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`DuPont DuPont HMHaeasesktkeielnlllg LLMaaibbnouortraaetstoorryy Visit Visit MJeuentien3g0M,2in00u0tes June 30, 2000 IInn AAtttteennddaannccee DDJouuhpPnooOnn'ttC:onnor, Reproductive and Developmental Toricology JJJBoooohhhbnnnHGOGoaka'Cnnenon,onoEnnnc,o,otrEE,onnxRvviieicrrpooorlnnoommdgeuyencntttiaavlleFFaaanttede: Developmental Toxicology .

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: AR 226-1004 NOTE TO FILE - AR 226/0PPTS 50639 DATE: March 14, 2001 FROM: Karen Lannon SUBJECT: 1/4/01 Meeting with Department of Defense (DoD) concerning Aqueous Film Forming Foam (AFFF) a `A meeting was held on January 4, 2001 to discuss alternatives to PFOS-based AFFF and possible DoD plans for transitioning away from PFOS-based AFFF.

sf January 30,2002 (RE (Meroe A226 -- 1054 FLUOROPOLYMER MANUFACTURERS GROUPMEETING |owowmnov |mumows [| 200-400PM ewan] |goaforerfcs 203:5ed-5104|domiisk.rareDepmzer | (BorneLeesgaiti | vaJor[eco (nae tbeToot fuer SttedLasgobunlopgl biowaa [oidlossncpmu|n Maownser Thoenrowrwis Jeo encase[bobervs Gave. con] | ADenDower [ser dS [ode lan-aresin[Sncmesuplanory, | : Jmsvin LeoswmiRaan Boy ooge Vemerrefars Jrsurest |pomcmece 12 Cote feeTo |Abert[eEn/Z8 ans gses fesees @ gpg [| TE Lar 1657 fibu1 benti3 c EE3 mm0 .co] m| | fSoanaa i 30,2002 Grete[FLAUOsROmPOaLpYMisERopMnAiNUF|A[CTUmFRuERriSmGRcoOwUoEsM|E]ETIgN5GiotjEpeWAralssookeunnrstd8| o"nl DB ave marax v |P tveg2e 00p5LJyoutsteon Lurabf@sp?

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R226 -- 1190 TWO-MILE RADIUS SURVEY AND C-8 SAMPLING REPORT DUPONT WASHINGTON WORKS FACILITY/LOCAL LANDFILL, WEST VIRGINIA (MARCH - MAY 2002) Date: August 2002 Project No: DEWW7423 Din: <& CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 CONTAIN HG CBI 000365 Twomie Radius SueyandC8SampRienggt Table of Contents TABLE OF CONTENTS 10 IOEOQUCHO carers 20 C-8 Analyses and Analytical REPORING cosmid 3.0 Washington Works Facility/Local Landfill Two-mile Radius Survey SUAARETI Y mses ssid 40 Resamplingof Selected Residences Located Within the One-Mile Radius........6 5.0 Results for Additional Sampling LOCRONS cvs] 60 Fh FOr ecmunmmmmmmmmmmmmmmmss----------.

AR QAG_ 1344 Telomer Research Program FW AGC _-- ------------ = Cl-- ariane W-- IND Report Title: $2 Telo5Amlceohorl: Acute OralToxicity Fixed Dose Method - Author(s): Carol Finlay Contractor: 1 du Pont de Nemours and Co., Haskell Laboratory for Health and Environmental Sciences, Newark, Delaware Study DIantdeat:on: April,2001 CInomLpilfee:tioAnp:rilS2e5p,e2m0b01er- 1M7,a2y00117,2001 E8EgAm 2=~ 8S=E=5a< gz bSytuodryalOgbajveacgtievteo:maTloeaasnsdessfetmhaelceurtates. oral toxicity of 8-2 Telomer B Alcohol when adminisiered `iMwnaettirgeahrgtai.satlmrsieclatinenddtuaMbnaedttihosonuds0sp:eandgSeirdnoguilpe0oo.rf5Sl%fdaaosqstueeesdomoufas2l0mee0ai0nhdyml3ecfe8al-sl2tuelTdoesfel,oomwmaeelrreeBaatsdA.mlincOibosstheerorvleadtbibyoynbsodfoyr ormboergstuealrlaviretdiynetaevnridvdaeslnisgcnpesooosfftodrroegssaipnnognosraentdiwsewsrueeeredmaasmdaaecgidefacioelryddtyohsnrfopuuongschtto-iudotonstinhgsdtaudyy.16Raantdsewxearmeiwneeidggherdoas for SFiignndsinogfst:oxiNcoitdyewaetrhes osececnu.rreNdo(gmorrotsalilteysinounsmbweerretereeantedu:pomanlpeast0h5ol;ogeylevealsus0ti5o)n..

kb u5f 3MGeneaem raOffofie July 12, 2000 AR Sai MoPmaol MN 551441000 F71,-0700--(35775761 06] 3 wil SM one pice Chemical Control Division OfficeofPollution Prevention and Toxics United States Environmental Protection Agency 4R0o1omM4S0t3reeEta,stSoTuotwhewres(tMail Code 7405) Washington, D.C. 20460 oni; - er awl) car Re: 3M Fluorochemicals Document Submission -- CD Version Dear Charlie ErenlcaltoesdecdoimsptohuenCdDs tvoerEsPioAnoofvtehrethdeopcausmtefnetwsmsounbtmhist.tedThoins pCeDrfclounotraoioncstatnheesiunlffoornmaatteisoannd dporocvuimdeendttoprtohdeuactgieonncsytboetghiennaignengcwy.ithItnhceluAdperdilwi2t0,h t2h0e0C0Da'nsd iesnadninignfwoirtmhatthieonMsahyeet18o,n20h0o0w 10 access the CD.

cL AR 226 - 0928 CAS Number 1763-23-1, 29081-56-9, 70225-14-8, 2795-39-3, 29457-72-5 / 3M Compan/y 1 Revised: 7/2000 Voluntary Use and Exposure Information Profile Perfluorooctane Sulfonic Acid and Various Salt Forms I.

BACK TO MAIN 3M Environmental Laboratory Report No.

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.

AR226-2165 Robert L Ritchey 07/23/2001 08:26 AM To: cc: Subject Robbin Banerjee/AE/DuPont<g>DuPont (bcc: Robert L Ritchey/CL/DuPont) Re: Air Modeling Discussion with Jesse Hanshaw, WVDEP-DAQ D Yes.

AR226-2322 ^y Charles J Zarzecki 04/03/2003 09:31 AM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Beychok Article Q Cathie, First, by "Monday's meeting", I assume you mean April 14?