r^:'-'-'''-la',s^-f~--rs'- AR226-3015 Study Title Approximate Lethal Dose (ALD) of H-21095 in Rats Laboratory Project ID Haskell Laboratory Report Mo. 290-95 Author M.

AR226-3134 CONFIDENTIAL SPONSOR ElfAtochemS.A.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity:Mixturecontainingperfluorooctanesulfonatweh,ich may also be referredto as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfoniaccid)(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-603EF. (1Octanesulfonicacid)(CAS # 2795-39-3).

SREECSEEIVCEBDI.C qmFEp22 MN FINAL REPORT PROTOCOL 418-009 PERINCAOTMABLI/NPEODSTONRAATLAL(GRAEVPARGOE)DUFCERTTIIOLNITTY,OXDIECVITEYLOSPTMUEDNYTOAFL NA-NEDtFOSE IN RATS.

AR 6 -- 070% ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IesTsusTa0N 00 GE Identity: rMeifxetrurreed ctoonatasiPniFnOgSp,erFfCl-u9o5r,ooocrtaansesauclfoomnpaotneewnhticohf FmCa-y20a1lsFo. be (1-Octanesulfonic acid, 1,1,22,3.3,4,4,6,5,6.6,7,7,88.8heptadecafiuoro-, potassium salt, CAS # 2795-39-3) Remarks: The 3M production lot number was 1.

AR R26 -- 0754 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5u,oroorocatsanaescuoimfponoanteen,twhoficFhC-m2a0y3CaEls.o b(1eOctanesulfonic acid) (CAS # 2795-39-3).

AR 826 - O762 MICROBICS MICROTOX TOXICITY TEST IEST ~S ~U ~ BSTANC 00E 00 Identity: Mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203CF-X or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

ARR26 - 0770 ACTIVATED SLUDGE RESPIRATION INHIBITION TEST IESTSUBSTANCE~~~ Identity: Mixture containing perfiuorooctanesulfonate which may also be OrecftearnreesdutlofoansicPFacOiSd,) (FCC-A9S5#, 2o7r9a5s-3a9-c3o)m.ponent of FC-203FC. (1- Remarks: The 3M production lot number was not noted.

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ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanoiacid,ammonium saltm;ay alsobe referretdo as PFOA ammonium saltA,mmonium perfluorooctanoatPeF,O, FC-1 16, FC-126, FC-1 69, FC-143, oras a major component of FX-1003.

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

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