Fe-129 : Jo Submitted to: - BIOSEARCH INC.

am : WP PE. mA4SISR : . ._ AR226- 1023 Losin fDEoutpToonntooHnadkkPaooOnadBhorxs)yv Mes New OF 1914050 DuPont Haskell Laboratory HERFESYIF-aol0ahS01-001378 SDDiurwPeocatnotrt,HaAsgpkpeollilnedLaaTbooxriactoolroygy EPl.k0.toBnoRxo5a0d NPheownaer:k,(D30e2l)aw3a6r-e521599714-0050 VIA FEDERAL EXPRESS H FYIR-e0-eo1378 Contain NOcay DRoocoummeGn9t9 CEoansttroTlowOeffricAe T(T74N0:7)FYI OUf.fSi.cEenovfirPoonllmuetnitoanlPrPreovteencttiioonn aAngdeTnocxyics 401 M Street, SW.

AR 226 --- 117] o CONSENT ORDER ISSUED PURSUANTTO ~~~ ARTICLES 5 and 12, CHAPTER 22 AND ARTICLE 1, CHAPTER 16 OF THE WEST VIRGINIA CODE.

CORNINGHazleton MUTAGENICITY TEST ON T-6342 MEASURING CHROMOSOMAL ABERRATIONS IN CHINESE HAMSTER OVARY (CHO) CELLS: `WITH A CONFIRMATORY ASSAY WITH MULTIPLE HARVESTS EINALREPORT AUTHOR Hemalatha Murli, Ph.D.

TOXICITY TO AQUATIC PLANTS AR 226 -- 0727 | Identity: A mixture containing perfluorooctanesulfonate, which may also be OrecftearnreesdultofoansicPFacOiSd,) (FCC-A9S5#, 2or79a5s-3a9-c3o)m.ponent of FC-203. 1- iRseFmCa-r2k0s3:. diethylene gClyuTcrohrleenbt3utMiynlfpeortrohmdeaurtc,ito3ino7n.in8ldo5ti%cnauwtaemtsbeeirt,ris2wa0as%minxeotttuhryneloetoendef.gl1yT.c3ho4el%, PteFsOtsSa,m3pl5e% 2.66 % Sultone foamer, 3% sodium octyl sulfate, 0.1% sodium lauryl sulfate, and 0.05% tolyltriazole.

AR 226 - 073% TOXICITY TO AQUATIC PLANTS IESTSUBSTANCE ~~~ 00000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203. (1- Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 - O7#7 BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstaPiFnOiSng,pFeCr-f9i5u,oroorocatsanaescuolmfponoanteen,twhoficFhC-m2a0y3CaEl.so b(1eOctanesulfonic acid) (CAS # 2795-39-3). 2R0e3mCaEr.ksC:urreTnhtein3fMorpmraotdiuocntiinodnic[aottensuimt bisera wmiaxstu5r1e9.ofT1h.e8t4e%stPsFaOmSpl,e30is%FCeStodhiyulmenocetygliyscuollfabtuet,yl2.et1h%erp,o6ly0o.x2y3e%thwyalteenre,m2o.n5o6oc%tSyulplhteonnylfoeatmheerr,, 03..112%% sodium lauryl sulfate, and 0.05% tolyltriazole. crTehhfaelreafccottltlehorewiizbneigdodsceougnmrcamedanatrbriyaltiaitpyoponlfsioetfshietmopfualrumioitrxiotecushr.eemDwiaicttahal icmnoacmyopmnopolnteetanectlcoyufrtahteelytest sample.

AR 226 _ 0763 TOXICITY TO AQUATIC PLANTS IESTsuBsTANCE 0000 Identity: MreifxetrurreedctoonatasiPniFnOgSp,erFfCl-u9o5ro,oocrtaansesaulcfoomnaptoen,ewnhtiocfhFmCa-y20a3lsCoF-bXe or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 286 - 0766 NITRIFICATION INHIBITION IESTSUBSTANCE Identity: MreifxetrurreedctoontaasinPiFnOgSp,erFfCl-u9o5ro,oocrtaansesauicfoomnpatoen,ewnhtiocfhFmCa-y20a3lsCoF-beX or FC-203CF. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 --- 0230 ACUTE TOXICITY TO AQUATIC INVERTABRATES (DAPHNIA MAGNA) TEST SUBSTANCE Identity: AbemirexfteurrreedcotnotaaisniPnFgOpSe,rfFlCu-o9r5oo,cotarnaessualfcoonmatpeo,nwehnitcohfmFaC-y6a0l0s.o (h1e-pOtcatdeacnaefsiuulofroon-i,c pacoitda,ss1,i1u,m2.s2a,l3t,,3C.4A,4S.5#,52.769.56.-73,97-.38).8,8Rsaemmpalreksis:FC-T6h0e0 3(MSCpArSodTurcetaiotnedloEtffnluuemnbt'e)r. wCausrrneonttnoitnefdo.rmaTthioentiensdticates FglCy-c6ol00buitsyla emtihxetru,r1e.o0f01%.s0o%dPiFumOSo,cty8l1s.u2lf0a%tew,at2e.r0,01%2p.r0o0p%andieeStuhlylteonnee fcholaomreoral,ly1l.) 0h0e%xasmoidniiuummdechciyolrisduel,fa0te.,800.%8s5t%arxcah,ntahnadn 0g.u0m5,%0.b1en%zoNt-r(i3a-zole. cThhaerafcotlelrowiiznegd scounmcmeantrryataipopnlioefsitmopuarmitiixetsurtehawtiwthasitnrceoamtpeldeitnelay SCAS rfelaucotroorc.heDmaitcaalmacoymnpootnaecncturoaftetlhye rteefsltesctamtphleet.oxicity of the TtohxiiscisttyuodfyFiCs-t6h0e0thaifrtderofbe3idnagpthrneiaatesdtutdhireosugchonadSucCtAeSd troeadcettore.rmTihniestshteudy sisuptehrencaotnatnrotloffoar tmhiexFedC-m6i0cr0obSiCalASculTtrueraettehdatEfifniltuieanlltysctoundtya.inIet dusneodFtCh-e600.

av Specalty Materials 3Su PCa,erMN 1441000 6517331100 M7 29 257 0 September 20,2000 @ DCihraerclteosr,AuCehrem(iEc4a0l3CCo)ntrol Division Office of Pollution Prevention and Toxics UOfSfiEcneovfiPrronemveennttailonP,roPteescttiicoindeAsgaenndcTyoxic Substances 4W0a1shMingSttroene,t,DSCW20460-0001 Re: Response to 8/1/00 note from Ward Penberthy, EPA a)0GEs = NS 3 = 25 x or 5 ~ Dear Mr.

AR 836 _ 0926 SUMMARY FOR FOAMING STUDIES DONE ON VARIOUS AFFF PRODUCTS TEST SUBSTANCE Identity: bMiextreufreersrecdonttoaainsiPngFpOeSrfolruoFrCo-oc9t5aonresauslfaoncatoem,pownhiecnhtomfaAy FalFso products. (1-Octanesulfonic acid, s1a.l1t,,2C,2A,S3#,3,42,749,55-5,369,36),7,7,8,8,8-heptadecafiuoro-, potassium Remarks field: compositions.

EET AR 226 - 0940 August 30,2000 MUrS.

Coy 8EHQ - 0200-373 AT 2 International Research and Development Corporation ond # v sors: TEST MATERIAL: susszCT: womey R226 -0955 Fluorad Fluorochemical Surfactant FC-95 ASctuutdey OirnalRatTso.xleity (LD;)) 3 Ss g os . & EPA-OTS - NIGHT 0 AsYYPoRs Collaborators: Gary Thompson, B.S.

FToam DuDanwen 0SmaA cpkesoinAoA nE8W2o1n2@0P O00P1o0n1tAMCovi RamseyAEPort@DAPon, in Suit Sme AAmmoDunAmot,- LoCcraagedSa aanets oru 4.