'HERCULESHercules IncorporatedHercules PlazaWilmington, Delaware 19894(302) 594-5000Telex: 83-5479

July 2 9 , 1988

Kate ArthurU. S. Environmental Protection AgencyRegion 614A5 Ross AvenueDallas, Texas 75202-2733

RE: Vertac Off-site Areas - Fine Grid Sampling PlanJacksonville, Arkansas

Dear Kate:

Pursuant to the conditions of the Administrative Order on Consent for theabove-referenced matter, herewith transmitted are further results for analysesfor total TCDD which were sent to us by TMS Analytical Services on Monday,July 25, through Friday, July 29 , 1988.

The results received on Monday were originally given to you on Tuesday inJacksonville. The results received on Tuesday were obtained verbally inJacksonville and given to in hand-written form; you may want to check thesenumbers as it appears that I may have transposed some digits in receiving theinformation by phone from TMS. I'm sorry that I got the hard-copy results toolate to give to you while you were still in Jacksonville.

I have, again, included lists correlating the IT sample numbers with thesampling locations. The location descriptions are taken from the the ITsample collection log sheets.

Sincerely,

Florence K. Kinoshita, P h . D .Senior Toxicologist

Enclosurescc: Dana Simerly, IT Corporation

80757

IT Saxple It

2034

2035

2036

2042

2043

2044

2083

2084

2085

2089

2090

2091

2097

2098

2173

2177

2178

2179

2183

2184

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Soil;

Row

Row

Row

Row

Row

Row

Bow

Sow

Row

Row

Row

Row

Row

Row

Row

Row

Row

Row

Row

Row

2,

2,

2,

2.

2,

2,

2,

2,

2.

2,

2,

2,

2,

2,

1,

1,

1,

1,

1,

1,

West,

North,

South,

South,

West,

North,

South,

West,

North,

North,

West,

South,

North,

West,

South,

North,

South,

East,

East,

North,

250 to 500 f t . ,

250 to 500 ft.

250 to 500 ft .

500 to 750 ft.

500 to 750 ft. ,

500 to 750 ft .

2112 West Lane

2112 West Lane

2112 West Lane

2203 Braden

2203 Braden

2203 Braden

2202 Braden

2202 Braden

617 Brookhaven

613 Brookhaven

613 Brookhaven

613 Brookhaven

609 Brookhaven

609 Brookhaven

West Rocky Branch

, West Rocky Branch

, West Rocky Branch

, West Rocky Branch

West Rocky Branch

, West Rocky Branch

-

II Sample t

2122 Soil; Manhole t2745, East, 1704 Hill

2123 Soil; Row I, South, 1704 Hill

2124 Soil; Row 1, East, 1704 Hill

2125 Soil; Row 1, North, 1704 Hill

2130 Sediment; North (»1) Quad, Lake Dupree

2131 Sediment; »2 Quad, Lake Dupree

2132 Sediment; «3 Quad, Lake Dupree

2133 Sediment; »4 Quad, Lake Dupree

2134 Soil-, Oxidation Pond's Perimeter

2135 Soil; Aeration Basin Perimeter

2137 Soil; Row 1, South, 1703 Hill

2138 Soil; Row 1, North, 1703 Hill

2139 Soil; Row 1, East. 1703 Hill

2143 Soil; Row 1, North, 629 Brookhaven

2144 Soil; Bow 1, East, 629 Brookhaven

2146 Soil; Kow 1, South, 629 Brookhaven

2149 Soil; Row 1, South, 625 BrookhavenQC 2156

2150 Soil; Row 1, North, 625 Brookhaven

IT Saaple • ,oc»tion

2185 Soil; Row 1, South, 609 Brookhaven

2189 Soil; Row 1, Ea«t, 605 Brookhaven

2190 Soil; Row 1, North, 605 Brookhaven

2191 Soil; Row 1, North, 605 BrookhavenQC 2190

2193 Soil; Row 1, South, 605 Brookhaven

2197 Soil; Row 1, East, 601 Brookhaven

2198 Soil; Row 1, South, 601 Brookhaven

2199 Soil; Row 1, North, 601 Brookhaven

2203 Liquid, equipment rinse

220A Soil, Blank

2205 Hexane, trip blank

II Sample •

2099 Soil; Row 2, South, 2202 Braden

2206 Sludge, West end of North Lagoon; Top Sediment

2207 Sludge, Weft end of North Lagoon; Clay Liner

2208 Sludge, East corner of North Lagoon; Top Sediment

2209 Sludge, East half of North Lagoon; Clay Liner

2210 Sludge, East half of North Lagoon; Clay LinerQC 2209

2212 Sludge, West end of South Lagoon; Clay Liner

2213 Sludge, West end of South Lagoon; Top Sediment

221* Sludge, East end of South Lagoon; Clay Liner

2215 Sludge, East end of South Lagoon; Top Sediment

IT Sample « Location

2244 Soil; 604 Brookhaven; Riddle of fence, between fence and pool

2245 Soil; 604 Cheryl; Middle of fence across backyard

2246 Soil; 2200 Braden; 4 ft. north side of telephone pole on corner

2247 Soil; 2111 Braden; between plants and house <4 f t . ) on west side

2249 Row 3, North, 0 to 250 f t . . West Rocky Branch

2250 Soil; Row 3 , West, 0 to 250 f t . . West Rocky Branch

2252 Soil; Row 3, South, 0 to 250 f t . . West Rocky Branch

2256 Liquid, Hexane Equipment Rinse

2257 Soil; Sow 3, North, 250 to 500 f t . . West Rocky Branch

2258 Soil; Row 3 , South, 250 to 500 f t . . West Rocky Branch

2259 Soil; Row 3, West, 250 to 500 f t . . West Rocky Branch

2263 Soil; Row 3, West, 500 to 750 f t . . West Rocky Branch

2264 Soil; Row 3 , North, 500 to 750 f t . . West Rocky Branch

2266 Soil; Blank

2267 Soil; Row 3 , South, 500 to 750 f t . . West Rocky Branch

2271 Soil; Row 3 , West, 750 to 930 f t . . West Rocky Branch

2272 Soil; Row 3 , North, 750 to 930 f t . . West Rocky Branch

2273 Soil; Row 3 , South, 750 to 930 f t . . West Rocky Branch

2Z77 Soil; Row 3, North, 2112 West Lane

2279 Soil; Row 3 , South, 2112 West Lane

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