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AR226-2629 17 AR226-262 9 Dordrecht Works C-8 Sam Summary-Revision 1 Groundwater Sampling Results Revision 1 Note: Revision 1 of the Dordrecht Works March 2003 sampl event summary was prepared based on new well const information received in June 2003.

AR226-2758 FOR DU POUT USE ONLY Copies co E. 1, du Font de Nemours and Company llaBkeii Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark, Delaware 19711 HASKELL LABORATORY REPO&T NO. iUUb-BU 1 Teote -nw Haak-'ll No.

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AR226-3080 DuPont HLO-1997-00636 TRADE SECRET $ftHlym Toxicity ofH-22387 to the Freshwater Alga, Selenastmm capricomutum HMfceH Laboratory Project 8P Haskell Laboratory Outside Report No. 1997-00636 Teat Guidelines Organisation for the Economic Co-operation and Development(OECD) Guideline for Testing Chemicals: 201 EU Commission Directive 92/69/EEC, Method C.3 U.S.

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AR226-3181 TRADE SECRET Testing Guidelines International Conference on Harmonisation (ICH) of Technical Requirements for Registration ofPharmaceuticals for Human Use.

HARARE - RAY. 406 MR226 _ 3224 -_ oDwuepwow94n17 TRADE SECRET Study Tide H-25134: Oral Approximate Lethal Dose (ALD) in Rats Laboratory Project ID: DuPont-9417 AUTHOR: Carol Finlay, BA STUDY COMPLETED ON: January 21, 2002 PERFORMING LABORATORY: E.L du Pont de Nemours and Company Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

AR2RG - 3268 450 AR226 - 3268 4 HaskealnldLIanbdoursattioarlyMfeodriTcoixniecology March 13,2003 To: C Study in Rats.

Haskell Laboratory for Toxicology and Industrial Medicine AR226-3373 October 30,1998 To: From: AG Haskell Laboratory Haskell Laboratory CARCINOGENIC AND DEVELOPMENTAL TOXICITY HAZARD DETERMINATIONS AMMONIUM PERFLUOROOCTANOATE (Octanoic Acid, Pentadecafluoro-, Ammonium Salt) CAS REGISTRY NO. 3825-26-1 Ammonium perfluorooctanoate (C-8) has been reviewed according to DuPont Corporate Standard S18T (Hazard Determination Process) for assessment and control of carcinogenic and developmental toxicity hazards.

0 13 r) IN VITRO MICROBIOLOGICAL MUTAGENICITY OF 3H COMPANY'S COMPOUND T-3609 ASSAYS Final Report September 1984 By: Debra E.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonamtaey; alsobe referredtoas PFOS, FC-95,or as a component ofFC-203C and L-5440. (1-Octanesulfoniaccid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecapfoltuaosrsoi-u,m saltC,AS # 2795-39-3) Remarks: The 3M productionlotnumber was 501.