ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95, oras a component ofFC-206 or L3243. (1-Octanesulfonaiccid)(CAS #2795-39-3).

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

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiaccid,ammonium salt;may alsobe referredtoas PFOA ammonium salt,Ammonium perfluorooctanoateP,FO, FC116, FC-1 26, FC-1 69, or FC-143.

28 Day Percutaneous Absorption Study with FC-99 in Albino Rabbits Experiment No.: Conducted At: Dates Conducted: Conducted By: 0979ABO633 Safety Evaluation Laboratory Riker Laboratories, Inc.

BIODEGRADATION TEST SUBSTANCE Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as 1N,-1E,t2.F2O3S,3E.4A,l4c.o5h,o5l,6o,r6F,M7,-73,482,28.,8-(h1e-ptOacdteacnaefsluulofroon-Na-m(i2d-eh,ydNr-oextyheytlh-yl)-, CAS #1691-99-2) Remarks: Material is an off-white, waxy solid of uncharacterized purity.

.

AR R26 - 0716 ACUTE TOXICITY TO FISH (BLUEGILL SUNFISH) IESTSUBS ~~ T~AN 00 CE 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 # 2795-393).

AR 826 -- 0794 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng,pFeCr-f9l5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y6Aa.lso(1b-e Octanesulfonic acid) (CA#S 2795-39-3).

AR226-1976 f Z-4?

Co ARI2G-O WS \ Industrial 1B 810 I -FRTOENO TSATGELaRbOoArDu.tsuies, Ine.

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AR226-2842 SwSu&t^, BIO-TEST AA^zA^A Sw. \ 1810 FRONTAGE ROAD NohTMBROOK.

BIOACCUMULATION (ANALYTICAL ONLY) TEST SUBSTANCE Identity:N-ethylperfluorooctanseulfonamidoethanol;may alsobe 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-hydroxyethyl)-, CAS # 1691-99-2) Remarks: Materialisan off-whitew,axy solidofuncharactedzed purity.

SUMMARY FOR WORK PERFORMED FOR THE GERMAN GOVERNMENT AGENCY FOR MILITARYTECHNOLOGY AND PROCUREMENT ON FIRE EXTINGUISHING FOAM COMPOUNDS FROM MULTIPLE COMPANIES TEST SUBSTANCE IdentityA:mixturceontainiPnegrfluorooctanesulfwohniacthem,ay alsobe referredtoas PFOS, FC-95, oras a component ofFC-3017. (1Octanesulfoniaccid)(CAS # 2795-39-3).

IN VITRO MICROBIOLOGICAL @FLTTAGENICITY ASSAYS OF THREE 3M COMPANY COMPOUNDS Final Report April 1978 By: Vincent F.