OCTANOLFWATER PARTITION COEFFICIENT TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium saltA,mmonium perfluorooctanoateF,C116, FC-1 26, FC-169, or FC-143.

ACTIVATED SLUDGE RESPIRATION TEST SUBSTANCE INHIBITION TEST Identity:Perfluorooctylsulfonadtied,ecyldimethylammonium salt;may alsobe referredtoas Fluoroalkyalmmonium derivative[.1Decaminium, N-decyl-N,N-dimethyl-s,altwith 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafl-uoro-1 octanesulfoniaccid(1:1),CAS # 251099-16-8] Remarks: The 3M productionlotnumber was Lot 1.

TOXICITY TO AQUATIC PLANTS TEST SUB,9-TANCE Identity:Mixturecontainingperfluorooctanesulfonatwehich may also be referredtoas PFOS, FC-95, or as a component of FC-203FC. (1Octanesulfoniaccid)(CAS # 2795-39-3).

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95, oras a component of FC-206CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

Larry R.

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