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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.

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

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GAO Review of DOD Drinking Water Contaminants (100947) Follow-up Questions on AFFF Products In our prior conversations with Navy officials, we have been told that DOD's AFFF MILSPEC calls for AFFF products to contain PFCs.

3M Environmental Laboratory Report No.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244403 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 02/28/2006 Signature Name: Richard C.

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

BACK BIODEGRADATION TEST SUBSTANCE Identity: Remarks: Perfluorooctanesulfonamide; may also be referred to as FOSA or F-10105 (1-Octanesulfonamide, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro, CAS # not available) FOSA was a light yellow waxy solid.

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AAA6 - ll<W TWO-MILE RADIUS SURVEY AND C-8 SAMPLING REPORT DUPONT WASHINGTON WORKS FACILITY/LOCAL LANDFILL, WEST VIRGINIA (MARCH - MAY 2002) T 'O o cn ~Ui0*-77 Date: August 2002 Project No.: D6WW7423 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 CONTAJN NC 000365 Two-mile Radius Survey and C-8 Sampling Report Table of Contents TABLE OF CONTENTS 1.0 Introduction...................................................................................................................1 2.0 C-8 Analyses and Analytical Reporting...................................................................... 3 3.0 Washington Works Facility/Local Landfill Two-mile Radius Survey Summary of Results......................................................................................................5 4.0 Re-sampling of Selected Residences Located Within the One-Mile Radius..............6 5.0 Results for Additional Sampling Locations................................................................. 7 6.0 Path Forward................................................................................................................ 8 7.0 References.................................................................................................................... 9 Table 1 Table 2 Table 3 Table 4 TABLES Summary of Off-site Sampling Program (C-8 Sampling) Summary of C-8 Analytical Results in Groundwater and Surface Water (Off-site Wells, Springs, and Cisterns) Local Landfill Two-mile Radius Summary of C-8 Analytical Results in Drinking Water (Off-site Wells, Springs, and Cisterns)--One-mile Radius Re-sampling at Washington Works Facility/Local, Letart, and Dry Run Landfills Summary of Additional C-8 Analytical Results in Groundwater and Surface Water Figure 1 FIGURES Washington Works Facility and Local Landfill Two-mile Radius Map Appendix A Appendix B APPENDIX Two-mile Radius Well Survey Results--Washington Works Facility and Local Landfill DuPont Washington Works West Virginia Miscellaneous Groundwater Samples WV-2 report.doc Jul. 31, 02 Wilmington, DE 000366 i Two-mile Radius Survey and C-8 Sampling Report Introduction 1.0 INTRODUCTION A multi-media consent order (Order No.

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February 7, 2003 DRAFT Study Plan: Impurity Analysis of Products R A -- / *2- 7 & Telomer Research Program The following is a proposed study plan for the analysis of PFOA in 11 different telomer-based products (see below).