JEFFERSON MEDICAL COLLEGE [HOMAS JEFFEoRfSON UNIVERSITY paniecrBearuni gehnns e iof isoonfsAntony In " ARR222266-0530 FrTae1d9)e,ee921007 Noveaber 12, 1982 DTMroe.xdticFcoralalongkDyleipnaSreDtr.mveiGncrteisffith 7S0e-2P8a-u0l2, M3iMnnGeenstoetra 55101 Dear Dr.

BACK TO MAIN BIODEGRADATION (METHYLENE BLUE ACTIVE SUBSTANCE) 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 field: The 3M production lot was 158.

ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-602. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ARRAZG -- O746 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen;tmoafyFaCl-s2o0b3eC a1,n1d,2L,-25,434,03.,4,(41,-5O,c5,t6a.n6e,s7u.l7f,o8n,i8c,8a-chiedp,tadecafiuoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number L-5440.

OTHER "AILABLE STUDY SUMMARIES FOR N-ETFOSE ALCOHOL TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredtoas N-ETFOSE Alcoholor FM-3422. (1-Octanesulfonamide,N-ethyi1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidofuncharacterizedpurity.

BIODEGRADATION TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acmeatyatael;sobe referretdoas PFOSAA, FC-128 oras the major component of FC-127,FC-129,FC-109,orFC-109-X.

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

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may also be referredtoas PFOS, FC-95, or as a component of FC-600. (1-Octanesulfonicacid,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-p,otassiumsalt,CAS # 2795-39-3) Remarks: The 3M productionlotnumber was notnoted.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-3041. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ichmay alsobe referredtoas PFOS, FC-95, oras a component ofFX-3104. (1Octanesulfoniaccid)(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 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, FC-109-X, FC-4351, or L-6778.

Experiment No.: Conducted At: Dates Conducted: Conducted By: Acute Ocular Irritation Test with T-3608 in Albino Rabbits 0984ES0367 Pathology and Toxicology Riker Laboratories, Inc.

ACUTE TOXICTTY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-3041. (1Octanesulfoniaccid)(CAS # 2795-39-3).

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:A mixturecontainingperfluorooetanesulfbnatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFX-3104. (1Octanesulfoniaccid)(CAS # 2795-39-3).