ACUTE TOXICITY TO INVERTEBRATES TEST SUBSTANCE (GRASS SHRIMP) Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component ofFC-206 or L3243. (1-Octanesulfoniacid)(CAS # 2795-39-3).

ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component of FC-780B. (1Octanesulfoniaccid)(CAS # 2795-39-3).

M a y I , 200I C ERTI FI ED b1-41L Document Processiiiz Center ( 7407) ' (Attn: Section S( e ) coordinator) Office of Toxic Substances US Environmental Protection Agent!

HYDROLYSIS (ALKALINE) TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanolm;ay alsobe referredto as N-ETFOSE Alcoholor FM-3422.

ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE Identity:MixturecontainingPerfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-206A. (1Octanesulfoniaccid)(CAS # 2795-39-3).

o ie 78% 156 Experinent to.: Conducted ats Dates Conducted: Conducted By: 20 bay Percutaneous Absorption Study 7 with re-s9 in Albino Rabbits 097980633 SRStia.kfeertTyaLuaE,bvoaWrliautnaontreiisoeonsr,sLaIbnocr.atory October 24, 1979 to December 18, 1979 a ooi %. bo oanel, 5 3 Bite RStauvdaynceDdirTecotxoircologist Reviewed By: der mKFoInl..

. 7-394" 28 Day Percutaneous Absorption Study | -.

: #R226 _ 081 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5uo,roorocatsanaescuolmfopnoanteen,twhoifcFhC-m3a0y31a,lso(1b-e Octanesulfonic acid) (CAS # 2795-3-3).

CHRONIC TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredtoas 78.03,PFOA ammonium saltA,mmonium perfluorooctanoateP,FO, FC-1 16,FC-126, FC-169, or FC-143.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, oras a component of FC-783. (1Octanesulfoniaccid)(CAS # 2795-39-3).

Copies to: AR226-2752 E.

Copies to: E I. du Font de Nemours and Company Haskell Labt .atory for Toxicology and Industrial Madicine HASKELL LABORATORY REPORT NO. 960-76 MR NO.

- AR 226 -- 0870 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-7808B. (1Octanesulfonic acid) (CAS # 2795-39-3).

SOIL ADSORPTION TEST SUBSTANCE Identity:N-ethylperfluorooctasnuelfonamidoethanolm;ay also be referredtoas 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-hydroxyethyly, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidof uncharacterizedpurity.

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