AR R36 -- 083% ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity: AbemirxefteurrreedcotnotaaisnPinFgOpSe,rfFlCu-o9r5oo,cotranaessualfcoonmapteo,newnhitcohfmFaC-y60a0l.so (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) sRaemmpalreksis:FC-T6h0e0 3(fMropmroAdnutcwteiropn,loBtelnguimubm)e.r wCaursrenontt ninoftoerdm.atTihoneitnedsitcates ibtuitsylaemtihxetr,ur1e.o0f01%.s0o%dPiFumOSo,cty8l1s.u2lf0a%tew,a2te.r0,01%2p.r0o0p%andeieStuhiytleonnee gfloyacmoelr, h1e.x0a0m%isnoiduimucmhldoerciydle,su0l.fa8t0e%, 0st.a8r5ch%,xaanndth0a.n05gu%mt,ol0yl.t1ri%azNo-l(e3.

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

AR226-2136 <-z-< RE?

3-* RFV * B3 CTlU&*41AMa{ E. 1.

ACUTE TOXICITY TO FISH ARIEO3F6 TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride;mayalso be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,88-heptadecafluoro-, CAS # 30735-7).

BIODEGRADATION ITEESSTTSSuUeBsSTANNCCEE ~~~~~~~0000000 Identity: rPeerffelrueodrotoocatsanPesFuOlSfoAnAy,lamFiCd-o1(2e8thoyrl)aascetthaetem;ajmoarycaolmspoonbeent of [F(Ch-e1p2t7ad,ecFaCf-i1uo2r9o,ocFtCy-l1)s0u9l,foonrylF}C--,1p08o-tXa.ssi(uGmlyscailnt,e,CNA-Seth#y2l9-9N-1- 51-7) iRseamamrixktsu:re ofT4h0e-t4e4st%staemstplseubisstFanCc-e1,273.2%Cuwrarteenrt,i1nf4o%rmaitsioopnroipnadniocla,te4s%it ethanol, and 6-10% C4-C; fluoroalkyl carboxylate compounds.

MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to `as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

> AR226-2387 Polymer Products Department Research and Development Division Experimental Station cc: S.

r )93 Developmental changes in the expressionof genes in,,,olved in cholesterolbiosynthesisand lipidtransportin human and ratfetalan'd neonatal livers iviarcS.

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B105EARCH INCORPORATED P.O.

FOR DU PONT USE ONLY AR226-2937 Du Pont HLR 784-88 Study Title Eye Irritation Test in Rabbits of Author William J.

To: From: Subject: Date: Study Files of Riker Experiments Nos. 0680TR0008 00668800778R00001200 0066881177R8O0019150 0680RR0018 k.

AR226-03%8 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorodecanesulfonate, ammonium salt; may also be referred to as PFDS, FC-121-X, or 3M Sample E2112 and E2566-1. (1Decanesulfonic acid, 1,122,334,4,556,6,7,7,8,8,9,9,10,10,10-heneicosafluoro-, ammonium salt, CAS # 67906-42-7) pRreompaarnkosl,: 1T-e(s1,t1s-daimmpeltheyliestahomxiyx)t.ureThoifstmhiextteusrtescuobnsttaainncseapinprwoaxtiemraatneldy22-226% test substance, 33-37% propanol, 1-(1,1-dimethylethoxy), 0.5-1.5% perfluorononanesulfonate, ammonium salt and 38-42% water).

ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) T TESTE SUBSS TANCT E Sue0S 00TAN 00GE Identity: rPeefrefrlrueodrtooocatsanPeFsuOlSfAoAny,laFmCi-do1(2e8thoyrlaascetthaetem;ajmoarycaolmspoobneent of [F(Ch-e1p2ta7d,ecFaCf-l1u2or8o,ocFtCy-l1)s0u9l,foonrylFlC--,1p0o9t-aXs.si(uGmlyscailnt,e,CNA-Set#hy2l-9N9-151-7) Remarks: laboratory as The test sample is E2566-2.