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.

AR 226 = 0875 ACUTE TOXICITY TO FISH (FATHEAD MINNOW) JTESTSU~ B~ S~ TANC 000E Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-7808B. (1- Octanesulfonic acid) (CAS # 2795-39-3).

Ar226 _ 0886 TOXICITY TO AQUATIC PLANTS TEST SUBSTANCE Identity: Mixture containing perfluorooctanesulfonate which may also be referred to as PFOS, FC-95, or as a component of FC-3003. (1Octanesulfonic acid) (CAS # 2795-39-3).

Fyr-020/. /378 AR 22 _ 106 25 of {Na ZZ; UNITED STATESWEANSVHIIRNOGNTMONE,NTDA.CL.

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BACK TO MAIN ACUTE CONTACT TOXICITY TO TERRESTRIAL INVERTEBRATES (HONEY BEE) TEST SUBSTANCE Identity: Perfluorooctanesulfonate; may also be referred to as PFOS or FC-95. (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 field: The 3M production lot number was 217.

BACK TO MAIN Focus Environmental, Inc.

AR226-1486 ENVIRONMENTAL AND HEALTH ASSESSMENT OF PERFLUOROOCTANE SULFONIC ACID AND ITS SALTS August 20, 2003 Prepared by 3M in consultation with Jack Moore, D.V.M., DABT, Hollyhouse, Inc.

: HASKEALLNDLAIBNODRUASTTORRIYALFOMREDITCOIXNIECOLOGY Trecho Lo apis cc: G.

J aed 2 > 4 Pr -- ~ -) ou J) = TE a fd = Lg J ~~ ; PERFLUOROOCTANESULFONYL FLUORIDE (POS; T-7661.4) TOXICITY STUDY BY INHALATION ADMINISTRATION TO CD RATS FOR 13 WEEKS FOLLOWED BY A 4 WEEK RECOVERY PERIOD Volume 2 MIN 3131023622 PERFLUOROOCTANESULFONYL FLUORIDE (POSF: T-7661.4) TOXICITY STUDY BY INHALATION ADMINISTRATION TO CD RATS FOR 13 WEEKS FOLLOWED BY A 4 WEEK RECOVERY PERIOD Volume 2 Sponsor 3M Center, B3uMilCdoirnpgo2ra0t2e6T-o0x2ic,ology, St Pau, MN 551333220, USA.

sam Ar226-/510 Date: 2-24-04 IM tetra Loss Report Nos FACT Tot 1 3M Medical Department Study Number: T-7211.1 3M Strategic Toxicology Laboratory Protocol Study No.

I ros: NORTHERN 'AREPRODUCTION BSOTBUWDHYIWTIETH THE FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

Karine E Ret, 0.

AR226-2116 r.

AR226-2185 EXPOSURE EVALUATION FOR NEW PROCESS AT FAYETTEVILLE SITE Prepared by DuPont Engineering Technology Debbie Mulrooney Cathie Barton August 20,2001 EID293489 TABLE OF CONTENTS Executive Summary 1.