EMSER13-03/4842 Page 5 of 28 DuPont EMSE Report No. 13-03 Conclusion: Under the test conditions, 8-2 TEA is not readily biodegradable.

Prior to 1991, DuPont performed C-8 analysis at the DuPont Experimental Station in Wilmington, Delaware.

Duns nul contain TSCA CB) DuPont HLO-1997-00636 QUALITY ASSURANCE STATEMENT Submitted by: T.R.

Proposed Additional Investigation on Ohi -Little Hocking and Porterfield Areas DuPont Suggested Modifications Establish 8 locations for surface soil sampling in these areas based o results of air and groundwater modeling: - Two sampling events will be conducted, one directly after a >.5 inch rain event, the other after 5 days of no precipitation.

DuPont Company, Haskell Laboratory for Toxicology and Industrial Medicine,'!

Maat - a n 439 >v TRADE SECRET Study Title H-25434: Static, Acute, 96-Hour Screening Test to Pimephales promelas Laboratory Project ID: DuPont-11408 3AS7 DuPont-11408 A u t h o r : Laurie D .

Zipfel DuPont Polymers P. 0.

Childem play in water, water garden and 'Well used for all purposes. 11/8/2004 Page1 of 2 Residential Sampling Locations in Ohio and West Virginia DuPont Washington Works DR.

Ocas DuPont HLH 6?

8-70 4.8 1971-73 12 5.3 DUPONT 916 000009 TABLE V OBSERVED NUMBER OF M.I.

Calltghan Secretwy Andrew Hartten Dupont Corporate Remediation Group Barley Mill Plaza Building 27 WDelialwmarien1g9t8o05n,________________________________ Re: Washington Works and Dupont Landfills Order #GWR-2001-019 Wood and Mason Counties Dear Mr.

Does not contain TSCA CBI Skin Irritation Test with H-2I987 in .Rabbits DuPont HLR 605-96 B.

Unpublished report, DuPont-21910 5 DuPont 2007c.

Zipfel DuPont Polymers P. 0.

svf'wsw 89=8* n" TRADE SECRET ARiW -i S DuPont-11409 Study Title H-25434: Static, Acute, 48-Hour Screening Test to Daphnia magna Laboratory Project ED: DuPont-11409 Author: Laurie D.