AfU ^-c^ CHRONIC TOXICITY TO EARLY LIFE STAGE OF FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,77,8,8,8heptadecafluoro-, potassium salt, CAS #2795-39-3) Remarks field: The test substance is a white powder.

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.

3M Medicine, Health Physics Industrial Hygiene, Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 ~ St.

M SLSlG - 0 2 6 0 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (ACARTIA TONSA) TEST SUBSTANCE______________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfonic acid) (CAS # 2795-39-3).

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POLYMER PRODUCTS DEPARTMENT MANUFACTURING DIVISION AR226-2012 CC: R.

AR226-2454 INTEROFFICE MEMORANDUM TO: Distribution List Date: From: Dept: Tel No 05-Nov-1998 09:23am JOHN F.

AR226-2464 LX,!'

Study Completed On September 14, 1995 ) Performing Laboratory E I. du Pont de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road, P. 0.

AR226-3037 Study Tille Eye Irritation Test with H-21460 in Rabbits Laboratory Project ID Haskell Laboratory Report No. 82-96 Author Tracy A.

TRADESECRET AR226-3082 DuPont H L-1997-01205 Study Title H-22994: SKIN IRRITATION T e s t IN RABBITS L a b o r a t o r y P r o je c t ID : HD-1997-01205 Author: Tracy A.

fifL - o 6 9 *> ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE_____________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95 or as a component of FC-201AF. (1Octanesulfonic acid) (CAS # 2795-39-3).

4 K -2 2 6 _ Oi2Z BIODEGRADATION (BOD/COD) TEST SUBSTANCE_______________________________________ ____ Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).

mi-oioD CHRONIC TOXICITY TO THE SALTWATER MYSID TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (1-Octanesulfonic add, 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.

A R IO S I?