9H0a5rsShhae,ehPyArnd A Telephone: (215) 4438710 Tefoc 215) 4439567 ARQaE_ 112% 5 - ARGU; S RESEARCH Charles River Laboratories Discovery and Development Services September 11,2002 J3oMhnCoBruptoernahotfefT,oPxhi.cDo.l,ogDyAB, CTH 3M Medical Department S3t.MCPeanult,erM,inBnueilsdoitnag 5252104-42-E1-00020 NES ECEIVE (| SEP 1 220 Telephone: (651) 733-1962 Telefax: (651) 733-1773 RE: Protocol 418-020 - Oral (Gavage) Reproduction STtwuod-yGoefneArmamtioonni(uOmnePeLriftlteuropreorocGteanneoraattei(oAn)PFO) in Rats Sponsor's Study Number: T-6889.6 Dear Dr.

St 3M KSaalttvhiee PEsRieosn, PhD.

AR23C _ 119] ONE-MILE RADIUS SURVEY AND C-8 SAMPLING REPORT WASHINGTON COUNTY, OHIO (MARCH - JUNE 2002) Date: August 2002 Project No.

AR R26 -- 1193 JULY 2002 SURFACE WATER MONITORING REPORT FOR WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS WASHINGTON, WV Date: September 2002 Project No.: D6WW7423.01 18983635.20000 `CORPORATE REMEDIATION GROUP DuPAonntAlalniadncUeRbSetDwieaemnond BWairllmeiyngMtiolln,PlDaezlaa,wBaurieldi1n9g80257 SONTBIN NE OR = 85 } =-- RECEIVED SEP 23 gp, ELeuTony prog 000243 Surtac vate Monitoring Report TABLE OF CONTENTS Tableof Contents PX oRFUTLY TERT OR ---- J 3.0 Washington WOrKS FACHILY .......cccoorsuummmsmssssssssssssssssssssssssssssssssssssssssssssessssssnd [XJ 5,72 SR F071 OT 7.0 REFETONCES corr -------------- nnn] Table 1.0 Table 2.0 Table 3.0 Table 4.0 Figure 1.0 Figure 1.1 Figure 12 Figure 2.0 Figure 2.1 Figure 2.2 Figure3.0 Figure 3.1 Figure 3.2 Figure 4.0 Figure 4.1 Figure 42 TABLES C-8 in Surface Wate--r Washington Works Facility C-8 in Surface Wate--r Local Landfill C-8 in Surface Water -- Letart Landfill C-8 in Surface Water -- Dry Run Landfill FIGURES Site Location Map-- Washington Works Facility Surface Water Sample Location Map -- Washington Works Facility C-8 Concentration Map July 2002 -- Washington Works Facility Surface Water Site Location Map - Local Landfill Surface Water Sample Location Map -- Local Landfill C-8 Concentration Map July 2002 -- Local Landfill Outfalls Site Location Map -- Letart Landfill Surface Water Sample Location Map - Letart Landfill C-8 Concentration Map July 2002 - Letart Landfill Outfalls Site Location Ma--Dpry Run Surface Water Sample Location Map -- Dry Run Landfill C-8 Concentration Map July 2002 - Dry Run Landfill Outfalls ewes an 08 000444 Surace waler Monitoring Report Table of Contents Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Appendix G Appendix H APPENDICES Laboratory Analytical Data Reports ~ Washington Works Facility Chain-of-Custody Records ~ Washington Works Facility Laboratory Analytical Data Reports ~ Local Landfill Chain-of-Custody Records -- Local Landfill Laboratory Analytical Data Repo~rLettasrt Landfill Chain-of-Custody Reco--rLedtasrt Landfill Laboratory Analytical Data Reports ~ Dry Run Landfill Chain-of-Custody Records ~ Dry Run Landfill Waneiglwone, OsF e mz 000445 i `SurfacewaterMonitoring Report Introduction 1.0 INTRODUCTION A`WemsutlVtiir-gmiendiiaaDceopnasretnmteonrtdoefr (EOnrvdierronNmoe.nGtaWlR-P2ro0t0e1c-ti0o1n9()WwVaDsEPen)t,ertehdeiWnetostbeVtiwregienniathe DepartmentofHealth and Human Resources ~ Bureau for Public Health (WVDHHR- BPH) and DuPont on November 15, 2001 (Consent Order).

| Northwest Bioanalytical ' ReSptourdty NNoo..

loff ARARE _ 130 March 31, 2003 Regular Mail `The Honorable Stephen L.

-- AR226-1395 .. 2 AR R8 --136 95 March 1, 1982 -8 (FC-143) EMPLOYEE COMMUNICATION .

ACUTE TOXICITY TO FISH ARIEO3F6 TEST SUBSTANCE Identity: Perfluorooctanesulfonyl fluoride;mayalso be referred to as POSF, or FX-8. (1-Octanesulfonyl fluoride, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,88-heptadecafluoro-, CAS # 30735-7).

BIODEGRADATION ITEESSTTSSuUeBsSTANNCCEE ~~~~~~~0000000 Identity: rPeerffelrueodrotoocatsanPesFuOlSfoAnAy,lamFiCd-o1(2e8thoyrl)aascetthaetem;ajmoarycaolmspoonbeent of [F(Ch-e1p2t7ad,ecFaCf-i1uo2r9o,ocFtCy-l1)s0u9l,foonrylF}C--,1p08o-tXa.ssi(uGmlyscailnt,e,CNA-Seth#y2l9-9N-1- 51-7) iRseamamrixktsu:re ofT4h0e-t4e4st%staemstplseubisstFanCc-e1,273.2%Cuwrarteenrt,i1nf4o%rmaitsioopnroipnadniocla,te4s%it ethanol, and 6-10% C4-C; fluoroalkyl carboxylate compounds.

PFOA and Associated Salts RSS toon a Feo Synonyms: FC-26, FX-1001, PFO, FC-143, FES 78.03, FC- rystCanien pgs ron | cana tr,sectorsantsoonyesmtes- 49 [cwineesEimmprmseeat]s T ES MmnviC roFantemaT nednTratnse apoElrt ET m pore arae r oFvaotsme| Tanrons sot ienrSa in rpiel CRnassua: sen Sr r [T hroE ma essoig || So=r] es feSeIimSaUc)tarnersoe:n ESm s Ss yAPTot Sor isTs Sr [mmensos TCT EET wes easaos: critiquebyJ.

BIODEGRADATION (ABS/LAS Shake Culture Test) TEST SUBSTANCE Identity: PaesrfPlFuoOrAooacmtamnooinciaucmids,alat,mmAomnmiounmiusamltp;emrfalyuoarlosooctbaenoraetfee,rrPedFOt,o FC-116, FC-126, FC-169, or FC-143.

MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: Perfluorooctanoic acid, ammonium salt; may also be referred to `as PFOA ammonium salt, Ammonium perfluorooctanoate, FC116, FC-126, FC-169, or FC-143.

AR R26 -- 0667 PFOA Acute Toxicity - 3 000847 EP HAEZE RLEETE ON 5Karen Armstrong Toxicology Services Building 220-2-02 St.

AR R26 - 0923 MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE -- -- sm Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9i5u,oroorocatsanaescuolmfponoanteen,twohficFhX-m3a1y06a.ls(o1b-e Octanesulfonic acid) (CAS # 2795-39-3).

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