A fO O irW jL BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, or FC-143.

Aft.1160521 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE________________________________________________ Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, FC-143 or as the major component of FC1015.

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M SLZ6 _ 07jUt- ACUTE TOXICITY TO FISH (MUMMICHOG) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

0730 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE___________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1Octanesulfonic acid) (CAS # 2795-39-3).

M SLAG _ 0733 BIODEGRADATION (OECD 301E) TEST SUBSTANCE ________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203A. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR - 02So ACU TE TOXICITY TO AQUATIC IN V ERTEBRA TES (DAPHNIA MAGNA) T E S T S U B S T A N C E ___________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to a s P F O S , FC-95, or as a component of FC -787 or FC 787X. (1-Octanesulfonic acid) (C A S # 2795-39-3).

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Toxicological Summary AR226-1746 PFOS Dietary Acute Northern Bobwhite Study Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 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 test substance is a white powder (3M lot #217).

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AR506-O3SI MICROBIOS MICROTOX TOXICITY TEST 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, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) Remarks: Test sample is a mixture of the test substance in water and 2propanol, 1-(1,1-dimethylethoxy).