <A <A 32.5 32.5 0.023 SOUTH23 3 2 6009.7 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.023 SOUTH23 3 3 6009 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.023 SOUTH23 4 1 5618.6 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.023 SOUTH23 4 2 5789.1 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 4 3 5907 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.023 SOUTH23 5 1 5863.9 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.023 SOUTH23 5 2 5689.7 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.023 SOUTH23 5 3 5759.3 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.023 SOUTH23 6 3 6047 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.0
Grand Canyon-Parashant NM (West)2 PAIUTEW2 9 2 5196 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.02 PAIUTEW2 10 2 5348.1 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.0
21 PARASH21 1 1 2628.7 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.021 PARASH21 1 2 2960.4 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.021 PARASH21 1 3 4472.5 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.021 PARASH21 1 4 4388.9 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.021 PARASH21 2 1 2732.6 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.021 PARASH21 2 2 2991 <A <A <A 36.9 36.9 0.0 <A <A <A 38.4 38.4 0.021 PARASH21 2 3 3351.4 <A <A <A 36.5 36.5 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 2 4 3609.1 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 3 1 3060.2 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 3 2 3352.3 <A <A <A 37.1 37.1 0.0 <A <A <A 38.6 38.6 0.021 PARASH21 3 3 3461.7 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 3 4 3337.6 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 4 1 2474.3 <A <A <A 38.0 38.0 0.0 <A <A <A 39.5 39.5 0.021 PARASH21 4 2 2850.8 <A <A <A 37.4 37.4 0.0 <A <A <A 38.9 38.9 0.021 PARASH21 4 3 3101.4 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.021 PARASH21 4 4 3308.9 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.021 PARASH21 5 1 2600.2 <A <A <A 38.2 38.2 0.0 <A <A <A 39.7 39.7 0.021 PARASH21 5 2 2779.8 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.021 PARASH21 5 3 2973 <A <A <A 36.9 36.9 0.0 <A <A <A 38.4 38.4 0.021 PARASH21 5 4 3118.8 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 6 1 2631.2 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 6 2 2734.1 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
21 PARASH21 6 3 3011.3 <A <A <A 37.2 37.2 0.0 <A <A <A 38.7 38.7 0.021 PARASH21 6 4 2970.1 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 7 1 2577.7 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 7 2 2674.4 <A <A <A 38.0 38.0 0.0 <A <A <A 39.5 39.5 0.021 PARASH21 7 3 2839.7 <A <A <A 37.5 37.5 0.0 <A <A <A 39.0 39.0 0.021 PARASH21 7 4 3019.5 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.021 PARASH21 8 1 2747.6 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 8 2 2824 <A <A <A 38.2 38.2 0.0 <A <A <A 39.7 39.7 0.021 PARASH21 8 3 2999 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.021 PARASH21 8 4 2984.2 <A <A <A 37.0 37.0 0.0 <A <A <A 38.4 38.4 0.021 PARASH21 9 3 3117.6 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 9 4 2963.5 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.021 PARASH21 12 1 6466.1 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 12 2 6247.7 <A <A <A 38.5 38.5 0.0 <A <A <A 40.0 40.0 0.021 PARASH21 12 3 6143.4 <A <A <A 38.7 38.7 0.0 <A <A <A 40.1 40.1 0.021 PARASH21 12 4 4540.4 <A <A <A 38.2 38.2 0.0 <A <A <A 39.6 39.6 0.021 PARASH21 13 1 6257 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.021 PARASH21 13 2 5889.5 <A <A <A 38.2 38.2 0.0 <A <A <A 39.6 39.6 0.021 PARASH21 13 3 5761.2 <A <A <A 38.4 38.4 0.0 <A <A <A 39.9 39.9 0.021 PARASH21 13 4 5584.5 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 14 1 6256.5 <A <A <A 37.2 37.2 0.0 <A <A <A 38.7 38.7 0.021 PARASH21 14 2 5846.4 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.021 PARASH21 14 3 5059.4 <A <A <A 38.1 38.1 0.0 <A <A <A 39.6 39.6 0.021 PARASH21 14 4 5417.6 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 15 1 6040.8 <A <A <A 36.8 36.8 0.0 <A <A <A 38.3 38.3 0.021 PARASH21 15 2 5859.4 <A <A <A 37.4 37.4 0.0 <A <A <A 38.9 38.9 0.021 PARASH21 15 3 5757 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 15 4 6000.7 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 16 1 5759.9 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 16 2 5935 <A <A <A 37.1 37.1 0.0 <A <A <A 38.6 38.6 0.021 PARASH21 17 1 5943.9 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.01 PARSHAN1 1 1 4351.8 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.01 PARSHAN1 1 2 4534 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.01 PARSHAN1 1 3 5330.7 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.01 PARSHAN1 1 4 4885.1 <A <A <A 36.3 36.4 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 1 5 5209.9 <A <A <A 36.2 36.3 0.1 <A <A <A 37.8 37.8 0.01 PARSHAN1 1 6 6450.7 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 2 1 3596.9 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 2 2 3869.4 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 2 3 3918.5 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 2 4 3979.3 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 2 5 4410 <A <A <A 36.1 36.2 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 2 6 5176 <A <A <A 36.1 36.2 0.1 <A <A <A 37.7 37.6 0.01 PARSHAN1 2 9 2878.3 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 3 1 3327.5 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 3 2 3610.6 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 3 3 3800.1 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 3 4 3933.7 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 3 5 4768.4 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 3 6 4172.7 <A <A <A 36.1 36.2 0.1 <A <A <A 37.6 37.6 0.01 PARSHAN1 3 7 5373.8 <A <A <A 36.2 36.3 0.0 <A <A <A 37.7 37.6 0.01 PARSHAN1 3 8 4669.2 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 4 1 3293.2 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 4 2 3542.1 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 4 3 3813.3 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 4 4 3801.2 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 4 5 4042.7 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 4 6 3905 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 4 7 4200.7 <A <A <A 36.1 36.2 0.1 <A <A <A 37.6 37.6 0.01 PARSHAN1 4 8 4380 <A <A <A 36.0 36.1 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 4 9 4382.5 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 5 1 3106.5 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 5 2 3537.1 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 5 3 3775 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 5 4 3362.2 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 5 5 3891.1 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 5 6 3842.2 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 5 7 4211.7 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 5 8 4196 <A <A <A 36.0 36.1 0.1 <A <A <A 37.5 37.5 0.01 PARSHAN1 5 9 4995.7 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 6 1 2973.5 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 6 2 3449.6 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 6 3 3656.8 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 6 4 3848.4 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 6 5 4255.6 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 6 6 4011.8 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 6 7 4404.7 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 6 8 4390.8 <A <A <A 36.0 36.0 0.1 <A <A <A 37.5 37.5 0.01 PARSHAN1 6 9 4802.3 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 7 7 4103.7 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 7 8 4327.8 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 7 1 3007.7 <A <A <A 36.7 36.7 0.0 <A <A <A 38.1 38.1 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
1 PARSHAN1 7 2 3325.9 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 7 3 3701.5 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 7 4 4027.7 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 7 5 4354.2 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 7 6 4506.2 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 7 9 4850.6 <A <A <A 36.0 36.1 0.1 <A <A <A 37.5 37.5 0.01 PARSHAN1 8 7 4306.7 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 8 1 2980.3 <A <A <A 37.0 37.0 0.0 <A <A <A 38.5 38.5 0.01 PARSHAN1 8 2 3378.5 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 8 3 3646 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 8 4 4079.2 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 8 5 4496.7 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 8 6 4803.4 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 8 9 5521.9 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 9 1 2972.6 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.01 PARSHAN1 9 2 3554.9 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.01 PARSHAN1 9 8 4488.5 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 9 3 3787.8 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 9 4 4206 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 9 5 4350.8 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 9 6 4511.1 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 9 7 5013 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 10 3 3841.1 <A <A <A 36.2 36.2 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 10 4 4009.3 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 10 5 4240.7 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 10 6 4302.1 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 10 7 3949.4 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 10 8 4904.6 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 10 9 4389 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 11 3 4157.8 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.01 PARSHAN1 11 4 4908.6 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 11 5 4355.1 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 11 6 4738.8 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 11 7 4097.8 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 11 8 4186 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 11 9 4416 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.01 PARSHAN1 12 1 4518.7 <A <A <A 38.2 38.2 0.0 <A <A <A 39.6 39.6 0.01 PARSHAN1 12 2 4250.8 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.01 PARSHAN1 12 3 5561.7 <A <A <A 36.9 36.9 0.0 <A <A <A 38.4 38.4 0.01 PARSHAN1 12 4 5310.1 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 12 5 4635.5 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 12 6 5032.2 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 12 7 4210 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 12 8 4589.8 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.0 0.01 PARSHAN1 12 9 4960.5 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 13 1 5651.1 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.01 PARSHAN1 13 2 5356 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.01 PARSHAN1 13 3 5477.9 <A <A <A 37.2 37.2 0.0 <A <A <A 38.7 38.7 0.01 PARSHAN1 13 4 5167.7 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 13 5 4741.7 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 13 6 4848.1 <A <A <A 35.4 35.4 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 13 7 4832.9 <A <A <A 34.9 34.9 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 13 8 5196 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 13 9 4996 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 14 1 5529 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.01 PARSHAN1 14 2 5251.7 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.01 PARSHAN1 14 3 5712.7 <A <A <A 37.4 37.4 0.0 <A <A <A 38.9 38.9 0.01 PARSHAN1 14 4 5617.4 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.01 PARSHAN1 14 5 5248.8 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 14 6 5363.8 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 14 7 5010.8 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 14 8 5118.6 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.01 PARSHAN1 14 9 5196 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 15 1 6002.1 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.01 PARSHAN1 15 2 5804 <A <A <A 38.1 38.1 0.0 <A <A <A 39.6 39.6 0.01 PARSHAN1 15 3 5756.5 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.01 PARSHAN1 15 4 5597.2 <A <A <A 36.9 36.9 0.0 <A <A <A 38.4 38.4 0.01 PARSHAN1 15 5 5331.2 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 15 6 5229.5 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 15 7 5206.6 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 15 8 5126.3 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 16 3 5599 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.01 PARSHAN1 16 4 5445.1 <A <A <A 37.1 37.1 0.0 <A <A <A 38.6 38.6 0.01 PARSHAN1 16 5 5296.2 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 16 6 5308.2 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 16 7 5146 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 17 4 5437.2 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.01 PARSHAN1 17 5 5412.6 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.0
Grand Wash Cliffs Wilderness21 PARASH21 8 1 2747.6 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 8 2 2824 <A <A <A 38.2 38.2 0.0 <A <A <A 39.7 39.7 0.021 PARASH21 8 3 2999 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
21 PARASH21 9 3 3117.6 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 9 4 2963.5 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.021 PARASH21 9 1 3393.7 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 9 2 3189.6 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 10 1 4732.9 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 10 2 4428 <A <A <A 38.5 38.5 0.0 <A <A <A 40.0 40.0 0.021 PARASH21 10 3 4622.3 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.021 PARASH21 10 4 4394.5 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 11 1 5083.5 <A <A <A 38.1 38.1 0.0 <A <A <A 39.5 39.5 0.021 PARASH21 11 2 5018.3 <A <A <A 38.5 38.5 0.0 <A <A <A 40.0 40.0 0.021 PARASH21 11 3 4988.8 <A <A <A 38.5 38.5 0.0 <A <A <A 40.0 40.0 0.021 PARASH21 11 4 4438.2 <A <A <A 38.0 38.0 0.0 <A <A <A 39.5 39.5 0.01 PARSHAN1 9 1 2972.6 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.01 PARSHAN1 9 2 3554.9 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.01 PARSHAN1 10 1 4395.3 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.01 PARSHAN1 10 2 3359.6 <A <A <A 36.9 36.9 0.0 <A <A <A 38.4 38.4 0.01 PARSHAN1 11 1 4438.7 <A <A <A 38.0 38.0 0.0 <A <A <A 39.5 39.5 0.01 PARSHAN1 11 2 3910.4 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.0
Gunlock SP40 REDMTN40 1 2 3595 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.040 REDMTN40 1 3 3795 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.040 REDMTN40 2 2 4785.8 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.040 REDMTN40 2 3 3958.2 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.0
Iron Mission State Park Museum14 PAIUTE14 3 3 5797 <A <A <A 29.8 29.8 0.0 <A <A <A 31.2 31.2 0.0
Joshua Tree Instant Study Area4 BEAVER4 1 7 3374 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.04 BEAVER4 2 7 4567.8 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.04 BEAVER4 2 8 4674.8 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.0
Kaibab Indian Reservation17 KAIBAB17 1 1 4808.2 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.017 KAIBAB17 1 2 4911.2 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.017 KAIBAB17 1 3 5254.4 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.017 KAIBAB17 1 4 5750.2 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.017 KAIBAB17 1 5 5766.8 <A <A <A 33.3 33.4 0.2 <A <A <A 34.7 34.9 0.217 KAIBAB17 1 6 5811.7 <A <A <A 34.0 33.9 -0.1 <A <A <A 35.4 35.2 -0.217 KAIBAB17 1 7 5714.3 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.017 KAIBAB17 1 8 5726.4 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.017 KAIBAB17 2 1 4760.5 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.017 KAIBAB17 2 2 4896.2 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.017 KAIBAB17 2 3 5505.5 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.017 KAIBAB17 2 4 5649.7 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.017 KAIBAB17 2 5 6203.4 <A <A <A 33.3 33.3 0.0 <A <A <A 34.7 34.7 0.017 KAIBAB17 2 6 6330.8 <A <A <A 34.7 34.5 -0.2 29.1 <A 0.0 35.8 35.5 -0.417 KAIBAB17 2 7 6196.9 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.017 KAIBAB17 2 8 5993.8 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.017 KAIBAB17 3 2 4844.7 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.017 KAIBAB17 3 3 4987.1 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.017 KAIBAB17 3 1 4714.3 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.017 KAIBAB17 3 4 5657.2 <A <A <A 33.2 33.2 0.1 <A <A <A 34.7 34.7 0.017 KAIBAB17 3 5 5204.5 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.4 0.017 KAIBAB17 3 6 5997.9 31.9 31.6 -0.3 35.5 35.4 -0.1 32.1 33.1 1.0 36.4 36.8 0.417 KAIBAB17 3 7 6013.2 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.017 KAIBAB17 3 8 5801.7 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.017 KAIBAB17 4 2 4825.3 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.017 KAIBAB17 4 3 5095.9 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.017 KAIBAB17 4 7 5729.6 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.017 KAIBAB17 4 1 4593.8 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.017 KAIBAB17 4 4 5000 <A <A <A 33.1 33.2 0.1 <A <A <A 34.6 35.2 0.717 KAIBAB17 4 5 5563.6 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.017 KAIBAB17 4 6 5779.1 <A <A <A 34.1 34.0 -0.1 <A <A <A 35.3 35.1 -0.217 KAIBAB17 4 8 5725 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.4 0.017 KAIBAB17 5 7 5433.5 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.017 KAIBAB17 5 1 4550 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.017 KAIBAB17 5 2 4592.8 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.017 KAIBAB17 5 3 4749.7 <A <A <A 33.6 33.7 0.0 <A <A <A 35.1 35.1 0.017 KAIBAB17 5 4 5050.9 <A <A <A 33.2 33.3 0.1 <A <A <A 34.7 34.7 0.017 KAIBAB17 5 5 5150.7 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.017 KAIBAB17 5 6 5212.9 <A <A <A 33.5 33.4 -0.1 <A <A <A 34.7 34.6 -0.117 KAIBAB17 5 8 6766.7 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.3 0.017 KAIBAB17 6 1 4557 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.017 KAIBAB17 6 2 4598.2 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.017 KAIBAB17 6 3 4834.4 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.017 KAIBAB17 6 4 5000 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.017 KAIBAB17 6 5 5000 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.017 KAIBAB17 6 6 5008 <A <A <A 33.2 33.1 -0.1 <A <A <A 34.5 34.4 -0.117 KAIBAB17 6 7 5337.6 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.017 KAIBAB17 6 8 5972.2 <A <A <A 32.7 32.6 -0.1 <A <A <A 34.1 33.9 -0.228 KAIBAB28 1 1 4559.4 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.028 KAIBAB28 1 2 4599.3 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.028 KAIBAB28 1 3 4842.4 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.028 KAIBAB28 1 4 5000 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
28 KAIBAB28 1 5 5000 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.028 KAIBAB28 1 6 5028.2 <A <A <A 33.1 33.1 -0.1 <A <A <A 34.5 34.4 -0.128 KAIBAB28 1 7 5344.9 <A <A <A 32.6 32.5 0.0 <A <A <A 34.0 34.0 0.028 KAIBAB28 1 8 5862.2 <A <A <A 32.8 32.7 -0.1 <A <A <A 34.2 33.9 -0.328 KAIBAB28 2 1 4547.9 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.028 KAIBAB28 2 2 4586 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.028 KAIBAB28 2 3 4749.6 <A <A <A 34.1 34.1 0.1 <A <A <A 35.5 35.8 0.328 KAIBAB28 2 4 4991.3 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.028 KAIBAB28 2 5 5003.3 <A <A <A 33.2 33.1 0.0 <A <A <A 34.6 34.6 0.028 KAIBAB28 2 6 5020.5 <A <A <A 32.9 32.8 0.0 <A <A <A 34.3 34.2 -0.128 KAIBAB28 2 7 5134.9 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.8 0.028 KAIBAB28 2 8 5295.3 <A <A <A 32.9 32.7 -0.2 <A 31.6 2.5 34.1 35.7 1.528 KAIBAB28 3 1 4500.8 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.7 0.028 KAIBAB28 3 2 4501 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.028 KAIBAB28 3 3 4556 <A <A <A 34.1 34.2 0.0 <A <A <A 35.5 35.5 0.028 KAIBAB28 3 4 4778.4 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.028 KAIBAB28 3 5 4799 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.6 -0.128 KAIBAB28 3 6 4887.6 <A <A <A 32.8 32.7 0.0 <A <A <A 34.2 34.1 -0.128 KAIBAB28 3 7 4924.3 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.8 0.028 KAIBAB28 3 8 5149.7 <A <A <A 32.6 32.4 -0.1 <A <A <A 33.9 33.9 0.0
Kaibab National Forest 25 KAIFST25 1 4 5600 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.025 KAIFST25 1 3 5669.8 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.025 KAIFST25 2 3 4200.2 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.024 SOUTH24 9 1 5600 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.024 SOUTH24 9 2 5470.5 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.024 SOUTH24 10 1 5698 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.024 SOUTH24 10 2 5607 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.024 SOUTH24 11 1 5800 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.024 SOUTH24 11 2 5698 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.0
Kanab Creek Wilderness25 KAIFST25 1 4 5600 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.025 KAIFST25 1 5 5567.4 <A <A <A 32.0 32.0 0.0 <A <A <A 33.4 33.4 0.025 KAIFST25 1 6 4216.8 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.025 KAIFST25 2 3 4200.2 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.025 KAIFST25 2 4 3918.2 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.025 KAIFST25 2 5 3771.9 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.025 KAIFST25 2 6 3398 <A <A <A 31.5 31.5 0.0 <A <A <A 32.9 32.9 0.025 KAIFST25 3 3 4002 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.025 KAIFST25 3 4 3957 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.025 KAIFST25 3 5 4184.9 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.025 KAIFST25 3 6 3824.3 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.026 KANCRK26 2 1 5171.3 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.026 KANCRK26 2 2 4749.9 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.026 KANCRK26 3 1 4600.7 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.026 KANCRK26 3 2 5036.6 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.026 KANCRK26 4 1 3398 <A <A <A 31.5 31.5 0.0 <A <A <A 32.9 32.9 0.026 KANCRK26 4 2 5196.7 <A <A <A 31.5 31.5 0.0 <A <A <A 32.9 32.9 0.026 KANCRK26 5 1 3768.4 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.026 KANCRK26 5 2 3617.9 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.027 KANCRK27 1 1 3624 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.027 KANCRK27 1 2 5212.1 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.027 KANCRK27 1 3 5213.6 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.027 KANCRK27 1 4 5099.3 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.027 KANCRK27 2 1 3827.8 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.027 KANCRK27 2 2 3794 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.027 KANCRK27 2 3 3923.2 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.027 KANCRK27 2 4 4802.7 <A <A <A 31.7 31.7 0.0 <A <A <A 33.2 33.2 0.0
Lake Mead National Recreation Area46 LKMEAD46 1 1 1617.3 <A <A <A 38.6 38.6 0.0 <A <A <A 39.9 39.9 0.046 LKMEAD46 1 2 1930.2 <A <A <A 38.9 38.9 0.0 <A <A <A 40.3 40.3 0.046 LKMEAD46 2 1 1283 <A <A <A 38.1 38.1 0.0 <A <A <A 39.5 39.5 0.046 LKMEAD46 2 2 1317.2 <A <A <A 38.4 38.4 0.0 <A <A <A 39.8 39.8 0.046 LKMEAD46 2 3 1339 <A <A <A 38.8 38.8 0.0 <A <A <A 40.2 40.2 0.046 LKMEAD46 2 4 1375.5 <A <A <A 39.1 39.1 0.0 <A <A <A 40.5 40.5 0.046 LKMEAD46 3 1 1542.3 <A <A <A 37.7 37.7 0.0 <A <A <A 39.1 39.1 0.046 LKMEAD46 3 2 2062.9 <A <A <A 38.0 38.0 0.0 <A <A <A 39.5 39.5 0.046 LKMEAD46 3 3 1809.8 <A <A <A 38.3 38.3 0.0 <A <A <A 39.8 39.8 0.046 LKMEAD46 3 4 1447.8 <A <A <A 38.8 38.8 0.0 <A <A <A 40.2 40.2 0.046 LKMEAD46 4 1 1677.1 <A <A <A 37.3 37.3 0.0 <A <A <A 38.7 38.7 0.047 LKMEAD47 1 1 1299.8 <A <A <A 37.7 37.7 0.0 <A <A <A 39.1 39.1 0.047 LKMEAD47 1 2 1312 <A <A <A 38.0 38.0 0.0 <A <A <A 39.3 39.3 0.047 LKMEAD47 1 3 1240.8 <A <A <A 38.1 38.1 0.0 <A <A <A 39.5 39.5 0.047 LKMEAD47 1 4 1604.5 <A <A <A 38.6 38.6 0.0 <A <A <A 40.0 40.0 0.047 LKMEAD47 2 1 1079 <A <A <A 37.3 37.3 0.0 <A <A <A 38.7 38.7 0.047 LKMEAD47 2 2 1079 <A <A <A 37.4 37.4 0.0 <A <A <A 38.8 38.8 0.047 LKMEAD47 2 3 1265.6 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.047 LKMEAD47 2 4 1281.6 <A <A <A 38.1 38.1 0.0 <A <A <A 39.5 39.5 0.047 LKMEAD47 3 1 1242.2 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.047 LKMEAD47 3 2 1432.7 <A <A <A 37.0 37.0 0.0 <A <A <A 38.4 38.4 0.047 LKMEAD47 3 3 1443.8 <A <A <A 37.4 37.4 0.0 <A <A <A 38.8 38.8 0.047 LKMEAD47 3 4 1537.2 <A <A <A 37.7 37.7 0.0 <A <A <A 39.1 39.1 0.047 LKMEAD47 4 1 1658.1 <A <A <A 36.6 36.6 0.0 <A <A <A 37.9 37.9 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
47 LKMEAD47 4 2 1597.3 <A <A <A 36.7 36.7 0.0 <A <A <A 38.1 38.1 0.047 LKMEAD47 4 3 1611.9 <A <A <A 37.0 37.0 0.0 <A <A <A 38.4 38.4 0.047 LKMEAD47 4 4 1675 <A <A <A 37.3 37.3 0.0 <A <A <A 38.7 38.7 0.047 LKMEAD47 5 3 1967.4 <A <A <A 36.7 36.7 0.0 <A <A <A 38.1 38.1 0.0
La Varkin Creek WSA19 ZION19 1 2 6517.5 <A <A <A 31.8 31.7 -0.1 <A <A <A 33.3 33.1 -0.119 ZION19 1 3 6653.9 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.0
Lime Canyon WSA47 LKMEAD47 4 1 1658.1 <A <A <A 36.6 36.6 0.0 <A <A <A 37.9 37.9 0.047 LKMEAD47 4 2 1597.3 <A <A <A 36.7 36.7 0.0 <A <A <A 38.1 38.1 0.047 LKMEAD47 5 1 2599.1 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.047 LKMEAD47 5 2 1816 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.047 LKMEAD47 6 1 2167.1 <A <A <A 36.5 36.5 0.0 <A <A <A 37.9 37.9 0.0
Moquith Mountains WSA17 KAIBAB17 4 7 5729.6 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.017 KAIBAB17 5 7 5433.5 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.029 MOQMTN29 1 2 5983.1 <A <A <A 33.5 33.5 -0.1 <A <A <A 34.8 34.6 -0.229 MOQMTN29 1 3 6230.9 <A <A <A 33.7 33.8 0.0 <A <A <A 35.2 35.2 0.029 MOQMTN29 1 1 5819.2 <A <A <A 32.9 32.9 0.0 <A <A <A 34.3 34.2 0.029 MOQMTN29 2 1 6822.5 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.1 -0.129 MOQMTN29 2 2 6665.9 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 -0.129 MOQMTN29 2 3 6605.7 <A <A <A 33.1 33.2 0.0 <A <A <A 34.7 34.7 0.029 MOQMTN29 2 4 6431.1 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.029 MOQMTN29 3 1 5448.3 <A <A <A 32.8 32.7 -0.1 <A <A <A 34.1 34.1 0.029 MOQMTN29 3 2 6393 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.029 MOQMTN29 3 3 6428.9 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.029 MOQMTN29 3 4 6197 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.029 MOQMTN29 3 5 6042.3 <A <A <A 34.3 34.0 -0.3 <A <A <A 35.6 35.4 -0.229 MOQMTN29 4 1 5185.9 <A <A <A 32.7 32.5 -0.2 <A 29.6 0.5 34.0 34.9 0.929 MOQMTN29 4 2 5959.1 <A <A <A 32.0 32.0 0.0 <A <A <A 33.4 33.4 0.029 MOQMTN29 4 3 6199.3 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.0
Morman Mountains WSA45 WEST45 1 1 3097.5 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.045 WEST45 1 2 3506.5 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.045 WEST45 1 3 3989.1 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.045 WEST45 1 4 3966.5 <A <A <A 30.6 30.6 0.0 <A <A <A 32.1 32.1 0.045 WEST45 1 5 5001.5 <A <A <A 29.9 29.9 0.0 <A <A <A 31.4 31.4 0.045 WEST45 1 6 3795 <A <A <A 29.4 29.4 0.0 <A <A <A 30.9 30.9 0.045 WEST45 1 7 4177.3 <A <A <A <A <A <A <A <A <A 30.3 30.3 0.045 WEST45 1 8 4622.5 <A <A <A <A <A <A <A <A <A 29.9 29.9 0.045 WEST45 1 9 3659.6 <A <A <A <A <A <A <A <A <A 29.4 29.4 0.045 WEST45 1 10 3365.3 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 1 11 3334.6 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 2 2 3416.3 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.045 WEST45 2 3 3601.2 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.045 WEST45 2 4 3398 <A <A <A 31.7 31.7 0.0 <A <A <A 33.2 33.2 0.045 WEST45 2 5 3387.7 <A <A <A 31.0 31.0 0.0 <A <A <A 32.5 32.5 0.045 WEST45 2 6 3413.6 <A <A <A 30.3 30.3 0.0 <A <A <A 31.8 31.8 0.045 WEST45 2 7 3578 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.045 WEST45 2 8 3414.6 <A <A <A <A <A <A <A <A <A 30.6 30.6 0.045 WEST45 2 9 3198 <A <A <A <A <A <A <A <A <A 30.1 30.1 0.045 WEST45 2 10 3198.6 <A <A <A <A <A <A <A <A <A 29.5 29.5 0.045 WEST45 3 6 3347.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.045 WEST45 3 7 3182.5 <A <A <A 30.6 30.6 0.0 <A <A <A 32.1 32.1 0.045 WEST45 3 8 3011.9 <A <A <A 29.9 29.9 0.0 <A <A <A 31.4 31.4 0.045 WEST45 3 9 3159 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.0
Mount Trumbull Wilderness23 SOUTH23 1 1 6432.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.7 32.7 0.023 SOUTH23 2 1 6409.6 <A <A <A 31.0 31.0 0.0 <A <A <A 32.5 32.5 0.023 SOUTH23 3 1 5834.5 <A <A <A 31.1 31.1 0.0 <A <A <A 32.5 32.5 0.0
North Fork Virgin River WSA35 DEEPCK35 4 1 6531 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.035 DEEPCK35 5 1 6132 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.034 ORDERV34 1 4 6097.2 <A <A <A 34.3 34.4 0.1 <A <A <A 35.9 35.9 0.034 ORDERV34 1 5 6564.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.034 ORDERV34 2 4 6187.9 <A <A <A 33.9 34.0 0.1 <A <A <A 35.5 35.5 0.034 ORDERV34 2 5 6150.9 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.0
Orderville Canyon WSA34 ORDERV34 1 2 5613.5 <A <A <A 33.4 33.5 0.1 <A <A <A 34.8 34.8 0.034 ORDERV34 1 3 6168.3 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.034 ORDERV34 2 2 6681.3 <A <A <A 33.4 33.8 0.4 <A <A <A 34.8 34.8 0.034 ORDERV34 2 3 5805 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.0
Shivwits Paiute Indian Reservation5 PAIUTEW5 1 1 5404.1 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.05 PAIUTEW5 1 2 5534.5 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.05 PAIUTEW5 1 3 5734 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.05 PAIUTEW5 1 4 4794 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.05 PAIUTEW5 1 5 4435.6 <A <A <A 36.9 36.9 0.0 <A <A <A 38.4 38.4 0.05 PAIUTEW5 2 1 4397.5 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.05 PAIUTEW5 2 2 4263.1 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.05 PAIUTEW5 2 3 4639.8 <A <A <A 34.7 34.6 0.0 <A <A <A 36.1 36.1 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
5 PAIUTEW5 2 4 4069.6 <A <A <A 35.3 35.2 0.0 <A <A <A 36.6 36.6 0.05 PAIUTEW5 2 5 3992.7 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.05 PAIUTEW5 3 1 4055.1 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.05 PAIUTEW5 3 2 3899.4 <A <A <A 33.1 33.0 -0.1 <A <A <A 34.5 34.4 -0.15 PAIUTEW5 3 3 3705 <A <A <A 33.8 33.6 -0.3 <A <A <A 35.2 35.0 -0.25 PAIUTEW5 3 4 3452 <A <A <A 34.2 34.1 -0.1 <A <A <A 35.6 35.5 -0.15 PAIUTEW5 3 5 3786.5 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.05 PAIUTEW5 4 1 3784 <A <A <A 32.1 31.9 -0.2 <A <A <A 33.4 33.3 -0.15 PAIUTEW5 4 2 3595 <A <A <A 33.2 32.5 -0.7 <A <A <A 34.4 33.8 -0.65 PAIUTEW5 4 3 3945.1 <A <A <A 33.1 32.7 -0.4 <A <A <A 34.4 34.1 -0.35 PAIUTEW5 4 4 3411.7 <A <A <A 33.0 32.9 -0.1 <A <A <A 34.4 34.3 -0.15 PAIUTEW5 4 5 4513.1 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.05 PAIUTEW5 5 1 3448.2 <A <A <A 32.2 31.5 -0.6 <A <A <A 33.4 32.9 -0.55 PAIUTEW5 5 2 3226.4 <A <A <A 32.8 31.7 -1.1 <A <A <A 33.9 33.1 -0.85 PAIUTEW5 5 3 3198 <A <A <A 31.9 31.7 -0.2 <A <A <A 33.3 33.1 -0.15 PAIUTEW5 5 4 3356.7 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.05 PAIUTEW5 5 5 4916.2 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.9 0.0
Cedar City Paiute Indian Reservation14 PAIUTE14 1 1 5495 <A <A <A 32.8 32.8 0.0 <A <A <A 33.8 33.8 0.014 PAIUTE14 1 2 5482 30.0 29.9 -0.1 33.3 33.3 0.0 30.1 30.1 0.0 34.2 34.2 0.014 PAIUTE14 2 1 6356.4 <A <A <A 30.9 30.9 0.0 <A <A <A 32.3 32.3 0.014 PAIUTE14 2 2 5993.7 <A <A <A 30.9 30.9 0.0 <A <A <A 32.1 32.2 0.014 PAIUTE14 3 1 6498.6 <A <A <A 30.4 30.4 0.0 <A <A <A 31.9 31.9 0.014 PAIUTE14 3 2 5974.5 <A <A <A 29.8 29.8 0.0 <A <A <A 31.2 31.2 0.0
Paiute Wilderness4 BEAVER4 1 1 2565.2 <A <A <A 36.0 36.0 0.0 <A <A <A 37.3 37.3 0.04 BEAVER4 1 2 1992.4 <A <A <A 35.9 35.8 -0.1 <A <A <A 37.3 37.2 -0.14 BEAVER4 2 1 5616.8 <A <A <A 36.1 36.0 -0.1 <A <A <A 37.4 37.4 -0.14 BEAVER4 2 2 3792 30.3 29.2 -1.1 36.6 36.4 -0.2 30.4 29.4 -1.0 37.8 37.7 -0.24 BEAVER4 3 1 4967.7 <A <A <A 36.0 35.7 -0.2 <A <A <A 37.3 37.2 -0.24 BEAVER4 3 2 4035.5 <A <A <A 36.2 35.8 -0.3 <A <A <A 37.4 37.2 -0.24 BEAVER4 3 3 2451.7 30.0 <A -0.9 36.3 36.1 -0.2 30.2 <A -1.1 37.6 37.4 -0.24 BEAVER4 3 8 6307.2 <A <A <A 33.7 33.8 0.0 <A <A <A 35.2 35.2 0.04 BEAVER4 4 4 2398 29.1 <A 0.0 36.0 35.9 -0.1 29.3 <A -0.2 37.2 37.1 -0.14 BEAVER4 4 1 4963.6 <A <A <A 35.8 35.7 -0.1 <A <A <A 37.2 37.1 -0.14 BEAVER4 4 2 4376 <A <A <A 35.9 35.6 -0.3 <A <A <A 37.3 37.0 -0.24 BEAVER4 5 1 5795.5 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.04 BEAVER4 5 2 5400 <A <A <A 35.8 35.7 -0.1 <A <A <A 37.2 37.2 -0.14 BEAVER4 5 3 4352.6 <A <A <A 36.1 35.9 -0.2 <A <A <A 37.4 37.2 -0.24 BEAVER4 5 4 2606.1 31.5 30.7 -0.8 36.6 36.3 -0.2 31.6 30.9 -0.7 37.7 37.5 -0.24 BEAVER4 6 3 4392 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.1 0.02 PAIUTEW2 2 2 5195 <A <A <A 36.2 36.2 0.0 <A <A <A 37.6 37.6 0.02 PAIUTEW2 2 3 5835 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.02 PAIUTEW2 2 1 4894.4 <A <A <A 36.1 36.2 0.0 <A <A <A 37.6 37.6 0.02 PAIUTEW2 2 4 5768.7 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.02 PAIUTEW2 3 2 5396 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.02 PAIUTEW2 3 3 5820 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.02 PAIUTEW2 3 1 4885.1 <A <A <A 36.0 36.1 0.1 <A <A <A 37.5 37.5 0.02 PAIUTEW2 3 4 7483.9 <A <A <A 36.3 36.4 0.1 <A <A <A 37.8 37.8 0.02 PAIUTEW2 4 1 5283.6 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.02 PAIUTEW2 4 2 4910.7 <A <A <A 36.1 36.2 0.1 <A <A <A 37.6 37.6 0.02 PAIUTEW2 4 3 6136.9 <A <A <A 36.4 36.3 0.0 <A <A <A 37.8 37.8 0.02 PAIUTEW2 4 4 7072.1 <A <A <A 36.4 36.5 0.1 <A <A <A 37.9 38.0 0.12 PAIUTEW2 5 1 4589 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.02 PAIUTEW2 5 2 4881.5 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.02 PAIUTEW2 5 3 6774.8 <A <A <A 36.3 36.4 0.1 <A <A <A 37.9 37.8 -0.12 PAIUTEW2 5 4 7086.1 <A <A <A 36.6 36.5 0.0 <A <A <A 38.0 38.0 0.02 PAIUTEW2 6 1 4386.1 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.02 PAIUTEW2 6 2 4598.8 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.02 PAIUTEW2 6 3 5105.9 <A <A <A 35.8 35.8 0.1 <A <A <A 37.3 37.3 0.02 PAIUTEW2 6 4 5803.7 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.02 PAIUTEW2 7 2 4839.5 <A <A <A 35.0 35.1 0.0 <A <A <A 36.5 36.5 0.02 PAIUTEW2 7 3 5736.6 <A <A <A 35.4 35.5 0.0 <A <A <A 36.9 36.9 0.02 PAIUTEW2 7 4 6447.5 <A <A <A 35.8 36.0 0.2 <A <A <A 37.4 37.5 0.02 PAIUTEW2 8 2 4991.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.02 PAIUTEW2 8 3 5597 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.02 PAIUTEW2 8 4 5165.8 <A <A <A 35.2 35.3 0.0 <A <A <A 36.7 36.7 0.02 PAIUTEW2 9 3 5017.6 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.03 PAIUTEW3 1 1 3733.6 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.03 PAIUTEW3 1 2 2782.7 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.0 0.03 PAIUTEW3 2 1 5796 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.03 PAIUTEW3 2 2 3631 <A <A <A 35.8 35.7 0.0 <A <A <A 37.2 37.2 0.03 PAIUTEW3 2 3 3031.5 <A <A <A 35.8 35.7 0.0 <A <A <A 37.2 37.1 0.03 PAIUTEW3 2 4 2586 <A <A <A 36.0 35.9 0.0 <A <A <A 37.3 37.3 0.03 PAIUTEW3 2 5 2176 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.03 PAIUTEW3 3 1 7432.7 <A <A <A 36.3 36.4 0.1 <A <A <A 37.8 37.8 0.03 PAIUTEW3 3 2 5278.8 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.4 0.03 PAIUTEW3 3 3 4933.4 <A <A <A 35.9 35.9 -0.1 <A <A <A 37.3 37.3 0.03 PAIUTEW3 3 4 3574.3 <A <A <A 35.8 35.7 0.0 <A <A <A 37.2 37.1 0.03 PAIUTEW3 3 5 4095.6 <A <A <A 36.3 36.3 0.0 <A <A <A 37.6 37.6 0.03 PAIUTEW3 4 1 7094.4 <A <A <A 36.4 36.5 0.1 <A <A <A 37.9 38.0 0.13 PAIUTEW3 4 2 6473.7 <A <A <A 36.2 36.3 0.1 <A <A <A 37.7 37.7 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
3 PAIUTEW3 4 3 6928.4 <A <A <A 36.2 36.2 0.0 <A <A <A 37.6 37.6 0.03 PAIUTEW3 4 4 6280.1 <A <A <A 36.0 36.0 -0.1 <A <A <A 37.4 37.4 0.03 PAIUTEW3 4 5 4929.5 <A <A <A 36.0 35.8 -0.1 <A <A <A 37.3 37.2 -0.13 PAIUTEW3 5 1 7083.5 <A <A <A 36.6 36.5 -0.1 <A <A <A 38.0 38.0 0.03 PAIUTEW3 5 2 5664.1 <A <A <A 36.2 36.3 0.1 <A <A <A 37.7 37.8 0.03 PAIUTEW3 5 3 4931.3 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.03 PAIUTEW3 5 4 4430.7 <A <A <A 35.9 35.8 0.0 <A <A <A 37.3 37.3 0.03 PAIUTEW3 5 5 3420.2 <A <A <A 35.7 35.5 -0.2 <A <A <A 37.1 37.0 -0.13 PAIUTEW3 6 1 5806.7 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.03 PAIUTEW3 6 2 6884.3 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.03 PAIUTEW3 6 3 6424.7 <A <A <A 36.1 36.2 0.1 <A <A <A 37.6 37.7 0.13 PAIUTEW3 6 4 5729.6 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.5 0.03 PAIUTEW3 6 5 4726.1 <A <A <A 35.7 35.7 -0.1 <A <A <A 37.2 37.1 -0.13 PAIUTEW3 7 1 6442.6 <A <A <A 35.8 36.0 0.2 <A <A <A 37.4 37.5 0.03 PAIUTEW3 7 2 6859.6 <A <A <A 36.4 36.2 -0.2 <A <A <A 37.6 37.6 0.01 PARSHAN1 7 7 4103.7 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 7 8 4327.8 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 8 7 4306.7 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 8 8 5066.7 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 9 8 4488.5 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 10 3 3841.1 <A <A <A 36.2 36.2 0.0 <A <A <A 37.6 37.6 0.0
Parunuweap WSA31 PARUNW31 1 2 5747.3 <A <A <A 34.3 34.4 0.1 <A <A <A 35.8 35.8 0.031 PARUNW31 1 3 5604.7 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.031 PARUNW31 1 4 4839.8 <A <A <A 33.5 33.4 -0.1 <A <A <A 34.9 34.9 0.031 PARUNW31 1 5 5715.2 <A <A <A 33.7 33.5 -0.3 <A <A <A 34.9 34.9 0.031 PARUNW31 1 6 5807 <A <A <A 33.6 33.5 -0.1 <A <A <A 34.8 34.9 0.131 PARUNW31 2 2 5455.8 <A <A <A 34.5 34.6 0.1 <A <A <A 35.9 36.0 0.131 PARUNW31 2 3 5242.2 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.031 PARUNW31 2 4 5200 <A <A <A 33.5 33.4 0.0 <A <A <A 34.9 34.9 0.031 PARUNW31 2 5 5404.2 <A <A <A 33.4 33.3 -0.1 <A <A <A 34.7 34.7 0.031 PARUNW31 2 6 6153.9 <A <A <A 33.5 33.4 -0.1 <A <A <A 34.7 34.8 0.031 PARUNW31 3 1 6036.9 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.031 PARUNW31 3 2 5568.5 <A <A <A 34.6 34.8 0.3 <A <A <A 36.0 36.2 0.231 PARUNW31 3 3 5228.6 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.7 0.031 PARUNW31 3 4 5219.4 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.0 0.031 PARUNW31 3 5 5997 <A <A <A 33.3 33.3 -0.1 <A <A <A 34.7 34.7 0.031 PARUNW31 3 6 5970 <A <A <A 33.4 33.2 -0.2 <A <A <A 34.6 34.6 0.031 PARUNW31 3 7 6368.8 <A <A <A 33.4 33.4 0.0 <A <A <A 34.7 34.8 0.131 PARUNW31 4 1 6398.3 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.031 PARUNW31 4 2 5592.2 <A <A <A 34.7 35.0 0.3 <A <A <A 36.2 36.4 0.231 PARUNW31 4 3 5601 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.031 PARUNW31 4 4 5222.3 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.031 PARUNW31 4 5 5347.6 <A <A <A 33.3 33.3 0.0 <A <A <A 34.7 34.7 0.031 PARUNW31 4 6 5797.3 <A <A <A 33.1 33.0 0.0 <A <A <A 34.4 34.5 0.031 PARUNW31 4 7 6050 <A <A <A 33.3 33.1 -0.2 <A <A <A 34.4 34.4 0.131 PARUNW31 5 1 6397 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.031 PARUNW31 5 2 5997 <A <A <A 34.8 34.9 0.1 <A <A <A 36.2 36.4 0.131 PARUNW31 5 3 5638.2 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 36.0 0.031 PARUNW31 5 4 5006 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.031 PARUNW31 5 5 5704.9 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.031 PARUNW31 5 6 5655.6 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.031 PARUNW31 6 2 5819.5 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.1 0.031 PARUNW31 6 3 5602.9 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.031 PARUNW31 6 4 5390.3 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.031 PARUNW31 7 3 5453.5 <A <A <A 34.4 34.5 0.1 <A <A <A 35.9 36.0 0.1
Pine Valley Mountain Wilderness10 PINEV10 1 1 7198 <A <A <A 30.6 30.6 0.0 <A <A <A 32.1 32.1 0.010 PINEV10 1 2 6998 <A <A <A 30.7 30.8 0.0 <A <A <A 32.2 32.2 0.010 PINEV10 2 1 8599.8 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.6 -0.110 PINEV10 2 2 7211.8 <A <A <A 30.5 30.5 0.0 <A <A <A 31.9 31.9 0.010 PINEV10 2 3 7354.5 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.010 PINEV10 3 1 8850.5 <A <A <A 30.1 30.1 -0.1 <A <A <A 31.6 31.5 -0.110 PINEV10 3 2 8548.3 <A <A <A 30.3 30.2 0.0 <A <A <A 31.7 31.7 0.010 PINEV10 3 3 8588.5 <A <A <A 30.7 30.8 0.0 <A <A <A 32.2 32.2 0.010 PINEV10 4 1 9492.9 <A <A <A 30.6 30.6 0.1 <A <A <A 32.0 32.0 0.010 PINEV10 4 2 8341.2 <A <A <A 30.6 30.6 0.1 <A <A <A 32.0 32.1 0.010 PINEV10 4 3 7798 <A <A <A 30.9 30.9 0.0 <A <A <A 32.3 32.4 0.010 PINEV10 4 4 7846.9 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.9 0.010 PINEV10 5 1 6918.6 <A <A <A 30.9 30.9 0.1 <A <A <A 32.3 32.3 0.010 PINEV10 5 2 8260.6 <A <A <A 31.3 31.4 0.1 <A <A <A 32.7 32.8 0.110 PINEV10 5 3 6493.5 <A <A <A 30.8 30.9 0.1 <A <A <A 32.3 32.3 0.110 PINEV10 5 4 6341.3 <A <A <A 31.0 31.1 0.1 <A <A <A 32.4 32.5 0.17 PINEV7 2 2 6953.9 <A <A <A 31.6 31.2 -0.4 <A <A <A 32.9 32.5 -0.37 PINEV7 3 1 6219.5 <A <A <A 30.6 30.5 -0.1 <A <A <A 31.9 31.8 -0.17 PINEV7 3 2 7407.1 <A <A <A 30.7 30.6 -0.2 <A <A <A 32.0 31.9 -0.27 PINEV7 4 1 5797 <A <A <A 30.5 30.1 -0.3 <A <A <A 31.8 31.5 -0.37 PINEV7 4 2 8124.8 <A <A <A 30.7 30.2 -0.6 <A <A <A 32.0 31.5 -0.57 PINEV7 5 2 6388.2 <A <A <A 30.2 30.0 -0.2 <A <A <A 31.6 31.4 -0.28 PINEV8 1 3 7145.6 <A <A <A 32.2 31.6 -0.5 <A <A <A 33.5 33.1 -0.48 PINEV8 2 1 6953.6 <A <A <A 31.6 31.2 -0.4 <A <A <A 32.9 32.5 -0.38 PINEV8 2 2 7456.5 <A <A <A 31.7 31.2 -0.5 <A <A <A 33.0 32.6 -0.48 PINEV8 2 3 9192.8 <A <A <A 32.0 31.3 -0.6 <A <A <A 33.3 32.8 -0.58 PINEV8 3 1 7404.5 <A <A <A 30.7 30.6 -0.2 <A <A <A 32.0 31.9 -0.2
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
8 PINEV8 3 2 9040.6 <A <A <A 31.4 31.0 -0.4 <A <A <A 32.7 32.3 -0.48 PINEV8 3 3 7507.6 <A <A <A 31.0 30.8 -0.2 <A <A <A 32.4 32.2 -0.28 PINEV8 4 1 8123.1 <A <A <A 30.7 30.2 -0.6 <A <A <A 32.0 31.5 -0.58 PINEV8 4 2 10178.7 <A <A <A 30.7 30.5 -0.2 <A <A <A 32.0 31.8 -0.28 PINEV8 4 3 7687 <A <A <A 30.3 30.4 0.0 <A <A <A 31.8 31.7 0.08 PINEV8 5 1 6387.2 <A <A <A 30.2 30.0 -0.2 <A <A <A 31.6 31.4 -0.28 PINEV8 5 2 9413.8 <A <A <A 30.9 30.1 -0.7 <A <A <A 32.2 31.5 -0.88 PINEV8 5 3 7841.1 <A <A <A 30.0 30.0 0.0 <A <A <A 31.4 31.3 -0.18 PINEV8 6 2 7376.3 <A <A <A 30.2 30.4 0.2 <A <A <A 31.6 31.7 0.18 PINEV8 6 3 9458.6 <A <A <A 30.2 30.2 0.0 <A <A <A 31.6 31.5 -0.18 PINEV8 7 2 6607.9 <A <A <A 30.6 30.8 0.2 <A <A <A 32.0 32.1 0.18 PINEV8 7 3 7913 <A <A <A 30.3 30.5 0.2 <A <A <A 31.8 31.8 0.18 PINEV8 8 3 5989.4 <A <A <A 30.8 30.8 0.0 <A <A <A 32.2 32.3 0.09 PINEV9 1 1 7141.8 <A <A <A 32.2 31.6 -0.5 <A <A <A 33.5 33.1 -0.49 PINEV9 2 1 9192.9 <A <A <A 32.0 31.3 -0.6 <A <A <A 33.3 32.8 -0.59 PINEV9 3 1 7511.2 <A <A <A 31.0 30.8 -0.2 <A <A <A 32.4 32.2 -0.29 PINEV9 4 1 7691.4 <A <A <A 30.3 30.4 0.0 <A <A <A 31.8 31.7 0.09 PINEV9 4 3 7190.9 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.09 PINEV9 5 1 7847.6 <A <A <A 30.0 30.0 0.0 <A <A <A 31.4 31.3 -0.19 PINEV9 5 2 8330 <A <A <A 30.1 30.1 0.0 <A <A <A 31.6 31.5 -0.19 PINEV9 5 3 8559.4 <A <A <A 30.4 30.4 0.0 <A <A <A 31.8 31.8 0.09 PINEV9 6 1 9454.1 <A <A <A 30.2 30.2 0.0 <A <A <A 31.6 31.5 -0.19 PINEV9 6 2 9196.1 <A <A <A 30.1 30.1 0.0 <A <A <A 31.5 31.4 -0.19 PINEV9 6 3 9184.3 <A <A <A 30.2 30.1 -0.1 <A <A <A 31.6 31.5 -0.19 PINEV9 7 1 7920.1 <A <A <A 30.3 30.5 0.2 <A <A <A 31.8 31.8 0.19 PINEV9 7 2 8100.3 <A <A <A 30.3 30.4 0.1 <A <A <A 31.7 31.7 0.09 PINEV9 7 3 9689.4 <A <A <A 30.5 30.6 0.1 <A <A <A 31.9 31.9 0.0
Pipe Spring NM17 KAIBAB17 3 2 4844.7 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.017 KAIBAB17 3 3 4987.1 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.017 KAIBAB17 4 2 4825.3 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.017 KAIBAB17 4 3 5095.9 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.0
Quail Creek SP38 COTTON38 6 1 3159 <A 30.2 1.1 33.7 34.0 0.3 <A 30.2 1.1 34.8 35.1 0.338 COTTON38 6 2 3198 30.4 <A -1.3 34.1 33.5 -0.5 30.6 <A -1.5 35.0 34.6 -0.4
Red Butte WSA13 ZION13 3 1 6096.9 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.2 0.0
Red Mountain WSA39 REDMTN39 1 2 3402.7 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.5 0.039 REDMTN39 1 3 5399.3 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.039 REDMTN39 2 1 3149.7 <A <A <A 31.2 31.1 -0.1 <A <A <A 32.6 32.6 -0.139 REDMTN39 2 2 3580.6 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.039 REDMTN39 2 3 5064.5 <A <A <A 32.0 32.0 0.0 <A <A <A 33.4 33.4 0.040 REDMTN40 1 2 3595 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.040 REDMTN40 1 3 3795 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.040 REDMTN40 1 1 3788.2 <A <A <A 34.8 34.7 0.0 <A <A <A 36.2 36.2 0.040 REDMTN40 2 2 4785.8 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.040 REDMTN40 2 3 3958.2 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.040 REDMTN40 2 1 5122.5 <A <A <A 33.5 33.5 0.0 <A <A <A 34.9 34.9 0.040 REDMTN40 3 1 5399 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.040 REDMTN40 3 2 4596.9 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.040 REDMTN40 3 3 4322.8 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.040 REDMTN40 4 1 5063.3 <A <A <A 32.0 32.0 0.0 <A <A <A 33.4 33.4 0.040 REDMTN40 4 2 4879 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.040 REDMTN40 4 3 4739.7 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.06 SNOWCAN6 1 2 3189.9 <A <A <A 31.3 31.2 -0.1 <A <A <A 32.7 32.7 0.06 SNOWCAN6 1 3 3476.9 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.06 SNOWCAN6 1 4 5007.4 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.06 SNOWCAN6 1 5 4830.6 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.06 SNOWCAN6 1 6 4710.9 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.06 SNOWCAN6 2 2 3250.3 <A <A <A 31.0 30.9 -0.1 <A <A <A 32.4 32.4 0.06 SNOWCAN6 2 3 3795.2 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.06 SNOWCAN6 2 4 3594.7 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.06 SNOWCAN6 2 5 5000 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.06 SNOWCAN6 2 6 4763 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.0
Snow Canyon SP6 SNOWCAN6 2 2 3250.3 <A <A <A 31.0 30.9 -0.1 <A <A <A 32.4 32.4 0.06 SNOWCAN6 2 3 3795.2 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.06 SNOWCAN6 2 4 3594.7 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.06 SNOWCAN6 2 5 5000 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.06 SNOWCAN6 3 1 3007.9 <A <A <A 31.2 30.8 -0.4 <A <A <A 32.6 32.3 -0.36 SNOWCAN6 3 2 3586.5 <A <A <A 31.1 30.9 -0.1 <A <A <A 32.5 32.4 -0.16 SNOWCAN6 3 3 3821.7 <A <A <A 31.1 31.0 -0.1 <A <A <A 32.6 32.5 -0.16 SNOWCAN6 3 4 4386.2 <A <A <A 31.3 31.1 -0.1 <A <A <A 32.7 32.6 -0.16 SNOWCAN6 3 5 4592.5 <A <A <A 31.5 31.4 -0.1 <A <A <A 32.9 32.8 -0.1
Spring Creek Canyon WSA37 SORING37 1 1 5330.9 <A <A <A 34.0 34.0 0.0 <A <A <A 35.1 35.2 0.037 SORING37 2 1 6363.5 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.9 0.037 SORING37 2 2 5579.1 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.037 SORING37 2 3 5495 <A <A <A 32.5 32.5 0.0 <A <A <A 33.7 33.8 0.037 SORING37 3 1 6822.6 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.037 SORING37 3 2 6736.3 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.037 SORING37 3 3 6198 <A <A <A 31.1 31.1 0.0 <A <A <A 32.5 32.6 0.037 SORING37 4 2 7179 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.037 SORING37 4 3 7809.7 <A <A <A 31.0 31.0 0.0 <A <A <A 32.5 32.5 0.0
Taylor Creek WSA13 ZION13 3 4 7607.6 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.0
Table B.23Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(day) - 2010/2020 none none
none none
Legend< +5.0 dBA
+5.1 to 10.0 dBA> +10.0 dBA
> -5.0 dBA-5.1 to -10.0 dBA
< -10.0 dBA
2020 Leq (day)Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change with Project
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only2010 Leq (day)
Cumulative Noise
Replacement Airport
Existing Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Existing Ariport
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Tunnel Spring WSA43 TUNEL43 1 1 5597 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 1 2 5959.1 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 2 5894.7 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 3 6167.2 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 2 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 3 6181 <A <A <A <A <A <A <A <A <A <A <A <A
The Watchman WSA11 ZION11 1 2 3999.0 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.011 ZION11 1 3 4546.2 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.0
Little Balck Mountain Petroglyph Site18 NEWGRID5 1 1 2941.0 <A 31.9 2.8 34.2 36.1 1.9 <A 33.0 3.9 35.6 37.0 1.4
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Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
Ashdown Gorge Wilderness15 ASHDWN15 1 2 7693.2 <A <A <A 29.5 29.5 0.0 <A <A <A 30.9 30.9 0.015 ASHDWN15 1 3 7970.2 <A <A <A 29.6 29.6 0.0 <A <A <A 30.9 30.9 0.015 ASHDWN15 2 1 8609.8 <A <A <A <A <A <A <A <A <A 30.1 30.1 0.015 ASHDWN15 2 2 8598.5 <A <A <A <A <A <A <A <A <A 30.2 30.2 0.015 ASHDWN15 2 3 7995.3 <A <A <A <A <A <A <A <A <A 30.2 30.2 0.015 ASHDWN15 2 4 9309.7 <A <A <A <A <A <A <A <A <A 30.5 30.5 0.015 ASHDWN15 2 5 8956.9 <A <A <A <A <A <A <A <A <A 30.3 30.3 0.015 ASHDWN15 3 1 10214.6 <A <A <A <A <A <A <A <A <A 29.5 29.6 0.015 ASHDWN15 3 2 8805.8 <A <A <A <A <A <A <A <A <A 30.7 29.4 -1.315 ASHDWN15 3 3 8735.3 <A <A <A <A <A <A <A <A <A 29.7 29.7 0.015 ASHDWN15 3 4 8906.4 <A <A <A <A <A <A <A <A <A 30.0 30.0 0.015 ASHDWN15 3 5 9907.3 <A <A <A <A <A <A <A <A <A 30.3 30.3 0.015 ASHDWN15 4 1 10301.8 <A <A <A <A <A <A <A <A <A 29.5 29.5 0.015 ASHDWN15 4 2 9417.9 <A <A <A <A <A <A <A <A <A 29.3 29.3 0.015 ASHDWN15 4 3 9530.9 <A <A <A <A <A <A <A <A <A 29.3 29.3 0.015 ASHDWN15 4 4 10544.6 <A <A <A <A <A <A <A <A <A 29.8 29.8 0.0
Beartrap Canyon WSA19 ZION19 2 2 7373.5 <A <A <A 29.6 29.6 0.0 <A <A <A 31.0 31.0 0.0
Beaver Dam Mountains Wilderness4 BEAVER4 2 3 3134.8 <A <A <A 34.2 34.0 -0.2 <A <A <A 35.4 35.3 -0.14 BEAVER4 2 4 3258.3 <A <A <A 33.8 33.6 -0.1 <A <A <A 35.1 35.0 -0.14 BEAVER4 2 5 2801.4 <A <A <A 33.3 33.2 -0.1 <A <A <A 34.7 34.6 -0.14 BEAVER4 2 6 3938.5 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.3 0.04 BEAVER4 3 4 3132.2 <A <A <A 33.9 33.8 -0.1 <A <A <A 35.3 35.2 -0.14 BEAVER4 3 5 3254.4 <A <A <A 33.6 33.5 -0.1 <A <A <A 34.9 34.9 -0.14 BEAVER4 3 6 4396.5 <A <A <A 33.1 33.0 -0.1 <A <A <A 34.5 34.4 -0.14 BEAVER4 3 7 5103.1 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.04 BEAVER4 4 4 2398 <A <A <A 34.2 34.1 -0.1 <A <A <A 35.4 35.3 -0.14 BEAVER4 4 3 3274.9 <A <A <A 34.5 34.3 -0.2 <A <A <A 35.7 35.5 -0.24 BEAVER4 4 5 3257.6 <A <A <A 33.7 33.6 -0.1 <A <A <A 35.0 34.9 -0.14 BEAVER4 4 6 3919.1 <A <A <A 33.3 33.1 -0.2 <A <A <A 34.6 34.5 -0.14 BEAVER4 4 7 4461.6 <A <A <A 32.2 32.1 -0.1 <A <A <A 33.6 33.6 0.04 BEAVER4 5 5 2837.2 <A <A <A 33.8 33.6 -0.2 <A <A <A 35.0 34.9 -0.14 BEAVER4 5 6 4584.3 <A <A <A 33.0 32.6 -0.4 <A <A <A 34.2 33.9 -0.34 BEAVER4 6 4 3728.6 <A <A <A 34.4 34.3 -0.1 29.1 <A 0.0 35.5 35.5 0.04 BEAVER4 6 5 2597.5 29.4 <A -0.3 33.8 33.3 -0.5 29.6 <A -0.5 34.8 34.4 -0.44 BEAVER4 7 6 3290.5 29.8 <A -0.7 33.2 32.1 -1.1 30.0 <A -0.9 34.2 33.2 -0.94 BEAVER4 7 7 3079.7 <A <A <A 31.7 30.4 -1.3 <A <A <A 32.7 31.7 -1.04 BEAVER4 8 6 2743.3 30.7 <A -1.6 33.9 33.1 -0.7 30.9 29.2 -1.7 34.8 34.2 -0.64 BEAVER4 8 7 2616.9 30.1 <A -1.0 33.2 31.2 -2.0 30.3 <A -1.2 34.1 32.4 -1.7
Beaver Dam SP42 COUGAR42 2 1 5620.1 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 2 2 5201.3 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 2 3 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 3 1 5180.1 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A
Canaan Mountain WSA30 CANAAN30 1 5 4888.8 <A <A <A 31.7 31.5 -0.2 <A <A <A 32.9 33.0 0.130 CANAAN30 1 6 4703.4 <A <A <A 31.5 31.5 0.1 <A <A <A 33.0 33.0 0.030 CANAAN30 2 3 5047.6 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.030 CANAAN30 2 4 5040.5 <A <A <A 31.6 31.6 0.0 <A <A <A 32.9 32.9 0.030 CANAAN30 2 5 5323.3 <A <A <A 31.7 31.5 -0.2 <A <A <A 32.9 32.8 -0.130 CANAAN30 2 6 4411.6 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.8 0.030 CANAAN30 3 2 4928.7 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.6 0.030 CANAAN30 3 3 5434.1 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.030 CANAAN30 3 4 6437.4 <A <A <A 32.1 32.0 -0.1 <A <A <A 33.4 33.2 -0.230 CANAAN30 3 5 4524.1 <A <A <A 31.5 31.5 -0.1 <A <A <A 32.8 32.8 0.030 CANAAN30 3 6 4403.4 <A <A <A 31.6 31.5 -0.1 <A <A <A 32.9 32.9 0.030 CANAAN30 4 2 5093.8 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.030 CANAAN30 4 3 5583 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.030 CANAAN30 4 4 6652.5 <A <A <A 33.5 33.2 -0.4 <A <A <A 34.5 33.9 -0.630 CANAAN30 4 5 6387.2 <A <A <A 31.7 31.8 0.1 <A <A <A 33.1 33.2 0.130 CANAAN30 4 6 5178.6 <A <A <A 31.9 31.7 -0.1 <A <A <A 33.1 33.1 0.030 CANAAN30 5 1 5197 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.030 CANAAN30 5 2 6206.6 <A <A <A 33.1 33.1 0.0 <A <A <A 34.5 34.5 0.030 CANAAN30 5 3 6988 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.030 CANAAN30 5 4 6232.9 <A <A <A 32.9 32.7 -0.2 <A <A <A 34.1 33.7 -0.430 CANAAN30 5 5 4571.5 <A <A <A 31.6 31.8 0.1 <A <A <A 33.0 33.1 0.130 CANAAN30 5 6 4213.2 <A <A <A 31.5 31.4 0.0 <A <A <A 32.8 32.8 0.030 CANAAN30 6 1 5195.1 <A <A <A 33.3 33.3 0.0 <A <A <A 34.7 34.7 0.030 CANAAN30 6 2 5425.8 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.030 CANAAN30 6 3 6409.2 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.2 0.030 CANAAN30 6 4 6440.6 <A <A <A 32.6 32.5 -0.1 <A <A <A 33.9 33.8 -0.130 CANAAN30 6 5 6385.3 <A <A <A 31.7 32.5 0.9 <A <A <A 33.1 33.8 0.730 CANAAN30 6 6 5616 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.8 0.0
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
30 CANAAN30 7 1 6593.4 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.030 CANAAN30 7 2 5988.2 <A <A <A 33.1 33.1 0.0 <A <A <A 34.5 34.5 0.030 CANAAN30 7 3 5463.8 <A <A <A 33.0 33.0 -0.1 <A <A <A 34.4 34.3 -0.130 CANAAN30 7 4 6189.3 <A <A <A 32.8 32.7 -0.1 <A <A <A 34.1 34.0 -0.130 CANAAN30 7 5 5998.2 <A <A <A 31.9 32.2 0.3 <A <A <A 33.3 33.5 0.230 CANAAN30 7 6 5581.6 <A <A <A 31.6 31.6 0.1 <A <A <A 33.0 33.0 0.030 CANAAN30 8 1 5651.5 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.030 CANAAN30 8 2 6326.6 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.030 CANAAN30 8 3 6088.7 <A <A <A 33.7 33.6 -0.2 <A <A <A 35.0 35.5 0.530 CANAAN30 8 6 5677.9 <A <A <A 32.0 32.0 0.1 <A <A <A 33.4 33.5 0.030 CANAAN30 9 1 5449.9 <A <A <A 32.7 32.7 0.0 <A <A <A 34.1 34.1 0.030 CANAAN30 9 2 6210.6 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.030 CANAAN30 9 3 6141.4 <A <A <A 33.7 33.6 -0.1 <A <A <A 35.1 34.8 -0.2
Cedar Breaks National Monument15 ASHDWN15 3 2 8805.8 <A <A <A <A <A <A <A <A <A 30.7 29.4 -1.315 ASHDWN15 3 3 8735.3 <A <A <A <A <A <A <A <A <A 29.7 29.7 0.015 ASHDWN15 4 2 9417.9 <A <A <A <A <A <A <A <A <A 29.3 29.3 0.015 ASHDWN15 4 3 9530.9 <A <A <A <A <A <A <A <A <A 29.3 29.3 0.0
Clover Mountains WSA44 CLOVER44 1 2 4795.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 3 4399 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 4 4789.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 5 5442.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 6 4754.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 7 5811.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 2 5607.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 3 5297.2 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 4 5259.6 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 5 5791.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 6 5266.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 7 6190.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 1 5756.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 2 5000 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 3 5397.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 4 6426.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 5 5784 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 6 6401.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 7 6386.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 3 5316.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 4 6018.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 5 6397 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 6 6528.2 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 7 6069.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 3 4912.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 4 5395.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 5 7027.6 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 6 6577.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 4 5374.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 5 5897.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 6 6769.2 <A <A <A <A <A <A <A <A <A <A <A <A
Coral Pink Sand Dunes SP29 MOQMTN29 1 2 5983.1 <A <A <A 31.6 31.5 -0.1 <A <A <A 32.9 32.7 -0.229 MOQMTN29 1 3 6230.9 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.0
Cottonwood Point Wilderness16 COTTON16 1 2 4991 <A <A <A 33.1 33.2 0.0 <A <A <A 34.6 34.6 0.016 COTTON16 2 1 5160.6 <A <A <A 32.8 32.8 0.1 <A <A <A 34.2 34.7 0.516 COTTON16 2 2 6397 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.016 COTTON16 3 1 5200 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.8 -0.116 COTTON16 3 2 5381.9 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.016 COTTON16 4 1 5442.3 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.4 -0.116 COTTON16 4 2 5801.6 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.9 0.0
Cottonwood WSA38 COTTON38 1 1 3969.5 <A <A <A 30.4 30.0 -0.5 <A <A <A 31.6 31.2 -0.438 COTTON38 1 2 4742.4 <A <A <A 29.7 29.8 0.2 <A <A <A 30.9 31.0 0.138 COTTON38 2 1 3361.1 <A <A <A 30.9 30.6 -0.3 <A <A <A 32.0 31.7 -0.338 COTTON38 2 2 3937.7 <A <A <A 29.5 30.0 0.5 <A <A <A 30.8 31.2 0.438 COTTON38 2 3 4211.3 <A <A <A <A 29.4 0.3 <A <A <A 30.3 30.6 0.338 COTTON38 3 1 3795 <A <A <A 31.5 30.8 -0.7 <A <A <A 32.5 31.9 -0.638 COTTON38 3 2 4227.3 <A <A <A 29.8 29.8 0.0 <A <A <A 31.1 31.0 -0.138 COTTON38 3 3 4596 <A <A <A 29.2 29.3 0.1 <A <A <A 30.5 30.5 0.038 COTTON38 4 1 3512.2 30.0 <A -0.9 32.8 31.4 -1.3 30.2 <A -1.1 33.6 32.5 -1.138 COTTON38 4 2 3898.4 <A <A <A 30.4 30.2 -0.1 <A <A <A 31.6 31.4 -0.238 COTTON38 4 3 4426.9 <A <A <A 29.5 29.5 0.0 <A <A <A 30.8 30.8 0.038 COTTON38 5 1 3399 30.7 29.2 -1.5 33.3 32.6 -0.8 30.9 29.4 -1.5 34.2 33.5 -0.738 COTTON38 5 2 3794 <A <A <A 31.5 30.9 -0.5 <A <A <A 32.5 32.1 -0.538 COTTON38 5 3 4241.4 <A <A <A 30.0 30.1 0.1 <A <A <A 31.3 31.4 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
38 COTTON38 6 3 3415.9 <A <A <A 30.8 30.4 -0.4 <A <A <A 32.0 31.7 -0.4Cougar Canyon WSA
41 COUGAR41 2 2 4859.5 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 2 3 5169.8 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 1 4945.5 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 2 5425.9 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 3 6056 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 4 1 5019.2 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 4 2 5962.2 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 4 3 6266.4 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 5 2 5822.7 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 5 3 6674.1 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 3 2 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 3 3 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 4 1 6079.1 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 4 2 5597 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 5 1 6256.9 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 5 2 6390.3 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 6 1 6710.8 <A <A <A <A <A <A <A <A <A <A <A <A
Deep Creek WSA35 DEEPCK35 1 1 6398.3 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.035 DEEPCK35 2 1 6261.1 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.035 DEEPCK35 2 2 6500.4 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.035 DEEPCK35 3 1 6397 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.035 DEEPCK35 3 2 6412.4 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.036 DEEPCK6 2 1 6505.1 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.036 DEEPCK6 2 2 7457.4 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.036 DEEPCK6 3 1 6405.7 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.036 DEEPCK6 3 2 6553.5 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.0
Gateway Corridor 2222 SOUTH22 1 1 5286.6 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.022 SOUTH22 1 2 5160.6 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.022 SOUTH22 2 1 5402.5 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.022 SOUTH22 2 2 5197.8 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.022 SOUTH22 3 1 5792.1 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.022 SOUTH22 3 2 6364.5 <A <A <A 33.5 33.5 0.0 <A <A <A 34.9 34.9 0.022 SOUTH22 4 1 6227.8 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.7 0.022 SOUTH22 4 2 6124.3 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.022 SOUTH22 5 1 6186.5 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.022 SOUTH22 5 2 6062 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.022 SOUTH22 6 1 6242.9 <A <A <A 30.0 30.0 0.0 <A <A <A 31.4 31.4 0.022 SOUTH22 6 2 6143.3 <A <A <A 30.6 30.6 0.0 <A <A <A 32.0 32.0 0.022 SOUTH22 7 1 6429.7 <A <A <A 29.5 29.5 0.0 <A <A <A 30.9 30.9 0.022 SOUTH22 7 2 6426 <A <A <A 30.0 30.0 0.0 <A <A <A 31.5 31.5 0.0
Gateway Corridor 2323 SOUTH23 1 1 6432.2 <A <A <A 29.5 29.5 0.0 <A <A <A 30.9 30.9 0.023 SOUTH23 1 2 6469.9 <A <A <A 30.0 30.0 0.0 <A <A <A 31.5 31.5 0.023 SOUTH23 1 3 6742.8 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.023 SOUTH23 2 3 6281.3 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.023 SOUTH23 2 1 6409.6 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.023 SOUTH23 2 2 6288.1 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.023 SOUTH23 3 1 5834.5 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.023 SOUTH23 3 2 6009.7 <A <A <A 29.5 29.5 0.0 <A <A <A 30.9 30.9 0.023 SOUTH23 3 3 6009 <A <A <A 30.1 30.1 0.0 <A <A <A 31.5 31.5 0.023 SOUTH23 4 1 5618.6 <A <A <A 29.6 29.6 0.0 <A <A <A 31.0 31.0 0.023 SOUTH23 4 2 5789.1 <A <A <A 29.8 29.8 0.0 <A <A <A 31.3 31.3 0.023 SOUTH23 4 3 5907 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.023 SOUTH23 5 1 5863.9 <A <A <A 29.9 29.9 0.0 <A <A <A 31.4 31.4 0.023 SOUTH23 5 2 5689.7 <A <A <A 30.0 30.0 0.0 <A <A <A 31.4 31.4 0.023 SOUTH23 5 3 5759.3 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.023 SOUTH23 6 1 5990.4 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.023 SOUTH23 6 2 6149.5 <A <A <A 29.9 29.9 0.0 <A <A <A 31.4 31.4 0.023 SOUTH23 6 3 6047 <A <A <A 30.0 30.0 0.0 <A <A <A 31.5 31.5 0.0
Gateway Corridor 2424 SOUTH24 1 1 5997.9 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.024 SOUTH24 1 2 6139.6 <A <A <A 29.9 29.9 0.0 <A <A <A 31.3 31.3 0.024 SOUTH24 2 1 5986.8 <A <A <A 29.4 29.4 0.0 <A <A <A 30.9 30.9 0.024 SOUTH24 2 2 5890.8 <A <A <A 29.5 29.5 0.0 <A <A <A 30.9 30.9 0.024 SOUTH24 3 1 5854.7 <A <A <A 29.3 29.3 0.0 <A <A <A 30.8 30.8 0.024 SOUTH24 3 2 5800 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.024 SOUTH24 4 1 5800 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.024 SOUTH24 4 2 5800 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.024 SOUTH24 5 1 5800 <A <A <A 30.0 30.0 0.0 <A <A <A 31.5 31.5 0.024 SOUTH24 5 2 5741.8 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.024 SOUTH24 6 1 5742.5 <A <A <A 30.6 30.6 0.0 <A <A <A 32.1 32.1 0.024 SOUTH24 6 2 5600 <A <A <A 30.1 30.1 0.0 <A <A <A 31.6 31.6 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
24 SOUTH24 7 1 5594.6 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.024 SOUTH24 7 2 5400 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.024 SOUTH24 8 1 5497.8 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.024 SOUTH24 8 2 5400 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.024 SOUTH24 9 1 5600 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.024 SOUTH24 9 2 5470.5 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.024 SOUTH24 10 1 5698 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.2 0.024 SOUTH24 10 2 5607 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.024 SOUTH24 11 1 5800 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.024 SOUTH24 11 2 5698 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.0
Gateway Corridor 3232 EAST32 1 1 6051.3 <A <A <A 32.5 32.2 -0.2 <A <A <A 33.8 33.6 -0.232 EAST32 1 2 6197 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.8 0.032 EAST32 1 3 5827.6 <A <A <A 32.5 32.9 0.4 <A <A <A 34.0 34.3 0.332 EAST32 1 4 5908.9 <A <A <A 32.7 32.7 0.0 <A <A <A 34.1 34.1 0.032 EAST32 1 5 5809.4 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.7 0.032 EAST32 1 6 5458.6 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.032 EAST32 1 7 5451.6 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.032 EAST32 1 8 5721.7 <A <A <A 31.2 31.1 -0.1 <A <A <A 32.5 32.5 0.032 EAST32 1 9 6074.9 <A <A <A 31.8 31.7 0.0 <A <A <A 32.9 33.0 0.132 EAST32 2 1 5939.9 <A <A <A 32.2 31.9 -0.3 <A <A <A 33.5 33.2 -0.332 EAST32 2 2 6028.3 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.032 EAST32 2 3 6119.4 <A <A <A 32.5 32.8 0.3 <A <A <A 33.9 34.2 0.232 EAST32 2 4 6152.3 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.032 EAST32 2 5 6703.7 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.032 EAST32 2 6 6367.6 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.032 EAST32 2 7 6797 <A <A <A 32.1 32.0 -0.1 <A <A <A 33.4 33.4 0.032 EAST32 2 8 5976 <A <A <A 31.5 31.5 -0.1 <A <A <A 32.9 32.9 0.032 EAST32 2 9 6091.7 <A <A <A 31.6 31.6 0.0 <A <A <A 32.9 33.0 0.1
Gateway Corridor 3333 EAST33 1 1 7465.1 <A <A <A 30.4 30.6 0.1 <A <A <A 31.9 31.9 0.133 EAST33 1 2 8147.6 <A <A <A 30.4 30.4 0.1 <A <A <A 32.5 31.8 -0.733 EAST33 1 3 8007.7 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.033 EAST33 1 4 8398 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.033 EAST33 1 5 8245.5 <A <A <A 32.0 32.1 0.1 <A <A <A 33.6 33.6 0.033 EAST33 1 6 8408 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.033 EAST33 1 7 8407.2 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.033 EAST33 1 8 8578 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.033 EAST33 2 1 7197.9 <A <A <A 30.8 30.8 0.0 <A <A <A 32.1 32.2 0.033 EAST33 2 2 7549 <A <A <A 30.4 30.9 0.5 <A <A <A 32.0 32.3 0.333 EAST33 2 3 7985.6 <A <A <A 30.6 30.7 0.0 <A <A <A 32.1 32.1 0.033 EAST33 2 4 7798 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.033 EAST33 2 5 8058.2 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.033 EAST33 2 6 8217.5 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.033 EAST33 2 7 8334.8 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.033 EAST33 2 8 8197.9 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.0
Goose Creek WSA12 ZION12 5 9 6135.4 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.0
Grand Canyon-Parashant NM2 PAIUTEW2 2 2 5195 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.8 0.02 PAIUTEW2 2 3 5835 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.8 0.02 PAIUTEW2 3 2 5396 <A <A <A 34.3 34.4 0.0 <A <A <A 35.8 35.8 0.02 PAIUTEW2 3 3 5820 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.9 0.02 PAIUTEW2 7 2 4839.5 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.02 PAIUTEW2 8 2 4991.9 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.2 0.0
23 SOUTH23 2 1 6409.6 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.023 SOUTH23 2 2 6288.1 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.023 SOUTH23 3 1 5834.5 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.023 SOUTH23 3 2 6009.7 <A <A <A 29.5 29.5 0.0 <A <A <A 30.9 30.9 0.023 SOUTH23 3 3 6009 <A <A <A 30.1 30.1 0.0 <A <A <A 31.5 31.5 0.023 SOUTH23 4 1 5618.6 <A <A <A 29.6 29.6 0.0 <A <A <A 31.0 31.0 0.023 SOUTH23 4 2 5789.1 <A <A <A 29.8 29.8 0.0 <A <A <A 31.3 31.3 0.023 SOUTH23 4 3 5907 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.023 SOUTH23 5 1 5863.9 <A <A <A 29.9 29.9 0.0 <A <A <A 31.4 31.4 0.023 SOUTH23 5 2 5689.7 <A <A <A 30.0 30.0 0.0 <A <A <A 31.4 31.4 0.023 SOUTH23 5 3 5759.3 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.023 SOUTH23 6 3 6047 <A <A <A 30.0 30.0 0.0 <A <A <A 31.5 31.5 0.0
Grand Canyon-Parashant NM (West)2 PAIUTEW2 9 2 5196 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.9 0.02 PAIUTEW2 10 2 5348.1 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.0
21 PARASH21 1 1 2628.7 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.021 PARASH21 1 2 2960.4 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.021 PARASH21 1 3 4472.5 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.021 PARASH21 1 4 4388.9 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.021 PARASH21 2 1 2732.6 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.021 PARASH21 2 2 2991 <A <A <A 35.1 35.1 0.0 <A <A <A 36.5 36.5 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
21 PARASH21 2 3 3351.4 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.021 PARASH21 2 4 3609.1 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.021 PARASH21 3 1 3060.2 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.021 PARASH21 3 2 3352.3 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.021 PARASH21 3 3 3461.7 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.021 PARASH21 3 4 3337.6 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.021 PARASH21 4 1 2474.3 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.021 PARASH21 4 2 2850.8 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.021 PARASH21 4 3 3101.4 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.021 PARASH21 4 4 3308.9 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.021 PARASH21 5 1 2600.2 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 5 2 2779.8 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.021 PARASH21 5 3 2973 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.021 PARASH21 5 4 3118.8 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.021 PARASH21 6 1 2631.2 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 6 2 2734.1 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.021 PARASH21 6 3 3011.3 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.021 PARASH21 6 4 2970.1 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.021 PARASH21 7 1 2577.7 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 7 2 2674.4 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.021 PARASH21 7 3 2839.7 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.021 PARASH21 7 4 3019.5 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.021 PARASH21 8 1 2747.6 <A <A <A 36.5 36.5 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 8 2 2824 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 8 3 2999 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.021 PARASH21 8 4 2984.2 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.021 PARASH21 9 3 3117.6 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.021 PARASH21 9 4 2963.5 <A <A <A 35.5 35.5 0.0 <A <A <A 36.9 36.9 0.021 PARASH21 12 1 6466.1 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.021 PARASH21 12 2 6247.7 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.021 PARASH21 12 3 6143.4 <A <A <A 36.8 36.8 0.0 <A <A <A 38.3 38.3 0.021 PARASH21 12 4 4540.4 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 13 1 6257 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.021 PARASH21 13 2 5889.5 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 13 3 5761.2 <A <A <A 36.6 36.6 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 13 4 5584.5 <A <A <A 36.5 36.5 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 14 1 6256.5 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.021 PARASH21 14 2 5846.4 <A <A <A 36.0 36.0 0.0 <A <A <A 37.3 37.3 0.021 PARASH21 14 3 5059.4 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.021 PARASH21 14 4 5417.6 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 15 1 6040.8 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.021 PARASH21 15 2 5859.4 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.021 PARASH21 15 3 5757 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.021 PARASH21 15 4 6000.7 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 16 1 5759.9 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.021 PARASH21 16 2 5935 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.021 PARASH21 17 1 5943.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 1 1 4351.8 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 1 2 4534 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 1 3 5330.7 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 1 4 4885.1 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.1 0.01 PARSHAN1 1 5 5209.9 <A <A <A 34.4 34.4 0.1 <A <A <A 35.9 35.9 0.01 PARSHAN1 1 6 6450.7 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 2 1 3596.9 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.01 PARSHAN1 2 2 3869.4 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.01 PARSHAN1 2 3 3918.5 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 2 4 3979.3 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 2 5 4410 <A <A <A 34.3 34.4 0.0 <A <A <A 35.8 35.9 0.01 PARSHAN1 2 6 5176 <A <A <A 34.4 34.4 0.1 <A <A <A 35.8 35.8 0.01 PARSHAN1 2 9 2878.3 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 3 1 3327.5 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 3 2 3610.6 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 3 3 3800.1 <A <A <A 34.3 34.4 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 3 4 3933.7 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 3 5 4768.4 <A <A <A 34.3 34.4 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 3 6 4172.7 <A <A <A 34.2 34.3 0.1 <A <A <A 35.7 35.8 0.01 PARSHAN1 3 7 5373.8 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 3 8 4669.2 <A <A <A 34.3 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 4 1 3293.2 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 4 2 3542.1 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 4 3 3813.3 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 4 4 3801.2 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 4 5 4042.7 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 4 6 3905 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 4 7 4200.7 <A <A <A 34.2 34.3 0.1 <A <A <A 35.8 35.8 0.01 PARSHAN1 4 8 4380 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
1 PARSHAN1 4 9 4382.5 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 5 1 3106.5 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 5 2 3537.1 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 5 3 3775 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 5 4 3362.2 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.01 PARSHAN1 5 5 3891.1 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 5 6 3842.2 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 5 7 4211.7 <A <A <A 34.1 34.2 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 5 8 4196 <A <A <A 34.1 34.2 0.1 <A <A <A 35.7 35.7 0.01 PARSHAN1 5 9 4995.7 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 6 1 2973.5 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 6 2 3449.6 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 6 3 3656.8 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 6 4 3848.4 <A <A <A 33.8 33.8 0.0 <A <A <A 35.2 35.2 0.01 PARSHAN1 6 5 4255.6 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 6 6 4011.8 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.01 PARSHAN1 6 7 4404.7 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 6 8 4390.8 <A <A <A 34.1 34.2 0.1 <A <A <A 35.6 35.6 0.01 PARSHAN1 6 9 4802.3 <A <A <A 34.2 34.3 0.0 <A <A <A 35.8 35.7 0.01 PARSHAN1 7 7 4103.7 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 7 8 4327.8 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 7 1 3007.7 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 7 2 3325.9 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 7 3 3701.5 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 7 4 4027.7 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 7 5 4354.2 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 7 6 4506.2 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.01 PARSHAN1 7 9 4850.6 <A <A <A 34.2 34.3 0.1 <A <A <A 35.7 35.8 0.01 PARSHAN1 8 7 4306.7 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 8 1 2980.3 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 8 2 3378.5 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 8 3 3646 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.01 PARSHAN1 8 4 4079.2 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 8 5 4496.7 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.0 0.01 PARSHAN1 8 6 4803.4 <A <A <A 33.5 33.6 0.0 <A <A <A 35.0 35.0 0.01 PARSHAN1 8 9 5521.9 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 9 1 2972.6 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 9 2 3554.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 9 8 4488.5 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 9 3 3787.8 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 9 4 4206 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.01 PARSHAN1 9 5 4350.8 <A <A <A 33.5 33.5 0.0 <A <A <A 34.9 34.9 0.01 PARSHAN1 9 6 4511.1 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.01 PARSHAN1 9 7 5013 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.01 PARSHAN1 10 3 3841.1 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 10 4 4009.3 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.01 PARSHAN1 10 5 4240.7 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.01 PARSHAN1 10 6 4302.1 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.01 PARSHAN1 10 7 3949.4 <A <A <A 33.1 33.2 0.0 <A <A <A 34.6 34.6 0.01 PARSHAN1 10 8 4904.6 <A <A <A 33.3 33.3 0.0 <A <A <A 34.7 34.7 0.01 PARSHAN1 10 9 4389 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.01 PARSHAN1 11 3 4157.8 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 11 4 4908.6 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 11 5 4355.1 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 11 6 4738.8 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.01 PARSHAN1 11 7 4097.8 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.01 PARSHAN1 11 8 4186 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.01 PARSHAN1 11 9 4416 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.01 PARSHAN1 12 1 4518.7 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 12 2 4250.8 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 12 3 5561.7 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 12 4 5310.1 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.01 PARSHAN1 12 5 4635.5 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 12 6 5032.2 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.01 PARSHAN1 12 7 4210 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.01 PARSHAN1 12 8 4589.8 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.01 PARSHAN1 12 9 4960.5 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.01 PARSHAN1 13 1 5651.1 <A <A <A 36.5 36.5 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 13 2 5356 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 13 3 5477.9 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 13 4 5167.7 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.01 PARSHAN1 13 5 4741.7 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 13 6 4848.1 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.01 PARSHAN1 13 7 4832.9 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.01 PARSHAN1 13 8 5196 <A <A <A 32.7 32.7 0.0 <A <A <A 34.0 34.0 0.01 PARSHAN1 13 9 4996 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
1 PARSHAN1 14 1 5529 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 14 2 5251.7 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 14 3 5712.7 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 14 4 5617.4 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 14 5 5248.8 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 14 6 5363.8 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 14 7 5010.8 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.01 PARSHAN1 14 8 5118.6 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.01 PARSHAN1 14 9 5196 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.01 PARSHAN1 15 1 6002.1 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 15 2 5804 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 15 3 5756.5 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 15 4 5597.2 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 15 5 5331.2 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 15 6 5229.5 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 15 7 5206.6 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.01 PARSHAN1 15 8 5126.3 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.01 PARSHAN1 16 3 5599 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 16 4 5445.1 <A <A <A 35.3 35.3 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 16 5 5296.2 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 16 6 5308.2 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 16 7 5146 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.01 PARSHAN1 17 4 5437.2 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 17 5 5412.6 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.0
Grand Wash Cliffs Wilderness21 PARASH21 8 1 2747.6 <A <A <A 36.5 36.5 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 8 2 2824 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 8 3 2999 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.021 PARASH21 9 3 3117.6 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.021 PARASH21 9 4 2963.5 <A <A <A 35.5 35.5 0.0 <A <A <A 36.9 36.9 0.021 PARASH21 9 1 3393.7 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 9 2 3189.6 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 10 1 4732.9 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 10 2 4428 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.021 PARASH21 10 3 4622.3 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.021 PARASH21 10 4 4394.5 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.021 PARASH21 11 1 5083.5 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.021 PARASH21 11 2 5018.3 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.021 PARASH21 11 3 4988.8 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.021 PARASH21 11 4 4438.2 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 9 1 2972.6 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 9 2 3554.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 10 1 4395.3 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 10 2 3359.6 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 11 1 4438.7 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 11 2 3910.4 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.0
Gunlock SP40 REDMTN40 1 2 3595 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.040 REDMTN40 1 3 3795 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.7 0.040 REDMTN40 2 2 4785.8 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.040 REDMTN40 2 3 3958.2 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.0
Iron Mission State Park Museum14 PAIUTE14 3 3 5797 <A <A <A <A <A <A <A <A <A 29.3 29.4 0.0
Joshua Tree Instant Study Area4 BEAVER4 1 7 3374 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.04 BEAVER4 2 7 4567.8 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.04 BEAVER4 2 8 4674.8 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.0
Kaibab Indian Reservation17 KAIBAB17 1 1 4808.2 <A <A <A 31.7 31.7 0.0 <A <A <A 33.2 33.2 0.017 KAIBAB17 1 2 4911.2 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.8 0.017 KAIBAB17 1 3 5254.4 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.017 KAIBAB17 1 4 5750.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.017 KAIBAB17 1 5 5766.8 <A <A <A 31.3 31.4 0.2 <A <A <A 32.8 33.0 0.217 KAIBAB17 1 6 5811.7 <A <A <A 32.2 32.0 -0.1 <A <A <A 33.5 33.3 -0.217 KAIBAB17 1 7 5714.3 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.017 KAIBAB17 1 8 5726.4 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.017 KAIBAB17 2 1 4760.5 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.017 KAIBAB17 2 2 4896.2 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.017 KAIBAB17 2 3 5505.5 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.017 KAIBAB17 2 4 5649.7 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.017 KAIBAB17 2 5 6203.4 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.8 0.017 KAIBAB17 2 6 6330.8 <A <A <A 32.8 32.6 -0.2 <A <A <A 34.0 33.6 -0.417 KAIBAB17 2 7 6196.9 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.017 KAIBAB17 2 8 5993.8 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.017 KAIBAB17 3 2 4844.7 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.017 KAIBAB17 3 3 4987.1 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
17 KAIBAB17 3 1 4714.3 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.017 KAIBAB17 3 4 5657.2 <A <A <A 31.2 31.3 0.1 <A <A <A 32.7 32.7 0.017 KAIBAB17 3 5 5204.5 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.017 KAIBAB17 3 6 5997.9 30.1 29.7 -0.4 33.6 33.4 -0.2 30.2 31.2 1.0 34.5 34.9 0.417 KAIBAB17 3 7 6013.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.017 KAIBAB17 3 8 5801.7 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.017 KAIBAB17 4 2 4825.3 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.017 KAIBAB17 4 3 5095.9 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.017 KAIBAB17 4 7 5729.6 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.017 KAIBAB17 4 1 4593.8 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.7 0.017 KAIBAB17 4 4 5000 <A <A <A 31.2 31.3 0.1 <A <A <A 32.7 33.3 0.717 KAIBAB17 4 5 5563.6 <A <A <A 31.0 31.0 0.0 <A <A <A 32.5 32.5 0.017 KAIBAB17 4 6 5779.1 <A <A <A 32.2 32.0 -0.1 <A <A <A 33.3 33.1 -0.217 KAIBAB17 4 8 5725 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.017 KAIBAB17 5 7 5433.5 <A <A <A 30.8 30.8 0.0 <A <A <A 32.2 32.2 0.017 KAIBAB17 5 1 4550 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.017 KAIBAB17 5 2 4592.8 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.017 KAIBAB17 5 3 4749.7 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.017 KAIBAB17 5 4 5050.9 <A <A <A 31.3 31.4 0.1 <A <A <A 32.8 32.8 0.017 KAIBAB17 5 5 5150.7 <A <A <A 31.0 31.0 0.0 <A <A <A 32.5 32.5 0.017 KAIBAB17 5 6 5212.9 <A <A <A 31.5 31.4 -0.1 <A <A <A 32.8 32.7 -0.117 KAIBAB17 5 8 6766.7 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.3 0.017 KAIBAB17 6 1 4557 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.017 KAIBAB17 6 2 4598.2 <A <A <A 32.4 32.4 0.0 <A <A <A 33.8 33.8 0.017 KAIBAB17 6 3 4834.4 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.6 0.017 KAIBAB17 6 4 5000 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.017 KAIBAB17 6 5 5000 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.017 KAIBAB17 6 6 5008 <A <A <A 31.3 31.2 -0.1 <A <A <A 32.6 32.5 -0.117 KAIBAB17 6 7 5337.6 <A <A <A 30.6 30.6 0.0 <A <A <A 32.0 32.0 0.017 KAIBAB17 6 8 5972.2 <A <A <A 30.8 30.8 -0.1 <A <A <A 32.2 32.0 -0.228 KAIBAB28 1 1 4559.4 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.028 KAIBAB28 1 2 4599.3 <A <A <A 32.4 32.4 0.0 <A <A <A 33.8 33.8 0.028 KAIBAB28 1 3 4842.4 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.6 0.028 KAIBAB28 1 4 5000 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.028 KAIBAB28 1 5 5000 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.028 KAIBAB28 1 6 5028.2 <A <A <A 31.2 31.1 -0.1 <A <A <A 32.5 32.4 -0.128 KAIBAB28 1 7 5344.9 <A <A <A 30.6 30.6 0.0 <A <A <A 32.0 32.0 0.028 KAIBAB28 1 8 5862.2 <A <A <A 31.0 30.9 -0.1 <A <A <A 32.3 32.0 -0.328 KAIBAB28 2 1 4547.9 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.028 KAIBAB28 2 2 4586 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.028 KAIBAB28 2 3 4749.6 <A <A <A 32.2 32.3 0.1 <A <A <A 33.7 34.0 0.328 KAIBAB28 2 4 4991.3 <A <A <A 31.7 31.8 0.0 <A <A <A 33.2 33.2 0.028 KAIBAB28 2 5 5003.3 <A <A <A 31.2 31.2 0.0 <A <A <A 32.6 32.6 0.028 KAIBAB28 2 6 5020.5 <A <A <A 31.0 31.0 0.0 <A <A <A 32.4 32.3 -0.128 KAIBAB28 2 7 5134.9 <A <A <A 30.4 30.4 0.0 <A <A <A 31.9 31.9 0.028 KAIBAB28 2 8 5295.3 <A <A <A 30.9 30.7 -0.2 <A 29.8 0.7 32.2 33.8 1.628 KAIBAB28 3 1 4500.8 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.028 KAIBAB28 3 2 4501 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.028 KAIBAB28 3 3 4556 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.7 0.028 KAIBAB28 3 4 4778.4 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.028 KAIBAB28 3 5 4799 <A <A <A 31.4 31.3 0.0 <A <A <A 32.8 32.7 -0.128 KAIBAB28 3 6 4887.6 <A <A <A 30.9 30.9 0.0 <A <A <A 32.3 32.3 -0.128 KAIBAB28 3 7 4924.3 <A <A <A 30.6 30.6 0.0 <A <A <A 32.0 32.0 0.028 KAIBAB28 3 8 5149.7 <A <A <A 30.7 30.6 -0.1 <A <A <A 31.9 32.0 0.0
Kaibab National Forest 25 KAIFST25 1 4 5600 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.025 KAIFST25 1 3 5669.8 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.025 KAIFST25 2 3 4200.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.024 SOUTH24 9 1 5600 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.024 SOUTH24 9 2 5470.5 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.024 SOUTH24 10 1 5698 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.2 0.024 SOUTH24 10 2 5607 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.7 0.024 SOUTH24 11 1 5800 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.024 SOUTH24 11 2 5698 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.0
Kanab Creek Wilderness25 KAIFST25 1 4 5600 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.025 KAIFST25 1 5 5567.4 <A <A <A 30.1 30.1 0.0 <A <A <A 31.6 31.6 0.025 KAIFST25 1 6 4216.8 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.025 KAIFST25 2 3 4200.2 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.025 KAIFST25 2 4 3918.2 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.025 KAIFST25 2 5 3771.9 <A <A <A 30.1 30.1 0.0 <A <A <A 31.6 31.6 0.025 KAIFST25 2 6 3398 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.025 KAIFST25 3 3 4002 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.025 KAIFST25 3 4 3957 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.025 KAIFST25 3 5 4184.9 <A <A <A 30.3 30.3 0.0 <A <A <A 31.8 31.8 0.025 KAIFST25 3 6 3824.3 <A <A <A 29.8 29.8 0.0 <A <A <A 31.3 31.3 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
26 KANCRK26 2 1 5171.3 <A <A <A 30.2 30.2 0.0 <A <A <A 31.6 31.6 0.026 KANCRK26 2 2 4749.9 <A <A <A 30.1 30.1 0.0 <A <A <A 31.5 31.5 0.026 KANCRK26 3 1 4600.7 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.026 KANCRK26 3 2 5036.6 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.026 KANCRK26 4 1 3398 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.026 KANCRK26 4 2 5196.7 <A <A <A 29.6 29.6 0.0 <A <A <A 31.0 31.0 0.026 KANCRK26 5 1 3768.4 <A <A <A 29.8 29.8 0.0 <A <A <A 31.3 31.3 0.026 KANCRK26 5 2 3617.9 <A <A <A 29.5 29.5 0.0 <A <A <A 31.0 31.0 0.027 KANCRK27 1 1 3624 <A <A <A 29.5 29.5 0.0 <A <A <A 31.0 31.0 0.027 KANCRK27 1 2 5212.1 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.027 KANCRK27 1 3 5213.6 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.027 KANCRK27 1 4 5099.3 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.027 KANCRK27 2 1 3827.8 <A <A <A 29.7 29.7 0.0 <A <A <A 31.1 31.1 0.027 KANCRK27 2 2 3794 <A <A <A 29.6 29.6 0.0 <A <A <A 31.1 31.1 0.027 KANCRK27 2 3 3923.2 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.027 KANCRK27 2 4 4802.7 <A <A <A 29.8 29.8 0.0 <A <A <A 31.3 31.3 0.0
Lake Mead National Recreation Area46 LKMEAD46 1 1 1617.3 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.046 LKMEAD46 1 2 1930.2 <A <A <A 37.2 37.2 0.0 <A <A <A 38.6 38.6 0.046 LKMEAD46 2 1 1283 <A <A <A 36.4 36.4 0.0 <A <A <A 37.7 37.7 0.046 LKMEAD46 2 2 1317.2 <A <A <A 36.7 36.7 0.0 <A <A <A 38.1 38.1 0.046 LKMEAD46 2 3 1339 <A <A <A 37.0 37.0 0.0 <A <A <A 38.5 38.5 0.046 LKMEAD46 2 4 1375.5 <A <A <A 37.4 37.4 0.0 <A <A <A 38.7 38.7 0.046 LKMEAD46 3 1 1542.3 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.046 LKMEAD46 3 2 2062.9 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.046 LKMEAD46 3 3 1809.8 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.046 LKMEAD46 3 4 1447.8 <A <A <A 37.0 37.0 0.0 <A <A <A 38.5 38.5 0.046 LKMEAD46 4 1 1677.1 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.047 LKMEAD47 1 1 1299.8 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.047 LKMEAD47 1 2 1312 <A <A <A 36.2 36.2 0.0 <A <A <A 37.6 37.6 0.047 LKMEAD47 1 3 1240.8 <A <A <A 36.4 36.3 0.0 <A <A <A 37.8 37.8 0.047 LKMEAD47 1 4 1604.5 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.047 LKMEAD47 2 1 1079 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.047 LKMEAD47 2 2 1079 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.1 0.047 LKMEAD47 2 3 1265.6 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.047 LKMEAD47 2 4 1281.6 <A <A <A 36.4 36.4 0.0 <A <A <A 37.8 37.8 0.047 LKMEAD47 3 1 1242.2 <A <A <A 35.2 35.2 0.0 <A <A <A 36.6 36.6 0.047 LKMEAD47 3 2 1432.7 <A <A <A 35.2 35.2 0.0 <A <A <A 36.6 36.6 0.047 LKMEAD47 3 3 1443.8 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.047 LKMEAD47 3 4 1537.2 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.047 LKMEAD47 4 1 1658.1 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.047 LKMEAD47 4 2 1597.3 <A <A <A 34.9 34.9 0.0 <A <A <A 36.3 36.3 0.047 LKMEAD47 4 3 1611.9 <A <A <A 35.3 35.3 0.0 <A <A <A 36.7 36.7 0.047 LKMEAD47 4 4 1675 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.047 LKMEAD47 5 3 1967.4 <A <A <A 35.0 35.0 0.0 <A <A <A 36.4 36.4 0.0
La Varkin Creek WSA19 ZION19 1 2 6517.5 <A <A <A 30.0 29.9 -0.1 <A <A <A 31.4 31.3 -0.119 ZION19 1 3 6653.9 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.0
Lime Canyon WSA47 LKMEAD47 4 1 1658.1 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.047 LKMEAD47 4 2 1597.3 <A <A <A 34.9 34.9 0.0 <A <A <A 36.3 36.3 0.047 LKMEAD47 5 1 2599.1 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.047 LKMEAD47 5 2 1816 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.047 LKMEAD47 6 1 2167.1 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.0
Moquith Mountains WSA17 KAIBAB17 4 7 5729.6 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.017 KAIBAB17 5 7 5433.5 <A <A <A 30.8 30.8 0.0 <A <A <A 32.2 32.2 0.029 MOQMTN29 1 2 5983.1 <A <A <A 31.6 31.5 -0.1 <A <A <A 32.9 32.7 -0.229 MOQMTN29 1 3 6230.9 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.029 MOQMTN29 1 1 5819.2 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.029 MOQMTN29 2 1 6822.5 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.1 -0.129 MOQMTN29 2 2 6665.9 <A <A <A 30.9 30.8 0.0 <A <A <A 32.3 32.3 0.029 MOQMTN29 2 3 6605.7 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.029 MOQMTN29 2 4 6431.1 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.029 MOQMTN29 3 1 5448.3 <A <A <A 30.9 30.8 -0.2 <A <A <A 32.3 32.2 0.029 MOQMTN29 3 2 6393 <A <A <A 30.3 30.3 0.0 <A <A <A 31.8 31.8 0.029 MOQMTN29 3 3 6428.9 <A <A <A 30.6 30.7 0.0 <A <A <A 32.1 32.1 0.029 MOQMTN29 3 4 6197 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.029 MOQMTN29 3 5 6042.3 <A <A <A 32.5 32.2 -0.3 <A <A <A 33.7 33.5 -0.229 MOQMTN29 4 1 5185.9 <A <A <A 30.8 30.6 -0.2 <A <A <A 32.1 33.0 0.929 MOQMTN29 4 2 5959.1 <A <A <A 30.0 30.0 0.0 <A <A <A 31.5 31.5 0.029 MOQMTN29 4 3 6199.3 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.0
Morman Mountains WSA45 WEST45 1 1 3097.5 <A <A <A 31.3 31.3 0.0 <A <A <A 32.7 32.7 0.045 WEST45 1 2 3506.5 <A <A <A 30.3 30.3 0.0 <A <A <A 31.8 31.8 0.045 WEST45 1 3 3989.1 <A <A <A 29.5 29.5 0.0 <A <A <A 31.0 31.0 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
45 WEST45 1 4 3966.5 <A <A <A <A <A <A <A <A <A 30.3 30.3 0.045 WEST45 1 5 5001.5 <A <A <A <A <A <A <A <A <A 29.6 29.6 0.045 WEST45 1 6 3795 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 1 7 4177.3 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 1 8 4622.5 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 1 9 3659.6 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 1 10 3365.3 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 1 11 3334.6 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 2 2 3416.3 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.045 WEST45 2 3 3601.2 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.045 WEST45 2 4 3398 <A <A <A 29.9 29.9 0.0 <A <A <A 31.4 31.4 0.045 WEST45 2 5 3387.7 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.045 WEST45 2 6 3413.6 <A <A <A <A <A <A <A <A <A 30.0 30.0 0.045 WEST45 2 7 3578 <A <A <A <A <A <A <A <A <A 29.3 29.3 0.045 WEST45 2 8 3414.6 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 2 9 3198 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 2 10 3198.6 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 3 6 3347.2 <A <A <A 29.5 29.5 0.0 <A <A <A 31.0 31.0 0.045 WEST45 3 7 3182.5 <A <A <A <A <A <A <A <A <A 30.2 30.2 0.045 WEST45 3 8 3011.9 <A <A <A <A <A <A <A <A <A 29.6 29.6 0.045 WEST45 3 9 3159 <A <A <A <A <A <A <A <A <A <A <A <A
Mount Trumbull Wilderness23 SOUTH23 1 1 6432.2 <A <A <A 29.5 29.5 0.0 <A <A <A 30.9 30.9 0.023 SOUTH23 2 1 6409.6 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.023 SOUTH23 3 1 5834.5 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.0
North Fork Virgin River WSA35 DEEPCK35 4 1 6531 <A <A <A 32.7 32.8 0.0 <A <A <A 34.2 34.2 0.035 DEEPCK35 5 1 6132 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.034 ORDERV34 1 4 6097.2 <A <A <A 32.4 32.5 0.1 <A <A <A 34.0 34.0 0.034 ORDERV34 1 5 6564.9 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.034 ORDERV34 2 4 6187.9 <A <A <A 32.0 32.1 0.1 <A <A <A 33.6 33.6 0.034 ORDERV34 2 5 6150.9 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.0
Orderville Canyon WSA34 ORDERV34 1 2 5613.5 <A <A <A 31.5 31.5 0.1 <A <A <A 32.9 32.9 0.034 ORDERV34 1 3 6168.3 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.034 ORDERV34 2 2 6681.3 <A <A <A 31.5 31.9 0.4 <A <A <A 32.9 32.9 0.034 ORDERV34 2 3 5805 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.0
Shivwits Paiute Indian Reservation5 PAIUTEW5 1 1 5404.1 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.05 PAIUTEW5 1 2 5534.5 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.05 PAIUTEW5 1 3 5734 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.05 PAIUTEW5 1 4 4794 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.05 PAIUTEW5 1 5 4435.6 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.05 PAIUTEW5 2 1 4397.5 <A <A <A 31.8 31.8 0.0 <A <A <A 33.1 33.1 0.05 PAIUTEW5 2 2 4263.1 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.05 PAIUTEW5 2 3 4639.8 <A <A <A 32.8 32.7 0.0 <A <A <A 34.2 34.2 0.05 PAIUTEW5 2 4 4069.6 <A <A <A 33.4 33.3 0.0 <A <A <A 34.8 34.8 0.05 PAIUTEW5 2 5 3992.7 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.05 PAIUTEW5 3 1 4055.1 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.05 PAIUTEW5 3 2 3899.4 <A <A <A 31.3 31.2 -0.1 <A <A <A 32.7 32.6 -0.15 PAIUTEW5 3 3 3705 <A <A <A 32.0 31.8 -0.3 <A <A <A 33.4 33.2 -0.25 PAIUTEW5 3 4 3452 <A <A <A 32.4 32.3 -0.1 <A <A <A 33.8 33.7 -0.15 PAIUTEW5 3 5 3786.5 <A <A <A 32.9 32.9 0.0 <A <A <A 34.3 34.3 0.05 PAIUTEW5 4 1 3784 <A <A <A 30.2 30.0 -0.2 <A <A <A 31.6 31.4 -0.15 PAIUTEW5 4 2 3595 <A <A <A 31.4 30.7 -0.7 <A <A <A 32.6 32.0 -0.55 PAIUTEW5 4 3 3945.1 <A <A <A 31.3 30.9 -0.4 <A <A <A 32.6 32.3 -0.35 PAIUTEW5 4 4 3411.7 <A <A <A 31.2 31.1 -0.1 <A <A <A 32.6 32.5 -0.15 PAIUTEW5 4 5 4513.1 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.05 PAIUTEW5 5 1 3448.2 <A <A <A 30.4 29.7 -0.6 <A <A <A 31.6 31.1 -0.55 PAIUTEW5 5 2 3226.4 <A <A <A 31.0 30.0 -1.1 <A <A <A 32.2 31.3 -0.85 PAIUTEW5 5 3 3198 <A <A <A 30.1 29.9 -0.2 <A <A <A 31.5 31.4 -0.15 PAIUTEW5 5 4 3356.7 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.05 PAIUTEW5 5 5 4916.2 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.1 0.0
Cedar City Paiute Indian Reservation14 PAIUTE14 1 1 5495 <A <A <A 30.9 30.9 0.0 <A <A <A 32.0 32.0 0.014 PAIUTE14 1 2 5482 <A <A <A 31.5 31.5 0.0 <A <A <A 32.4 32.4 0.014 PAIUTE14 2 1 6356.4 <A <A <A <A <A <A <A <A <A 30.4 30.5 0.014 PAIUTE14 2 2 5993.7 <A <A <A 29.1 29.1 0.0 <A <A <A 30.4 30.4 0.014 PAIUTE14 3 1 6498.6 <A <A <A <A <A <A <A <A <A 30.1 30.1 0.014 PAIUTE14 3 2 5974.5 <A <A <A <A <A <A <A <A <A 29.4 29.5 0.0
Paiute Wilderness4 BEAVER4 1 1 2565.2 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.5 0.04 BEAVER4 1 2 1992.4 <A <A <A 34.2 34.0 -0.1 <A <A <A 35.5 35.4 -0.14 BEAVER4 2 1 5616.8 <A <A <A 34.2 34.1 -0.1 <A <A <A 35.6 35.5 -0.14 BEAVER4 2 2 3792 <A <A <A 34.7 34.5 -0.2 <A <A <A 36.0 35.8 -0.24 BEAVER4 3 1 4967.7 <A <A <A 34.1 33.9 -0.2 <A <A <A 35.5 35.3 -0.2
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
4 BEAVER4 3 2 4035.5 <A <A <A 34.3 34.0 -0.3 <A <A <A 35.6 35.3 -0.34 BEAVER4 3 3 2451.7 <A <A <A 34.5 34.2 -0.3 <A <A <A 35.7 35.5 -0.24 BEAVER4 3 8 6307.2 <A <A <A 32.0 32.0 0.0 <A <A <A 33.3 33.4 0.04 BEAVER4 4 4 2398 <A <A <A 34.2 34.1 -0.1 <A <A <A 35.4 35.3 -0.14 BEAVER4 4 1 4963.6 <A <A <A 33.9 33.8 -0.1 <A <A <A 35.3 35.2 -0.14 BEAVER4 4 2 4376 <A <A <A 34.1 33.8 -0.3 <A <A <A 35.5 35.2 -0.24 BEAVER4 5 1 5795.5 <A <A <A 34.0 34.0 0.0 <A <A <A 35.4 35.4 0.04 BEAVER4 5 2 5400 <A <A <A 33.9 33.8 -0.1 <A <A <A 35.3 35.3 -0.14 BEAVER4 5 3 4352.6 <A <A <A 34.2 34.0 -0.2 <A <A <A 35.5 35.4 -0.14 BEAVER4 5 4 2606.1 29.6 <A -0.5 34.8 34.5 -0.2 29.8 <A -0.7 35.9 35.7 -0.24 BEAVER4 6 3 4392 <A <A <A 33.8 33.8 0.0 <A <A <A 35.2 35.2 0.02 PAIUTEW2 2 2 5195 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.8 0.02 PAIUTEW2 2 3 5835 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.8 0.02 PAIUTEW2 2 1 4894.4 <A <A <A 34.2 34.3 0.0 <A <A <A 35.8 35.8 0.02 PAIUTEW2 2 4 5768.7 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.02 PAIUTEW2 3 2 5396 <A <A <A 34.3 34.4 0.0 <A <A <A 35.8 35.8 0.02 PAIUTEW2 3 3 5820 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.9 0.02 PAIUTEW2 3 1 4885.1 <A <A <A 34.2 34.3 0.1 <A <A <A 35.7 35.8 0.02 PAIUTEW2 3 4 7483.9 <A <A <A 34.5 34.5 0.1 <A <A <A 35.9 36.0 0.02 PAIUTEW2 4 1 5283.6 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.02 PAIUTEW2 4 2 4910.7 <A <A <A 34.2 34.3 0.1 <A <A <A 35.8 35.8 0.02 PAIUTEW2 4 3 6136.9 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.0 0.02 PAIUTEW2 4 4 7072.1 <A <A <A 34.6 34.7 0.1 <A <A <A 36.0 36.1 0.12 PAIUTEW2 5 1 4589 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.02 PAIUTEW2 5 2 4881.5 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.02 PAIUTEW2 5 3 6774.8 <A <A <A 34.5 34.6 0.1 <A <A <A 36.1 36.0 -0.12 PAIUTEW2 5 4 7086.1 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.02 PAIUTEW2 6 1 4386.1 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.02 PAIUTEW2 6 2 4598.8 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.02 PAIUTEW2 6 3 5105.9 <A <A <A 33.9 34.0 0.1 <A <A <A 35.4 35.4 0.02 PAIUTEW2 6 4 5803.7 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.02 PAIUTEW2 7 2 4839.5 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.02 PAIUTEW2 7 3 5736.6 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.1 0.02 PAIUTEW2 7 4 6447.5 <A <A <A 34.0 34.1 0.2 <A <A <A 35.6 35.6 0.02 PAIUTEW2 8 2 4991.9 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.2 0.02 PAIUTEW2 8 3 5597 <A <A <A 33.1 33.1 0.0 <A <A <A 34.5 34.5 0.02 PAIUTEW2 8 4 5165.8 <A <A <A 33.4 33.5 0.0 <A <A <A 34.9 35.0 0.02 PAIUTEW2 9 3 5017.6 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.03 PAIUTEW3 1 1 3733.6 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.03 PAIUTEW3 1 2 2782.7 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.03 PAIUTEW3 2 1 5796 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.03 PAIUTEW3 2 2 3631 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.3 0.03 PAIUTEW3 2 3 3031.5 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.03 PAIUTEW3 2 4 2586 <A <A <A 34.2 34.2 0.0 <A <A <A 35.5 35.5 0.03 PAIUTEW3 2 5 2176 <A <A <A 34.1 34.0 0.0 <A <A <A 35.4 35.4 0.03 PAIUTEW3 3 1 7432.7 <A <A <A 34.5 34.5 0.1 <A <A <A 35.9 36.0 0.03 PAIUTEW3 3 2 5278.8 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.03 PAIUTEW3 3 3 4933.4 <A <A <A 34.1 34.0 -0.1 <A <A <A 35.5 35.5 0.03 PAIUTEW3 3 4 3574.3 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.03 PAIUTEW3 3 5 4095.6 <A <A <A 34.5 34.5 0.0 <A <A <A 35.7 35.7 0.03 PAIUTEW3 4 1 7094.4 <A <A <A 34.6 34.7 0.1 <A <A <A 36.0 36.1 0.13 PAIUTEW3 4 2 6473.7 <A <A <A 34.4 34.4 0.1 <A <A <A 35.8 35.9 0.03 PAIUTEW3 4 3 6928.4 <A <A <A 34.4 34.3 0.0 <A <A <A 35.8 35.8 0.03 PAIUTEW3 4 4 6280.1 <A <A <A 34.2 34.1 -0.1 <A <A <A 35.6 35.6 -0.13 PAIUTEW3 4 5 4929.5 <A <A <A 34.1 34.0 -0.2 <A <A <A 35.5 35.4 -0.13 PAIUTEW3 5 1 7083.5 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.03 PAIUTEW3 5 2 5664.1 <A <A <A 34.4 34.5 0.1 <A <A <A 35.8 35.9 0.13 PAIUTEW3 5 3 4931.3 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.03 PAIUTEW3 5 4 4430.7 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.4 0.03 PAIUTEW3 5 5 3420.2 <A <A <A 33.9 33.8 -0.2 <A <A <A 35.3 35.2 -0.13 PAIUTEW3 6 1 5806.7 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.03 PAIUTEW3 6 2 6884.3 <A <A <A 34.5 34.6 0.0 <A <A <A 36.0 36.0 0.03 PAIUTEW3 6 3 6424.7 <A <A <A 34.4 34.5 0.1 <A <A <A 35.8 35.9 0.13 PAIUTEW3 6 4 5729.6 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.6 0.03 PAIUTEW3 6 5 4726.1 <A <A <A 33.9 33.9 -0.1 <A <A <A 35.4 35.3 -0.13 PAIUTEW3 7 1 6442.6 <A <A <A 34.0 34.1 0.2 <A <A <A 35.5 35.6 0.03 PAIUTEW3 7 2 6859.6 <A <A <A 34.5 34.3 -0.2 <A <A <A 35.7 35.8 0.01 PARSHAN1 7 7 4103.7 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 7 8 4327.8 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 8 7 4306.7 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 8 8 5066.7 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.01 PARSHAN1 9 8 4488.5 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.01 PARSHAN1 10 3 3841.1 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.0
Parunuweap WSA31 PARUNW31 1 2 5747.3 <A <A <A 32.4 32.4 0.1 <A <A <A 33.8 33.9 0.031 PARUNW31 1 3 5604.7 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
31 PARUNW31 1 4 4839.8 <A <A <A 31.7 31.6 -0.1 <A <A <A 33.0 33.0 0.031 PARUNW31 1 5 5715.2 <A <A <A 31.9 31.7 -0.3 <A <A <A 33.0 33.0 0.031 PARUNW31 1 6 5807 <A <A <A 31.8 31.8 -0.1 <A <A <A 33.0 33.1 0.131 PARUNW31 2 2 5455.8 <A <A <A 32.5 32.7 0.1 <A <A <A 34.0 34.1 0.131 PARUNW31 2 3 5242.2 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.031 PARUNW31 2 4 5200 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.031 PARUNW31 2 5 5404.2 <A <A <A 31.5 31.4 -0.1 <A <A <A 32.8 32.9 0.031 PARUNW31 2 6 6153.9 <A <A <A 31.7 31.6 -0.1 <A <A <A 32.9 33.0 0.031 PARUNW31 3 1 6036.9 <A <A <A 33.0 33.1 0.0 <A <A <A 34.5 34.5 0.031 PARUNW31 3 2 5568.5 <A <A <A 32.7 33.0 0.3 <A <A <A 34.1 34.3 0.231 PARUNW31 3 3 5228.6 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.7 0.031 PARUNW31 3 4 5219.4 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.031 PARUNW31 3 5 5997 <A <A <A 31.5 31.5 -0.1 <A <A <A 32.9 32.9 0.031 PARUNW31 3 6 5970 <A <A <A 31.6 31.4 -0.1 <A <A <A 32.8 32.8 0.031 PARUNW31 3 7 6368.8 <A <A <A 31.6 31.6 0.0 <A <A <A 32.9 33.0 0.131 PARUNW31 4 1 6398.3 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.031 PARUNW31 4 2 5592.2 <A <A <A 32.9 33.1 0.3 <A <A <A 34.3 34.5 0.231 PARUNW31 4 3 5601 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.0 0.031 PARUNW31 4 4 5222.3 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.031 PARUNW31 4 5 5347.6 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.031 PARUNW31 4 6 5797.3 <A <A <A 31.3 31.2 0.0 <A <A <A 32.6 32.6 0.031 PARUNW31 4 7 6050 <A <A <A 31.5 31.3 -0.2 <A <A <A 32.6 32.7 0.131 PARUNW31 5 1 6397 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.031 PARUNW31 5 2 5997 <A <A <A 32.9 33.0 0.1 <A <A <A 34.4 34.5 0.131 PARUNW31 5 3 5638.2 <A <A <A 32.6 32.7 0.0 <A <A <A 34.1 34.1 0.031 PARUNW31 5 4 5006 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.031 PARUNW31 5 5 5704.9 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.031 PARUNW31 5 6 5655.6 <A <A <A 31.1 31.0 0.0 <A <A <A 32.5 32.5 0.031 PARUNW31 6 2 5819.5 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.031 PARUNW31 6 3 5602.9 <A <A <A 32.6 32.6 0.0 <A <A <A 34.0 34.1 0.031 PARUNW31 6 4 5390.3 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.7 0.031 PARUNW31 7 3 5453.5 <A <A <A 32.5 32.7 0.1 <A <A <A 34.0 34.1 0.1
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Pine Valley Mountain Wilderness10 PINEV10 1 1 7198 <A <A <A <A <A <A <A <A <A 30.3 30.3 0.010 PINEV10 1 2 6998 <A <A <A <A <A <A <A <A <A 30.4 30.4 0.010 PINEV10 2 1 8599.8 <A <A <A <A <A <A <A <A <A 29.9 29.9 0.010 PINEV10 2 2 7211.8 <A <A <A <A <A <A <A <A <A 30.1 30.1 0.010 PINEV10 2 3 7354.5 <A <A <A <A <A <A <A <A <A 30.5 30.5 0.010 PINEV10 3 1 8850.5 <A <A <A <A <A <A <A <A <A 29.8 29.8 0.010 PINEV10 3 2 8548.3 <A <A <A <A <A <A <A <A <A 29.9 29.9 0.010 PINEV10 3 3 8588.5 <A <A <A <A <A <A <A <A <A 30.3 30.3 0.010 PINEV10 4 1 9492.9 <A <A <A <A <A <A <A <A <A 30.2 30.3 0.110 PINEV10 4 2 8341.2 <A <A <A <A <A <A <A <A <A 30.2 30.3 0.110 PINEV10 4 3 7798 <A <A <A <A 29.2 0.1 <A <A <A 30.5 30.6 0.110 PINEV10 4 4 7846.9 <A <A <A 29.5 29.6 0.0 <A <A <A 31.0 31.0 0.110 PINEV10 5 1 6918.6 <A <A <A <A 29.2 0.1 <A <A <A 30.5 30.6 0.110 PINEV10 5 2 8260.6 <A <A <A 29.5 29.6 0.1 <A <A <A 30.9 31.0 0.110 PINEV10 5 3 6493.5 <A <A <A <A 29.1 0.0 <A <A <A 30.5 30.6 0.110 PINEV10 5 4 6341.3 <A <A <A 29.1 29.2 0.1 <A <A <A 30.6 30.6 0.17 PINEV7 2 2 6953.9 <A <A <A 29.7 29.3 -0.4 <A <A <A 31.0 30.7 -0.37 PINEV7 3 1 6219.5 <A <A <A <A <A <A <A <A <A 30.1 30.0 -0.17 PINEV7 3 2 7407.1 <A <A <A <A <A <A <A <A <A 30.3 30.2 -0.17 PINEV7 4 1 5797 <A <A <A <A <A <A <A <A <A 29.9 29.7 -0.37 PINEV7 4 2 8124.8 <A <A <A <A <A <A <A <A <A 30.2 29.7 -0.57 PINEV7 5 2 6388.2 <A <A <A <A <A <A <A <A <A 29.8 29.6 -0.28 PINEV8 1 3 7145.6 <A <A <A 30.3 29.8 -0.5 <A <A <A 31.6 31.2 -0.48 PINEV8 2 1 6953.6 <A <A <A 29.7 29.3 -0.4 <A <A <A 31.0 30.7 -0.38 PINEV8 2 2 7456.5 <A <A <A 29.8 29.3 -0.5 <A <A <A 31.1 30.7 -0.48 PINEV8 2 3 9192.8 <A <A <A 30.1 29.5 -0.6 <A <A <A 31.4 30.9 -0.58 PINEV8 3 1 7404.5 <A <A <A <A <A <A <A <A <A 30.3 30.1 -0.18 PINEV8 3 2 9040.6 <A <A <A 29.6 29.3 -0.3 <A <A <A 30.9 30.6 -0.38 PINEV8 3 3 7507.6 <A <A <A 29.2 <A -0.1 <A <A <A 30.6 30.5 -0.18 PINEV8 4 1 8123.1 <A <A <A <A <A <A <A <A <A 30.2 29.7 -0.58 PINEV8 4 2 10178.7 <A <A <A <A <A <A <A <A <A 30.2 30.1 -0.28 PINEV8 4 3 7687 <A <A <A <A <A <A <A <A <A 30.0 30.0 0.08 PINEV8 5 1 6387.2 <A <A <A <A <A <A <A <A <A 29.8 29.6 -0.28 PINEV8 5 2 9413.8 <A <A <A <A <A <A <A <A <A 30.5 29.7 -0.88 PINEV8 5 3 7841.1 <A <A <A <A <A <A <A <A <A 29.6 29.6 0.08 PINEV8 6 2 7376.3 <A <A <A <A <A <A <A <A <A 29.8 29.9 0.18 PINEV8 6 3 9458.6 <A <A <A <A <A <A <A <A <A 29.8 29.8 0.08 PINEV8 7 2 6607.9 <A <A <A <A <A <A <A <A <A 30.2 30.4 0.18 PINEV8 7 3 7913 <A <A <A <A <A <A <A <A <A 30.0 30.1 0.18 PINEV8 8 3 5989.4 <A <A <A <A <A <A <A <A <A 30.5 30.5 0.09 PINEV9 1 1 7141.8 <A <A <A 30.3 29.8 -0.5 <A <A <A 31.6 31.2 -0.49 PINEV9 2 1 9192.9 <A <A <A 30.1 29.5 -0.6 <A <A <A 31.4 30.9 -0.59 PINEV9 3 1 7511.2 <A <A <A 29.2 <A -0.1 <A <A <A 30.6 30.5 -0.19 PINEV9 4 1 7691.4 <A <A <A <A <A <A <A <A <A 30.0 30.0 0.09 PINEV9 4 3 7190.9 <A <A <A <A <A <A <A <A <A 30.3 30.3 0.09 PINEV9 5 1 7847.6 <A <A <A <A <A <A <A <A <A 29.6 29.6 0.09 PINEV9 5 2 8330 <A <A <A <A <A <A <A <A <A 29.8 29.7 0.09 PINEV9 5 3 8559.4 <A <A <A <A <A <A <A <A <A 30.1 30.0 0.09 PINEV9 6 1 9454.1 <A <A <A <A <A <A <A <A <A 29.8 29.8 0.09 PINEV9 6 2 9196.1 <A <A <A <A <A <A <A <A <A 29.8 29.7 -0.19 PINEV9 6 3 9184.3 <A <A <A <A <A <A <A <A <A 29.8 29.7 -0.19 PINEV9 7 1 7920.1 <A <A <A <A <A <A <A <A <A 30.0 30.1 0.19 PINEV9 7 2 8100.3 <A <A <A <A <A <A <A <A <A 29.9 30.0 0.19 PINEV9 7 3 9689.4 <A <A <A <A <A <A <A <A <A 30.1 30.2 0.1
Pipe Spring NM17 KAIBAB17 3 2 4844.7 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.017 KAIBAB17 3 3 4987.1 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.017 KAIBAB17 4 2 4825.3 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.017 KAIBAB17 4 3 5095.9 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.0
Quail Creek SP38 COTTON38 6 1 3159 <A <A <A 31.9 32.2 0.3 <A <A <A 33.0 33.3 0.338 COTTON38 6 2 3198 <A <A <A 32.2 31.7 -0.5 <A <A <A 33.2 32.7 -0.4
Red Butte WSA13 ZION13 3 1 6096.9 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.0
Red Mountain WSA39 REDMTN39 1 2 3402.7 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.039 REDMTN39 1 3 5399.3 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.2 0.039 REDMTN39 2 1 3149.7 <A <A <A 29.4 29.3 -0.1 <A <A <A 30.9 30.8 -0.139 REDMTN39 2 2 3580.6 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.039 REDMTN39 2 3 5064.5 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.040 REDMTN40 1 2 3595 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.040 REDMTN40 1 3 3795 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.7 0.040 REDMTN40 1 1 3788.2 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.040 REDMTN40 2 2 4785.8 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.040 REDMTN40 2 3 3958.2 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.0
Table B.22Noise Level Changes at 4f/303(c) PropertiesCumulative Leq(24) - 2010/2020 none none
none none
2020 Leq (24)
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Existing Ariport
Net Change in Project Noise DNL Replacement Airport
Cumulative NoiseSGU Noise Only
Replacement AirportNet Change in Cumulative
Noise DNLExisting Ariport
Replacement Airport
Net Change in Cumulative Noise DNL
Legend
Net Change in Project Noise DNL
Ground Elevation (in feet)
2010 Leq (24)Cumulative Noise
Replacement AirportExisting Ariport
> +10.0 dBA < -10.0 dBA
SGU Noise Only
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
40 REDMTN40 2 1 5122.5 <A <A <A 31.7 31.7 0.0 <A <A <A 33.2 33.2 0.040 REDMTN40 3 1 5399 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.2 0.040 REDMTN40 3 2 4596.9 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.040 REDMTN40 3 3 4322.8 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.5 0.040 REDMTN40 4 1 5063.3 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.040 REDMTN40 4 2 4879 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.040 REDMTN40 4 3 4739.7 <A <A <A 31.2 31.2 0.0 <A <A <A 32.6 32.6 0.06 SNOWCAN6 1 2 3189.9 <A <A <A 29.4 29.3 -0.1 <A <A <A 30.8 30.8 0.06 SNOWCAN6 1 3 3476.9 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.06 SNOWCAN6 1 4 5007.4 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.06 SNOWCAN6 1 5 4830.6 <A <A <A 30.8 30.8 0.0 <A <A <A 32.1 32.1 0.06 SNOWCAN6 1 6 4710.9 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.06 SNOWCAN6 2 2 3250.3 <A <A <A 29.2 29.1 -0.1 <A <A <A 30.7 30.6 0.06 SNOWCAN6 2 3 3795.2 <A <A <A 29.5 29.4 0.0 <A <A <A 30.9 30.9 0.06 SNOWCAN6 2 4 3594.7 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.06 SNOWCAN6 2 5 5000 <A <A <A 30.1 30.2 0.0 <A <A <A 31.6 31.6 0.06 SNOWCAN6 2 6 4763 <A <A <A 30.5 30.5 0.0 <A <A <A 32.0 32.0 0.0
Snow Canyon SP6 SNOWCAN6 2 2 3250.3 <A <A <A 29.2 29.1 -0.1 <A <A <A 30.7 30.6 0.06 SNOWCAN6 2 3 3795.2 <A <A <A 29.5 29.4 0.0 <A <A <A 30.9 30.9 0.06 SNOWCAN6 2 4 3594.7 <A <A <A 29.7 29.7 0.0 <A <A <A 31.2 31.2 0.06 SNOWCAN6 2 5 5000 <A <A <A 30.1 30.2 0.0 <A <A <A 31.6 31.6 0.06 SNOWCAN6 3 1 3007.9 <A <A <A 29.5 <A -0.4 <A <A <A 30.8 30.5 -0.36 SNOWCAN6 3 2 3586.5 <A <A <A 29.2 <A -0.1 <A <A <A 30.6 30.5 -0.16 SNOWCAN6 3 3 3821.7 <A <A <A 29.4 29.2 -0.1 <A <A <A 30.8 30.7 -0.16 SNOWCAN6 3 4 4386.2 <A <A <A 29.5 29.4 -0.1 <A <A <A 30.9 30.8 -0.16 SNOWCAN6 3 5 4592.5 <A <A <A 29.7 29.6 -0.1 <A <A <A 31.1 31.0 -0.1
Spring Creek Canyon WSA37 SORING37 1 1 5330.9 <A <A <A 32.1 32.1 0.0 <A <A <A 33.3 33.3 0.037 SORING37 2 1 6363.5 <A <A <A 30.6 30.6 0.0 <A <A <A 32.0 32.1 0.037 SORING37 2 2 5579.1 <A <A <A 30.3 30.3 0.0 <A <A <A 31.7 31.7 0.037 SORING37 2 3 5495 <A <A <A 30.7 30.7 0.0 <A <A <A 31.9 31.9 0.037 SORING37 3 1 6822.6 <A <A <A 29.9 29.9 0.0 <A <A <A 31.3 31.4 0.037 SORING37 3 2 6736.3 <A <A <A 29.6 29.6 0.0 <A <A <A 31.0 31.0 0.037 SORING37 3 3 6198 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.037 SORING37 4 2 7179 <A <A <A 29.4 29.4 0.0 <A <A <A 30.8 30.9 0.037 SORING37 4 3 7809.7 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.0
Taylor Creek WSA13 ZION13 3 4 7607.6 <A <A <A 30.5 30.5 0.0 <A <A <A 32.0 32.0 0.0
Tunnel Spring WSA43 TUNEL43 1 1 5597 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 1 2 5959.1 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 2 5894.7 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 3 6167.2 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 2 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 3 6181 <A <A <A <A <A <A <A <A <A <A <A <A
The Watchman WSA11 ZION11 1 2 3999.0 <A <A <A 31.5 31.5 0.0 <A <A <A 32.8 32.9 0.011 ZION11 1 3 4546.2 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.8 0.0
Little Balck Mountain Petroglyph Site18 NEWGRID5 1 1 2941.0 <A 30.2 1.1 34.2 34.3 0.1 <A 30.9 1.8 33.7 35.5 1.7
Table B.21Noise Level Changes at 4f/303(c) PropertiesCumulative DNL - 2010/2020 none none
none none
Ashdown Gorge Wilderness15 ASHDWN15 1 2 7693.2 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.2 0.015 ASHDWN15 1 3 7970.2 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.015 ASHDWN15 2 1 8609.8 <A <A <A 29.8 29.8 0.0 <A <A <A 31.3 31.3 0.015 ASHDWN15 2 2 8598.5 <A <A <A 30.1 30.1 0.0 <A <A <A 31.5 31.5 0.015 ASHDWN15 2 3 7995.3 <A <A <A 30.2 30.2 0.0 <A <A <A 31.7 31.7 0.015 ASHDWN15 2 4 9309.7 <A <A <A 30.6 30.6 0.0 <A <A <A 32.0 32.0 0.015 ASHDWN15 2 5 8956.9 <A <A <A 30.4 30.4 0.0 <A <A <A 31.8 31.8 0.015 ASHDWN15 3 1 10214.6 <A <A <A 29.3 29.3 0.0 <A <A <A 30.7 30.8 0.015 ASHDWN15 3 2 8805.8 <A <A <A 29.3 29.3 0.0 <A <A <A 31.8 30.8 -1.015 ASHDWN15 3 3 8735.3 <A <A <A 29.8 29.8 0.0 <A <A <A 31.2 31.2 0.015 ASHDWN15 3 4 8906.4 <A <A <A 30.1 30.1 0.0 <A <A <A 31.6 31.6 0.015 ASHDWN15 3 5 9907.3 <A <A <A 30.5 30.5 0.0 <A <A <A 31.9 31.9 0.015 ASHDWN15 4 1 10301.8 <A <A <A 29.2 29.2 0.0 <A <A <A 30.7 30.7 0.015 ASHDWN15 4 2 9417.9 <A <A <A <A 29.1 0.0 <A <A <A 30.6 30.6 0.015 ASHDWN15 4 3 9530.9 <A <A <A 29.4 29.4 0.0 <A <A <A 30.8 30.8 0.015 ASHDWN15 4 4 10544.6 <A <A <A 30.0 30.0 0.0 <A <A <A 31.5 31.5 0.0
Beartrap Canyon WSA19 ZION19 2 2 7373.5 <A <A <A 30.8 30.9 0.0 <A <A <A 32.3 32.3 0.0
Beaver Dam Mountains Wilderness4 BEAVER4 2 3 3134.8 <A <A <A 35.7 35.5 -0.2 <A <A <A 37.0 36.8 -0.14 BEAVER4 2 4 3258.3 <A <A <A 35.3 35.1 -0.2 <A <A <A 36.7 36.5 -0.14 BEAVER4 2 5 2801.4 <A <A <A 34.8 34.7 -0.1 <A <A <A 36.2 36.2 -0.14 BEAVER4 2 6 3938.5 <A <A <A 34.5 34.4 -0.1 <A <A <A 35.9 35.9 0.04 BEAVER4 3 4 3132.2 <A <A <A 35.4 35.2 -0.1 <A <A <A 36.7 36.6 -0.14 BEAVER4 3 5 3254.4 <A <A <A 35.0 34.9 -0.1 <A <A <A 36.4 36.3 -0.14 BEAVER4 3 6 4396.5 <A <A <A 34.7 34.6 -0.1 <A <A <A 36.1 36.0 -0.14 BEAVER4 3 7 5103.1 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.04 BEAVER4 4 4 2398 <A <A <A 35.6 35.5 -0.1 <A <A <A 36.9 36.8 -0.14 BEAVER4 4 3 3274.9 30.0 <A -0.9 36.1 35.8 -0.2 30.2 29.1 -1.1 37.3 37.1 -0.24 BEAVER4 4 5 3257.6 <A <A <A 35.2 35.1 -0.1 <A <A <A 36.5 36.4 -0.14 BEAVER4 4 6 3919.1 <A <A <A 34.8 34.6 -0.2 <A <A <A 36.2 36.0 -0.24 BEAVER4 4 7 4461.6 <A <A <A 33.7 33.6 -0.1 <A <A <A 35.2 35.1 -0.14 BEAVER4 5 5 2837.2 <A <A <A 35.3 35.1 -0.2 <A <A <A 36.6 36.4 -0.24 BEAVER4 5 6 4584.3 <A <A <A 34.4 34.0 -0.4 <A <A <A 35.7 35.4 -0.34 BEAVER4 6 4 3728.6 30.5 30.2 -0.3 35.9 35.8 -0.1 30.6 30.4 -0.2 37.0 37.0 0.04 BEAVER4 6 5 2597.5 30.9 29.3 -1.6 35.3 34.8 -0.5 31.1 29.5 -1.6 36.4 36.0 -0.44 BEAVER4 7 6 3290.5 31.3 <A -2.2 34.8 33.6 -1.2 31.5 <A -2.4 35.7 34.8 -1.04 BEAVER4 7 7 3079.7 <A <A <A 33.3 32.0 -1.3 <A <A <A 34.4 33.4 -1.04 BEAVER4 8 6 2743.3 32.2 30.4 -1.8 35.4 34.6 -0.8 32.4 30.5 -1.9 36.3 35.6 -0.74 BEAVER4 8 7 2616.9 31.6 <A -2.5 34.8 32.7 -2.0 31.8 <A -2.7 35.7 34.0 -1.7
Beaver Dam SP42 COUGAR42 2 1 5620.1 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 2 2 5201.3 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 2 3 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 3 1 5180.1 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A
Canaan Mountain WSA30 CANAAN30 1 5 4888.8 <A <A <A 32.9 32.7 -0.1 <A <A <A 34.1 34.2 0.130 CANAAN30 1 6 4703.4 <A <A <A 32.6 32.7 0.0 <A <A <A 34.1 34.1 0.030 CANAAN30 2 3 5047.6 <A <A <A 32.2 32.3 0.1 <A <A <A 33.7 33.7 0.030 CANAAN30 2 4 5040.5 <A <A <A 32.7 32.8 0.1 <A <A <A 34.0 34.0 0.130 CANAAN30 2 5 5323.3 <A <A <A 32.9 32.7 -0.2 <A <A <A 34.0 33.9 -0.130 CANAAN30 2 6 4411.6 <A <A <A 32.6 32.5 0.0 <A <A <A 34.0 34.0 0.030 CANAAN30 3 2 4928.7 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.7 0.030 CANAAN30 3 3 5434.1 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.2 0.030 CANAAN30 3 4 6437.4 <A <A <A 33.3 33.3 0.0 <A <A <A 34.6 34.4 -0.230 CANAAN30 3 5 4524.1 <A <A <A 32.7 32.7 0.0 <A <A <A 34.0 34.0 0.030 CANAAN30 3 6 4403.4 <A <A <A 32.9 32.8 0.0 <A <A <A 34.2 34.2 0.030 CANAAN30 4 2 5093.8 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.030 CANAAN30 4 3 5583 <A <A <A 33.3 33.3 0.0 <A <A <A 34.6 34.7 0.030 CANAAN30 4 4 6652.5 30.3 29.2 -1.1 34.8 34.4 -0.4 30.5 <A -1.4 35.8 35.2 -0.730 CANAAN30 4 5 6387.2 <A <A <A 33.2 33.2 0.1 <A <A <A 34.5 34.6 0.130 CANAAN30 4 6 5178.6 <A <A <A 33.4 33.4 -0.1 <A <A <A 34.7 34.7 0.030 CANAAN30 5 1 5197 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.030 CANAAN30 5 2 6206.6 <A <A <A 34.2 34.2 0.0 <A <A <A 35.7 35.7 0.030 CANAAN30 5 3 6988 <A <A <A 33.8 33.8 0.0 <A <A <A 35.2 35.2 0.030 CANAAN30 5 4 6232.9 <A <A <A 34.3 34.1 -0.2 <A <A <A 35.5 35.1 -0.430 CANAAN30 5 5 4571.5 <A <A <A 33.0 33.2 0.2 <A <A <A 34.4 34.5 0.130 CANAAN30 5 6 4213.2 <A <A <A 33.1 33.1 0.0 <A <A <A 34.4 34.4 0.030 CANAAN30 6 1 5195.1 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 35.9 0.030 CANAAN30 6 2 5425.8 <A <A <A 34.3 34.3 0.0 <A <A <A 35.7 35.7 0.030 CANAAN30 6 3 6409.2 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.030 CANAAN30 6 4 6440.6 <A <A <A 34.0 33.9 -0.1 <A <A <A 35.3 35.2 -0.130 CANAAN30 6 5 6385.3 <A <A <A 33.1 34.0 0.9 <A <A <A 34.5 35.2 0.730 CANAAN30 6 6 5616 <A <A <A 32.9 33.0 0.0 <A <A <A 34.3 34.3 0.030 CANAAN30 7 1 6593.4 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.0 0.030 CANAAN30 7 2 5988.2 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.030 CANAAN30 7 3 5463.8 <A <A <A 34.3 34.3 -0.1 <A <A <A 35.7 35.6 -0.130 CANAAN30 7 4 6189.3 <A <A <A 34.1 34.0 -0.1 <A <A <A 35.5 35.4 -0.130 CANAAN30 7 5 5998.2 <A <A <A 33.3 33.6 0.3 <A <A <A 34.7 34.9 0.230 CANAAN30 7 6 5581.6 <A <A <A 33.0 33.0 0.1 <A <A <A 34.4 34.4 0.030 CANAAN30 8 1 5651.5 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.030 CANAAN30 8 2 6326.6 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.030 CANAAN30 8 3 6088.7 <A <A <A 35.1 34.9 -0.2 <A 30.3 1.2 36.3 36.8 0.530 CANAAN30 8 6 5677.9 <A <A <A 33.3 33.4 0.1 <A <A <A 34.7 34.8 0.030 CANAAN30 9 1 5449.9 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.030 CANAAN30 9 2 6210.6 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.8 0.030 CANAAN30 9 3 6141.4 <A <A <A 35.0 34.9 -0.1 <A <A <A 36.4 36.1 -0.3
Cedar Breaks National Monument15 ASHDWN15 3 2 8805.8 <A <A <A 29.3 29.3 0.0 <A <A <A 31.8 30.8 -1.015 ASHDWN15 3 3 8735.3 <A <A <A 29.8 29.8 0.0 <A <A <A 31.2 31.2 0.015 ASHDWN15 4 2 9417.9 <A <A <A <A 29.1 0.0 <A <A <A 30.6 30.6 0.015 ASHDWN15 4 3 9530.9 <A <A <A 29.4 29.4 0.0 <A <A <A 30.8 30.8 0.0
Clover Mountains WSA44 CLOVER44 1 2 4795.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 3 4399 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 4 4789.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 5 5442.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 6 4754.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 1 7 5811.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 2 5607.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 3 5297.2 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 4 5259.6 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 5 5791.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 6 5266.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 2 7 6190.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 1 5756.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 2 5000 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 3 5397.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 4 6426.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 5 5784 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 6 6401.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 3 7 6386.1 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 3 5316.5 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 4 6018.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 5 6397 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 6 6528.2 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 4 7 6069.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 3 4912.8 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 4 5395.3 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 5 7027.6 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 5 6 6577.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 4 5374.9 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 5 5897.7 <A <A <A <A <A <A <A <A <A <A <A <A44 CLOVER44 6 6 6769.2 <A <A <A <A <A <A <A <A <A <A <A <A
Coral Pink Sand Dunes SP29 MOQMTN29 1 2 5983.1 <A <A <A 32.8 32.7 -0.1 <A <A <A 34.1 33.9 -0.229 MOQMTN29 1 3 6230.9 <A <A <A 33.0 33.1 0.0 <A <A <A 34.4 34.4 0.0
Cottonwood Point Wilderness16 COTTON16 1 2 4991 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.016 COTTON16 2 1 5160.6 <A <A <A 34.0 34.1 0.1 <A <A <A 35.5 36.0 0.516 COTTON16 2 2 6397 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.016 COTTON16 3 1 5200 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.0 -0.116 COTTON16 3 2 5381.9 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.016 COTTON16 4 1 5442.3 <A <A <A 33.4 33.4 -0.1 <A <A <A 34.8 34.7 -0.116 COTTON16 4 2 5801.6 <A <A <A 33.8 33.8 0.0 <A <A <A 35.2 35.2 0.0
Cottonwood WSA38 COTTON38 1 1 3969.5 <A <A <A 32.0 31.5 -0.6 <A <A <A 33.2 32.7 -0.538 COTTON38 1 2 4742.4 <A <A <A 31.4 31.6 0.1 <A <A <A 32.7 32.7 0.138 COTTON38 2 1 3361.1 <A <A <A 32.6 32.3 -0.2 <A <A <A 33.7 33.5 -0.238 COTTON38 2 2 3937.7 <A <A <A 31.2 31.9 0.7 <A <A <A 32.5 33.0 0.538 COTTON38 2 3 4211.3 <A <A <A 30.7 31.3 0.6 <A <A <A 32.0 32.5 0.538 COTTON38 3 1 3795 29.5 <A -0.4 33.1 32.8 -0.4 29.9 29.1 -0.8 34.2 33.9 -0.338 COTTON38 3 2 4227.3 <A <A <A 31.5 31.7 0.2 <A <A <A 32.8 32.9 0.138 COTTON38 3 3 4596 <A <A <A 30.9 31.2 0.2 <A <A <A 32.3 32.4 0.138 COTTON38 4 1 3512.2 31.7 29.6 -2.1 34.4 33.4 -1.0 32.0 30.0 -2.0 35.3 34.5 -0.838 COTTON38 4 2 3898.4 <A <A <A 32.0 32.2 0.1 <A <A <A 33.3 33.4 0.138 COTTON38 4 3 4426.9 <A <A <A 31.1 31.4 0.2 <A <A <A 32.5 32.7 0.238 COTTON38 5 1 3399 32.4 31.1 -1.3 35.0 34.3 -0.7 32.6 31.4 -1.2 35.8 35.3 -0.538 COTTON38 5 2 3794 <A <A <A 33.2 32.9 -0.3 29.3 <A -0.2 34.2 34.0 -0.238 COTTON38 5 3 4241.4 <A <A <A 31.6 32.0 0.4 <A <A <A 32.9 33.3 0.338 COTTON38 6 3 3415.9 <A <A <A 32.5 32.2 -0.4 <A <A <A 33.7 33.4 -0.3
Cougar Canyon WSA41 COUGAR41 2 2 4859.5 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 2 3 5169.8 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 1 4945.5 <A <A <A <A <A <A <A <A <A 29.3 29.3 0.041 COUGAR41 3 2 5425.9 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 3 3 6056 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 4 1 5019.2 <A <A <A <A <A <A <A <A <A 30.2 30.2 0.041 COUGAR41 4 2 5962.2 <A <A <A <A <A <A <A <A <A 29.5 29.5 0.041 COUGAR41 4 3 6266.4 <A <A <A <A <A <A <A <A <A <A <A <A41 COUGAR41 5 2 5822.7 <A <A <A <A <A <A <A <A <A 30.5 30.5 0.041 COUGAR41 5 3 6674.1 <A <A <A <A <A <A <A <A <A 30.0 30.0 0.042 COUGAR42 3 2 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 3 3 5797 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 4 1 6079.1 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 4 2 5597 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 5 1 6256.9 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 5 2 6390.3 <A <A <A <A <A <A <A <A <A <A <A <A42 COUGAR42 6 1 6710.8 <A <A <A <A <A <A <A <A <A 30.0 30.0 0.0
Deep Creek WSA35 DEEPCK35 1 1 6398.3 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.035 DEEPCK35 2 1 6261.1 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.0
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Net Change in Cumulative Noise DNL
> +10.0 dBA < -10.0 dBA
Replacement Airport
Cumulative Noise Cumulative Noise
Replacement Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Replacement Airport
Existing Ariport
Replacement Airport
Existing Ariport
Legend
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
2010 DNL 2020 DNL
Net Change in Project Noise DNL
SGU Noise Only
Net Change in Cumulative Noise DNL
Existing Ariport
Table B.21Noise Level Changes at 4f/303(c) PropertiesCumulative DNL - 2010/2020 none none
none none
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Net Change in Cumulative Noise DNL
> +10.0 dBA < -10.0 dBA
Replacement Airport
Cumulative Noise Cumulative Noise
Replacement Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Replacement Airport
Existing Ariport
Replacement Airport
Existing Ariport
Legend
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
2010 DNL 2020 DNL
Net Change in Project Noise DNL
SGU Noise Only
Net Change in Cumulative Noise DNL
Existing Ariport
35 DEEPCK35 2 2 6500.4 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.035 DEEPCK35 3 1 6397 <A <A <A 33.8 33.8 0.0 <A <A <A 35.2 35.3 0.035 DEEPCK35 3 2 6412.4 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.036 DEEPCK6 2 1 6505.1 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.036 DEEPCK6 2 2 7457.4 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.036 DEEPCK6 3 1 6405.7 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.036 DEEPCK6 3 2 6553.5 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.0
Gateway Corridor 2222 SOUTH22 1 1 5286.6 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.4 0.022 SOUTH22 1 2 5160.6 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.022 SOUTH22 2 1 5402.5 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.022 SOUTH22 2 2 5197.8 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.022 SOUTH22 3 1 5792.1 <A <A <A 35.0 35.0 0.0 <A <A <A 36.4 36.4 0.022 SOUTH22 3 2 6364.5 <A <A <A 34.9 34.9 0.0 <A <A <A 36.3 36.3 0.022 SOUTH22 4 1 6227.8 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.022 SOUTH22 4 2 6124.3 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.022 SOUTH22 5 1 6186.5 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.022 SOUTH22 5 2 6062 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.022 SOUTH22 6 1 6242.9 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.022 SOUTH22 6 2 6143.3 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.022 SOUTH22 7 1 6429.7 <A <A <A 31.2 31.2 0.0 <A <A <A 32.6 32.6 0.022 SOUTH22 7 2 6426 <A <A <A 31.7 31.7 0.0 <A <A <A 33.2 33.2 0.0
Gateway Corridor 2323 SOUTH23 1 1 6432.2 <A <A <A 31.2 31.2 0.0 <A <A <A 32.6 32.6 0.023 SOUTH23 1 2 6469.9 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 1 3 6742.8 <A <A <A 32.4 32.4 0.0 <A <A <A 33.8 33.8 0.023 SOUTH23 2 3 6281.3 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.023 SOUTH23 2 1 6409.6 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.023 SOUTH23 2 2 6288.1 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.023 SOUTH23 3 1 5834.5 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.023 SOUTH23 3 2 6009.7 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.023 SOUTH23 3 3 6009 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 4 1 5618.6 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.023 SOUTH23 4 2 5789.1 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.023 SOUTH23 4 3 5907 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 5 1 5863.9 <A <A <A 31.2 31.2 0.0 <A <A <A 32.6 32.6 0.023 SOUTH23 5 2 5689.7 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.023 SOUTH23 5 3 5759.3 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.023 SOUTH23 6 1 5990.4 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.023 SOUTH23 6 2 6149.5 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.023 SOUTH23 6 3 6047 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.0
Gateway Corridor 2424 SOUTH24 1 1 5997.9 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.024 SOUTH24 1 2 6139.6 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.024 SOUTH24 2 1 5986.8 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.024 SOUTH24 2 2 5890.8 <A <A <A 30.8 30.8 0.0 <A <A <A 32.2 32.2 0.024 SOUTH24 3 1 5854.7 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.024 SOUTH24 3 2 5800 <A <A <A 30.5 30.5 0.0 <A <A <A 32.0 32.0 0.024 SOUTH24 4 1 5800 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.024 SOUTH24 4 2 5800 <A <A <A 30.5 30.5 0.0 <A <A <A 32.0 32.0 0.024 SOUTH24 5 1 5800 <A <A <A 31.3 31.3 0.0 <A <A <A 32.7 32.7 0.024 SOUTH24 5 2 5741.8 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.024 SOUTH24 6 1 5742.5 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.024 SOUTH24 6 2 5600 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.024 SOUTH24 7 1 5594.6 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.024 SOUTH24 7 2 5400 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.024 SOUTH24 8 1 5497.8 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.024 SOUTH24 8 2 5400 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.024 SOUTH24 9 1 5600 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.024 SOUTH24 9 2 5470.5 <A <A <A 33.1 33.1 0.0 <A <A <A 34.5 34.5 0.024 SOUTH24 10 1 5698 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.024 SOUTH24 10 2 5607 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.024 SOUTH24 11 1 5800 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.024 SOUTH24 11 2 5698 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.0
Gateway Corridor 3232 EAST32 1 1 6051.3 <A <A <A 33.8 33.6 -0.2 <A <A <A 35.1 34.9 -0.232 EAST32 1 2 6197 <A <A <A 33.7 33.6 0.0 <A <A <A 35.1 35.1 0.032 EAST32 1 3 5827.6 <A <A <A 33.9 34.3 0.4 <A <A <A 35.3 35.6 0.332 EAST32 1 4 5908.9 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.032 EAST32 1 5 5809.4 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.0 0.032 EAST32 1 6 5458.6 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.032 EAST32 1 7 5451.6 <A <A <A 32.8 32.7 0.0 <A <A <A 34.1 34.1 0.032 EAST32 1 8 5721.7 <A <A <A 32.7 32.6 -0.1 <A <A <A 33.9 33.9 0.032 EAST32 1 9 6074.9 <A <A <A 33.4 33.4 0.0 <A <A <A 34.6 34.6 0.132 EAST32 2 1 5939.9 <A <A <A 33.5 33.2 -0.4 <A <A <A 34.8 34.5 -0.332 EAST32 2 2 6028.3 <A <A <A 33.4 33.4 0.0 <A <A <A 34.9 34.9 0.032 EAST32 2 3 6119.4 <A <A <A 33.8 34.2 0.3 <A <A <A 35.3 35.5 0.332 EAST32 2 4 6152.3 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.032 EAST32 2 5 6703.7 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.032 EAST32 2 6 6367.6 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.0 0.032 EAST32 2 7 6797 <A <A <A 33.3 33.2 -0.1 <A <A <A 34.7 34.7 0.032 EAST32 2 8 5976 <A <A <A 32.8 32.8 0.0 <A <A <A 34.1 34.1 0.032 EAST32 2 9 6091.7 <A <A <A 33.0 33.0 0.0 <A <A <A 34.3 34.3 0.1
Gateway Corridor 3333 EAST33 1 1 7465.1 <A <A <A 32.2 32.3 0.1 <A <A <A 33.6 33.6 0.033 EAST33 1 2 8147.6 <A <A <A 32.0 32.0 0.0 <A <A <A 33.8 33.3 -0.533 EAST33 1 3 8007.7 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.033 EAST33 1 4 8398 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.033 EAST33 1 5 8245.5 <A <A <A 33.3 33.4 0.1 <A <A <A 34.9 34.9 0.033 EAST33 1 6 8408 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.033 EAST33 1 7 8407.2 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.033 EAST33 1 8 8578 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.033 EAST33 2 1 7197.9 <A <A <A 32.6 32.7 0.0 <A <A <A 33.9 33.9 0.033 EAST33 2 2 7549 <A <A <A 32.1 32.5 0.3 <A <A <A 33.6 33.8 0.233 EAST33 2 3 7985.6 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.033 EAST33 2 4 7798 <A <A <A 32.4 32.4 0.0 <A <A <A 33.8 33.8 0.033 EAST33 2 5 8058.2 <A <A <A 33.1 33.2 0.0 <A <A <A 34.5 34.5 0.033 EAST33 2 6 8217.5 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.033 EAST33 2 7 8334.8 <A <A <A 33.8 33.8 0.0 <A <A <A 35.2 35.2 0.033 EAST33 2 8 8197.9 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.0
Goose Creek WSA12 ZION12 5 9 6135.4 <A <A <A 33.0 33.0 0.0 <A <A <A 34.5 34.5 0.0
Grand Canyon-Parashant NM2 PAIUTEW2 2 2 5195 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.4 0.02 PAIUTEW2 2 3 5835 <A <A <A 36.0 36.1 0.0 <A <A <A 37.4 37.4 0.02 PAIUTEW2 3 2 5396 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.02 PAIUTEW2 3 3 5820 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.02 PAIUTEW2 7 2 4839.5 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.02 PAIUTEW2 8 2 4991.9 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.0
23 SOUTH23 2 1 6409.6 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.023 SOUTH23 2 2 6288.1 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.023 SOUTH23 3 1 5834.5 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.023 SOUTH23 3 2 6009.7 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.023 SOUTH23 3 3 6009 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 4 1 5618.6 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.023 SOUTH23 4 2 5789.1 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.023 SOUTH23 4 3 5907 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.023 SOUTH23 5 1 5863.9 <A <A <A 31.2 31.2 0.0 <A <A <A 32.6 32.6 0.023 SOUTH23 5 2 5689.7 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.023 SOUTH23 5 3 5759.3 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.023 SOUTH23 6 3 6047 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.0
Grand Canyon-Parashant NM (West)2 PAIUTEW2 9 2 5196 <A <A <A 33.9 33.9 0.0 <A <A <A 35.3 35.3 0.02 PAIUTEW2 10 2 5348.1 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.0
21 PARASH21 1 1 2628.7 <A <A <A 37.1 37.1 0.0 <A <A <A 38.6 38.6 0.021 PARASH21 1 2 2960.4 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 1 3 4472.5 <A <A <A 36.4 36.4 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 1 4 4388.9 <A <A <A 36.4 36.4 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 2 1 2732.6 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.021 PARASH21 2 2 2991 <A <A <A 36.7 36.7 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 2 3 3351.4 <A <A <A 36.2 36.2 0.0 <A <A <A 37.7 37.7 0.021 PARASH21 2 4 3609.1 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.021 PARASH21 3 1 3060.2 <A <A <A 37.5 37.5 0.0 <A <A <A 39.0 39.0 0.021 PARASH21 3 2 3352.3 <A <A <A 36.8 36.8 0.0 <A <A <A 38.3 38.3 0.021 PARASH21 3 3 3461.7 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.021 PARASH21 3 4 3337.6 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.021 PARASH21 4 1 2474.3 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.021 PARASH21 4 2 2850.8 <A <A <A 37.1 37.1 0.0 <A <A <A 38.6 38.6 0.021 PARASH21 4 3 3101.4 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 4 4 3308.9 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.021 PARASH21 5 1 2600.2 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 5 2 2779.8 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.021 PARASH21 5 3 2973 <A <A <A 36.5 36.5 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 5 4 3118.8 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.021 PARASH21 6 1 2631.2 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 6 2 2734.1 <A <A <A 37.5 37.5 0.0 <A <A <A 39.0 39.0 0.021 PARASH21 6 3 3011.3 <A <A <A 36.8 36.8 0.0 <A <A <A 38.3 38.3 0.021 PARASH21 6 4 2970.1 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.021 PARASH21 7 1 2577.7 <A <A <A 38.0 38.0 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 7 2 2674.4 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.021 PARASH21 7 3 2839.7 <A <A <A 37.1 37.1 0.0 <A <A <A 38.6 38.6 0.021 PARASH21 7 4 3019.5 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.021 PARASH21 8 1 2747.6 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 8 2 2824 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 8 3 2999 <A <A <A 37.3 37.3 0.0 <A <A <A 38.7 38.7 0.021 PARASH21 8 4 2984.2 <A <A <A 36.6 36.6 0.0 <A <A <A 38.0 38.0 0.021 PARASH21 9 3 3117.6 <A <A <A 37.5 37.5 0.0 <A <A <A 38.9 38.9 0.021 PARASH21 9 4 2963.5 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.021 PARASH21 12 1 6466.1 <A <A <A 37.5 37.5 0.0 <A <A <A 39.0 39.0 0.021 PARASH21 12 2 6247.7 <A <A <A 38.0 38.0 0.0 <A <A <A 39.5 39.5 0.021 PARASH21 12 3 6143.4 <A <A <A 38.1 38.1 0.0 <A <A <A 39.6 39.6 0.021 PARASH21 12 4 4540.4 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.021 PARASH21 13 1 6257 <A <A <A 37.1 37.1 0.0 <A <A <A 38.5 38.5 0.021 PARASH21 13 2 5889.5 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.021 PARASH21 13 3 5761.2 <A <A <A 38.0 38.0 0.0 <A <A <A 39.5 39.5 0.021 PARASH21 13 4 5584.5 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 14 1 6256.5 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.021 PARASH21 14 2 5846.4 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.021 PARASH21 14 3 5059.4 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.021 PARASH21 14 4 5417.6 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 15 1 6040.8 <A <A <A 36.3 36.3 0.0 <A <A <A 37.8 37.8 0.021 PARASH21 15 2 5859.4 <A <A <A 37.0 37.0 0.0 <A <A <A 38.5 38.5 0.021 PARASH21 15 3 5757 <A <A <A 37.5 37.5 0.0 <A <A <A 38.9 38.9 0.0
Table B.21Noise Level Changes at 4f/303(c) PropertiesCumulative DNL - 2010/2020 none none
none none
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Net Change in Cumulative Noise DNL
> +10.0 dBA < -10.0 dBA
Replacement Airport
Cumulative Noise Cumulative Noise
Replacement Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Replacement Airport
Existing Ariport
Replacement Airport
Existing Ariport
Legend
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
2010 DNL 2020 DNL
Net Change in Project Noise DNL
SGU Noise Only
Net Change in Cumulative Noise DNL
Existing Ariport
21 PARASH21 15 4 6000.7 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.021 PARASH21 16 1 5759.9 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.021 PARASH21 16 2 5935 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.021 PARASH21 17 1 5943.9 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 1 1 4351.8 <A <A <A 36.4 36.4 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 1 2 4534 <A <A <A 36.4 36.4 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 1 3 5330.7 <A <A <A 36.4 36.4 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 1 4 4885.1 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 1 5 5209.9 <A <A <A 36.0 36.0 0.1 <A <A <A 37.5 37.5 0.01 PARSHAN1 1 6 6450.7 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 2 1 3596.9 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 2 2 3869.4 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 2 3 3918.5 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 2 4 3979.3 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 2 5 4410 <A <A <A 35.9 36.0 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 2 6 5176 <A <A <A 35.8 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 2 9 2878.3 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 3 1 3327.5 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 3 2 3610.6 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 3 3 3800.1 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 3 4 3933.7 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 3 5 4768.4 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 3 6 4172.7 <A <A <A 35.8 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 3 7 5373.8 <A <A <A 36.0 36.0 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 3 8 4669.2 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 4 1 3293.2 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 4 2 3542.1 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 4 3 3813.3 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 4 4 3801.2 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 4 5 4042.7 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 4 6 3905 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 4 7 4200.7 <A <A <A 35.8 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 4 8 4380 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 4 9 4382.5 <A <A <A 35.9 35.9 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 5 1 3106.5 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 5 2 3537.1 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 5 3 3775 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 5 4 3362.2 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 5 5 3891.1 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 5 6 3842.2 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 5 7 4211.7 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 5 8 4196 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 5 9 4995.7 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 6 1 2973.5 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 6 2 3449.6 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 6 3 3656.8 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 6 4 3848.4 <A <A <A 35.4 35.4 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 6 5 4255.6 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 6 6 4011.8 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 6 7 4404.7 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 6 8 4390.8 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 6 9 4802.3 <A <A <A 35.8 35.9 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 7 7 4103.7 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 7 8 4327.8 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.1 0.01 PARSHAN1 7 1 3007.7 <A <A <A 36.3 36.3 0.0 <A <A <A 37.7 37.7 0.01 PARSHAN1 7 2 3325.9 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 7 3 3701.5 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 7 4 4027.7 <A <A <A 35.3 35.3 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 7 5 4354.2 <A <A <A 35.3 35.3 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 7 6 4506.2 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 7 9 4850.6 <A <A <A 35.8 35.8 0.1 <A <A <A 37.3 37.3 0.01 PARSHAN1 8 7 4306.7 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 8 1 2980.3 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.01 PARSHAN1 8 2 3378.5 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 8 3 3646 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 8 4 4079.2 <A <A <A 35.2 35.2 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 8 5 4496.7 <A <A <A 35.1 35.1 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 8 6 4803.4 <A <A <A 35.2 35.2 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 8 9 5521.9 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.2 0.01 PARSHAN1 9 1 2972.6 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.01 PARSHAN1 9 2 3554.9 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 9 8 4488.5 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 9 3 3787.8 <A <A <A 35.6 35.6 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 9 4 4206 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 9 5 4350.8 <A <A <A 35.0 35.0 0.0 <A <A <A 36.4 36.4 0.01 PARSHAN1 9 6 4511.1 <A <A <A 34.9 34.9 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 9 7 5013 <A <A <A 35.0 35.0 0.0 <A <A <A 36.4 36.4 0.01 PARSHAN1 10 3 3841.1 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.01 PARSHAN1 10 4 4009.3 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 10 5 4240.7 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 10 6 4302.1 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 10 7 3949.4 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 10 8 4904.6 <A <A <A 34.8 34.8 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 10 9 4389 <A <A <A 35.0 35.0 0.0 <A <A <A 36.4 36.4 0.01 PARSHAN1 11 3 4157.8 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.01 PARSHAN1 11 4 4908.6 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 11 5 4355.1 <A <A <A 35.1 35.1 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 11 6 4738.8 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 11 7 4097.8 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.01 PARSHAN1 11 8 4186 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 11 9 4416 <A <A <A 34.5 34.5 0.0 <A <A <A 35.9 36.0 0.01 PARSHAN1 12 1 4518.7 <A <A <A 37.6 37.6 0.0 <A <A <A 39.1 39.1 0.01 PARSHAN1 12 2 4250.8 <A <A <A 37.1 37.1 0.0 <A <A <A 38.5 38.5 0.01 PARSHAN1 12 3 5561.7 <A <A <A 36.4 36.4 0.0 <A <A <A 37.8 37.8 0.01 PARSHAN1 12 4 5310.1 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.1 0.01 PARSHAN1 12 5 4635.5 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 12 6 5032.2 <A <A <A 34.9 34.9 0.0 <A <A <A 36.2 36.2 0.01 PARSHAN1 12 7 4210 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.01 PARSHAN1 12 8 4589.8 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 12 9 4960.5 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 13 1 5651.1 <A <A <A 37.9 37.9 0.0 <A <A <A 39.3 39.3 0.01 PARSHAN1 13 2 5356 <A <A <A 37.4 37.4 0.0 <A <A <A 38.9 38.9 0.01 PARSHAN1 13 3 5477.9 <A <A <A 36.6 36.6 0.0 <A <A <A 38.1 38.1 0.01 PARSHAN1 13 4 5167.7 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 13 5 4741.7 <A <A <A 35.4 35.4 0.0 <A <A <A 36.8 36.8 0.01 PARSHAN1 13 6 4848.1 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.01 PARSHAN1 13 7 4832.9 <A <A <A 34.5 34.5 0.0 <A <A <A 36.0 36.0 0.01 PARSHAN1 13 8 5196 <A <A <A 34.1 34.1 0.0 <A <A <A 35.5 35.5 0.01 PARSHAN1 13 9 4996 <A <A <A 33.8 33.9 0.0 <A <A <A 35.3 35.3 0.01 PARSHAN1 14 1 5529 <A <A <A 37.9 37.9 0.0 <A <A <A 39.3 39.3 0.01 PARSHAN1 14 2 5251.7 <A <A <A 37.5 37.5 0.0 <A <A <A 39.0 39.0 0.01 PARSHAN1 14 3 5712.7 <A <A <A 37.0 37.0 0.0 <A <A <A 38.5 38.5 0.01 PARSHAN1 14 4 5617.4 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 14 5 5248.8 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.01 PARSHAN1 14 6 5363.8 <A <A <A 35.1 35.1 0.0 <A <A <A 36.5 36.5 0.01 PARSHAN1 14 7 5010.8 <A <A <A 34.6 34.6 0.0 <A <A <A 36.1 36.1 0.01 PARSHAN1 14 8 5118.6 <A <A <A 34.1 34.1 0.0 <A <A <A 35.6 35.6 0.01 PARSHAN1 14 9 5196 <A <A <A 33.8 33.8 0.0 <A <A <A 35.2 35.2 0.01 PARSHAN1 15 1 6002.1 <A <A <A 37.7 37.7 0.0 <A <A <A 39.2 39.2 0.01 PARSHAN1 15 2 5804 <A <A <A 37.7 37.7 0.0 <A <A <A 39.1 39.1 0.01 PARSHAN1 15 3 5756.5 <A <A <A 37.2 37.2 0.0 <A <A <A 38.7 38.7 0.01 PARSHAN1 15 4 5597.2 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 15 5 5331.2 <A <A <A 35.8 35.8 0.0 <A <A <A 37.3 37.3 0.01 PARSHAN1 15 6 5229.5 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 15 7 5206.6 <A <A <A 34.8 34.8 0.0 <A <A <A 36.3 36.3 0.01 PARSHAN1 15 8 5126.3 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.01 PARSHAN1 16 3 5599 <A <A <A 37.3 37.3 0.0 <A <A <A 38.8 38.8 0.01 PARSHAN1 16 4 5445.1 <A <A <A 36.7 36.7 0.0 <A <A <A 38.1 38.1 0.01 PARSHAN1 16 5 5296.2 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.01 PARSHAN1 16 6 5308.2 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 16 7 5146 <A <A <A 35.0 35.0 0.0 <A <A <A 36.4 36.4 0.01 PARSHAN1 17 4 5437.2 <A <A <A 36.9 36.9 0.0 <A <A <A 38.4 38.4 0.01 PARSHAN1 17 5 5412.6 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.0
Grand Wash Cliffs Wilderness21 PARASH21 8 1 2747.6 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 8 2 2824 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 8 3 2999 <A <A <A 37.3 37.3 0.0 <A <A <A 38.7 38.7 0.021 PARASH21 9 3 3117.6 <A <A <A 37.5 37.5 0.0 <A <A <A 38.9 38.9 0.021 PARASH21 9 4 2963.5 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.021 PARASH21 9 1 3393.7 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 9 2 3189.6 <A <A <A 37.9 37.9 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 10 1 4732.9 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 10 2 4428 <A <A <A 38.1 38.1 0.0 <A <A <A 39.5 39.5 0.021 PARASH21 10 3 4622.3 <A <A <A 37.8 37.8 0.0 <A <A <A 39.3 39.3 0.021 PARASH21 10 4 4394.5 <A <A <A 37.2 37.2 0.0 <A <A <A 38.7 38.7 0.021 PARASH21 11 1 5083.5 <A <A <A 37.7 37.7 0.0 <A <A <A 39.1 39.1 0.021 PARASH21 11 2 5018.3 <A <A <A 38.1 38.1 0.0 <A <A <A 39.5 39.5 0.021 PARASH21 11 3 4988.8 <A <A <A 37.9 37.9 0.0 <A <A <A 39.4 39.4 0.021 PARASH21 11 4 4438.2 <A <A <A 37.5 37.5 0.0 <A <A <A 39.0 39.0 0.01 PARSHAN1 9 1 2972.6 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.01 PARSHAN1 9 2 3554.9 <A <A <A 36.1 36.1 0.0 <A <A <A 37.6 37.6 0.01 PARSHAN1 10 1 4395.3 <A <A <A 37.2 37.2 0.0 <A <A <A 38.7 38.7 0.01 PARSHAN1 10 2 3359.6 <A <A <A 36.4 36.4 0.0 <A <A <A 37.9 37.9 0.01 PARSHAN1 11 1 4438.7 <A <A <A 37.5 37.5 0.0 <A <A <A 39.0 39.0 0.01 PARSHAN1 11 2 3910.4 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.0
Gunlock SP40 REDMTN40 1 2 3595 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.040 REDMTN40 1 3 3795 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.040 REDMTN40 2 2 4785.8 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.040 REDMTN40 2 3 3958.2 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.0
Iron Mission State Park Museum14 PAIUTE14 3 3 5797 <A <A <A 29.7 29.7 0.0 <A <A <A 31.1 31.2 0.1
Joshua Tree Instant Study Area4 BEAVER4 1 7 3374 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.04 BEAVER4 2 7 4567.8 <A <A <A 34.3 34.2 0.0 <A <A <A 35.6 35.6 0.04 BEAVER4 2 8 4674.8 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.0
Kaibab Indian Reservation17 KAIBAB17 1 1 4808.2 <A <A <A 32.9 32.9 0.0 <A <A <A 34.3 34.3 0.017 KAIBAB17 1 2 4911.2 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.017 KAIBAB17 1 3 5254.4 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.017 KAIBAB17 1 4 5750.2 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.017 KAIBAB17 1 5 5766.8 <A <A <A 32.4 32.6 0.2 <A <A <A 33.9 34.1 0.217 KAIBAB17 1 6 5811.7 <A <A <A 33.3 33.2 -0.1 <A <A <A 34.6 34.4 -0.2
Table B.21Noise Level Changes at 4f/303(c) PropertiesCumulative DNL - 2010/2020 none none
none none
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Net Change in Cumulative Noise DNL
> +10.0 dBA < -10.0 dBA
Replacement Airport
Cumulative Noise Cumulative Noise
Replacement Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Replacement Airport
Existing Ariport
Replacement Airport
Existing Ariport
Legend
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
2010 DNL 2020 DNL
Net Change in Project Noise DNL
SGU Noise Only
Net Change in Cumulative Noise DNL
Existing Ariport
17 KAIBAB17 1 7 5714.3 <A <A <A 33.3 33.3 0.0 <A <A <A 34.7 34.7 0.017 KAIBAB17 1 8 5726.4 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.017 KAIBAB17 2 1 4760.5 <A <A <A 33.1 33.1 0.0 <A <A <A 34.5 34.5 0.017 KAIBAB17 2 2 4896.2 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.017 KAIBAB17 2 3 5505.5 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.9 0.017 KAIBAB17 2 4 5649.7 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.017 KAIBAB17 2 5 6203.4 <A <A <A 32.4 32.4 0.0 <A <A <A 33.9 33.9 0.017 KAIBAB17 2 6 6330.8 <A <A <A 34.0 33.7 -0.2 <A <A <A 35.1 34.7 -0.417 KAIBAB17 2 7 6196.9 <A <A <A 32.9 32.9 0.0 <A <A <A 34.3 34.3 0.017 KAIBAB17 2 8 5993.8 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.017 KAIBAB17 3 2 4844.7 <A <A <A 32.9 32.9 0.0 <A <A <A 34.3 34.3 0.017 KAIBAB17 3 3 4987.1 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.017 KAIBAB17 3 1 4714.3 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.017 KAIBAB17 3 4 5657.2 <A <A <A 32.3 32.4 0.1 <A <A <A 33.8 33.8 0.017 KAIBAB17 3 5 5204.5 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.017 KAIBAB17 3 6 5997.9 31.7 31.3 -0.4 34.9 34.8 -0.2 31.8 32.8 1.0 35.8 36.2 0.417 KAIBAB17 3 7 6013.2 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.017 KAIBAB17 3 8 5801.7 <A <A <A 32.7 32.7 0.0 <A <A <A 34.1 34.1 0.017 KAIBAB17 4 2 4825.3 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.017 KAIBAB17 4 3 5095.9 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.017 KAIBAB17 4 7 5729.6 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.017 KAIBAB17 4 1 4593.8 <A <A <A 33.5 33.5 0.0 <A <A <A 34.9 34.9 0.017 KAIBAB17 4 4 5000 <A <A <A 32.3 32.4 0.1 <A <A <A 33.7 34.5 0.717 KAIBAB17 4 5 5563.6 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.017 KAIBAB17 4 6 5779.1 <A <A <A 33.4 33.3 -0.1 <A <A <A 34.6 34.3 -0.217 KAIBAB17 4 8 5725 <A <A <A 32.2 32.2 0.0 <A <A <A 33.7 33.6 0.017 KAIBAB17 5 7 5433.5 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.017 KAIBAB17 5 1 4550 <A <A <A 33.7 33.7 0.0 <A <A <A 35.1 35.1 0.017 KAIBAB17 5 2 4592.8 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.017 KAIBAB17 5 3 4749.7 <A <A <A 32.9 33.0 0.0 <A <A <A 34.3 34.3 0.017 KAIBAB17 5 4 5050.9 <A <A <A 32.5 32.5 0.1 <A <A <A 33.9 33.9 0.017 KAIBAB17 5 5 5150.7 <A <A <A 32.2 32.1 0.0 <A <A <A 33.5 33.5 0.017 KAIBAB17 5 6 5212.9 <A <A <A 32.7 32.6 -0.1 <A <A <A 33.9 33.8 -0.117 KAIBAB17 5 8 6766.7 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.4 0.017 KAIBAB17 6 1 4557 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.017 KAIBAB17 6 2 4598.2 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.017 KAIBAB17 6 3 4834.4 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.017 KAIBAB17 6 4 5000 <A <A <A 32.7 32.7 0.0 <A <A <A 34.1 34.1 0.017 KAIBAB17 6 5 5000 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.017 KAIBAB17 6 6 5008 <A <A <A 32.4 32.3 -0.1 <A <A <A 33.7 33.6 -0.117 KAIBAB17 6 7 5337.6 <A <A <A 31.7 31.7 0.0 <A <A <A 33.2 33.1 0.017 KAIBAB17 6 8 5972.2 <A <A <A 32.0 31.9 -0.1 <A <A <A 33.3 33.1 -0.328 KAIBAB28 1 1 4559.4 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.028 KAIBAB28 1 2 4599.3 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.028 KAIBAB28 1 3 4842.4 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.028 KAIBAB28 1 4 5000 <A <A <A 32.6 32.6 0.0 <A <A <A 34.1 34.1 0.028 KAIBAB28 1 5 5000 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.028 KAIBAB28 1 6 5028.2 <A <A <A 32.3 32.3 -0.1 <A <A <A 33.7 33.6 -0.128 KAIBAB28 1 7 5344.9 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.028 KAIBAB28 1 8 5862.2 <A <A <A 32.1 32.0 -0.1 <A <A <A 33.4 33.0 -0.328 KAIBAB28 2 1 4547.9 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.028 KAIBAB28 2 2 4586 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.028 KAIBAB28 2 3 4749.6 <A <A <A 33.4 33.4 0.1 <A <A <A 34.8 35.2 0.328 KAIBAB28 2 4 4991.3 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.028 KAIBAB28 2 5 5003.3 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.7 0.028 KAIBAB28 2 6 5020.5 <A <A <A 32.1 32.0 0.0 <A <A <A 33.5 33.4 -0.128 KAIBAB28 2 7 5134.9 <A <A <A 31.6 31.6 0.0 <A <A <A 33.0 33.0 0.028 KAIBAB28 2 8 5295.3 <A <A <A 32.1 31.9 -0.2 <A 31.4 2.3 33.4 35.1 1.728 KAIBAB28 3 1 4500.8 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.0 0.028 KAIBAB28 3 2 4501 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.0 0.028 KAIBAB28 3 3 4556 <A <A <A 33.3 33.4 0.0 <A <A <A 34.8 34.8 0.028 KAIBAB28 3 4 4778.4 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.028 KAIBAB28 3 5 4799 <A <A <A 32.5 32.5 0.0 <A <A <A 33.9 33.9 -0.128 KAIBAB28 3 6 4887.6 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.4 -0.128 KAIBAB28 3 7 4924.3 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.1 -0.128 KAIBAB28 3 8 5149.7 <A <A <A 31.9 31.7 -0.1 <A <A <A 33.1 33.1 0.0
Kaibab National Forest 25 KAIFST25 1 4 5600 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.025 KAIFST25 1 3 5669.8 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.025 KAIFST25 2 3 4200.2 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.024 SOUTH24 9 1 5600 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.024 SOUTH24 9 2 5470.5 <A <A <A 33.1 33.1 0.0 <A <A <A 34.5 34.5 0.024 SOUTH24 10 1 5698 <A <A <A 33.9 33.9 0.0 <A <A <A 35.4 35.4 0.024 SOUTH24 10 2 5607 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.024 SOUTH24 11 1 5800 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.024 SOUTH24 11 2 5698 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.0
Kanab Creek Wilderness25 KAIFST25 1 4 5600 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.025 KAIFST25 1 5 5567.4 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.025 KAIFST25 1 6 4216.8 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.025 KAIFST25 2 3 4200.2 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.025 KAIFST25 2 4 3918.2 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.025 KAIFST25 2 5 3771.9 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.025 KAIFST25 2 6 3398 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.025 KAIFST25 3 3 4002 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.025 KAIFST25 3 4 3957 <A <A <A 32.1 32.1 0.0 <A <A <A 33.6 33.6 0.025 KAIFST25 3 5 4184.9 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.025 KAIFST25 3 6 3824.3 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.026 KANCRK26 2 1 5171.3 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.026 KANCRK26 2 2 4749.9 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.026 KANCRK26 3 1 4600.7 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.026 KANCRK26 3 2 5036.6 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.026 KANCRK26 4 1 3398 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.026 KANCRK26 4 2 5196.7 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.026 KANCRK26 5 1 3768.4 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.026 KANCRK26 5 2 3617.9 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.027 KANCRK27 1 1 3624 <A <A <A 30.6 30.6 0.0 <A <A <A 32.1 32.1 0.027 KANCRK27 1 2 5212.1 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.027 KANCRK27 1 3 5213.6 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.027 KANCRK27 1 4 5099.3 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.027 KANCRK27 2 1 3827.8 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.027 KANCRK27 2 2 3794 <A <A <A 30.7 30.7 0.0 <A <A <A 32.2 32.2 0.027 KANCRK27 2 3 3923.2 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.027 KANCRK27 2 4 4802.7 <A <A <A 30.9 30.9 0.0 <A <A <A 32.4 32.4 0.0
Lake Mead National Recreation Area46 LKMEAD46 1 1 1617.3 <A <A <A 38.7 38.7 0.0 <A <A <A 40.1 40.1 0.046 LKMEAD46 1 2 1930.2 <A <A <A 39.1 39.1 0.0 <A <A <A 40.5 40.5 0.046 LKMEAD46 2 1 1283 <A <A <A 38.3 38.3 0.0 <A <A <A 39.7 39.7 0.046 LKMEAD46 2 2 1317.2 <A <A <A 38.7 38.7 0.0 <A <A <A 40.0 40.0 0.046 LKMEAD46 2 3 1339 <A <A <A 39.1 39.1 0.0 <A <A <A 40.5 40.5 0.046 LKMEAD46 2 4 1375.5 <A <A <A 39.4 39.4 0.0 <A <A <A 40.7 40.7 0.046 LKMEAD46 3 1 1542.3 <A <A <A 37.9 37.9 0.0 <A <A <A 39.3 39.3 0.046 LKMEAD46 3 2 2062.9 <A <A <A 38.3 38.3 0.0 <A <A <A 39.7 39.7 0.046 LKMEAD46 3 3 1809.8 <A <A <A 38.7 38.6 0.0 <A <A <A 40.0 40.0 0.046 LKMEAD46 3 4 1447.8 <A <A <A 39.1 39.1 0.0 <A <A <A 40.5 40.5 0.046 LKMEAD46 4 1 1677.1 <A <A <A 37.6 37.6 0.0 <A <A <A 39.0 39.0 0.047 LKMEAD47 1 1 1299.8 <A <A <A 38.0 38.0 0.0 <A <A <A 39.3 39.3 0.047 LKMEAD47 1 2 1312 <A <A <A 38.2 38.2 0.0 <A <A <A 39.6 39.6 0.047 LKMEAD47 1 3 1240.8 <A <A <A 38.3 38.3 0.0 <A <A <A 39.7 39.7 0.047 LKMEAD47 1 4 1604.5 <A <A <A 38.8 38.8 0.0 <A <A <A 40.1 40.1 0.047 LKMEAD47 2 1 1079 <A <A <A 37.6 37.6 0.0 <A <A <A 39.0 39.0 0.047 LKMEAD47 2 2 1079 <A <A <A 37.7 37.7 0.0 <A <A <A 39.1 39.1 0.047 LKMEAD47 2 3 1265.6 <A <A <A 37.9 37.9 0.0 <A <A <A 39.3 39.3 0.047 LKMEAD47 2 4 1281.6 <A <A <A 38.3 38.3 0.0 <A <A <A 39.7 39.7 0.047 LKMEAD47 3 1 1242.2 <A <A <A 37.3 37.3 0.0 <A <A <A 38.6 38.6 0.047 LKMEAD47 3 2 1432.7 <A <A <A 37.3 37.3 0.0 <A <A <A 38.7 38.7 0.047 LKMEAD47 3 3 1443.8 <A <A <A 37.7 37.7 0.0 <A <A <A 39.0 39.0 0.047 LKMEAD47 3 4 1537.2 <A <A <A 37.9 37.9 0.0 <A <A <A 39.3 39.3 0.047 LKMEAD47 4 1 1658.1 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.047 LKMEAD47 4 2 1597.3 <A <A <A 37.0 37.1 0.0 <A <A <A 38.4 38.4 0.047 LKMEAD47 4 3 1611.9 <A <A <A 37.3 37.4 0.0 <A <A <A 38.7 38.7 0.047 LKMEAD47 4 4 1675 <A <A <A 37.6 37.6 0.0 <A <A <A 39.0 39.0 0.047 LKMEAD47 5 3 1967.4 <A <A <A 37.1 37.1 0.0 <A <A <A 38.5 38.5 0.0
La Varkin Creek WSA19 ZION19 1 2 6517.5 <A <A <A 31.3 31.2 -0.1 <A <A <A 32.7 32.7 -0.119 ZION19 1 3 6653.9 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.0
Lime Canyon WSA47 LKMEAD47 4 1 1658.1 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.047 LKMEAD47 4 2 1597.3 <A <A <A 37.0 37.1 0.0 <A <A <A 38.4 38.4 0.047 LKMEAD47 5 1 2599.1 <A <A <A 36.7 36.7 0.0 <A <A <A 38.1 38.1 0.047 LKMEAD47 5 2 1816 <A <A <A 36.9 36.9 0.0 <A <A <A 38.3 38.3 0.047 LKMEAD47 6 1 2167.1 <A <A <A 36.8 36.8 0.0 <A <A <A 38.2 38.2 0.0
Moquith Mountains WSA17 KAIBAB17 4 7 5729.6 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.017 KAIBAB17 5 7 5433.5 <A <A <A 31.9 31.9 0.0 <A <A <A 33.3 33.3 0.029 MOQMTN29 1 2 5983.1 <A <A <A 32.8 32.7 -0.1 <A <A <A 34.1 33.9 -0.229 MOQMTN29 1 3 6230.9 <A <A <A 33.0 33.1 0.0 <A <A <A 34.4 34.4 0.029 MOQMTN29 1 1 5819.2 <A <A <A 32.0 32.0 0.0 <A <A <A 33.5 33.4 -0.129 MOQMTN29 2 1 6822.5 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.2 -0.129 MOQMTN29 2 2 6665.9 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.3 -0.129 MOQMTN29 2 3 6605.7 <A <A <A 32.4 32.5 0.0 <A <A <A 33.9 33.9 0.029 MOQMTN29 2 4 6431.1 <A <A <A 33.1 33.1 0.0 <A <A <A 34.6 34.6 0.029 MOQMTN29 3 1 5448.3 <A <A <A 32.1 31.9 -0.2 <A <A <A 33.3 33.3 0.029 MOQMTN29 3 2 6393 <A <A <A 31.5 31.5 0.0 <A <A <A 33.0 33.0 0.029 MOQMTN29 3 3 6428.9 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.029 MOQMTN29 3 4 6197 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.029 MOQMTN29 3 5 6042.3 <A <A <A 33.8 33.5 -0.3 <A <A <A 35.1 34.9 -0.229 MOQMTN29 4 1 5185.9 <A <A <A 32.0 31.9 -0.2 <A 29.3 0.2 33.2 34.2 1.029 MOQMTN29 4 2 5959.1 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.029 MOQMTN29 4 3 6199.3 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.8 0.0
Morman Mountains WSA45 WEST45 1 1 3097.5 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.045 WEST45 1 2 3506.5 <A <A <A 32.1 32.1 0.0 <A <A <A 33.5 33.5 0.045 WEST45 1 3 3989.1 <A <A <A 31.2 31.2 0.0 <A <A <A 32.7 32.7 0.045 WEST45 1 4 3966.5 <A <A <A 30.4 30.4 0.0 <A <A <A 31.9 31.9 0.045 WEST45 1 5 5001.5 <A <A <A 29.8 29.8 0.0 <A <A <A 31.3 31.3 0.045 WEST45 1 6 3795 <A <A <A 29.3 29.3 0.0 <A <A <A 30.8 30.8 0.045 WEST45 1 7 4177.3 <A <A <A <A <A <A <A <A <A 30.1 30.1 0.045 WEST45 1 8 4622.5 <A <A <A <A <A <A <A <A <A 29.7 29.7 0.045 WEST45 1 9 3659.6 <A <A <A <A <A <A <A <A <A 29.4 29.4 0.045 WEST45 1 10 3365.3 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 1 11 3334.6 <A <A <A <A <A <A <A <A <A <A <A <A45 WEST45 2 2 3416.3 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.0
Table B.21Noise Level Changes at 4f/303(c) PropertiesCumulative DNL - 2010/2020 none none
none none
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Net Change in Cumulative Noise DNL
> +10.0 dBA < -10.0 dBA
Replacement Airport
Cumulative Noise Cumulative Noise
Replacement Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Replacement Airport
Existing Ariport
Replacement Airport
Existing Ariport
Legend
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
2010 DNL 2020 DNL
Net Change in Project Noise DNL
SGU Noise Only
Net Change in Cumulative Noise DNL
Existing Ariport
45 WEST45 2 3 3601.2 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.8 0.045 WEST45 2 4 3398 <A <A <A 31.6 31.6 0.0 <A <A <A 33.1 33.1 0.045 WEST45 2 5 3387.7 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.045 WEST45 2 6 3413.6 <A <A <A 30.2 30.2 0.0 <A <A <A 31.6 31.6 0.045 WEST45 2 7 3578 <A <A <A 29.6 29.6 0.0 <A <A <A 31.0 31.0 0.045 WEST45 2 8 3414.6 <A <A <A <A <A <A <A <A <A 30.4 30.4 0.045 WEST45 2 9 3198 <A <A <A <A <A <A <A <A <A 29.9 29.9 0.045 WEST45 2 10 3198.6 <A <A <A <A <A <A <A <A <A 29.5 29.5 0.045 WEST45 3 6 3347.2 <A <A <A 31.1 31.1 0.0 <A <A <A 32.6 32.6 0.045 WEST45 3 7 3182.5 <A <A <A 30.4 30.4 0.0 <A <A <A 31.9 31.9 0.045 WEST45 3 8 3011.9 <A <A <A 29.8 29.8 0.0 <A <A <A 31.2 31.2 0.045 WEST45 3 9 3159 <A <A <A 29.1 29.1 0.0 <A <A <A 30.6 30.6 0.0
Mount Trumbull Wilderness23 SOUTH23 1 1 6432.2 <A <A <A 31.2 31.2 0.0 <A <A <A 32.6 32.6 0.023 SOUTH23 2 1 6409.6 <A <A <A 30.8 30.8 0.0 <A <A <A 32.3 32.3 0.023 SOUTH23 3 1 5834.5 <A <A <A 30.7 30.7 0.0 <A <A <A 32.1 32.1 0.0
North Fork Virgin River WSA35 DEEPCK35 4 1 6531 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.035 DEEPCK35 5 1 6132 <A <A <A 33.6 33.7 0.0 <A <A <A 35.1 35.1 0.034 ORDERV34 1 4 6097.2 <A <A <A 33.6 33.6 0.1 <A <A <A 35.1 35.1 0.034 ORDERV34 1 5 6564.9 <A <A <A 33.8 33.8 0.0 <A <A <A 35.3 35.3 0.034 ORDERV34 2 4 6187.9 <A <A <A 33.2 33.2 0.1 <A <A <A 34.7 34.7 0.034 ORDERV34 2 5 6150.9 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.0
Orderville Canyon WSA34 ORDERV34 1 2 5613.5 <A <A <A 32.8 32.8 0.1 <A <A <A 34.2 34.2 0.034 ORDERV34 1 3 6168.3 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.034 ORDERV34 2 2 6681.3 <A <A <A 32.8 33.3 0.5 <A <A <A 34.2 34.2 0.034 ORDERV34 2 3 5805 <A <A <A 32.8 32.8 0.0 <A <A <A 34.2 34.2 0.0
Shivwits Paiute Indian Reservation5 PAIUTEW5 1 1 5404.1 <A <A <A 34.4 34.4 0.0 <A <A <A 35.9 35.9 0.05 PAIUTEW5 1 2 5534.5 <A <A <A 35.0 35.0 0.0 <A <A <A 36.5 36.5 0.05 PAIUTEW5 1 3 5734 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.05 PAIUTEW5 1 4 4794 <A <A <A 36.4 36.3 0.0 <A <A <A 37.8 37.8 0.05 PAIUTEW5 1 5 4435.6 <A <A <A 36.7 36.7 0.0 <A <A <A 38.2 38.2 0.05 PAIUTEW5 2 1 4397.5 <A <A <A 33.2 33.2 0.0 <A <A <A 34.7 34.7 0.05 PAIUTEW5 2 2 4263.1 <A <A <A 33.7 33.7 0.0 <A <A <A 35.2 35.2 0.05 PAIUTEW5 2 3 4639.8 <A <A <A 34.4 34.3 0.0 <A <A <A 35.8 35.8 0.05 PAIUTEW5 2 4 4069.6 <A <A <A 35.1 35.0 0.0 <A <A <A 36.4 36.4 0.05 PAIUTEW5 2 5 3992.7 <A <A <A 35.7 35.6 0.0 <A <A <A 37.1 37.1 0.05 PAIUTEW5 3 1 4055.1 <A <A <A 32.3 32.3 0.0 <A <A <A 33.8 33.7 0.05 PAIUTEW5 3 2 3899.4 <A <A <A 32.9 32.8 -0.1 <A <A <A 34.3 34.2 -0.15 PAIUTEW5 3 3 3705 <A <A <A 33.7 33.4 -0.3 <A <A <A 35.0 34.8 -0.25 PAIUTEW5 3 4 3452 <A <A <A 34.0 33.9 -0.1 <A <A <A 35.4 35.3 -0.15 PAIUTEW5 3 5 3786.5 <A <A <A 34.6 34.6 0.0 <A <A <A 36.0 36.0 0.05 PAIUTEW5 4 1 3784 <A <A <A 32.0 31.8 -0.2 <A <A <A 33.2 33.1 -0.15 PAIUTEW5 4 2 3595 <A <A <A 33.2 32.4 -0.8 <A <A <A 34.3 33.7 -0.65 PAIUTEW5 4 3 3945.1 <A <A <A 32.9 32.5 -0.4 <A <A <A 34.2 33.9 -0.35 PAIUTEW5 4 4 3411.7 <A <A <A 32.9 32.8 -0.1 <A <A <A 34.3 34.2 -0.15 PAIUTEW5 4 5 4513.1 <A <A <A 33.3 33.3 0.0 <A <A <A 34.8 34.8 0.05 PAIUTEW5 5 1 3448.2 <A <A <A 32.2 31.5 -0.6 <A <A <A 33.4 32.9 -0.55 PAIUTEW5 5 2 3226.4 <A <A <A 32.8 31.8 -1.1 <A <A <A 33.9 33.0 -0.85 PAIUTEW5 5 3 3198 <A <A <A 31.8 31.6 -0.2 <A <A <A 33.2 33.1 -0.15 PAIUTEW5 5 4 3356.7 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.05 PAIUTEW5 5 5 4916.2 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.7 0.0
Cedar City Paiute Indian Reservation14 PAIUTE14 1 1 5495 <A <A <A 35.5 35.4 -0.1 <A <A <A 33.5 33.6 0.114 PAIUTE14 1 2 5482 29.8 29.7 -0.1 35.8 35.5 -0.2 29.9 30.0 0.1 33.9 34.0 0.014 PAIUTE14 2 1 6356.4 <A <A <A 36.2 36.0 -0.2 <A <A <A 32.1 32.2 0.114 PAIUTE14 2 2 5993.7 <A <A <A 35.3 35.3 0.0 <A <A <A 32.0 32.1 0.114 PAIUTE14 3 1 6498.6 <A <A <A 35.9 35.9 0.0 <A <A <A 31.7 31.7 0.114 PAIUTE14 3 2 5974.5 <A <A <A 36.0 36.1 0.0 <A <A <A 31.0 31.1 0.1
Paiute Wilderness4 BEAVER4 1 1 2565.2 <A <A <A 35.9 35.8 -0.1 <A <A <A 37.2 37.1 0.04 BEAVER4 1 2 1992.4 <A <A <A 35.7 35.6 -0.1 <A <A <A 37.0 37.0 -0.14 BEAVER4 2 1 5616.8 <A <A <A 35.9 35.8 -0.1 <A <A <A 37.2 37.2 -0.14 BEAVER4 2 2 3792 30.0 <A -0.9 36.3 36.1 -0.2 30.1 29.1 -1.0 37.5 37.3 -0.24 BEAVER4 3 1 4967.7 <A <A <A 35.8 35.5 -0.2 <A <A <A 37.1 37.0 -0.24 BEAVER4 3 2 4035.5 <A <A <A 35.8 35.5 -0.3 <A <A <A 37.1 36.9 -0.34 BEAVER4 3 3 2451.7 29.7 <A -0.6 36.0 35.8 -0.3 29.8 <A -0.7 37.2 37.0 -0.24 BEAVER4 3 8 6307.2 <A <A <A 33.5 33.5 0.0 <A <A <A 35.0 35.0 0.04 BEAVER4 4 4 2398 <A <A <A 35.6 35.5 -0.1 <A <A <A 36.9 36.8 -0.14 BEAVER4 4 1 4963.6 <A <A <A 35.5 35.4 -0.1 <A <A <A 36.9 36.8 -0.14 BEAVER4 4 2 4376 <A <A <A 35.6 35.3 -0.3 <A <A <A 36.9 36.7 -0.24 BEAVER4 5 1 5795.5 <A <A <A 35.5 35.5 0.0 <A <A <A 37.0 37.0 0.04 BEAVER4 5 2 5400 <A <A <A 35.5 35.4 -0.1 <A <A <A 36.9 36.8 -0.14 BEAVER4 5 3 4352.6 <A <A <A 35.8 35.5 -0.2 <A <A <A 37.0 36.9 -0.24 BEAVER4 5 4 2606.1 31.1 30.3 -0.8 36.2 36.0 -0.2 31.3 30.4 -0.9 37.4 37.1 -0.24 BEAVER4 6 3 4392 <A <A <A 35.3 35.3 0.0 <A <A <A 36.7 36.7 0.02 PAIUTEW2 2 2 5195 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.4 0.02 PAIUTEW2 2 3 5835 <A <A <A 36.0 36.1 0.0 <A <A <A 37.4 37.4 0.02 PAIUTEW2 2 1 4894.4 <A <A <A 35.8 35.9 0.0 <A <A <A 37.3 37.3 0.02 PAIUTEW2 2 4 5768.7 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.02 PAIUTEW2 3 2 5396 <A <A <A 35.9 35.9 0.0 <A <A <A 37.4 37.4 0.02 PAIUTEW2 3 3 5820 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.02 PAIUTEW2 3 1 4885.1 <A <A <A 35.8 35.8 0.1 <A <A <A 37.2 37.2 0.02 PAIUTEW2 3 4 7483.9 <A <A <A 36.2 36.3 0.1 <A <A <A 37.6 37.6 0.02 PAIUTEW2 4 1 5283.6 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.1 0.02 PAIUTEW2 4 2 4910.7 <A <A <A 35.8 35.8 0.1 <A <A <A 37.3 37.3 0.02 PAIUTEW2 4 3 6136.9 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.02 PAIUTEW2 4 4 7072.1 <A <A <A 36.2 36.3 0.1 <A <A <A 37.7 37.7 0.12 PAIUTEW2 5 1 4589 <A <A <A 35.3 35.3 0.0 <A <A <A 36.8 36.8 0.02 PAIUTEW2 5 2 4881.5 <A <A <A 35.5 35.5 0.0 <A <A <A 36.9 37.0 0.02 PAIUTEW2 5 3 6774.8 <A <A <A 36.0 36.0 0.1 <A <A <A 37.5 37.5 -0.12 PAIUTEW2 5 4 7086.1 <A <A <A 36.3 36.2 0.0 <A <A <A 37.7 37.7 0.02 PAIUTEW2 6 1 4386.1 <A <A <A 34.9 34.9 0.0 <A <A <A 36.4 36.4 0.02 PAIUTEW2 6 2 4598.8 <A <A <A 35.2 35.2 0.0 <A <A <A 36.6 36.6 0.02 PAIUTEW2 6 3 5105.9 <A <A <A 35.4 35.5 0.1 <A <A <A 36.9 36.9 0.02 PAIUTEW2 6 4 5803.7 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.02 PAIUTEW2 7 2 4839.5 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.02 PAIUTEW2 7 3 5736.6 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.02 PAIUTEW2 7 4 6447.5 <A <A <A 35.5 35.6 0.1 <A <A <A 37.0 37.1 0.02 PAIUTEW2 8 2 4991.9 <A <A <A 34.2 34.2 0.0 <A <A <A 35.6 35.6 0.02 PAIUTEW2 8 3 5597 <A <A <A 34.6 34.6 0.0 <A <A <A 35.9 35.9 0.02 PAIUTEW2 8 4 5165.8 <A <A <A 34.8 34.9 0.0 <A <A <A 36.3 36.3 0.02 PAIUTEW2 9 3 5017.6 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.03 PAIUTEW3 1 1 3733.6 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.1 0.03 PAIUTEW3 1 2 2782.7 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.03 PAIUTEW3 2 1 5796 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.03 PAIUTEW3 2 2 3631 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.1 0.03 PAIUTEW3 2 3 3031.5 <A <A <A 35.6 35.6 -0.1 <A <A <A 37.0 37.0 0.03 PAIUTEW3 2 4 2586 <A <A <A 35.9 35.8 0.0 <A <A <A 37.2 37.2 0.03 PAIUTEW3 2 5 2176 <A <A <A 35.8 35.7 0.0 <A <A <A 37.1 37.1 0.03 PAIUTEW3 3 1 7432.7 <A <A <A 36.2 36.3 0.1 <A <A <A 37.6 37.6 0.03 PAIUTEW3 3 2 5278.8 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.03 PAIUTEW3 3 3 4933.4 <A <A <A 35.8 35.8 -0.1 <A <A <A 37.2 37.2 0.03 PAIUTEW3 3 4 3574.3 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.0 0.03 PAIUTEW3 3 5 4095.6 <A <A <A 36.2 36.2 0.0 <A <A <A 37.5 37.4 0.03 PAIUTEW3 4 1 7094.4 <A <A <A 36.2 36.3 0.1 <A <A <A 37.7 37.7 0.13 PAIUTEW3 4 2 6473.7 <A <A <A 36.1 36.1 0.1 <A <A <A 37.5 37.5 0.03 PAIUTEW3 4 3 6928.4 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.5 0.03 PAIUTEW3 4 4 6280.1 <A <A <A 35.9 35.9 -0.1 <A <A <A 37.3 37.3 0.03 PAIUTEW3 4 5 4929.5 <A <A <A 35.8 35.6 -0.1 <A <A <A 37.1 37.0 -0.13 PAIUTEW3 5 1 7083.5 <A <A <A 36.3 36.2 0.0 <A <A <A 37.7 37.7 0.03 PAIUTEW3 5 2 5664.1 <A <A <A 36.0 36.1 0.1 <A <A <A 37.5 37.5 0.13 PAIUTEW3 5 3 4931.3 <A <A <A 35.9 35.9 0.0 <A <A <A 37.3 37.3 0.03 PAIUTEW3 5 4 4430.7 <A <A <A 35.7 35.6 0.0 <A <A <A 37.1 37.1 0.03 PAIUTEW3 5 5 3420.2 <A <A <A 35.5 35.3 -0.2 <A <A <A 36.9 36.7 -0.13 PAIUTEW3 6 1 5806.7 <A <A <A 35.8 35.8 0.0 <A <A <A 37.2 37.2 0.03 PAIUTEW3 6 2 6884.3 <A <A <A 36.1 36.1 0.0 <A <A <A 37.5 37.6 0.03 PAIUTEW3 6 3 6424.7 <A <A <A 36.0 36.0 0.1 <A <A <A 37.4 37.5 0.13 PAIUTEW3 6 4 5729.6 <A <A <A 35.7 35.7 0.0 <A <A <A 37.1 37.2 0.03 PAIUTEW3 6 5 4726.1 <A <A <A 35.4 35.3 -0.1 <A <A <A 36.8 36.8 -0.13 PAIUTEW3 7 1 6442.6 <A <A <A 35.5 35.6 0.1 <A <A <A 37.0 37.1 0.03 PAIUTEW3 7 2 6859.6 <A <A <A 35.9 35.8 -0.1 <A <A <A 37.2 37.3 0.01 PARSHAN1 7 7 4103.7 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 7 8 4327.8 <A <A <A 35.6 35.6 0.0 <A <A <A 37.0 37.1 0.01 PARSHAN1 8 7 4306.7 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.01 PARSHAN1 8 8 5066.7 <A <A <A 35.4 35.4 0.0 <A <A <A 36.9 36.9 0.01 PARSHAN1 9 8 4488.5 <A <A <A 35.1 35.1 0.0 <A <A <A 36.6 36.6 0.01 PARSHAN1 10 3 3841.1 <A <A <A 35.7 35.7 0.0 <A <A <A 37.2 37.2 0.0
Parunuweap WSA31 PARUNW31 1 2 5747.3 <A <A <A 33.7 33.7 0.1 <A <A <A 35.1 35.1 0.031 PARUNW31 1 3 5604.7 <A <A <A 33.4 33.4 0.0 <A <A <A 34.7 34.7 0.031 PARUNW31 1 4 4839.8 <A <A <A 33.1 33.0 0.0 <A <A <A 34.4 34.4 0.031 PARUNW31 1 5 5715.2 <A <A <A 33.4 33.2 -0.2 <A <A <A 34.6 34.6 0.031 PARUNW31 1 6 5807 <A <A <A 33.5 33.4 -0.1 <A <A <A 34.7 34.7 0.131 PARUNW31 2 2 5455.8 <A <A <A 33.8 33.9 0.2 <A <A <A 35.2 35.3 0.131 PARUNW31 2 3 5242.2 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.031 PARUNW31 2 4 5200 <A <A <A 33.0 33.0 0.0 <A <A <A 34.3 34.3 0.031 PARUNW31 2 5 5404.2 <A <A <A 33.0 32.9 -0.1 <A <A <A 34.3 34.3 0.031 PARUNW31 2 6 6153.9 <A <A <A 33.3 33.2 -0.1 <A <A <A 34.6 34.6 0.031 PARUNW31 3 1 6036.9 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.8 0.031 PARUNW31 3 2 5568.5 <A <A <A 33.9 34.2 0.3 <A <A <A 35.3 35.6 0.231 PARUNW31 3 3 5228.6 <A <A <A 33.6 33.6 0.0 <A <A <A 34.9 34.9 0.031 PARUNW31 3 4 5219.4 <A <A <A 33.0 33.0 0.0 <A <A <A 34.4 34.4 0.031 PARUNW31 3 5 5997 <A <A <A 32.9 32.9 0.0 <A <A <A 34.3 34.3 0.031 PARUNW31 3 6 5970 <A <A <A 33.1 33.0 -0.1 <A <A <A 34.3 34.3 0.031 PARUNW31 3 7 6368.8 <A <A <A 33.4 33.4 0.0 <A <A <A 34.6 34.6 0.131 PARUNW31 4 1 6398.3 <A <A <A 34.4 34.4 0.0 <A <A <A 35.8 35.8 0.031 PARUNW31 4 2 5592.2 <A <A <A 34.0 34.3 0.3 <A <A <A 35.5 35.7 0.231 PARUNW31 4 3 5601 <A <A <A 33.8 33.9 0.0 <A <A <A 35.2 35.2 0.031 PARUNW31 4 4 5222.3 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.031 PARUNW31 4 5 5347.6 <A <A <A 32.8 32.8 0.0 <A <A <A 34.1 34.1 0.031 PARUNW31 4 6 5797.3 <A <A <A 32.8 32.8 0.0 <A <A <A 34.1 34.1 0.031 PARUNW31 4 7 6050 <A <A <A 33.1 33.0 -0.1 <A <A <A 34.3 34.3 0.131 PARUNW31 5 1 6397 <A <A <A 34.3 34.3 0.0 <A <A <A 35.8 35.7 0.031 PARUNW31 5 2 5997 <A <A <A 34.2 34.3 0.1 <A <A <A 35.6 35.7 0.131 PARUNW31 5 3 5638.2 <A <A <A 33.9 34.0 0.0 <A <A <A 35.3 35.4 0.031 PARUNW31 5 4 5006 <A <A <A 33.3 33.3 0.0 <A <A <A 34.7 34.7 0.031 PARUNW31 5 5 5704.9 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.031 PARUNW31 5 6 5655.6 <A <A <A 32.6 32.5 0.0 <A <A <A 33.9 33.9 0.031 PARUNW31 6 2 5819.5 <A <A <A 34.1 34.1 0.0 <A <A <A 35.4 35.5 0.031 PARUNW31 6 3 5602.9 <A <A <A 33.9 33.9 0.1 <A <A <A 35.3 35.3 0.0
Table B.21Noise Level Changes at 4f/303(c) PropertiesCumulative DNL - 2010/2020 none none
none none
< +5.0 dBA > -5.0 dBA+5.1 to 10.0 dBA -5.1 to -10.0 dBA
Existing Ariport
Net Change in Cumulative Noise DNL
> +10.0 dBA < -10.0 dBA
Replacement Airport
Cumulative Noise Cumulative Noise
Replacement Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Replacement Airport
Existing Ariport
Replacement Airport
Existing Ariport
Legend
Net Change in Project Noise DNL
SGU Noise Only
Ground Elevation (in feet)
2010 DNL 2020 DNL
Net Change in Project Noise DNL
SGU Noise Only
Net Change in Cumulative Noise DNL
Existing Ariport
31 PARUNW31 6 4 5390.3 <A <A <A 33.6 33.6 0.0 <A <A <A 35.0 35.0 0.031 PARUNW31 7 3 5453.5 <A <A <A 33.9 34.0 0.1 <A <A <A 35.3 35.4 0.1
Pine Valley Mountain Wilderness10 PINEV10 1 1 7198 <A <A <A 30.5 30.7 0.2 <A <A <A 32.0 32.1 0.210 PINEV10 1 2 6998 <A <A <A 30.5 30.7 0.1 <A <A <A 32.0 32.1 0.110 PINEV10 2 1 8599.8 <A <A <A 30.4 30.4 0.1 <A <A <A 31.8 31.9 0.110 PINEV10 2 2 7211.8 <A <A <A 30.3 30.5 0.1 <A <A <A 31.8 31.9 0.110 PINEV10 2 3 7354.5 <A <A <A 30.6 30.7 0.2 <A <A <A 32.0 32.2 0.110 PINEV10 3 1 8850.5 <A <A <A 30.4 30.4 0.1 <A <A <A 31.8 31.9 0.110 PINEV10 3 2 8548.3 <A <A <A 30.3 30.4 0.1 <A <A <A 31.7 31.8 0.110 PINEV10 3 3 8588.5 <A <A <A 30.5 30.6 0.1 <A <A <A 32.0 32.1 0.110 PINEV10 4 1 9492.9 <A <A <A 30.6 31.0 0.4 <A <A <A 32.0 32.3 0.410 PINEV10 4 2 8341.2 <A <A <A 30.5 30.8 0.3 <A <A <A 31.9 32.2 0.310 PINEV10 4 3 7798 <A <A <A 30.7 30.9 0.2 <A <A <A 32.0 32.3 0.210 PINEV10 4 4 7846.9 <A <A <A 30.9 31.0 0.1 <A <A <A 32.4 32.5 0.210 PINEV10 5 1 6918.6 <A <A <A 30.5 30.8 0.3 <A <A <A 32.0 32.3 0.310 PINEV10 5 2 8260.6 <A <A <A 30.9 31.3 0.4 <A <A <A 32.4 32.7 0.310 PINEV10 5 3 6493.5 <A <A <A 30.6 30.9 0.3 <A <A <A 32.0 32.3 0.310 PINEV10 5 4 6341.3 <A <A <A 30.7 30.9 0.2 <A <A <A 32.2 32.4 0.27 PINEV7 2 2 6953.9 <A <A <A 31.4 31.1 -0.3 <A <A <A 32.7 32.5 -0.37 PINEV7 3 1 6219.5 <A <A <A 30.6 30.8 0.3 <A <A <A 31.9 32.1 0.27 PINEV7 3 2 7407.1 <A <A <A 30.9 31.1 0.2 <A <A <A 32.2 32.4 0.27 PINEV7 4 1 5797 <A <A <A 30.4 30.3 -0.1 <A <A <A 31.7 31.6 -0.17 PINEV7 4 2 8124.8 <A <A <A 30.7 30.5 -0.2 <A <A <A 32.0 31.8 -0.27 PINEV7 5 2 6388.2 <A <A <A 30.2 30.2 0.0 <A <A <A 31.6 31.5 0.08 PINEV8 1 3 7145.6 <A <A <A 31.8 31.4 -0.5 <A <A <A 33.2 32.8 -0.48 PINEV8 2 1 6953.6 <A <A <A 31.4 31.1 -0.3 <A <A <A 32.7 32.5 -0.38 PINEV8 2 2 7456.5 <A <A <A 31.4 31.0 -0.4 <A <A <A 32.8 32.4 -0.48 PINEV8 2 3 9192.8 <A <A <A 31.6 31.1 -0.5 <A <A <A 32.9 32.5 -0.48 PINEV8 3 1 7404.5 <A <A <A 30.9 31.1 0.2 <A <A <A 32.2 32.4 0.28 PINEV8 3 2 9040.6 <A <A <A 31.5 31.5 0.0 <A <A <A 32.8 32.8 0.08 PINEV8 3 3 7507.6 <A <A <A 31.0 31.0 0.0 <A <A <A 32.4 32.4 0.08 PINEV8 4 1 8123.1 <A <A <A 30.7 30.5 -0.2 <A <A <A 32.0 31.8 -0.28 PINEV8 4 2 10178.7 <A <A <A 31.0 31.4 0.4 <A <A <A 32.3 32.6 0.38 PINEV8 4 3 7687 <A <A <A 30.5 30.8 0.3 <A <A <A 31.9 32.1 0.28 PINEV8 5 1 6387.2 <A <A <A 30.2 30.2 0.0 <A <A <A 31.6 31.5 0.08 PINEV8 5 2 9413.8 <A <A <A 31.1 30.6 -0.6 <A <A <A 32.5 31.9 -0.78 PINEV8 5 3 7841.1 <A <A <A 30.2 30.3 0.1 <A <A <A 31.6 31.7 0.08 PINEV8 6 2 7376.3 <A <A <A 30.2 30.6 0.5 <A <A <A 31.6 32.0 0.48 PINEV8 6 3 9458.6 <A <A <A 30.3 30.6 0.2 <A <A <A 31.7 31.9 0.28 PINEV8 7 2 6607.9 <A <A <A 30.4 30.9 0.5 <A <A <A 31.8 32.3 0.48 PINEV8 7 3 7913 <A <A <A 30.3 30.9 0.6 <A <A <A 31.7 32.2 0.58 PINEV8 8 3 5989.4 <A <A <A 30.5 30.7 0.2 <A <A <A 31.9 32.1 0.29 PINEV9 1 1 7141.8 <A <A <A 31.8 31.4 -0.5 <A <A <A 33.2 32.8 -0.49 PINEV9 2 1 9192.9 <A <A <A 31.6 31.1 -0.5 <A <A <A 32.9 32.5 -0.49 PINEV9 3 1 7511.2 <A <A <A 31.0 31.0 0.0 <A <A <A 32.4 32.4 0.09 PINEV9 4 1 7691.4 <A <A <A 30.5 30.8 0.3 <A <A <A 32.0 32.1 0.29 PINEV9 4 3 7190.9 <A <A <A 30.6 30.8 0.2 <A <A <A 32.0 32.1 0.19 PINEV9 5 1 7847.6 <A <A <A 30.2 30.3 0.1 <A <A <A 31.6 31.7 0.09 PINEV9 5 2 8330 <A <A <A 30.4 30.5 0.1 <A <A <A 31.8 31.8 0.19 PINEV9 5 3 8559.4 <A <A <A 30.4 30.5 0.1 <A <A <A 31.8 31.9 0.19 PINEV9 6 1 9454.1 <A <A <A 30.3 30.5 0.2 <A <A <A 31.7 31.9 0.29 PINEV9 6 2 9196.1 <A <A <A 30.3 30.4 0.1 <A <A <A 31.8 31.8 0.19 PINEV9 6 3 9184.3 <A <A <A 30.4 30.4 0.0 <A <A <A 31.8 31.9 0.09 PINEV9 7 1 7920.1 <A <A <A 30.3 30.9 0.6 <A <A <A 31.7 32.2 0.59 PINEV9 7 2 8100.3 <A <A <A 30.2 30.7 0.5 <A <A <A 31.6 32.0 0.49 PINEV9 7 3 9689.4 <A <A <A 30.6 31.0 0.4 <A <A <A 32.0 32.3 0.3
Pipe Spring NM17 KAIBAB17 3 2 4844.7 <A <A <A 32.9 32.9 0.0 <A <A <A 34.3 34.3 0.017 KAIBAB17 3 3 4987.1 <A <A <A 32.5 32.5 0.0 <A <A <A 34.0 34.0 0.017 KAIBAB17 4 2 4825.3 <A <A <A 33.2 33.2 0.0 <A <A <A 34.6 34.6 0.017 KAIBAB17 4 3 5095.9 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.0
Quail Creek SP38 COTTON38 6 1 3159 <A 30.0 0.9 33.4 33.8 0.4 <A 30.0 0.9 34.6 34.9 0.338 COTTON38 6 2 3198 30.3 <A -1.2 33.9 33.4 -0.5 30.5 <A -1.4 34.8 34.4 -0.4
Red Butte WSA13 ZION13 3 1 6096.9 <A <A <A 32.1 32.1 0.0 <A <A <A 33.4 33.5 0.0
Red Mountain WSA39 REDMTN39 1 2 3402.7 <A <A <A 31.9 31.9 0.0 <A <A <A 33.4 33.4 0.039 REDMTN39 1 3 5399.3 <A <A <A 32.4 32.4 0.0 <A <A <A 33.8 33.8 0.039 REDMTN39 2 1 3149.7 <A <A <A 31.1 31.0 -0.1 <A <A <A 32.6 32.5 -0.139 REDMTN39 2 2 3580.6 <A <A <A 31.3 31.3 0.0 <A <A <A 32.8 32.8 0.039 REDMTN39 2 3 5064.5 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.040 REDMTN40 1 2 3595 <A <A <A 35.2 35.2 0.0 <A <A <A 36.7 36.7 0.040 REDMTN40 1 3 3795 <A <A <A 36.0 36.0 0.0 <A <A <A 37.5 37.5 0.040 REDMTN40 1 1 3788.2 <A <A <A 34.7 34.7 0.0 <A <A <A 36.1 36.1 0.040 REDMTN40 2 2 4785.8 <A <A <A 34.0 34.0 0.0 <A <A <A 35.5 35.5 0.040 REDMTN40 2 3 3958.2 <A <A <A 34.7 34.7 0.0 <A <A <A 36.2 36.2 0.040 REDMTN40 2 1 5122.5 <A <A <A 33.4 33.4 0.0 <A <A <A 34.8 34.8 0.040 REDMTN40 3 1 5399 <A <A <A 32.4 32.4 0.0 <A <A <A 33.8 33.8 0.040 REDMTN40 3 2 4596.9 <A <A <A 32.9 32.9 0.0 <A <A <A 34.4 34.4 0.040 REDMTN40 3 3 4322.8 <A <A <A 33.6 33.6 0.0 <A <A <A 35.1 35.1 0.040 REDMTN40 4 1 5063.3 <A <A <A 31.8 31.8 0.0 <A <A <A 33.2 33.2 0.040 REDMTN40 4 2 4879 <A <A <A 32.2 32.2 0.0 <A <A <A 33.6 33.6 0.040 REDMTN40 4 3 4739.7 <A <A <A 32.7 32.7 0.0 <A <A <A 34.2 34.2 0.06 SNOWCAN6 1 2 3189.9 <A <A <A 31.2 31.1 -0.1 <A <A <A 32.6 32.6 0.06 SNOWCAN6 1 3 3476.9 <A <A <A 31.4 31.4 0.0 <A <A <A 32.9 32.9 0.06 SNOWCAN6 1 4 5007.4 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.06 SNOWCAN6 1 5 4830.6 <A <A <A 32.3 32.3 0.0 <A <A <A 33.7 33.7 0.06 SNOWCAN6 1 6 4710.9 <A <A <A 32.8 32.8 0.0 <A <A <A 34.3 34.3 0.06 SNOWCAN6 2 2 3250.3 <A <A <A 30.9 30.9 -0.1 <A <A <A 32.4 32.3 -0.16 SNOWCAN6 2 3 3795.2 <A <A <A 31.1 31.0 0.0 <A <A <A 32.5 32.5 0.06 SNOWCAN6 2 4 3594.7 <A <A <A 31.4 31.3 0.0 <A <A <A 32.7 32.7 0.06 SNOWCAN6 2 5 5000 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.06 SNOWCAN6 2 6 4763 <A <A <A 32.0 32.1 0.0 <A <A <A 33.5 33.5 0.0
Snow Canyon SP6 SNOWCAN6 2 2 3250.3 <A <A <A 30.9 30.9 -0.1 <A <A <A 32.4 32.3 -0.16 SNOWCAN6 2 3 3795.2 <A <A <A 31.1 31.0 0.0 <A <A <A 32.5 32.5 0.06 SNOWCAN6 2 4 3594.7 <A <A <A 31.4 31.3 0.0 <A <A <A 32.7 32.7 0.06 SNOWCAN6 2 5 5000 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.1 0.06 SNOWCAN6 3 1 3007.9 <A <A <A 31.1 30.6 -0.5 <A <A <A 32.5 32.1 -0.46 SNOWCAN6 3 2 3586.5 <A <A <A 30.9 30.7 -0.2 <A <A <A 32.3 32.2 -0.26 SNOWCAN6 3 3 3821.7 <A <A <A 31.0 30.9 -0.1 <A <A <A 32.4 32.3 -0.16 SNOWCAN6 3 4 4386.2 <A <A <A 31.1 31.0 -0.1 <A <A <A 32.5 32.4 -0.16 SNOWCAN6 3 5 4592.5 <A <A <A 31.3 31.2 -0.1 <A <A <A 32.7 32.7 -0.1
Spring Creek Canyon WSA37 SORING37 1 1 5330.9 <A <A <A 33.5 33.5 0.0 <A <A <A 34.6 34.7 0.137 SORING37 2 1 6363.5 <A <A <A 31.9 32.0 0.0 <A <A <A 33.4 33.4 0.137 SORING37 2 2 5579.1 <A <A <A 31.7 31.7 0.0 <A <A <A 33.1 33.2 0.137 SORING37 2 3 5495 <A <A <A 32.2 32.2 0.0 <A <A <A 33.3 33.4 0.137 SORING37 3 1 6822.6 <A <A <A 31.4 31.4 0.0 <A <A <A 32.8 32.9 0.137 SORING37 3 2 6736.3 <A <A <A 31.1 31.1 0.0 <A <A <A 32.5 32.6 0.137 SORING37 3 3 6198 <A <A <A 30.8 30.8 0.0 <A <A <A 32.2 32.3 0.137 SORING37 4 2 7179 <A <A <A 30.9 30.9 0.0 <A <A <A 32.3 32.4 0.037 SORING37 4 3 7809.7 <A <A <A 30.8 30.8 0.0 <A <A <A 32.2 32.3 0.1
Taylor Creek WSA13 ZION13 3 4 7607.6 <A <A <A 31.8 31.8 0.0 <A <A <A 33.3 33.3 0.0
Tunnel Spring WSA43 TUNEL43 1 1 5597 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 1 2 5959.1 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 2 5894.7 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 2 3 6167.2 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 1 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 2 5797 <A <A <A <A <A <A <A <A <A <A <A <A43 TUNEL43 3 3 6181 <A <A <A <A <A <A <A <A <A <A <A <A
The Watchman WSA11 ZION11 1 2 3999.0 <A <A <A 33.2 33.2 0.0 <A <A <A 34.5 34.5 0.011 ZION11 1 3 4546.2 <A <A <A 33.2 33.2 0.0 <A <A <A 34.5 34.5 0.0
Little Balck Mountain Petroglyph Site18 NEWGRID5 1 1 2941.0 <A 32.5 3.4 33.7 36.0 2.3 <A 33.0 3.9 35.0 37.0 2.0
Table B.26Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2020 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Ashdown Gorge Wilderness15 ASHDWN15 1 2 73.2 242.0 154.5 38.8 9.4 1.9 0.5 73.0 243.3 154.7 38.8 9.4 1.9 0.5 -0.2 1.3 0.5% 0.2 0.1% -0.1 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 1 3 73.0 243.9 159.8 35.2 10.4 1.9 0.4 72.9 245.5 160.4 35.2 10.4 1.9 0.4 -0.1 1.5 0.6% 0.5 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 1 72.9 233.1 159.7 38.3 8.3 1.9 0.4 72.9 233.8 159.6 38.3 8.3 1.9 0.4 0.0 0.7 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 -2.1% 0.0 0.0%15 ASHDWN15 2 2 72.2 227.5 151.9 40.8 10.0 1.8 0.4 72.2 228.5 152.0 40.8 10.0 1.8 0.4 0.0 1.1 0.5% 0.0 0.0% 0.0 -0.1% 0.0 -0.2% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 3 71.7 229.0 151.1 40.1 10.4 1.8 0.4 71.7 230.1 151.2 40.1 10.4 1.8 0.4 0.0 1.2 0.5% 0.2 0.1% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 4 72.9 223.4 129.9 38.1 11.5 1.7 0.4 72.9 224.6 130.0 38.1 11.5 1.7 0.4 0.0 1.2 0.5% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 2 5 71.3 225.8 129.6 37.4 10.0 1.6 0.4 71.3 227.4 129.8 37.4 10.0 1.6 0.4 0.0 1.6 0.7% 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 1 74.1 225.1 145.0 44.6 10.4 1.8 0.3 74.1 225.3 145.0 44.6 10.4 1.8 0.3 0.0 0.1 0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 2 86.0 223.7 143.9 42.2 10.3 1.8 1.0 71.3 224.4 143.9 42.2 10.3 1.7 1.0 -14.7 0.7 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% -0.1 -3.6% 0.0 -5.7%15 ASHDWN15 3 3 70.5 224.5 132.3 40.7 10.5 1.7 0.5 70.5 225.3 132.3 40.6 10.5 1.7 0.5 0.0 0.8 0.4% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 4 72.4 220.0 131.2 40.5 10.9 1.7 0.3 72.4 221.1 131.1 40.5 10.9 1.7 0.3 0.0 1.1 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 3 5 73.3 214.3 120.0 40.8 11.1 2.8 0.3 73.3 215.4 120.2 40.8 11.0 2.8 0.3 0.0 1.1 0.5% 0.2 0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 1 75.7 216.7 130.4 45.7 11.1 2.8 0.3 75.7 216.7 130.3 45.6 11.1 2.8 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 2 73.6 223.9 145.9 42.9 11.7 2.9 0.9 73.6 224.0 145.9 42.9 11.7 2.9 1.0 0.0 0.1 0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.1 2.3% 0.0 5.0%15 ASHDWN15 4 3 72.9 216.7 132.0 42.3 11.4 2.8 0.9 72.9 216.9 131.9 42.3 11.4 2.8 0.9 0.0 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 4 74.3 217.4 127.2 39.2 10.8 2.6 0.3 74.3 217.6 127.2 39.2 10.8 2.6 0.3 0.0 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Beartrap Canyon WSA19 ZION19 2 2 72.7 325.7 235.8 92.0 16.1 3.0 0.3 72.7 317.8 229.2 91.4 16.2 3.0 0.3 0.0 -8.0 -2.4% -6.5 -2.8% -0.5 -0.6% 0.2 1.1% 0.0 0.0% 0.0 0.0%
Beaver Dam Mountains Wilderness4 BEAVER4 2 3 74.3 576.9 428.1 183.6 37.1 5.4 1.6 74.3 562.2 424.8 181.0 33.7 5.2 1.6 0.0 -14.6 -2.5% -3.3 -0.8% -2.7 -1.4% -3.4 -9.2% -0.2 -4.2% 0.0 0.0%4 BEAVER4 2 4 73.6 586.0 415.9 178.2 26.8 6.2 1.6 73.6 571.8 408.5 174.5 23.9 6.0 1.6 0.0 -14.2 -2.4% -7.4 -1.8% -3.7 -2.1% -2.8 -10.6% -0.2 -3.5% 0.0 0.0%4 BEAVER4 2 5 72.0 586.4 414.0 183.5 27.2 5.3 1.5 72.0 572.5 407.0 181.2 25.7 5.1 1.5 0.0 -13.9 -2.4% -7.0 -1.7% -2.3 -1.3% -1.6 -5.8% -0.2 -4.2% 0.0 0.0%4 BEAVER4 2 6 71.6 554.6 418.3 180.7 31.9 4.9 1.5 71.6 540.1 411.8 179.5 30.3 4.8 1.5 0.0 -14.5 -2.6% -6.4 -1.5% -1.2 -0.7% -1.6 -4.9% -0.1 -2.0% 0.0 0.0%4 BEAVER4 3 4 74.2 554.8 417.6 175.6 26.2 6.4 1.8 74.2 541.6 410.6 171.8 23.8 6.3 1.8 0.0 -13.1 -2.4% -7.0 -1.7% -3.8 -2.2% -2.4 -9.3% -0.1 -1.0% 0.0 0.0%4 BEAVER4 3 5 73.4 565.4 402.7 167.6 24.3 6.4 1.6 73.4 552.3 395.3 164.6 21.9 6.1 1.6 0.0 -13.1 -2.3% -7.4 -1.8% -3.0 -1.8% -2.4 -9.9% -0.3 -5.3% 0.0 0.0%4 BEAVER4 3 6 72.4 582.2 400.2 174.1 26.3 5.4 1.4 72.4 533.0 386.4 172.8 25.2 5.1 1.4 0.0 -49.3 -8.5% -13.8 -3.5% -1.3 -0.7% -1.1 -4.2% -0.3 -5.4% 0.0 0.0%4 BEAVER4 3 7 72.2 575.8 404.4 174.2 30.8 4.8 1.4 72.2 522.8 391.3 172.9 30.1 4.8 1.4 0.0 -53.0 -9.2% -13.1 -3.2% -1.4 -0.8% -0.8 -2.6% 0.0 -0.1% 0.0 0.0%4 BEAVER4 4 3 73.8 547.9 398.2 163.2 25.6 6.7 1.8 73.8 534.9 395.3 158.9 33.8 6.7 1.9 0.0 -13.0 -2.4% -14.3 -0.7% -2.5 -2.6% -2.6 32.0% -0.3 0.4% 0.1 6.9%4 BEAVER4 4 4 74.0 583.1 411.8 170.3 33.3 5.6 1.8 74.0 531.8 397.6 166.9 29.9 5.6 1.8 0.0 -51.4 -8.8% -14.2 -3.5% -3.4 -2.0% -3.4 -10.3% 0.0 0.2% 0.0 0.0%4 BEAVER4 4 5 74.2 584.7 406.2 151.2 21.2 6.4 1.5 74.2 533.4 383.9 160.7 23.0 6.3 1.8 0.0 -51.3 -8.8% -14.6 -5.5% -2.2 6.2% -1.6 8.7% -0.5 -0.9% 0.3 20.3%4 BEAVER4 4 6 73.5 558.3 400.3 156.4 19.2 4.8 1.4 73.5 507.6 391.6 149.0 19.5 5.9 1.5 0.0 -50.7 -9.1% -14.4 -2.2% -1.3 -4.7% -1.1 1.9% -0.2 21.7% 0.1 5.7%4 BEAVER4 4 7 72.6 561.7 398.3 162.6 28.9 6.1 1.8 72.6 511.9 385.9 155.0 18.0 4.7 1.4 0.0 -49.8 -8.9% -14.4 -3.1% -4.1 -4.7% -3.3 -37.7% -0.1 -24.0% -0.4 -21.2%4 BEAVER4 5 5 74.2 571.8 384.0 145.5 21.8 7.3 1.8 74.2 535.6 384.0 158.6 25.6 6.0 1.8 0.0 -36.2 -6.3% -14.5 0.0% -2.8 9.0% -1.8 17.6% -0.6 -17.6% 0.0 -1.2%4 BEAVER4 5 6 74.7 551.2 383.6 161.2 31.2 7.3 2.5 74.7 513.8 369.5 142.7 20.0 6.7 1.8 0.0 -37.3 -6.8% -13.2 -3.7% -3.3 -11.5% -0.3 -35.9% 0.7 -8.7% -0.7 -26.3%4 BEAVER4 6 4 73.1 553.9 408.6 155.1 34.2 7.8 1.9 73.1 542.9 370.5 157.8 31.0 8.0 2.5 0.0 -11.1 -2.0% -25.6 -9.3% -3.2 1.8% -2.5 -9.5% -2.4 2.7% 0.5 27.6%4 BEAVER4 6 5 73.8 554.2 426.9 161.4 32.3 7.7 1.9 73.8 543.0 383.0 151.8 31.7 5.4 1.9 0.0 -11.2 -2.0% -40.3 -10.3% -8.9 -5.9% -6.7 -1.9% -2.4 -29.7% 0.0 0.9%4 BEAVER4 7 6 74.1 540.1 421.0 152.4 22.1 6.8 1.7 74.1 528.6 386.6 152.4 25.7 5.3 1.9 0.0 -11.5 -2.1% -42.9 -8.2% -9.9 0.0% -5.3 16.1% -1.6 -22.1% 0.1 6.3%4 BEAVER4 7 7 74.2 556.6 405.1 158.4 31.6 9.3 1.2 74.2 541.0 378.1 142.5 16.8 5.2 1.7 0.0 -15.7 -2.8% -13.3 -6.7% -6.7 -10.0% -1.4 -46.9% -2.8 -44.3% 0.5 39.5%4 BEAVER4 8 6 72.9 544.5 410.9 166.8 27.2 7.1 0.7 72.9 529.5 391.8 151.7 30.2 6.5 1.2 0.0 -14.9 -2.7% -17.8 -4.6% -26.5 -9.0% -7.0 11.2% -2.6 -9.0% 0.5 62.7%4 BEAVER4 8 7 73.1 546.2 87.9 18.5 3.8 1.7 0.0 73.1 523.0 393.0 140.3 20.2 4.6 0.6 0.0 -23.2 -4.2% 0.0 347.0% 0.0 657.1% 0.0 435.5% 0.0 169.1% 0.6 1242.3%
Beaver Dam SP42 COUGAR42 2 1 70.6 176.0 87.9 18.5 3.8 1.7 0.0 70.6 176.0 87.9 18.5 3.8 1.7 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 2 2 70.2 173.8 75.8 17.7 3.8 0.4 0.0 70.2 173.8 75.8 17.7 3.8 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 2 3 70.6 170.7 73.3 17.6 4.1 0.3 0.0 70.6 170.7 73.3 17.6 4.1 0.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 3 1 72.4 185.5 100.6 18.6 4.1 1.8 0.1 72.4 185.4 100.6 18.6 4.1 1.8 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%43 TUNEL43 2 1 70.6 170.7 73.3 17.6 4.1 0.3 0.0 70.6 170.7 73.3 17.6 4.1 0.3 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Canaan Mountain WSA30 CANAAN30 1 5 70.7 452.7 352.0 197.0 35.2 3.9 0.5 70.7 452.4 354.6 199.0 35.2 3.6 0.5 0.0 -0.3 -0.1% 2.6 0.7% 2.0 1.0% 0.0 -0.1% -0.3 -7.1% 0.0 0.0%30 CANAAN30 1 6 72.5 443.3 358.0 192.6 33.1 5.3 0.9 72.5 442.9 359.0 193.5 33.0 5.4 0.9 0.0 -0.4 -0.1% 1.0 0.3% 0.8 0.4% -0.1 -0.2% 0.1 1.9% 0.0 0.0%30 CANAAN30 2 3 71.9 471.0 352.4 204.9 31.2 5.0 0.3 71.9 471.9 354.4 205.3 31.7 5.0 0.3 0.0 0.9 0.2% 2.1 0.6% 0.4 0.2% 0.5 1.6% 0.0 0.0% 0.0 0.0%30 CANAAN30 2 4 70.0 458.7 358.5 202.7 38.6 5.8 0.4 70.0 458.9 360.8 204.0 39.7 5.8 0.4 0.0 0.3 0.1% 2.3 0.7% 1.3 0.6% 1.1 3.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 2 5 69.2 448.6 362.7 197.1 37.5 5.4 0.3 69.2 449.3 365.5 199.0 37.6 5.4 0.3 0.0 0.7 0.2% 2.8 0.8% 1.9 1.0% 0.1 0.2% 0.0 -0.4% 0.0 0.0%30 CANAAN30 2 6 71.1 453.6 362.1 193.8 40.3 5.6 0.3 71.1 453.4 364.7 194.6 40.3 5.6 0.3 0.0 -0.2 0.0% 2.6 0.7% 0.8 0.4% 0.0 0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 2 74.0 464.5 360.7 198.5 36.3 5.1 0.9 74.0 467.1 361.3 199.0 36.5 5.1 0.9 0.0 2.6 0.6% 0.6 0.2% 0.5 0.3% 0.2 0.5% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 3 73.3 467.2 360.6 207.4 26.1 5.4 0.7 73.3 468.7 362.3 207.6 26.5 5.4 0.7 0.0 1.6 0.3% 1.7 0.5% 0.2 0.1% 0.4 1.6% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 4 71.9 465.3 365.1 209.4 39.3 7.2 0.3 71.9 465.7 367.3 210.7 40.4 6.9 0.3 0.0 0.4 0.1% 2.2 0.6% 1.3 0.6% 1.1 2.8% -0.3 -3.8% 0.0 0.0%30 CANAAN30 3 5 69.4 464.8 365.9 200.7 43.2 5.3 0.3 69.4 464.3 368.2 202.6 43.3 5.3 0.3 0.0 -0.6 -0.1% 2.4 0.6% 1.9 0.9% 0.2 0.4% 0.0 0.0% 0.0 0.0%30 CANAAN30 3 6 69.7 455.6 361.2 195.8 44.2 5.3 0.3 69.7 453.9 364.3 196.9 44.2 5.3 0.3 0.0 -1.7 -0.4% 3.2 0.9% 1.1 0.5% -0.1 -0.2% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 2 74.0 471.0 360.5 202.0 37.6 6.0 1.0 74.0 472.5 361.1 202.5 37.7 6.0 1.0 0.0 1.5 0.3% 0.7 0.2% 0.5 0.3% 0.2 0.5% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 3 74.2 466.6 368.5 223.5 34.1 5.4 0.9 74.2 468.3 369.8 223.6 34.4 5.4 0.9 0.0 1.7 0.4% 1.3 0.4% 0.2 0.1% 0.3 0.8% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 4 73.5 458.0 365.7 210.5 30.9 8.1 1.6 73.5 459.5 367.8 211.8 32.0 7.8 1.3 0.0 1.5 0.3% 2.2 0.6% 1.3 0.6% 1.1 3.5% -0.3 -3.4% -0.3 -17.6%30 CANAAN30 4 5 71.4 450.2 362.4 205.3 41.5 5.3 0.3 71.4 450.7 364.8 207.2 42.3 5.3 0.3 0.0 0.6 0.1% 2.4 0.7% 1.9 0.9% 0.8 1.8% 0.0 0.0% 0.0 0.0%30 CANAAN30 4 6 69.5 452.1 365.4 192.6 46.1 3.1 0.2 69.5 451.6 367.6 193.6 46.1 3.1 0.2 0.0 -0.5 -0.1% 2.3 0.6% 1.0 0.5% -0.1 -0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 1 71.8 467.1 365.2 205.2 33.2 5.4 1.0 71.8 467.2 365.4 205.5 33.4 5.4 1.0 0.0 0.2 0.0% 0.2 0.0% 0.3 0.1% 0.2 0.6% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 2 73.9 466.4 358.2 202.2 38.3 5.8 1.0 73.9 467.9 358.8 202.8 38.5 5.8 1.0 0.0 1.5 0.3% 0.7 0.2% 0.5 0.3% 0.2 0.4% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 3 75.1 452.2 365.5 214.9 37.7 3.7 1.0 75.1 453.9 366.7 215.1 37.9 3.7 1.0 0.0 1.7 0.4% 1.2 0.3% 0.2 0.1% 0.3 0.7% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 4 74.3 464.2 367.0 210.9 39.2 5.0 0.9 74.3 466.1 369.0 212.1 40.4 4.7 0.9 0.0 1.9 0.4% 2.1 0.6% 1.2 0.6% 1.1 2.9% -0.3 -5.5% 0.0 -2.3%30 CANAAN30 5 5 72.3 466.4 371.6 207.7 28.8 3.0 0.7 72.3 466.6 374.0 209.5 29.0 3.0 0.7 0.0 0.2 0.0% 2.4 0.6% 1.9 0.9% 0.1 0.5% 0.0 0.0% 0.0 0.0%30 CANAAN30 5 6 70.3 461.4 362.2 197.0 42.1 2.8 0.3 70.3 461.4 364.7 198.0 42.0 2.8 0.3 0.0 0.1 0.0% 2.5 0.7% 1.0 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 1 70.6 440.8 367.9 201.1 32.4 3.5 1.0 70.6 441.5 368.1 201.3 32.6 3.5 1.0 0.0 0.7 0.2% 0.2 0.0% 0.2 0.1% 0.2 0.6% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 2 72.4 449.2 367.7 200.7 35.5 3.0 1.0 72.4 450.5 368.4 201.2 35.6 3.0 1.0 0.0 1.2 0.3% 0.6 0.2% 0.5 0.3% 0.1 0.3% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 3 74.3 450.1 368.3 201.3 38.9 3.5 1.0 74.3 451.7 369.5 201.5 38.8 3.5 1.0 0.0 1.6 0.4% 1.2 0.3% 0.2 0.1% 0.0 -0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 4 74.8 456.7 366.9 214.7 40.1 4.6 0.9 74.8 458.9 368.9 215.9 41.3 4.6 0.9 0.0 2.1 0.5% 2.0 0.5% 1.2 0.5% 1.1 2.9% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 5 74.1 460.7 363.8 195.9 31.1 3.1 0.6 74.1 462.8 365.9 198.0 31.4 3.1 0.6 0.0 2.1 0.5% 2.1 0.6% 2.1 1.1% 0.3 1.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 6 6 72.2 459.1 370.4 188.4 35.0 3.4 0.1 72.2 459.9 372.6 189.5 35.0 3.4 0.1 0.0 0.8 0.2% 2.3 0.6% 1.1 0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 1 70.8 436.2 362.0 190.9 33.4 3.4 1.0 70.8 436.6 362.2 191.1 33.5 3.4 1.0 0.0 0.4 0.1% 0.2 0.1% 0.2 0.1% 0.1 0.4% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 2 71.0 447.8 363.3 195.7 31.8 2.9 1.0 71.0 449.0 364.0 196.0 31.9 2.9 1.0 0.0 1.2 0.3% 0.6 0.2% 0.2 0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 3 72.8 446.1 362.8 194.4 35.2 4.0 0.8 72.8 447.6 364.1 194.6 35.0 3.7 0.8 0.0 1.5 0.3% 1.2 0.3% 0.2 0.1% -0.2 -0.6% -0.3 -6.9% 0.0 0.0%30 CANAAN30 7 4 74.4 447.0 370.2 178.1 39.5 4.7 0.8 74.4 449.1 372.2 179.3 40.2 4.7 0.8 0.0 2.1 0.5% 2.0 0.5% 1.1 0.6% 0.7 1.8% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 5 74.5 457.4 363.6 192.0 36.2 3.7 0.7 74.5 459.7 365.7 194.2 36.3 3.7 0.7 0.0 2.2 0.5% 2.1 0.6% 2.2 1.1% 0.1 0.4% 0.0 0.0% 0.0 0.0%30 CANAAN30 7 6 73.5 455.2 369.2 182.7 27.5 3.3 0.6 73.5 457.4 371.5 183.8 27.5 3.3 0.6 0.0 2.2 0.5% 2.3 0.6% 1.1 0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 8 1 70.7 444.4 363.2 164.1 33.2 2.5 0.8 70.7 445.5 363.4 164.3 33.4 2.5 0.8 0.0 1.0 0.2% 0.2 0.1% 0.2 0.1% 0.1 0.4% 0.0 0.0% 0.0 0.0%30 CANAAN30 8 2 70.8 438.0 366.6 167.2 32.9 2.7 1.0 70.8 439.2 367.2 167.4 32.9 2.7 1.0 0.0 1.2 0.3% 0.6 0.2% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 8 3 71.5 442.3 363.5 179.7 29.3 4.5 1.0 75.1 443.9 364.7 180.0 29.1 4.2 1.0 3.6 1.6 0.4% 1.2 0.3% 0.2 0.1% -0.2 -0.7% -0.3 -6.1% 0.0 -2.0%30 CANAAN30 8 6 74.3 457.2 356.7 184.3 30.6 3.2 0.9 74.3 460.1 359.0 185.4 30.6 3.2 0.9 0.0 2.9 0.6% 2.3 0.6% 1.1 0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%30 CANAAN30 9 1 71.7 444.4 343.0 160.6 28.8 2.9 0.9 71.7 445.3 343.2 160.7 28.9 2.9 0.9 0.0 0.9 0.2% 0.2 0.1% 0.1 0.1% 0.1 0.2% 0.0 0.0% 0.0 0.0%30 CANAAN30 9 2 70.8 436.8 359.1 163.3 31.7 2.4 1.0 70.8 437.8 359.8 163.3 31.7 2.4 1.0 0.0 1.0 0.2% 0.6 0.2% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0%30 CANAAN30 9 3 70.8 434.4 365.2 179.5 33.4 4.6 1.0 70.8 436.0 366.4 179.9 33.1 4.3 1.0 0.0 1.6 0.4% 1.2 0.3% 0.4 0.2% -0.2 -0.7% -0.3 -6.0% 0.0 0.0%
Legend
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2020
LAmax 2020 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2020
LA(max) 2020 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2020
LA(max) 2020 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Table B.26Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2020 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Legend
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2020
LAmax 2020 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2020
LA(max) 2020 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2020
LA(max) 2020 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
Cedar Breaks National Monument15 ASHDWN15 3 2 86.0 223.7 143.9 42.2 10.3 1.8 1.0 71.3 224.4 143.9 42.2 10.3 1.7 1.0 -14.7 0.7 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% -0.1 -3.6% 0.0 -5.7%15 ASHDWN15 3 3 70.5 224.5 132.3 40.7 10.5 1.7 0.5 70.5 225.3 132.3 40.6 10.5 1.7 0.5 0.0 0.8 0.4% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%15 ASHDWN15 4 2 73.6 223.9 145.9 42.9 11.7 2.9 0.9 73.6 224.0 145.9 42.9 11.7 2.9 1.0 0.0 0.1 0.1% 0.0 0.0% 0.0 -0.1% 0.0 0.0% 0.1 2.3% 0.0 5.0%15 ASHDWN15 4 3 72.9 216.7 132.0 42.3 11.4 2.8 0.9 72.9 216.9 131.9 42.3 11.4 2.8 0.9 0.0 0.2 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Clover Mountains WSA44 CLOVER44 1 2 74.2 145.6 60.2 22.1 5.1 0.6 0.2 74.2 145.6 60.2 22.1 5.1 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 3 73.0 135.5 56.2 22.5 4.0 0.7 0.2 73.0 135.5 56.2 22.5 4.0 0.7 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 4 71.6 131.4 54.8 21.2 3.3 0.6 0.2 71.6 131.4 54.8 21.2 3.3 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 5 71.4 118.5 49.3 18.1 3.0 0.6 0.2 71.4 118.5 49.3 18.1 3.0 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 6 72.1 111.3 45.1 16.8 3.3 0.5 0.2 72.1 111.3 45.1 16.8 3.3 0.5 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 1 7 73.9 104.0 42.2 16.2 3.9 0.5 0.0 73.9 104.0 42.2 16.2 3.9 0.5 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 2 75.4 160.4 69.5 22.8 5.4 0.6 0.2 75.4 160.4 69.5 22.8 5.4 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 3 74.7 149.4 57.8 22.2 4.4 0.6 0.2 74.7 149.4 57.8 22.2 4.4 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 4 73.7 133.6 56.3 20.1 3.8 0.6 0.2 73.7 133.6 56.3 20.1 3.8 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 5 72.4 130.8 54.0 20.4 3.2 0.7 0.2 72.4 130.8 54.0 20.4 3.2 0.7 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 6 70.9 119.2 52.3 19.0 3.0 0.6 0.2 70.9 119.2 52.3 19.0 3.0 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 2 7 72.4 104.6 44.2 16.8 3.9 0.6 0.0 72.4 104.6 44.2 16.8 3.9 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 1 74.5 180.7 87.3 23.6 5.4 0.6 0.0 74.5 180.7 87.3 23.6 5.4 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 2 75.0 179.7 86.8 23.1 4.6 0.6 0.0 75.0 179.7 86.8 23.1 4.6 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 3 75.4 161.9 78.2 22.3 4.4 0.6 0.2 75.4 161.9 78.2 22.3 4.4 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 4 75.5 146.4 57.1 20.1 4.3 0.6 0.2 75.5 146.4 57.1 20.1 4.3 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 5 74.2 132.8 55.4 19.6 3.9 0.6 0.2 74.2 132.8 55.4 19.6 3.9 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 6 73.1 121.8 53.0 19.4 3.7 0.6 0.2 73.1 121.8 53.0 19.4 3.7 0.6 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 3 7 71.4 112.0 51.7 18.9 2.9 0.6 0.0 71.4 112.0 51.7 18.9 2.9 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 3 74.9 176.6 85.3 22.2 4.3 0.6 0.0 74.9 176.6 85.3 22.2 4.3 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 4 75.7 158.4 78.0 21.5 4.4 0.6 0.0 75.7 158.4 78.0 21.5 4.4 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 5 75.6 144.9 57.8 20.4 4.4 0.6 0.0 75.6 144.9 57.8 20.4 4.4 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 6 74.9 130.5 53.8 19.3 4.1 0.6 0.1 74.9 130.5 53.8 19.3 4.1 0.6 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 4 7 73.5 128.5 52.8 19.2 3.8 0.5 0.0 73.5 128.5 52.8 19.2 3.8 0.5 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 3 73.5 186.9 91.3 22.3 4.5 0.6 0.1 73.5 186.9 91.3 22.3 4.5 0.6 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 4 74.7 167.3 86.0 21.0 4.5 0.6 0.0 74.7 167.3 86.0 21.0 4.5 0.6 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 5 76.1 155.8 76.5 20.1 4.4 0.7 0.0 76.1 155.8 76.5 20.1 4.4 0.7 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 5 6 75.9 145.6 64.2 19.9 4.6 0.7 0.1 75.9 145.6 64.2 19.9 4.6 0.7 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 6 4 73.2 182.9 91.0 21.9 4.8 2.1 0.1 73.2 182.8 91.0 21.9 4.8 2.1 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 6 5 74.7 168.2 83.4 21.0 4.9 0.7 0.1 74.7 168.2 83.4 21.0 4.9 0.7 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%44 CLOVER44 6 6 75.8 159.2 81.6 20.4 4.5 0.5 0.1 75.8 159.2 81.6 20.4 4.5 0.5 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Coral Pink Sand Dunes SP29 MOQMTN29 1 2 74.5 391.5 297.9 139.8 18.9 3.7 0.7 74.5 392.2 298.2 139.5 18.6 3.5 0.7 0.0 0.8 0.2% 0.9 0.1% 0.0 -0.2% 0.0 -1.5% 0.0 -7.4% 0.0 0.0%29 MOQMTN29 1 3 74.5 407.9 299.3 135.1 24.6 3.0 0.9 74.5 409.2 300.2 135.1 24.6 3.0 0.9 0.0 1.4 0.3% 0.7 0.3% 0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Cottonwood Point Wilderness16 COTTON16 1 2 70.6 451.0 368.1 197.8 33.5 4.7 1.0 70.6 451.7 368.8 198.0 33.5 4.7 1.0 0.0 0.7 0.2% 0.7 0.2% 0.8 0.1% 0.0 0.0% 0.2 -0.6% 0.0 0.0%16 COTTON16 2 1 71.5 453.9 345.0 190.2 31.0 3.5 0.9 77.2 454.8 345.7 191.0 31.0 3.7 0.9 5.7 1.0 0.2% 1.3 0.2% 0.8 0.4% -0.1 0.0% 0.0 5.0% 0.0 0.0%16 COTTON16 2 2 70.9 436.5 355.5 189.7 33.1 3.1 1.0 70.9 437.4 356.7 190.5 33.0 3.1 1.0 0.0 0.9 0.2% 1.3 0.4% 0.8 0.4% 0.0 -0.4% 0.0 0.0% 0.0 0.0%16 COTTON16 3 1 72.8 444.6 351.3 174.7 23.7 3.6 0.9 72.8 446.1 352.6 175.5 23.7 3.6 0.9 0.0 1.5 0.3% 1.3 0.4% 0.7 0.4% -0.1 0.0% 0.0 0.0% 0.0 0.0%16 COTTON16 3 2 71.1 444.1 348.4 183.4 33.3 2.9 0.9 71.1 445.4 349.6 184.1 33.2 2.9 0.9 0.0 1.3 0.3% 1.2 0.4% 0.7 0.4% 0.6 -0.4% -0.2 0.0% 0.0 0.0%16 COTTON16 4 1 73.9 439.5 348.0 172.8 31.6 4.2 0.9 73.9 441.0 349.2 173.5 32.2 4.0 0.9 0.0 1.5 0.3% 1.0 0.4% 0.6 0.4% 0.0 1.8% 0.0 -4.8% 0.0 0.0%16 COTTON16 4 2 72.7 448.7 349.7 166.3 31.3 3.4 0.9 72.7 449.9 350.6 166.9 31.3 3.4 0.9 0.0 1.2 0.3% 1.0 0.3% 0.6 0.3% 0.0 0.1% 0.0 0.0% 0.0 0.0%
Cottonwood WSA38 COTTON38 1 1 72.8 502.5 326.0 92.7 18.0 3.7 0.4 72.8 478.9 293.8 75.7 13.1 2.8 0.4 0.0 -23.7 -4.7% -32.1 -9.9% -17.0 -18.3% -4.9 -27.0% -0.9 -24.2% 0.0 3.2%38 COTTON38 1 2 73.9 484.2 324.1 79.3 16.2 3.8 0.4 73.9 471.9 266.9 73.0 12.8 2.9 0.4 0.0 -12.4 -2.6% -57.3 -17.7% -6.2 -7.9% -3.5 -21.3% -0.9 -23.0% -0.1 -13.8%38 COTTON38 2 1 71.7 475.5 325.8 93.8 18.4 3.7 0.4 71.7 457.8 301.5 80.8 15.6 3.4 0.3 0.0 -17.8 -3.7% -24.3 -7.5% -13.1 -13.9% -2.7 -15.0% -0.3 -6.9% -0.1 -22.6%38 COTTON38 2 2 73.3 470.2 319.2 81.2 15.3 2.5 0.3 73.3 456.3 267.3 76.9 15.9 3.1 0.3 0.0 -13.8 -2.9% -51.9 -16.3% -4.3 -5.3% 0.6 4.1% 0.6 21.7% 0.0 0.0%38 COTTON38 2 3 73.7 481.0 290.1 76.6 15.7 2.1 0.3 73.7 455.7 254.9 73.5 15.0 2.6 0.3 0.0 -25.2 -5.2% -35.2 -12.1% -3.1 -4.0% -0.7 -4.5% 0.4 20.3% 0.0 0.0%38 COTTON38 3 1 72.1 455.5 338.1 88.7 21.8 4.8 0.3 72.1 452.2 320.3 77.6 16.2 3.2 0.3 0.0 -3.4 -0.7% -17.8 -5.3% -11.1 -12.5% -5.6 -25.7% -1.5 -32.2% -0.1 -22.7%38 COTTON38 3 2 72.7 457.7 283.9 85.0 16.6 2.9 0.3 72.7 450.7 248.9 78.7 14.1 2.4 0.3 0.0 -7.0 -1.5% -35.0 -12.3% -6.2 -7.3% -2.5 -14.9% -0.5 -18.1% 0.0 0.0%38 COTTON38 3 3 73.8 454.4 255.1 81.6 16.0 2.6 0.3 73.8 431.9 244.6 76.4 13.8 2.0 0.3 0.0 -22.5 -5.0% -10.5 -4.1% -5.1 -6.3% -2.2 -13.7% -0.6 -23.1% 0.0 0.0%38 COTTON38 4 1 72.9 461.6 304.4 98.4 29.1 6.9 0.3 72.9 461.0 287.3 93.6 19.7 3.7 0.3 0.0 -0.6 -0.1% -17.1 -5.6% -4.8 -4.9% -9.4 -32.3% -3.2 -45.9% 0.0 0.8%38 COTTON38 4 2 71.7 460.7 269.0 83.3 23.7 2.7 0.3 71.7 456.4 264.0 75.6 16.9 2.5 0.3 0.0 -4.2 -0.9% -5.0 -1.9% -7.6 -9.2% -6.8 -28.8% -0.2 -7.1% 0.0 0.0%38 COTTON38 4 3 73.4 450.9 263.3 77.0 18.1 2.2 0.3 73.4 432.2 254.0 69.8 14.8 2.0 0.3 0.0 -18.7 -4.2% -9.3 -3.5% -7.2 -9.3% -3.2 -17.9% -0.2 -8.5% 0.0 1.4%38 COTTON38 5 1 73.3 453.0 277.2 93.7 30.9 5.9 0.5 73.3 451.8 275.0 91.2 25.2 3.9 0.5 0.0 -1.2 -0.3% -2.2 -0.8% -2.4 -2.6% -5.8 -18.6% -2.0 -33.8% 0.0 6.4%38 COTTON38 5 2 72.7 444.8 279.6 91.3 27.3 3.2 0.3 72.7 440.8 274.6 86.5 17.8 2.9 0.3 0.0 -4.0 -0.9% -5.0 -1.8% -4.7 -5.2% -9.5 -34.8% -0.2 -7.5% 0.0 0.0%38 COTTON38 5 3 72.6 437.5 264.3 88.6 21.1 2.4 0.3 72.6 419.9 257.9 80.0 16.9 2.4 0.3 0.0 -17.6 -4.0% -6.5 -2.4% -8.6 -9.7% -4.3 -20.2% 0.0 -0.8% 0.0 0.0%38 COTTON38 6 3 72.2 396.7 271.0 96.0 26.8 2.4 0.3 72.2 393.3 266.0 90.2 15.9 2.3 0.3 0.0 -3.4 -0.8% -4.9 -1.8% -5.8 -6.0% -10.9 -40.8% -0.1 -5.8% 0.0 0.0%
Cougar Canyon WSA41 COUGAR41 2 2 72.8 192.3 110.9 18.8 4.1 1.8 0.1 72.8 192.3 110.9 18.8 4.1 1.8 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 2 3 72.4 185.5 100.6 18.6 4.1 1.8 0.1 72.4 185.4 100.6 18.6 4.1 1.8 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 3 1 72.4 216.2 140.1 24.2 5.5 1.8 0.1 72.4 216.1 140.1 24.2 5.5 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 3 2 73.1 197.4 138.1 23.3 5.7 1.8 0.1 73.1 197.3 138.1 23.3 5.7 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 3 3 73.6 188.9 106.3 21.9 4.3 1.8 0.1 73.6 188.8 106.3 21.9 4.3 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 4 1 70.6 231.0 150.2 25.3 6.1 2.3 0.1 70.6 230.9 150.2 25.3 6.1 2.3 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 4 2 72.0 209.8 144.0 23.2 5.4 1.8 0.1 72.0 209.8 144.0 23.2 5.4 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 4 3 73.0 198.4 128.6 22.8 5.7 1.8 0.1 73.0 198.4 128.6 22.8 5.7 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 5 2 70.7 228.5 150.1 27.0 6.2 2.3 0.1 70.7 228.2 150.0 27.0 6.2 2.3 0.1 0.0 -0.3 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%41 COUGAR41 5 3 71.2 215.0 139.3 23.9 7.0 1.8 0.1 71.2 214.7 139.2 23.9 7.0 1.8 0.1 0.0 -0.3 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 3 2 71.8 174.8 81.2 17.8 4.2 1.8 0.1 71.8 174.7 81.2 17.8 4.2 1.8 0.1 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 3 3 70.7 174.0 77.3 17.0 4.1 0.4 0.0 70.7 174.0 77.3 17.0 4.1 0.4 0.0 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 4 1 73.6 188.9 106.3 21.8 4.3 1.8 0.1 73.6 188.8 106.3 21.8 4.3 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 4 2 73.2 185.2 99.2 18.2 4.3 1.8 0.1 73.2 185.2 99.2 18.2 4.3 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 5 1 73.0 198.8 128.6 22.8 5.8 1.8 0.1 73.0 198.7 128.6 22.8 5.8 1.8 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 5 2 73.6 192.3 104.8 21.5 4.4 1.9 0.1 73.6 192.2 104.8 21.5 4.4 1.9 0.1 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%42 COUGAR42 6 1 71.2 215.0 139.3 23.8 7.0 1.8 0.1 71.2 214.7 139.2 23.8 7.0 1.8 0.1 0.0 -0.3 -0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Deep Creek WSA35 DEEPCK35 1 1 73.5 354.1 235.1 90.7 14.3 2.4 0.8 73.5 349.5 233.7 91.3 14.2 2.4 0.8 0.0 -4.5 -1.3% -1.4 -0.6% 0.5 0.6% 0.0 -0.1% 0.0 0.0% 0.0 0.0%35 DEEPCK35 2 1 72.7 347.0 231.1 99.8 12.8 2.4 1.1 72.7 343.5 230.6 101.2 12.8 2.4 1.1 0.0 -3.5 -1.0% -0.5 -0.2% 1.4 1.4% 0.0 0.2% 0.0 0.0% 0.0 0.0%35 DEEPCK35 2 2 74.5 322.5 215.8 88.0 12.9 2.3 1.0 74.5 318.7 216.5 88.5 12.9 2.3 1.0 0.0 -3.8 -1.2% 0.7 0.3% 0.5 0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%35 DEEPCK35 3 1 72.2 321.3 227.1 86.3 13.8 2.1 1.1 72.2 318.6 229.3 87.8 13.8 2.1 1.1 0.0 -2.7 -0.8% 2.3 1.0% 1.5 1.8% 0.0 0.2% 0.0 0.0% 0.0 0.0%35 DEEPCK35 3 2 74.0 321.5 207.8 75.4 12.7 2.0 1.0 74.0 318.7 209.7 75.9 12.7 2.0 1.0 0.0 -2.9 -0.9% 1.9 0.9% 0.5 0.7% 0.0 0.0% 0.0 0.0% 0.0 0.0%36 DEEPCK6 2 1 74.5 322.5 215.8 88.0 12.9 2.3 1.0 74.5 318.7 216.5 88.5 12.9 2.3 1.0 0.0 -3.8 -1.2% 0.7 0.3% 0.5 0.6% 0.0 0.0% 0.0 0.0% 0.0 0.0%36 DEEPCK6 2 2 75.2 309.4 209.0 70.3 13.5 2.1 1.0 75.2 305.3 209.0 70.3 13.5 2.1 1.0 0.0 -4.1 -1.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Table B.26Noise Level Changes at 4f/303(c) Properties < +0.1 < -0.1Cumulative Number of Events Above LAmax Thresholds - 2020 +0.1 to +1.0 -0.1 to -1.0*Data for Pipe Spring National Monument, Lake Mead National Recreation Area and Cedar Breaks +1.1 to +5.0 -1.1 to -5.0National Monument represents cumulative number of events above 60 dBA. +5.1 to +10.0 -5.1 to -10.0
> +10.0 > -10.0
20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA 25 dBA 35 dBA 45 dBA 55 dBA 65 dBA 20 dBA % 25 dBA % 35 dBA % 45 dBA % 55 dBA % 65 dBA %
Legend
Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2020
LAmax 2020 Net Change
Change in Number of Events Per Average Day Above LAmax Thresholds with Replacement Airport 2020
LA(max) 2020 w/ Existing Airport
Number of Events Per Average Day Above LAmax Thresholds with Existing Airport 2020
LA(max) 2020 w/ Repl. Airport
Grid Group #
Grid Group Name
Column in Grid Group
Row in Grid Group
36 DEEPCK6 3 1 74.0 321.5 208.1 75.4 12.7 2.0 1.0 74.0 318.6 210.0 76.0 12.7 2.0 1.0 0.0 -2.9 -0.9% 1.9 0.9% 0.5 0.7% 0.0 0.0% 0.0 0.0% 0.0 0.0%36 DEEPCK6 3 2 74.9 309.6 184.5 70.7 13.1 2.1 1.0 74.9 306.1 185.6 70.8 13.1 2.1 1.0 0.0 -3.5 -1.1% 1.1 0.6% 0.1 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 2222 SOUTH22 1 1 70.5 542.1 412.7 172.4 29.8 7.3 2.2 70.5 541.9 412.6 172.3 29.8 7.3 2.2 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 1 2 72.5 564.3 447.6 166.9 20.2 8.1 1.0 72.5 564.0 447.4 166.9 20.3 8.1 1.0 0.0 -0.2 0.0% -0.2 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%22 SOUTH22 2 1 71.5 538.5 394.4 160.9 20.7 8.0 2.3 71.5 538.3 394.4 160.9 20.7 8.0 2.3 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 2 2 71.9 555.7 410.9 168.4 22.5 7.6 2.1 71.9 555.4 410.7 168.4 22.5 7.6 2.1 0.0 -0.2 0.0% -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 3 1 72.6 509.3 386.4 161.6 21.1 8.4 2.3 72.6 509.0 386.4 161.6 21.1 8.4 2.3 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 3 2 72.8 546.1 398.2 164.2 20.6 7.4 2.1 72.8 545.9 398.0 164.2 20.7 7.4 2.1 0.0 -0.2 0.0% -0.2 0.0% 0.0 0.0% 0.1 0.6% 0.0 0.0% 0.0 0.0%22 SOUTH22 4 1 71.9 504.4 385.3 166.6 18.8 8.4 2.2 71.9 504.2 385.2 166.6 18.9 8.4 2.2 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.1 0.4% 0.0 0.0% 0.0 0.0%22 SOUTH22 4 2 71.2 543.1 378.5 155.9 18.3 7.3 2.2 71.2 542.9 378.5 155.9 18.4 7.3 2.2 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.1 0.4% 0.0 0.0% 0.0 0.0%22 SOUTH22 5 1 70.7 509.4 374.2 154.7 18.5 5.3 2.1 70.7 509.1 374.2 154.8 18.5 5.3 2.1 0.0 -0.2 0.0% 0.0 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 5 2 70.1 511.8 371.3 140.2 18.5 6.9 2.1 70.1 511.6 371.3 140.3 18.5 6.9 2.1 0.0 -0.2 0.0% 0.0 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 6 1 70.8 504.7 347.7 136.0 17.7 4.7 2.1 70.8 504.6 347.7 136.1 17.7 4.7 2.1 0.0 -0.1 0.0% 0.0 0.0% 0.1 0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%22 SOUTH22 6 2 70.9 505.9 356.8 127.2 18.3 4.4 2.1 70.9 505.7 356.8 127.2 18.3 4.4 2.1 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%22 SOUTH22 7 1 71.8 482.5 344.3 116.7 17.8 4.6 0.3 71.8 482.4 344.5 116.7 17.8 4.6 0.3 0.0 -0.1 0.0% 0.1 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%22 SOUTH22 7 2 72.2 488.5 343.4 113.0 17.9 4.7 0.8 72.2 488.3 343.5 113.1 17.9 4.7 0.8 0.0 -0.2 0.0% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 2323 SOUTH23 1 1 71.9 482.3 314.0 117.0 17.8 4.5 0.3 71.9 482.2 314.2 117.0 17.8 4.5 0.3 0.0 -0.1 0.0% 0.1 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 1 2 72.2 488.7 340.7 113.9 17.8 4.7 0.8 72.2 488.6 340.8 114.0 17.8 4.7 0.8 0.0 -0.2 0.0% 0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 1 3 72.2 490.7 338.5 101.2 19.0 3.9 0.8 72.2 490.5 338.5 101.2 19.0 3.9 0.8 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 1 72.0 452.7 310.4 85.3 18.4 4.9 0.2 72.0 452.7 310.4 85.4 18.4 4.9 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 2 71.3 463.2 321.8 86.0 17.8 4.7 0.4 71.3 463.2 321.9 86.1 17.8 4.7 0.4 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.1% 0.0 0.0% 0.0 0.0%23 SOUTH23 2 3 70.4 468.5 348.1 94.6 18.2 4.4 0.8 70.4 468.3 348.1 94.6 18.2 4.4 0.8 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 1 72.5 451.8 302.6 80.4 18.8 4.8 0.2 72.5 451.8 302.6 80.4 18.8 4.8 0.2 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 2 70.7 450.0 290.9 77.4 17.7 4.7 0.5 70.7 449.9 290.9 77.4 17.7 4.7 0.5 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 3 3 70.6 462.5 292.8 84.3 18.0 4.6 1.0 70.6 462.3 292.8 84.3 18.0 4.6 1.0 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 1 73.5 453.6 282.0 74.8 18.2 4.9 0.3 73.5 453.6 282.0 74.9 18.2 4.9 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 2 71.8 454.8 284.9 81.9 18.2 4.4 0.3 71.8 454.9 284.9 81.9 18.2 4.4 0.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 4 3 70.7 458.4 290.2 83.1 18.1 4.6 0.6 70.7 458.2 290.2 83.1 18.1 4.6 0.6 0.0 -0.2 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 1 74.3 435.7 272.0 78.6 20.8 5.1 0.4 74.3 435.7 272.0 78.6 20.8 5.1 0.4 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 2 73.1 434.7 280.8 78.5 19.1 4.6 0.4 73.1 434.6 280.8 78.5 19.1 4.6 0.4 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 5 3 71.1 443.7 283.9 81.2 18.4 4.6 0.4 71.1 443.6 283.8 81.2 18.4 4.6 0.4 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 6 1 74.6 412.3 256.5 79.3 20.6 3.4 0.4 74.6 412.2 256.4 79.3 20.6 3.4 0.4 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 6 2 74.2 448.5 255.5 81.4 18.7 3.2 0.4 74.2 448.4 255.4 81.4 18.7 3.2 0.4 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%23 SOUTH23 6 3 72.6 459.3 261.4 84.8 17.5 3.1 0.3 72.6 459.2 261.3 84.7 17.5 3.1 0.3 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 2424 SOUTH24 1 1 74.6 410.3 256.5 80.4 20.6 3.4 0.4 74.6 410.2 256.4 80.4 20.6 3.4 0.4 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 1 2 74.2 448.3 255.5 81.7 18.5 3.2 0.3 74.2 448.2 255.4 81.7 18.5 3.2 0.3 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 2 1 74.1 415.5 239.8 81.5 19.4 3.4 0.3 74.1 415.4 239.7 81.5 19.4 3.4 0.3 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 2 2 74.5 422.3 240.8 84.3 17.1 3.1 0.3 74.5 422.2 240.6 84.2 17.1 3.1 0.3 0.0 -0.1 0.0% -0.1 -0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 3 1 73.2 413.9 254.7 92.1 17.2 4.1 0.2 73.2 413.8 254.6 92.0 17.2 4.1 0.2 0.0 -0.1 0.0% -0.1 -0.1% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 3 2 74.3 426.4 269.8 98.2 18.3 3.3 0.2 74.3 426.2 269.7 98.1 18.3 3.3 0.2 0.0 -0.1 0.0% -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 4 1 71.9 416.7 245.3 93.2 16.4 3.7 0.2 71.9 416.5 245.2 93.1 16.4 3.7 0.2 0.0 -0.1 0.0% -0.1 0.0% -0.1 -0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 4 2 73.6 412.2 246.2 97.8 19.6 3.5 0.2 73.6 412.1 246.1 97.8 19.6 3.5 0.2 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 5 1 71.8 407.3 249.3 90.7 24.9 3.5 0.5 71.8 407.2 249.2 90.7 24.9 3.5 0.5 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 5 2 72.5 403.5 248.0 90.2 21.5 3.9 0.2 72.5 403.4 247.9 90.2 21.5 3.9 0.2 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 6 1 70.5 388.3 248.0 101.6 27.0 3.2 0.6 70.5 388.2 247.9 101.6 27.0 3.2 0.6 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 6 2 71.0 388.7 252.5 116.6 23.3 3.2 0.6 71.0 388.6 252.4 116.6 23.3 3.2 0.6 0.0 -0.1 0.0% -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 7 1 70.3 379.2 257.4 125.7 27.5 3.1 0.6 70.3 379.1 257.4 125.7 27.5 3.1 0.6 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 7 2 69.4 370.2 256.9 127.6 28.2 3.6 0.6 69.4 370.1 256.9 127.6 28.2 3.6 0.6 0.0 -0.1 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 8 1 70.6 363.5 263.1 128.2 28.0 5.1 0.7 70.6 363.5 263.1 128.2 28.0 5.1 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 8 2 69.9 368.0 263.6 129.3 27.9 5.6 0.7 69.9 368.0 263.6 129.3 27.9 5.6 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 9 1 70.7 351.4 260.3 131.5 28.0 5.1 1.3 70.7 351.4 260.3 131.5 28.0 5.1 1.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 9 2 70.3 350.7 263.8 127.6 27.5 5.1 0.7 70.3 350.6 263.8 127.6 27.5 5.1 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 10 1 70.9 353.2 256.8 136.8 26.1 4.6 1.4 70.9 353.2 256.8 136.8 26.1 4.6 1.4 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 10 2 71.0 358.3 255.8 131.0 28.5 4.8 0.7 71.0 358.3 255.8 131.0 28.5 4.8 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 11 1 71.8 354.1 247.8 144.2 25.6 2.7 1.3 71.8 354.1 247.8 144.2 25.6 2.7 1.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%24 SOUTH24 11 2 71.7 354.6 242.2 135.3 27.6 3.0 1.3 71.7 354.6 242.2 135.3 27.6 3.0 1.3 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%
Gateway Corridor 3232 EAST32 1 1 73.9 394.6 298.4 119.3 29.0 4.7 0.9 73.9 396.5 300.2 119.9 29.0 4.7 0.9 0.0 1.9 0.5% 1.9 0.6% 0.5 0.5% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 2 72.3 397.1 287.2 116.6 25.0 2.1 0.8 72.3 399.0 288.5 117.4 25.0 2.1 0.8 0.0 1.9 0.5% 1.4 0.5% 0.8 0.7% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 3 71.2 383.7 297.3 124.4 23.8 2.0 0.8 71.2 385.1 298.1 124.4 23.8 2.0 0.8 0.0 1.4 0.4% 0.8 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 4 71.2 393.9 292.2 118.0 24.7 3.1 0.9 71.2 394.8 292.6 118.0 24.7 3.1 0.9 0.0 0.9 0.2% 0.5 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 5 71.6 394.8 284.7 125.7 25.6 2.4 0.8 71.6 395.2 284.8 125.7 25.6 2.4 0.8 0.0 0.4 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 6 73.3 381.2 297.0 117.0 16.6 2.5 0.8 73.3 381.2 297.0 117.0 16.6 2.5 0.8 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 7 74.2 378.5 294.9 135.3 26.4 3.1 0.7 74.2 378.5 294.9 135.4 26.4 3.1 0.7 0.0 0.0 0.0% 0.0 0.0% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 1 8 74.2 378.7 296.0 133.9 27.8 3.1 0.7 74.2 378.7 295.9 133.9 27.8 3.1 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.1 0.3% 0.0 0.0% 0.0 0.0%32 EAST32 1 9 73.2 371.7 293.8 130.9 31.1 3.7 0.6 73.2 372.0 293.8 130.8 31.1 3.8 0.6 0.0 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.1% 0.1 2.2% 0.0 7.4%32 EAST32 2 1 74.5 397.3 268.3 115.5 28.7 4.5 0.8 74.5 399.2 270.1 116.0 28.7 4.5 0.8 0.0 1.9 0.5% 1.8 0.7% 0.5 0.4% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 2 73.6 399.7 271.3 117.1 24.9 2.9 0.9 73.6 401.6 272.6 117.9 24.9 2.9 0.9 0.0 1.9 0.5% 1.3 0.5% 0.8 0.7% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 3 71.8 386.3 285.5 118.4 23.5 2.1 1.0 71.8 387.7 286.3 118.5 23.5 2.1 1.0 0.0 1.4 0.4% 0.8 0.3% 0.1 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 4 71.7 367.7 292.9 122.6 23.8 2.1 1.0 71.7 368.6 293.2 122.6 23.8 2.1 1.0 0.0 0.8 0.2% 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 5 72.3 379.6 285.6 123.8 24.0 2.6 1.0 72.3 380.0 285.6 123.8 24.0 2.6 1.0 0.0 0.4 0.1% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 6 72.3 389.2 279.3 118.0 22.6 2.6 0.9 72.3 389.2 279.3 118.0 22.6 2.6 0.9 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 7 74.2 383.3 292.2 136.2 18.6 2.7 0.9 74.2 383.3 292.2 136.2 18.6 2.7 0.9 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%32 EAST32 2 8 74.6 386.6 288.2 133.7 27.7 3.0 0.7 74.6 386.6 288.2 133.7 27.8 3.0 0.7 0.0 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.2% 0.0 0.0% 0.0 0.0%32 EAST32 2 9 74.2 382.8 288.5 132.7 28.2 3.5 0.8 74.2 383.1 288.5 132.6 28.3 3.5 0.8 0.0 0.3 0.1% 0.0 0.0% 0.0 0.0% 0.1 0.3% 0.1 2.4% 0.0 0.0%
Gateway Corridor 3333 EAST33 1 1 72.7 347.3 271.1 103.2 32.8 2.3 0.3 72.7 348.1 271.8 103.5 32.8 2.4 0.3 0.0 0.7 0.2% 0.8 0.3% 0.3 0.3% 0.0 0.1% 0.1 3.6% 0.0 0.0%33 EAST33 1 2 76.8 337.0 258.7 101.6 16.4 2.5 0.5 74.8 338.1 259.4 102.0 16.4 2.4 0.4 -2.0 1.1 0.3% 0.7 0.3% 0.4 0.4% 0.0 0.0% -0.1 -3.3% -0.1 -22.9%33 EAST33 1 3 75.6 324.4 233.7 97.7 17.8 2.6 0.9 75.6 326.1 234.5 97.8 17.8 2.6 0.9 0.0 1.8 0.5% 0.8 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 4 75.5 298.4 220.1 78.6 17.1 2.1 0.9 75.5 300.1 221.7 78.8 17.1 2.1 0.9 0.0 1.8 0.6% 1.5 0.7% 0.2 0.2% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 5 75.4 288.5 202.3 78.4 14.7 2.2 1.1 75.4 290.0 203.5 79.0 14.7 2.2 1.1 0.0 1.5 0.5% 1.3 0.6% 0.7 0.8% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 6 75.7 273.9 198.2 76.2 14.0 2.1 1.0 75.7 275.2 199.5 76.8 14.0 2.1 1.0 0.0 1.3 0.5% 1.3 0.6% 0.6 0.8% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 7 74.2 260.1 189.2 68.3 14.0 2.0 1.0 74.2 261.4 190.3 68.5 14.0 2.0 1.0 0.0 1.3 0.5% 1.1 0.6% 0.2 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 1 8 71.6 254.4 169.1 55.9 13.4 1.9 0.9 71.6 255.3 169.5 55.9 13.4 1.9 0.9 0.0 0.9 0.3% 0.5 0.3% 0.0 0.0% 0.0 0.0% 0.0 0.0% 0.0 0.0%33 EAST33 2 1 70.9 356.2 273.0 105.5 34.6 2.4 0.3 70.9 357.0 273.7 105.8 34.9 2.4 0.3 0.0 0.8 0.2% 0.8 0.3% 0.3 0.3% 0.3 0.9% 0.0 0.0% 0.0 0.0%33 EAST33 2 2 73.1 336.7 261.3 103.6 14.5 2.9 0.3 73.1 337.8 262.0 103.8 14.5 3.0 0.4 0.0 1.1 0.3% 0.7 0.3% 0.1 0.1% 0.0 0.0% 0.1 2.5% 0.1 28.2%33 EAST33 2 3 74.9 326.9 240.5 101.4 18.0 2.7 0.9 74.9 328.5 241.1 101.8 17.9 2.6 0.9 0.0 1.6 0.5% 0.7 0.3% 0.4 0.4% 0.0 -0.1% -0.1 -2.8% 0.0 0.0%
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