AR226-2211 tt Ron J Buchanan 11/06/2001 07:07 AM To: Roger J Zipfel/AE/DuPont@DuPont ' cc: Robert F Pinchot/DEV/AE/DuPont@DuPont, John A Wilkens/AE/DuPont@DuPont Subject Re: Mulit Media Consent Order APFO data requirements || Thanks for the info Roger, could you send an excel spreadsheet showing the isotherm data and data plots you have??

AR226-2275 Robert F P inchot 04/23/2002 08:14 AM To: George H Senkler_Jr/AE/DuPont@ DuPont cc: Subject: Final Modeling Report G e o rg e , Here is the modeling report.

AR226-2811 DuPont-13788 Trade S ecret Review of Proliferative Lesions of the Exocrine Pancreas in Two Chronic Feeding Studies in Rats with Ammonium Perfluorooctanoate Authors Steven R.

AR226-3144 CONFIDENTIAL SPONSOR Elf Atochem S.A.

Katherine E.

3M General Offices September 21, 2006 3M Center St.

KStaatfhf eVriicneePEre. sRideeendt, Ph.D. 3SMafeEtynOvirpoenramtieonntsal, Health and 96PS50tO.10PBB7ao7uux8ls,h34M33A3N3v13e51n5u1e3, 3B-3u3il3d1ipng. 142-2E-26 %Er'tL-(y707-& 3 72> /tezz -37^6 L# Certified Mail June 6,2007 DEOUW12PSfoaf0Acis0EcuheEPmiPnAaoeegsnfnttnotP-snPoyRlrDllovuoCcatoeinmos2insa0i64nPA46gr2v0eC8ev-0neeA0unn0ettttie1noNr:nWSaencdtiTonox8i(ces) CONTAIN NO CBI 89070000329 9 o ; o o o (T~Y NO CBI f- < Re: TSSulCfoAna8t(ee-)baSsuebdstaanndtiaClaRrbisokxyNlioct-ibcea:seSdupFpluleomroecnhteaml tiocaDlsocket No. 8EHQ-0598-373; To whom it may concern: t3oodddlhiMobeufmyftsjrsereiiepontrrcseemrigtddicionvi,egfnfgenteuer0tsafon.ltt1oyncafhlsttetloriiihoeooereiwcnnnsf0efti.sasine3vettncguufemdtfddsdeeyyglxcoaa/ptwcikfdnootgeaarsnrx/satudaipfmorttatoosenyofsciodutdnaooefrinandrettldehdaornreuscmenohctpmititomvonerwoirdeeatttsyethtofeudheranrloerntnamptatdiponoltohhtaaPtaaeaennnFsbndsyhOoititiirununSgaamelaehlodtueo(inupgrsofoatreanPittrvdnaoFfiaogllxnOugstigeohcemSe)ryoeaostrdfloftooefaecie1stivditc.n.oa0etdsnlnomuitenapcatgesnmuF/udskn1el.g-fenlgoa/uEtdencarxantoalaypettnteoorieoaoxs(untnuPiirclo,roFyenaetOoanftoofSxdvefi)fcPect.sotriFpstyTyOriihnSnaengdat Tom0eamnv.bi1eimdascm,elrveu0roo-ava.sm3rgtacyi,itooanioeontpaervnsildca1pwbl.feau0aeextatemrmatteneimaocrgclynyi/eonk)sn(agrFwwdat/iOtdueoesacrBrnewytee)oee,dpdvfr,aeueatcrrahlfoiaunyonudadrrgtmsometiigindiedcned.dssiis,.stcTtattaaehhtItrinroyytoelrrrenadsoodirioapdddenofisdtsctppiateohortslhunynlsr,csispouitebcurum,roargalelloihiPdnfaceFelnowravOdamceetStlifoiaoougttdpnionhoamrctaintlaaesiyodncsnatnadtbiyyv(ywp,bi(otoaaeLytlrnrea,aDednnla)otengaivp2adnaarl0avell.lnaeupygaeausrueFttineisruaadionnoltpcgvfsdateiTotiaaphosnSanoedHrlaaolletgliveoievcnlaesllso.f FapbfeaoToainfctynabuhntftdtsrneediemPievccribnmNrenittaucvtisgteyDoywteesamwndrcebinao1enoorlilar3reenrutel,yochntnmtbho1eltroaissa7eamnFPen,aoladreFiitg2tnvtmhs1OeemmdaesdietSroenaainio.talrtnoedttennh6sMeswbape1atclaroi.garaatn1beshteird.eTtnaa0tnraiPsthfcnatwnemFeeeltademrarOeigly-enliw/raSgbkdewptlho.ehgelaatdaiesey/,rgItdryanedehln(amedwPutuyannreNamdeeogigttnfditeDbrfghcagiroeethh,)tsicutrt,otaoaht1spnsonsire7ntwg,fa,owampetsrnrewhasirtrecdelethemensoi-trenhetmdohrareTeoetnaiwposncfbSdaaprerbi/FHnreortoaea]ueancrdilsoamnsatnpetiritnciovvdooantroiehslegPtwptetnyayh-FsrtesirweeotOeiosohpnsecirtSuid,ahoensft-nteisniergattawiechmotntllliaueetigasaamnssrrttlelrtidepesemcpdeaesenahann.rxiltcrinidvsoalcsPagititdioraotnFigoasonmliaOnocbnntnwibragimSfyolalueyii-lcetnrlrdoyaaetnedgorh,tnltrosuaavioclwanretntaeueygtaaegwpederifrimr.nnfeennleiraoetanechlvltgtoeeerld / 3S| P-2 t1h.0e hmiggh/kegs/tddaoysedocshaogseengrwouasp arpelpartoivperitaoteclyonetfrfoelcstidvueriinngptrhoedulaccitnagtioann pefefreioctd.inTmhaisteirnndailcraattess. that tAohnletgho8oi(une)gghdwotohcrkekseetbadysaUtaa.Ssdu.opEpnPloeAtmmteoeneattstsothepsesre`fsvluuiboosurtosacnshutiebamml iricissaskliso'.nresT.phoerrtienfogrteh,rwesehoarlde,pwlaecirnegcotghneiszeerethseults in Trwehiplelorbinte-ilsfiofperewnpaodrridntiegodnintoocfltuhthseiiosEnsPtoAufdoryensicsuelctiostmfirsporlmeecteeainavanelddy.saisdroaffpt hfianraml arecpookrint ehtaics bsaemenplperso.duTcheed.finTahlerefpinoarlt (I6f5y1o)u7h3a7v-e13a7n4y.questions or need additional information, please contact Deanna Luebker at Sincerely, ^ KStaatfhfeVriincee EP.reRseideednt, Environmental, Health and Safety Operations

Jean B.

3M ENVIRONMENTAL LABORATORY REPORT NO. 07-0650 Final Report Analysis of PFBA, PFOA, PFBS, PFOS, FBSA, and FOSA in Aqueous Samples from 3M Decatur, Alabama 3M Decatur NPDES Permit Number AL0000205: Quarterly FC Monitoring of Outfall DSN001; 4th Quarter 2007 Sampling Laboratory Request Number: E07-0650 Method Requirement: 3M Method ETS-8-154.1 Report Date -December 10, 2007 Testing Laboratory 3M EHS Operations 3M Environmental Laboratory Building 260-5N-17 Maplewood, MN 55144-1000 Requester Gary Hohenstein 3M Building 42-02-E-27 PO Box 3331 Saint Paul, MN 55133-3331 Phone: (651)778-5150 Fax: (651)778-7203 1ir accredited] Certificate #2052-01 The testing reported herein meet the requirements of ISO/IEC17025-2005 "General Requirements for the Competence of Testing and Calibration Laboratories", in accordance with the A2LA Certificate #2052-01.

Katherine E.

l&> 3M General Offices 3M Center St.

3M ENVIRONMENTAL LABORATORY REPORT NO.

GLP10-01-02.

AR12&-0IOX DIETARY ACUTE MALLARD DUCK STUDY : -W 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: The test substance is a white powder.

'aceAnalytical F ie ld Services Division 3 Prepared by: Pace Analytical Services, Inc.