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

ARNE -Oyoo ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyljacetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, or FC-109-X.

AR 236 - 072] ALGICIDAL ACTIVITY IESTSUBS~T ~~ ANC0E 000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, Octanesulfonic acid) FC-95, (CAS # or as a component 2795-39-3).

AR226-1973 Z-*T REV-1-flft E.

AR226-2849 LCUTE INHA: r ^ ^H----------' <-- -' Haskell Laboratory Report Ho.115-76 Report by: /\ /W^- 4 /^M^M^ yBfTic^A.

AR226-3111 TRADE SECRET Study Title H-23746 and H-23747: Skin Irritation Test in Rabbits Laboratory Project ID: DuPont-1977 AUTHOR: Carol Finlay, B.A.

AR226-3376 HASKELL LABORATORY Common Name: Ammonium Perfluorooctanoate (C-8) Chemical Name: Octanoic add, pentadecafluoro-, ammonium salt CAS Registry No.: 3825-26-1 Chemical Structure: 0 Physical Properties: CFa - CFz - CFz - CFz - CF2 - CFz - CFz - C- 0-^4 Form: Molecular Weight: Boiling Point: Melting Point: Density: White powder 431 Sublimes @110C Drinking Water Guideline (CEGw) lug/L General Toxicity Ammonium perfluorooctanoate (C-8) has moderate acute oral toxicity with an LD50 in rats of 470 mg/kg|b----Ul981b).

BIOACCUMULATION TEST SUBSTANCE Identity:[2-(N-Ethylperfluorooctanesulfonamiedtoh)ylacrylate;may also be referredtoas Bl 228, D-1, ETFOSEA, or FX-13.(2-Propenoicacid,2[ethyl[heptadecafluorooctyl)sulfonyl]aminoe]settehry,ClAS # 423-825) Remarks:Materiiaslan ambersolidR.eportstatetshatsamplepuritiys99% or more based on informatiosnuppliedby Sponsor.

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.

BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredto as PFOS, FC-95, or as a component ofFC-206 or L3243. (1-Octanesulfonaicid)(CAS # 2795-39-3).

AR226-00!

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.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Potassium Decafluoro(pentafluoroethyl)cyclohexanesulfonate may also be referred to as FC-98.

BIOACCUMULATION TEST SUBSTANCE Identity:N-methylperfluorooctanseulfonamidoethanolm;ay alsobe referredtoas N-MEFOSE Alcohol,FC-790, or FM-3925. (1Octanesulfonamide,N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethylC)A-S, # 24448-09-7) Remarks: Materialisan off-whitew,axy solidofuncharacterizedpurity.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:Perfluorooctanesulfonylamido(ethyl)acemtaaytea;lsobe referredtoas PFOSAA, FC-128 oras themajor component of FC-127, FC-129, FC-109,or FC-109-X.