AR226-2270 GIST MEETING M arch 5,2002 Dave Watkins, chairperson, called the meeting to order at 9:15 am on March 5,2002.

AR226-2286 Frank D Sm ith 05/13/2002 08.-25 AM To: Catherine A Barton/AE/DuPont@DuPont cc: Kenneth N Wood/AE/DuPont DuPont, James F Riley/CL/DuPont@DuPonl, Craig L Bartlett/AE/DuPont@ DuPont Subject: TEFLON AT SPRUANCE Cathy FYI Frank Forwarded by Frank D SmrUVAE/DUPont on 05/13/2002 08:24 AM - W . sidoros J Zanikos SfisiHSHMarai To: Michael R Liberati/AE/DuPont@DuPont cc: Andrew S HARTTEN DuPont, Frank D Smith/AE/DuPont DuPont, M ichael J LukasODuPont Subject: TEFLON AT SPRUANCE M ike, the screening levels have been set in W VA as part of the consent order.

AR226-2513 l Andrew S Harttcn 04/01/2002 11:08 AM T o : Hidetaka Hiromatsu/PO/DuPont@DuPont c c : David M Rurak/AE/DuPont@ DuPont, Seiichi Tanaka/PO/DuPont@ DuPont, V ic E Kleinfelter/AE/DuPor>t@DuPont, Etsuo Takenouji/DuPont@DuPont, Koichi lnagaki/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@ DuPont, Katsunosuke Kitagawa/PO/DuPont@ DuPont, Kazuaki Yokovama/PO/DuPorrt@DuPont, Susan L Skrotsky/AE/DuPont@ DuPont, Shikiho itaya/PO/DuPont@ DuPorrt, George H Senkler_Jr/AE/DuPont@ DuPorrt, Diane R Shom per/AE/DuPont@ DuPont, Ta-W ei Fu/SE/DuPont@ DuPont, O scar T Garza/AE/DuPont@ DuPont, Isidoros J Zanikos/AE/DuPont@ DuPont Sub ject: R e: A PFO v s .

AR226-2576 GIST Telephone Conference Minutes January 30,2002 Participants Dave Watkins-WVDEP George Dasher - WVDEP Don Criss - WVDEP Dr.

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AR226-2803 DuPont-5207 TRADE SECRET Study Title H-24648 and H-24020: Biopersistence Screening 20-Dose Oral Gavage Study in Rats with Recovery Period Laboratory Project ID: DuPont-5207 A u t h o r : Susan A.

ECOTOXICITY PROFILE OF 1H,1H,2H,2H-PERFLUORODECANOL Voiksr Koch1,William R BertP, Robert C Buck2,John Gannon2, Robert A Hoke2, Hiroyuki iwai3, Mary A Kaiser2, Seiji Shinya4, Ning Wang2 Teiomer Research Program 1Clarlant Germany, 2DuPont USA, 3Daikin Japan, 4Ashai Glass Japan -- AR226-3358 SYNTHESIS OF PERFLQROMiNQLS (TELOMER ALCOHOLS} pH,1H ,2H.2H-Perfluorodecanol, C A S No. 678-33-7 (6-2 Teiomer ilcohol) Is an Important speciality Intermediate.

News release: Revised fish consumption advice issued for bluegill sunfish in Pool 2 of the...

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INTERIM REPORT # 1-Analvsis of Public Water Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE March 8, 2005 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

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TOXICITY TO AQUATIC PLANTS (Freshwater Diatom, Navicula pelliculosa) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: Sample obtained from 3M production lot number 217.