A R M 6 - 07S X 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).

M 0802s 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-206C and L-5439. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 501.

Apnl 2. p m BESTcopy AVAILABLE M2K-OI-7G Larry and Jeff - For the attached graphs and tables.

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AR226-2730 DuPont EMSER Report No. 97-03 Study Title A ctivated Sludge Respiration Inhibition Test of Z onyl^ B ^ ) (OECD 209) Test Guideline(s) OECD (1984) Guideline for Testing of Chemicals, Section 2, No. 209: "Activated Sludge, Respiration Inhibition Test", adopted April 4, 1984 Author(s) William R.

&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).

A n *& 6 - o q z s * ACUTE TO XIC ITY 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 L-4647, (1Octanesulfonic acid) (CAS # 2795-39-3).

Experim ent No.: Conducted At: D ates Conducted: Conducted By: Reviewed By: Primary Skin I r r it a t io n T e st w ith T-3421 in A lbino R abbits 0883EB0288 ARUfe-OatZ V % Safety Evaluation Laboratory Riker L ab o rato ries, Inc.

Internal Correspondence de: M.

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 fi. & Z 6 _ 0 7 t j - 2 A C U T E T O X IC IT Y TO FISH (M U M M ICH O G ) T E S T S U B S T A N C E _____________________________________________ Identity: A mixture containing perfluorooctanesulfonate; may also be referred to as PFO S, FC-95, or as a component of FC-203C and L-5440. (1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-, potassium salt, C A S # 2795-39-3) Rem arks: The 3M production lot number w as not noted.

BACK TO MAIN WATER SOLUBILITY TEST SUBSTANCE Identity: Decafluoro(pentafluoroethyl)cyclohexanesulfonate, DEA salt; may be referred to as CS-2070.

BACK TO MAIN TOXICITY TO AQUATIC 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 of uncharacterized purity.

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