AR226-03%8 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,122,334,4,556,6,7,7,8,8,9,9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) pRreompaarnkosl,: 1T-e(s1,t1s-daimmpeltheyliestahomxiyx)t.ureThoifstmhiextteusrtescuobnsttaainncseapinprwoaxtiemraatneldy22-226% test substance, 33-37% propanol, 1-(1,1-dimethylethoxy), 0.5-1.5% perfluorononanesulfonate, ammonium salt and 38-42% water).

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AR6-0512 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to `1a1s6P, FFOC-A12a6m,moFCn-i1u69m,saolrt,FCA-m1m4o3.ni(uOmctpaenrofilcuoarcoiod,ctanoate, FCpentadecafluoro-, ammonium salt, CAS # 3825-26-1) Remarks: 3M production lot number 350.

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BIODEGRADATION (OECD 301E) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referretdoas PFOS, FC-95,oras a component ofFC-203. (1Octanesulfoniaccid)(CAS # 2795-39-3).

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5 OTHER AVAILABLE STUDY SUMMARIES FOR N-EtFOSE ALCOHOL TEST SUBSTANCE_________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

MUG-O M 3 OCTANOL/WATER PARTITION COEFFICIENT TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

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AfL ASL6 - 07A 3 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 FC-203CE. (1Octanesulfonic acid) (CAS # 2795-39-3).

09W 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 FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

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