M <256 _ 0 9 1 3 MICROBIOS MICROTOX TO XICITY TEST TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FX-3103. (1Octanesulfonic acid) (CAS # 2795-39-3).

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Lo AR226 _ 0775 ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-203S. (1Octanesulfonic acid) (CAS # 2795-39-3).

AR 226 -- 0 80/ BIODEGRADATION (BOD/COD) TEST SUBSTANCE Identity: AbemriexfteurrreedcotnotaaisnPinFgOSpe,rfFlCu-o9r5o,ocotranaessuaifcoonmapteo,newnhitcohfmFaCy-2a0l6soC and L-5439. (1-Octanesulfonic acid, s1a1l,t,22C,A33S,4#,42,759,55-63,96-,37),7,8,8,8-heptadecafiuoro-, potassium Rreefmearrrekdst:o asTLh-e5433M9 apnrodduFcCt-i2o0n6lCo.t nCuumrbreerntwiansfo5r0m1a.tiTohneitnedsitcastaemspilties ias mixtureof 0.73% PFOS, 76.09% water, 15% diethylene glycol butyl ether, 4po%lyuorxeyae,th1y.l5e5n%e smoondoioucmtoycltpyhlesnuyllfaette,he1r,.407.%06h%ydsroodxiyufmoalmauerry,l 1su.l0fa5t%e, and 0.05% benzotriazole. sTthuedifeoslloonwiFnCg-i2s0a6nC.abbTrheevsieatsetdudsiuemsmaaprplyyotfomutlhtetieplsetsbiaomdepgrlaaesdataion `Dmaitxatudroeewsitnhotinaccocmuprlaetteellyyrcefhlaercatcttheeribzieoddecgornacdeanttiroatnipoonteonftiimapluorfittihees. fluorochemical component of thetest sample.

ACUTE TOXICITY TO FISH TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh;i,ch may alsobe referredto as PFOS, FC-95, oras a component ofFC-206CE. (1Octanesulfoniaccid)(CAS # 2795-39-3).

AR ^ 2 6 - ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE________________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206CE. (1Octanesulfonic add) (CAS # 2795-39-3).

AR226-2386 CONFIDENTIAL 5W Polymer Products Department Research and Development Division Experimental Station analytical report .8A iV" si,"0" >* ce: S, C.

AR 226 - 0779 EFFECT OF DEGRADATION ON FOAMING JESTsuBsTANCE 0000000000000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-206 or L- 3243. (1-Octanesulfonic acid) (CAS # 2795-39-3).

AR 2236 - 03% ACUTE TOXICITY TO FISH (FATHEAD MINNOW) IESTsuBSTANCE 0 Identity: A mixture containing perfluorcoctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-600. (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) Remarks: The 3M production lot number was 628.

` 226-/636 ann ATID Cer 5R3Jb.3 ZhmIPiEEiLi, W,ASHINGTON WORKS .

AR226-2460 Roger J Zipfel 06/04/99 06:00 PM To: cc: Subject: Katsunosuke Kitaaawa/PO/DuPont@DuPont Re: C-8 In ground water ^ Kitagawa-san, we have ground water levels as high as 1500 ppb in some places.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonatweh,ich may alsobe referredtoas PFOS, FC-95, or as a component ofFC-3041. (1Octanesulfoniaccid)(CAS # 2795-39-3).

FPS GmbH - Putzenlehnerstr. 22 D-84508 Burgkirchen PFAS To the kind attention of The five Member State authorities and to ECHA FPS Fluorocarbon Polymer Solutions Response to Registry of Intention by the fluoropolymer user industry 1.

Pathology and Toxicology Riker Laboratories, Inc.