MICROTOX@ TOXICITY TEST TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredto as PFOA ammonium salt,Ammonium perfluorooctanoateF,C116,FC-126,FC-169,orFC-143.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: N-Ethylperfluorooctanesulfonamide; may also be referred to as U1464, EtFOSA, EtPOSA, F-6309, or FX-12. (1Octanesulfonamide, 1,1,2.2,3,3,4.4,6,5.6,6.7.7.8,8.8heptadecafluoro-N-ethyl-, CAS # 4151-50-2) Remarks: Material is a white solid, lot 505 (cc842-3, F6309, L-1089).

:: Internal Correspondence A A 226 9 28( ACNOAMLMYETRICCIAALL RCEHPEOMRITCA#L3S46 E.G.

AR2260365 OTHER AVAILABLE STUDY SUMMARIES FOR N-EtFOSE ALCOHOL TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N1,-1E,t2,F2O,S3,E3,A4l.c4o,h5o,l5,o6r,6F,M7-.374,82,28.,8-(h1e-pOtcatdaenceafsluulofroon-aNm-i(d2-eh,ydNr-oextyheytlh-yl)-, CAS # 1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

ST internal Comespondence +7AR226-048H eakts Eval.

AR726-0508 CHRONIC TOXICITY TO FRESHWATER INVERTABRATES (Daphnia magna) TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, FC- 116, FC-126, FC-169, or FC-143, pentadecafluoro-, ammonium salt, (Octanoic acid, CAS # 3825-26-1) Remarks: The 3M production lot number is 264.

AR 226-0924 BIODEGRADATION (BOD/COD) TEST SUBSTANCE.

BACK TO MAIN TOXICITY TO FISH (Saltwater 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.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component ofFX-3103. (1Octanesulfonicacid)(CAS # 2795-39-3).

AR 226 -- 0835 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IEST~S ~UBSTANCE 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 628.

.

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

AR226-1980 'Is "TO / :

FOR DU FONT USE ONLY ; CC AR226-2908 0.

TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor 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: Materialisan off-whitew,axy solidofuncharacterizedpurity:The limitedwater solubiliotfythismaterialprohibiteda definitive determinationofthe aquatictoxicity.