AR226-03MI TOXICITY TO AQUATIC INVERTABRATES (E.G., DAPHNIDS) TEST SUBSTANCE______________________________ Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamlde, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8 ,8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid, Lot 505 (cc842-3, F6309, L-1089).

A ft. 3.6 - 0 & < f 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-600. (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 3M production lot number was not noted.

A R a .a -6 - 0 9 \ & ACUTE TO XIC ITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE_________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

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Internal Correspondence B A C K TO M AIN t, Commercial Chemicals Analytical Report #247 To: M.

BACK TO MAIN TOXICITY TO FISH (Freshwater Rainbow Trout) 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 of uncharacterized purity.

A R SlA 6 _ 0 8 7 / BIODEGRADATION (OECD 301D) I ES31SUB5TAMCE____________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-780B. (1Octanesulfonic acid) (CAS # 2795-39-3).

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AR226-3383 HASKELL LABORATORY Common Name: Telomer B Carbamate Cbpimiral Name: Reaction product of hexamethylene diisocyanate biuret with alpha-fluorogamma-hydroxyethyl-poly(difhoromethylene) and 3-chloro-1,2-propanediol (37.7% aqueous dispersion) CAS Registry No.: None Chemical Structure: oh ho HI I It IR f - C - N - ( C H , ) , - N - C 26 H OIII N - (CH ,).

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&x6 ACUTE TO XICITY 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 FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

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