Pathology Associates International A Company of Science Applications International Corporation at &ww-owni convey May 30. 2000 Dr.

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3M General Offices S631Mt.2PC7a3ue3nl,te1Mr1N1055144-1000 BACK TO MAIN May 15, 2001 4OUWDA0SfTo1afcTisEcuhMNenmin:voSegiSfnrttroeoPtecnnPoetm,tilr,oloDuenScnt.iCeWt8osa.

BACK TO MAIN PFOS: A 96-HOUR TOXICITY TEST WITH THE FRESHWATER DIATOM {Navcula pelliculosa) FINAL REPORT WILDLIFE INTERNATIONAL, LTD.

BACK TO MAIN WATER SOLUBILITY IN NATURAL SEAWATER AND 3.5% SODIUM CHLORIDE SOLUTION - SHAKE FLASK METHOD 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.

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Attachments to Letter to C.

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r- fi ' The Plastics Industry Trade Association April 24,2001 Tracy G.

MAR-12-2002 10:02 M .IZ 6 _ to 7 & TM 2 REGION mUN- IOT1FE6FD5I0CSATErPAcOhhToFESnCSterO-eEe2MNt1VM5P/Ih8URi1lNO4a-dIN5Ce1MlAp0E0hTiNIaO,TFPNAaeSxLn-AnP2sNRy1Dl5Ov/a8TGn1EO4iaC-V5T11EI09RO21N0N3MA-2EG0N2E9TNCREYLATIONS EPA Environmental News Contact: Roy Seneca M(2a1r5c)h81124,-25050627 EPA reaches consent agreement with DuPont on plan to supply drinking water tcsshuhoeronrwscoeounhmntPidgpaHihagnnIrlgeLeyeivAttmesoDleWspnErotoaLfwsvAhPiidiHtmnhegImEaAton.on-1na.WilTutDemhorunerpPkaUosteenr.fSftadl.ducrEieionlrniNktovyioenimrncgoteaonwanumraorPsteaeantSrertckas(ClueoPrporspr.bCol(uyt8Der)tgcu,o,tPaiWronoenns.uitAdnV),regaewne.gtnhisufcilicywanhtheacwadtoesomcrfuosimlnnudatpuarlpnmiezliqiteieiunedsiasranet. pCari8rocewemasissCsetses8isoahtnthastr.shobeuegWehnadsuihsreiencdgttsdoininsccWehatohrrgekes1s9ftao5c0tishlibetyyO.

01-May-2002 07:25pm.

RECEIVED 0PPT NCIC 2003 JUL -7 HM.-00 Telomer Research Program MfSfm wmmmm Ciarlarti Report Title: 8-2 Telomer B Alcohol: Acute Oral Toxicity - Fixed Dose Method Author(s): Carol Finlay CEnovnitrroancmtoern:talES.Ic.iednucPeso,nNt edwe aNrekm, DouelraswaanrdeCo., Flaskell Laboratory for Health and Study DCIInnaoitLtmeiaispf:teilo:entiA:onpA:riplSr2iel5p2,t,e2m2000b01e1r- 1M7,a2y00117, 2001 bSytuodryalOgbavjeacgteivteo:mTaoleaasnsedsfsetmhealaecruattes.oral toxicity of 8-2 Telomer B Alcohol when administered wmroiMnebegotasrirueagttlergahavrlatrie,istadiytmnrlsiteaecevnalrtiidnvendaddtesluinsaMgbcnnpaedesotitososohtfun-fodosdrtporeosgess:aanpinndogSgenroidonsareugnitpnlidwess0oweou.rfr5eeea5r%ledmfdaasaamosaqdtscaueeergdesidfeoimaoucoifselary2dlmed0toyh0eansrt0nhfodpuymuonlg5gschcttf-eoi8adolu-slno2utte.sltTidohnseefgeleo,smdtmwuaaydeelyrer1e.Br6aaRtaAdsnam.ltdcsiOonewhixbsoeastlreem/errkveigwndaeetbibdiyogynghbsreooddfsoysarlty for sFiignndsinogfst:oxNicoitydewatehrse osececnu.rreNdo(gmroosrtsallietsyi/onnusmwbeerretrseeaetnedu:pmonalpeasth0o/5l;ogfeymeavlaelsua0t/i5o)n. .

frR -2 6 _ $ 1 FINAL REPORT ONE GENERATION REPRODUCTION STUDY OF PFOS - MEVALONIC ACID/CHOLESTEROL CHALLENGE AND NOEL INVESTIGATION IN RATS SPONSOR'S STUDY NUMBER: T-6295.25 FINAL REPORT DATE: 16 DECEMBER 2002 000433 TITLE - ONE GENERATION REPRODUCTION STUDY OF PFOS - MEVALONIC ACID/CHOLESTEROL CHALLENGE AND NOEL INVESTIGATION IN RATS ARGUS STUDY NUMBER: 418-018 SPONSOR'S STUDY NUMBER: T-6295.25 TABLE OF CONTENTS SUBJECT PAGE I.

ARa.2.6 - / r i 7 7I T P' ''7 cCoD ro AMMONIUM PERFLUOROOCTANOATE (C-8) GROUNDWATER INVESTIGATION STEERING TEAM REPORT August 2003 Consent Order No.

From: B fW 4 J R*41y on 01/20/2002 09 22 AM To: ASNppQonvirorcorp com, rhamsigenvironccrp :cm cc: M Ann Sradly/STB/DUP@OUP *ohn R 8owman/AE/DuPont@QuPont Subjsct: 10 ug/L m Environ Hazard Narrativa ------------------------- Fcrvrarded oy Barnard j RetiiyiAE/CuPcni on 01/20/2002 09 23 A M ---------- From: Bernard J Reilly on 01/20/2002 09 2i AM To cc: Subject: Gerald L Kennedy/AE/DuPont@DoPont Robert W Rickard/AE/DuPont@OuPont David M Rurak/AE/DuPontjgDuPont, M Ann 8raaley/S"rB/0UP@0UP, John R Bowman/AE/DuPontOuPont.