Final Report Mortality of Employees of an Ammonium Perfluorooctanoate Production Facility Jessica I.

INTERIM REPORT #22 - Analysis of Soil Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE October 2,2006 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244435 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: 03/06/2006 Signature Name: Richard C.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244963 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Sue Stefanosky Date: 03/23/2006 Signature Name: Richard C.

/ R 6 _ 0 9 5 & UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 SEP - 5 20U OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES Mr.

AKlK> _ I07 'fi\2 m & d - k o UNITED STATES ENVIRONMENTAL PROTECTION WASHINGATGOENNDC.YC., 20460 APR %5 2 ro OFFIC " F PREVENTION, P CIDES AND TOXIC SU \NCES NOTE SUBJECT: Summary of March 7, 2001, meeting with Fluoropolymer Manufacturing Group TO: AR-226 FROM: Mary F.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M General Offices 3M Center St.

BACK TO MAIN Fluorochemical Decomposition Processes - April 4,2001 David A.

BACK TO MAIN BIODEGRADATION (Anaerobic Sludge) 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 3M production lot number was 217 (TN-A-2130).

PFOS Presentation to CMA, June 19,2000 Charles M.

fisKZ-ZG , IO Z f 9 C r - 3 a / ~ / i7 $ * 4 < K DuPont Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road, P. 0.

fif 2 .6 _ 1 / ^ 3 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 An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 Surface water Monitoring Report Table of Contents TABLE OF CONTENTS 1.0 Introduction...................................................................................................................1 2.0 C-8 Analytical Reporting.............................................................................................2 3.0 Washington WorksFacility..........................................................................................3 4.0 Local Landfill............................................................................................................... 4 5.0 Letart Landfill.............................................................................................................. 5 6.0 Dry Run Landfill.......................................................................................................... 6 7.0 References.................................................................................................................... 7 Table 1.0 Table 2.0 Table 3.0 Table 4.0 Figure 1.0 Figure 1.1 Figure 1.2 Figure 2.0 Figure 2.1 Figure 2.2 Figure 3.0 Figure 3.1 Figure 3.2 Figure 4.0 Figure 4.1 Figure 4.2 TABLES C-8 in Surface Water - Washington Works Facility C-8 in Surface Water - 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 Map - Dry Run Surface Water Sample Location Map - Dry Run Landfill C-8 Concentration Map July 2002 - Dry Run Landfill Outfalls JULGMR.doc Sep. 17. 02 Wilmington, DE 000444 Surface water 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 Reports - Letart Landfill Chain-of-Custody Records - Letart Landfill Laboratory Analytical Data Reports - Dry Run Landfill Chain-of-Custody Records - Dry Run Landfill JULGMR.doc Sep. 17. 02 Wilmington, DE 060445 ii Surface water Monitoring Report Introduction 1.0 INTRODUCTION A multi-media consent order (Order No.

J rf 3M Katherine E.