_ 0751+ ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

Medicine, Health Physics Industrial Hygiene, Toxicology 3M Medical Department 3M Center.

STUDY TITLE Analysis of Pooled Human Sera and Plasma and Monkey Sera for Fluorocarbons Using Exygen Method ExM-023-071 DATA REQUIREMENTS OECD Principles of Good Laboratory Practice, ENV/MC/CHEM(98)17, November 26,1997 STUDY DIRECTOR Emily R.

AR226-1992 AJP003530 E D 0 7 7 0 7 2

AR226-2543 RCRA FACILITY INVESTIGATION PLAN BnPont W ashington W orks W ashington, W est Virginia September 24,1997 DEBS Project No, 7179 Prepared by DuPont Corporate Remediation Group & DuPont Environmental Remediation Services Barley Mill Plaza 27 P.O.Box 80027 Wilmington, Delaware 19880-0027 JSO01918 BD624915 DERS Project No. 7179 September 24,1997 Page!

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'Va*" 'W* AR226-2992 RECHERCHES B iO lO G lQ U E S Baugy, June 17, 1993 STUDY NO. 920083 E PRIMARY CUTANEOUS IRRITATION VMiT'/'ci l.

AR226-3014 L Study Title USP Biocompatibility Testing of H-21016 end B-21017 Study Completed on April 18, 1995 Contracting Laboratory North American Science Associates, Inc. 2261 Tracy Road Northvood, Ohio 43619-1397 for E.

m n < -o o ^ PFOS: A 48-HOUR STATIC ACUTE TOXICITY TEST WITH THE CLADOCERAN (.Daphnia magna) FINAL REPORT WILDLIFE INTERNATIONAL LTD.

Mll'Oioi PFOS: A FLOW -THROUGH LIFE-CYCLE TOXICITY TEST WITH THE SALTWATER MYSID (Mysidopsis bahia) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

Corporate Toxicology Study Outline July, 1998 MlX-oi n DT22; T-7121.1 FC-129 Title: FC-129 Preliminary ADME Screen in Rats Timeline: In Life Start Date: 7/13/98 In Life End Date: 7/17/98 Purpose: This study is designed to provide preliminary information on the absorption, distribution, metabolism and excretion (ADME) of FC-129.

/)R Z X 6 -0 I MICROBIOS MICROTOX TOXICITY TEST TEST SUBSTANCE_______________________________________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC-116, FC-126, FC-169, or FC-143.

ARXlCrOW THE SCIENCE OF ORGANIC FLUOROCHEMISTRY 3M February 5,1999 000002 The Science of Organic Fluorochemistry Introduction The science of fluorochemistry begins with fluorine.

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CHRONIC TOXICITY TO FRESHWATER INVERTABRATES (Daphnia magna) 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: The test substance is a white powder.