E i^ io y e ^ Bulletin effective 05/16/2000 Page 1 of 2 View Next View Previous View All Employee Bulletins S 3 Employee Bulletin Date: 05/16/2000 3M Phasing Out Some of its Specialty Materials 3M will phase out of the perfluorooctanyl chemistry in certain repellents and surfactant products by the end of this year.

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AR226-1739 STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Mallard Serum and Mallard Liver for Analysis Using HPLC-ElectrosprayiMassSpectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 -PERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, 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.

`Toxicological Summary PFOS Dietary Chronic Definitive Reproductive Study: Northern Bobwhite Test Substance: Perfluorooctanesulf(oPnFaOtSe) Structure: d1e-cOacftlaunoersou,lfpoontiacssaicuidm,sa1l,t1,2C,2A,3S,3N,o4..4,257,955,-63.69,-73,.7.8.8,8-hepta- Test Remarks: TFCh-e95t.est Tsuhbestsaanmcpeleiswaaswhsioterepdouwnddeerr(a3mMbiLeontt #c2o1n7d)i,tiaolnssoaknndopwunriatsy awnaaslysdiestetremcihnnieqduetso. be 869% by LC/MS, 'H-NMR, and elemental METHODS Method: ASTM Standard E1062-86, OECD 206, and FIFRA Subdivision E., Section 714 `Type: Dietary Reproduction ear: 2001in-life phase, 2002-2003 analytical phase, Final report in 2003 Species: Northen bobwhite quail (Colinus virginianus) Experimental Design: Adult northern bobwhite quail were exposed to PFOS at nominal `wceoenkcse.ntrEaatciohnstroefat0m,en1t0,gr5o0u,pocron1t5a0inpepdm16inpatihresodfiqetuaolv,eronaeppeariirodpeorfpaenp.proIxniamdadtietlyio2n41, dotuhreirngpathies toefst.quaTihlewepreensmathianttawienreed upseerdtrfoeratbmleonotdacnodllwecetrieonusdeudrifnogrtbhleotoedstcowlelreectinoont ubsyeWdeteokas3s,estsheretprreoadtumcetnitonl.evDeluewatosorveedrucseidgntsoo2f0tpoxpimc.ityTnhoeted15i0n72t0hep1p5m0 dpopsme wtraesattmheennt stiegrnmsinoaftetdoxiactitWy.eekAll5. emTahieni5n0gpapdumltdoqusaeilwawserteerombisneartveeddatdaiWleyefkor7,siaglnssoodfuteoxtiociotvyerotr abnormal behavior.

AR226-2173 Debbie J Mulrooney 08/06/2001 10:35 AM To: cc: Sublecl: carrington@mall.dep.state.wv.us Catherine A Barton/AE/DuPont DuPont Draft Modeling Protocol Chris, Attached Is a draft modeling protocol.

AR226-2203 Robert F Pinchot 10/18/2001 02:30 PM To: w.

AR226-2210 Robert F Pinchot 11/05/2001 03:02 PM To: cc: Subject: Debbie J Mulrooney/AE/DuPorrt@DuPont, Steven L Grise/AE/DuPorrt@DuPont, Mary A Kaiser/AE/DuPont@DuPont, Ron J Buchanan/AE/DuPontQDuPont, Roger J Zipfel/AE/DuPont@DuPont Ta-Wei Fu/SE/DuPont@DuPont, Bernard J Reilly/AE/DuPont@DuPont, David M Rural</AE/DuPont@DuPont, Chris E Shoop/AE/DuPontQDuPont, Robert L Ritchey/CL/DuPont@DuPont.

AR226-2223 Mary A Kaiser jf 12/04/2001 03:03 PM II TlW -^.

AR226-2579 )Andrew's Hartten :-~----^JMI 0212712.QQ2'W:W W ^ To: co: Subject: M.

2195 Front Street Loaan,OH43138 ONBER& State of Ohio Envirnitirtcntal PretctHun Agency Southeast District Office TELE: (740) 385-aSQI PAX; (740) 385.64BO AR226-2608 Bob Taft, Bovsrror Christopher Jones, DIrBctor July 8,2002 Mr.

^(* AR226-2762 FOR DU FONT DSE ONLY Copies to: E.

ACUTE TOXICITY TO AQUATIC INVERTEBRATES (COROPHIUM VOLUTATOR) TEST SUBSTANCE Identity:A mixturecontainingperfluorooctanesulfonawthei,ch may alsobe referredtoas PFOS, FC-95, or as a component of FC-603EF. (1Octanesulfoniaccid)(CAS # 2795-39-3).

-- QUID January 23, 2006 Via Federal Express #226. 382 } PNR I72.024 :RECEIVED e ShonotiHs 73 Sy orartory. so gsuma TOL No8wnca ZEHQ. 0601-00374 Geng (- 394 Document Processing Center (Mail Code 7407M) `Room 6428 Attention: 8(e) Coordinator OUfSf.icEenovfirPoonllmuetnitoanlPrPreovteencttiioonn aAngdeTnocxyics 1201 Constitution Ave., NW `Washington, DC 20460 Dear 8(c) Coordinator: CeOntain py =g Io CBE 9% e To z & 8EHQ-0381-0394 Linear/Branched (78:22) (L/B) => Linear (L) : Branched [58:42 monomethyl/isopropyl}(B) `This letter is to follow-up on our correspondence with the Agency of September 10, 2004, concerning an oral repeated dose toxicity study in ratsand mice with the above-referenced test materials.