3M ENVIRONMENTAL LABORATORY REPORT NO.

STLS F.

ATTACHMENT TO LETTER TO C.

BACK TO MAIN DESIGN AND STRUCTURE OF MULTI-CITY STUDY submitted to 3M Environmental Laboratory 935 Bush Avenue St.

COVAH^ THE DEVELOPMENT SERVICES COMPANY Sponsors: APME Ad-Hoc APFO Toxicology Working Group FINAL REPORT Study Title: 26-Week Capsule Toxicity Study with Ammonium Perfluorooctanoate (APFO) in Cynomolgus Monkeys Author: Peter J.

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C O V /H H > THE DEVELOPMENT SERVICES COMPANY Sponsor: 3M St.

/(o/2-c> e ^ `l 4-ro**-' Ac Attn: Bill Weppner and Dan Hakes, 3M fiHAS.6 _ 0 6 5 3 Dear Bill and Dan, I found today's phone call useful in helping to sharpen and clarify some of our priority needs for submission of test data in 3M's possession or control on the perfluorochemicals as discussed in my email message of April 7, 2000.

Larry R.

A R 6 - ISOS FEBRUARY 2003 SURFACE WATER MONITORING REPORT FOR WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS WASHINGTON, WV Date: April 2003 Project No.: D6WW7423.01 18983632.00028 18983633.00026 18983634.00026 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 0003S3 NO CBI WVDEP 17572 Surface W ater Monitoring Report Table of Contents TABLE OF CONTENTS 1.0 Introduction...................................................................................................................1 2.0 C-8 Analytical Reporting............................................................................................. 2 3.0 Washington Works Facility.........................................................................................4 4.0 Local Landfill............................................................................................................... 5 5.0 Letart Landfill.............................................................................................................. 6 6.0 Dry Run Landfill.......................................................................................................... 7 7.0 References.................................................................................................................... 8 Table 1.0 Table 2.0 Table 3.0 Table 4.0 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 Figure 1.0 Figure 1.1 Figure 1.2 Figure 2.0 Figure 2.1 Figure 2.2 Figure 3.0 Figure 3.1A Figure 3.IB Figure 4.0 Figure 4.1 FIGURES Site Location Map - Washington Works Facility Surface Water Sample Location Map - Washington Works Facility C-8 Concentration Map February 2003 - Washington Works Facility Surface Water Site Location Map - Local Landfill Surface Water Sample Location Map - Local Landfill C-8 Concentration Map February 2003 - Local Landfill Outfalls Site Location Map - Letart Landfill Surface Water Sample Location Map - Letart Landfill Rt. 33 Stream and Brinker's Run Surface Water Sampling Locations Letart Landfill Site Location Map - Dry Run Surface Water Sample Location Map - Dry Run Landfill FEB SW M R.doc Apr. 15, 03 Wilmington, DE i 0G03S4 Surface W ater Monitoring Report Table of Contents Figure 4.2 C-8 Concentration Map February 2003 - Dry Run Landfill Outclass Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F 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 - Dry Run Landfill Chain-of-Custody Records - Dry Run Landfill FEB SW M R.doc Apr. 15, 03 Wilmington, DE ii 000385 Surface W ater Monitoring Report Introduction 1.0 INTRODUCTION A multi-media consent order (Order No.

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3M FLUOROCHEMICAL SUBMISSIONS February, 2002 - May 11, 2004 TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE Click on Study Title to View Report Multiple Chemicals PAGE 1, 2, 3 Human Sera/Medical Surveillance/Epidemiology 1.

3M Specialty Materials 3M Center St.

fid 6 - 1 3 ^ 7 SRPT T-76fci MIN 315/022356 PERFLUOROOCTANESULFONYL FLUORIDE (POSF) T 'lk k l.3 /A V/T0 MAMMALIAN CHROMOSOME ABERRATION TEST IN HUMAN LYM PHOCYTES Sponsor 3M Center 3M Corporate Toxicology Building 220-2E-02 St Paul MN 55133-3220 USA Page 1 of 31 Research Laboratory Huntingdon Life Sciences Ltd Woolley Road Alconbury Huntingdon Cambridgeshire PE28 4HS ENGLAND Report issued 22 October 2002 001542 MIN 315/022356 CONTENTS Page CONTENTS.......................................................................................................................... 2 COMPLIANCE WITH GOOD LABORATORY PRACTICE STANDARDS..................... 4 QUALITY ASSURANCE STATEMENT............................................................................. 5 RESPONSIBLE PERSONNEL............................................................................................. 6 SUMMARY.......................................................................................................................... 1 INTRODUCTION.................................................................................................................. 8 TEST SUBSTANCE.............................................................................................................. 10 EXPERIMENTAL PROCEDURE......................................................................................... 11 ASSESSMENT OF RESULTS.............................................................................................. 15 MAINTENANCE OF RECORDS......................................................................................... 15 RESULTS.............................................................................................................................. 16 CONCLUSION...................................................................................................................... 17 REFERENCES....................................................................................................................... 18 :2: 001543 MIN 315/022356 COMPLIANCE WITH GOOD LABORATORY PRACTICE STANDARDS The study described in this report was conducted in compliance with the following Good Laboratory Practice standards, with the exceptions stated below, and I consider the data generated to be valid.

3M C orporate Toxicology a id Regulatory Services 3M Center, Building 0220-02-E-02 St.