65
APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, BASE FLOW, AND STORM SEDIMENT DATA Summary charts were prepared and statistical tests were performed on the following indicator parameters: Total Suspended Solids (TSS) Total lead Total zinc Polycyclic Aromatic Hydrocarbons (PAHs, including phenanthrene, pyrene, and indeno[1,2,3-cd]pyrene) Bis(2-ethylhexyl)phthalate (DEHP) Mercury (Storm Sediment Only) Butylbenzylphthalate and Total Phthalates (Storm Sediment Only) Polychlorinated Biphenyls (PCBs) (Storm Sediment Only) 4,4’-DDT (Storm Sediment Only) Total Petroleum Hydrocarbons (Storm Sediment Only)

APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

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Page 1: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

APPENDIX F

DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, BASE FLOW, AND STORM SEDIMENT DATA

Summary charts were prepared and statistical tests were performed on the following indicator parameters: Total Suspended Solids (TSS) Total lead Total zinc Polycyclic Aromatic Hydrocarbons (PAHs, including phenanthrene, pyrene, and

indeno[1,2,3-cd]pyrene) Bis(2-ethylhexyl)phthalate (DEHP) Mercury (Storm Sediment Only) Butylbenzylphthalate and Total Phthalates (Storm Sediment Only) Polychlorinated Biphenyls (PCBs) (Storm Sediment Only) 4,4’-DDT (Storm Sediment Only) Total Petroleum Hydrocarbons (Storm Sediment Only)

Page 2: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-1.Total Suspended Solids (TSS) Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

400

100

200

300

400Co

ncen

tration in m

g/L

441

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

400

0

100

200

300

400Co

ncen

tration in m

g/L

Drain Number230                         235                             237A                            237B                             243                         245                              254

441

Page 3: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-2.Lead Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

50

100

150

200

250

Concen

tration in ug/L

368 379353

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

50

100

150

200

250

Concen

tration in ug/L

Drain Number230                          235                             237A                            237B                             243                         245                              254

368 379353

Page 4: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-3.Zinc Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

100

200

300

400

500

600

Concen

tration in ug/L

1170721

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

100

200

300

400

500

600

Concen

tration in ug/L

Drain Number230                           235                              237A                            237B                             243                         245                              254

1170721

Page 5: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-4.Phenanthrene Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

0.2

0.4

0.6

0.8

1

Concen

tration in ug/L

Drain Number230                           235                             237A                            237B                             243                          245                               254

1.65

Page 6: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-5.Fluoranthene Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

0.5

1

1.5

2

2.5

Concen

tration in ug/L

Drain Number

3.96

230                           235                              237A                            237B                              243                        245                               254

Page 7: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-6.Pyrene Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

0.5

1

1.5

2

2.5

Concen

tration in ug/L

Drain Number230                          235                              237A                            237B                             243                        245                              254

4.12

Page 8: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-7.Indeno(1,2,3-c,d)pyrene Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7Co

ncen

tration in ug/L

Drain Number230                           235                             237A                            237B                              243                         245                               254

Page 9: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-8.Total Low Molecular Weight Polycyclic Aromatic Hydrocarbons (LPAHs) Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

0.2

0.4

0.6

0.8

1

1.2

1.4

Concen

tration in ug/L

Drain Number

4.614.93

230                           235                             237A                            237B                              243                         245                               254

Page 10: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-9.Total High Molecular Weight Polycyclic Aromatic Hydrocarbons (HPAHs) Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10.5210.89

0

2

4

6

8

10

Concen

tration in ug/L

Drain Number

13.56

230                           235                              237A                            237B                            243                          245                              254

Page 11: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-10.Bis(2-ethylhexyl)phthlate (DEHP) Drain-by-Drain Comparison in Stormwater

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

5

10

15

20

25

30

35

40

45

Concen

tration in ug/L

Drain Number230                          235                             237A                            237B                              243                        245                               254

97

Page 12: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-11.Total Suspended Solids (TSS) Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

10

100

1000Co

ncen

tration in m

g/L

230 235 237A 237B 243 245 254

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1

10

100

1000Co

ncen

tration in m

g/L

Drain Number230                         235                             237A                            237B                             243                        245                               254

Page 13: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-12.Lead Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

1

10

100

1000Co

ncen

tration in ug/L

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.1

1

10

100

1000Co

ncen

tration in ug/L

Drain Number230                         235                             237A                            237B                             243                        245                               254

Page 14: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-13.Zinc Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

1170

100

1000

Concen

tration in ug/L

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1170

10

100

1000

Concen

tration in ug/L

Drain Number230                         235                             237A                            237B                             243                        245                               254

Page 15: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-14.Phenanthrene Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1.65

0.001

0.01

0.1

1

Concen

tration in ug/L

Drain Number230                        235                             237A                           237B                            243                          245                              254

Page 16: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-15.Fluoranthene Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.001

0.01

0.1

1

10Co

ncen

tration in ug/L

Drain Number230                        235                             237A                           237B                            243                          245                              254

Page 17: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-16.Pyrene Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.001

0.01

0.1

1

10Co

ncen

tration in ug/L

Drain Number230                         235                            237A                           237B                            243                           245                              254

Page 18: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-17.Indeno(1,2,3-c,d)pyrene Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.001

0.01

0.1

1Co

ncen

tration in ug/L

Drain Number230                         235                            237A                           237B                            243                           245                               254

Page 19: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-18.Total Low Molecular Weight Polycyclic Aromatic Hydrocarbons (LPAHs) Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.001

0.01

0.1

1

10Co

ncen

tration in ug/L

Drain Number230                         235                            237A                           237B                            243                           245                               254

Page 20: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-19.Total High Molecular Weight Polycyclic Aromatic Hydrocarbons (HPAHs) Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10.5210.89 13.56

0.01

0.1

1

10

Concen

tration in ug/L

Drain Number230                         235                             237A                           237B                             243                         245                              254

Page 21: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-20.Bis(2-ethylhexyl)phthlate (DEHP) Drain-by-Drain Comparison in Stormwater [Log Scale]

September 2001 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.1

1

10

100Co

ncen

tration in ug/L

Drain Number230                         235                             237A                            237B                             243                        245                               254

Page 22: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-21.Total Suspended Solids (TSS) Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

20

40

60

80

100

Concen

tration in m

g/L

Drain Number230                              235                             237A                            237B                243                               245                              254

319 258246

140

Page 23: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-22.Lead Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

91

0

10

20

30

40

50

60

70

80

90

Concen

tration in ug/L

Drain Number

112

230                               235                              237A                            237B              243                               245                               254

Page 24: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-23.Zinc Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

401

0

50

100

150

200

250

300

350

400

Concen

tration in ug/L

Drain Number230                              235                             237A                            237B                243                               245                              254

19501400860

Page 25: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-24.Phenanthrene Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.149

0

0.02

0.04

0.06

0.08

0.1

0.12

0.14

Concen

tration in ug/L

Drain Number

0.684

230                              235                             237A                            237B                243                              245                              254

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Figure F-25.Fluoranthene Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

0.05

0.1

0.15

0.2

0.25

0.3Co

ncen

tration in ug/L

Drain Number

1.14

230                              235                             237A                            237B                243                              245                              254

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Figure F-26.Pyrene Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.253 0.255

0

0.05

0.1

0.15

0.2

0.25

Concen

tration in ug/L

Drain Number230                              235                             237A                            237B                243                              245                              254

0.879

Page 28: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-27.Indeno(1,2,3-c,d)pyrene Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.053

0

0.01

0.02

0.03

0.04

0.05

Concen

tration in ug/L

Drain Number230                              235               237A                           237B                            243                              245                              254

0.115

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Figure F-28.Total Low Molecular Weight Polycyclic Aromatic Hydrocarbons (LPAHs) Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

Concen

tration in ug/L

Drain Number

3.28

230                              235                             237A                            237B                243                              245                               254

0.90

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Figure F-29.Total High Molecular Weight Polycyclic Aromatic Hydrocarbons (HPAHs) Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1.21 1.19

0

0.2

0.4

0.6

0.8

1

1.2

Concen

tration in ug/L

Drain Number

3.29

230                         235                             237A                           237B                             243                              245                               254

1.64

Page 31: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-30.Bis(2-ethylhexyl)phthalate (DEHP) Drain-by-Drain Comparison in Base Flow

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0

1

2

3

4

5

6

7

8

Concen

tration in ug/L

Drain Number230                               235                             237A                            237B               243                               245                              254

33 21 16

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Figure F-31.Total Suspended Solids (TSS) Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.1

1

10

100

1000Co

ncen

tration in m

g/L

Drain Number

230                              235                             237A                           237B                 243                              245                              254

Page 33: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-32.Lead Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

112

0.01

0.1

1

10

100

Concen

tration in ug/L

Drain Number230                              235                             237A                           237B                 243                              245                              254

Page 34: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-33.Zinc Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

19501400

1

10

100

1000

Concen

tration in ug/L

Drain Number230                              235                             237A                           237B                 243                              245                              254

Page 35: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-34.Phenanthrene Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.001

0.01

0.1

1Co

ncen

tration in ug/L

Drain Number230                             235                             237A                           237B                  243                              245                              254

Page 36: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-35.Fluoranthene Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1.14

0.001

0.01

0.1

1

Concen

tration in ug/L

Drain Number230                             235                             237A                           237B                  243                              245                              254

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Figure F-36.Pyrene Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.001

0.01

0.1

1Co

ncen

tration in ug/L

Drain Number230                             235                             237A                           237B                  243                              245                              254

Page 38: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-37.Indeno(1,2,3-c,d)pyrene Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.115

0.001

0.01

0.1

Concen

tration in ug/L

Drain Number230                             235                             237A                           237B                  243                              245                              254

Page 39: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-38.Total Low Molecular Weight Polycyclic Aromatic Hydrocarbons (LPAHs) Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.001

0.01

0.1

1

10Co

ncen

tration in ug/L

Drain Number230                             235                             237A                           237B                  243                              245                              254

Page 40: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-39.Total High Molecular Weight Polycyclic Aromatic Hydrocarbons (HPAHs) Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.01

0.1

1

10Co

ncen

tration in ug/L

Drain Number230                              235                             237A                           237B                 243                               245                              254

Page 41: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-40.Bis(2-ethylhexyl)phthalate (DEHP) Drain-by-Drain Comparison in Base Flow [Log Scale]

January 2002 - September 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.1

1

10

100Co

ncen

tration in ug/L

Drain Number230                             235                             237A                           237B                  243                              245                              254

Page 42: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-41.Lead Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-200

0

200

400

600

800

1000

1200

1400

1600Co

ncen

trat

ion

in m

g/kg

Drain Number

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Figure F-42.Mercury Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-0.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6Co

ncen

trat

ion

in m

g/kg

Drain Number

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Figure F-43.Zinc Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-500

0

500

1000

1500

2000

2500

3000

3500Co

ncen

trat

ion

in m

g/kg

Drain Number

Page 45: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-44.Phenanthrene Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-1000

0

1000

2000

3000

4000

5000

6000Co

ncen

trat

ion

in u

g/kg

Drain Number

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Figure F-45.Pyrene Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-2000

0

2000

4000

6000

8000

10000

12000Co

ncen

trat

ion

in u

g/kg

Drain Number

Page 47: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-46.Indeno(1,2,3-c,d)pyrene Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-500

0

500

1000

1500

2000

2500

3000Co

ncen

trat

ion

in u

g/kg

Drain Number

Page 48: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-47.Bis(2-ethylhexyl)phthalate (DEHP) Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-5000

0

5000

10000

15000

20000

25000

30000

35000

40000

45000

50000Co

ncen

trat

ion

in u

g/kg

Drain Number

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Figure F-48.Butylbenzylphthalate Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245-20000

0

20000

40000

60000

80000

100000

120000

140000

160000

180000Co

ncen

trat

ion

in u

g/kg

Drain Number

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Figure F-49.Total Phthalates Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-50000

0

50000

100000

150000

200000

250000Co

ncen

trat

ion

in u

g/kg

Drain Number

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Figure F-50.4,4'-DDT Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-5

0

5

10

15

20

25

30

35Co

ncen

trat

ion

in u

g/kg

Drain Number

Page 52: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-51.Total PCBs Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-100

0

100

200

300

400

500

600

700

800Co

ncen

trat

ion

in u

g/kg

Drain Number

Page 53: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-52.TPH-Oil Drain-by-Drain Comparison in Storm Sediment

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

OUTFALL = 230 OUTFALL = 235 OUTFALL = 237A OUTFALL = 237B OUTFALL = 243 OUTFALL = 245

-2000

-1000

0

1000

2000

3000

4000

5000

6000

7000

8000

9000Co

ncen

trat

ion

in m

g/kg

Drain Number

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Figure F-53.Lead Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10

100

1,000

10,000Co

ncen

trat

ion

in m

g/kg

Drain Number230 235 237A 237B 243 245

Page 55: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-54.Mercury Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

0.01

0.1

1

10Co

ncen

trat

ion

in m

g/kg

Drain Number230 235 237A 237B 243 245

Page 56: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-55.Zinc Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10

100

1,000

10,000Co

ncen

trat

ion

in m

g/kg

Drain Number

230 235 237A 237B 243 245

Page 57: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-56.Phenanthrene Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10

100

1,000

10,000Co

ncen

trat

ion

in u

g/kg

Drain Number230 235 237A 237B 243 245

Page 58: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-57.Pyrene Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10

100

1,000

10,000Co

ncen

trat

ion

in u

g/kg

Drain Number

230 235 237A 237B 243 245

Page 59: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-58.Indeno(1,2,3-c,d)pyrene Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10

100

1,000

10,000Co

ncen

trat

ion

in u

g/kg

Drain Number

230 235 237A 237B 243 245

Page 60: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-59.Bis(2-ethylhexyl)phthalate (DEHP) Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1,000

10,000

100,000Co

ncen

trat

ion

in u

g/kg

Drain Number230 235 237A 237B 243 245

Page 61: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-60.Butylbenzylphthalate Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

100

1,000

10,000

100,000

1,000,000Co

ncen

trat

ion

in u

g/kg

Drain Number

230 235 237A 237B 243 245

Page 62: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-61.Total Phthalates Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1,000

10,000

100,000

1,000,000Co

ncen

trat

ion

in u

g/kg

Drain Number230 235 237A 237B 243 245

Page 63: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-62.4,4'-DDT Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1

10

100Co

ncen

trat

ion

in u

g/kg

Drain Number230 235 237A 237B 243 245

Page 64: APPENDIX F DRAIN-BY-DRAIN BOX PLOTS OF STORMWATER, …cms.cityoftacoma.org/surfacewater/foss2011/F.pdf · the box boundaries. The whiskers represent the remaining data minus the outliers

Figure F-63.Total PCBs Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

1

10

100

1000Co

ncen

trat

ion

in u

g/kg

Drain Number

230 235 237A 237B 243 245

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Figure F-64.TPH-Oil Drain-by-Drain Comparison in Storm Sediment [Log Scale]

March 2002 - August 2010

Key: MedianMean

Note:

Moderate Outlier (Value is greater than the third quartile plus 1.5 * interquartile range (IQR) or less than the first quartile minus 1.5 * IQR)Extreme Outlier (Value is greater than the third quartile plus 3.0 * interquartile range (IQR) or less than the first quartile minus 3.0 * IQR)

Box boundaries display the IQR of the distribution ranging from the first quartile to the third. The central 50% of data is within the box boundaries. The whiskers represent the remaining data minus the outliers.

10

100

1,000

10,000Co

ncen

trat

ion

in m

g/kg

Drain Number

230 235 237A 237B 243 245