3M General Offices 3M Center St.

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Aft z z - 1077 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460 OFFICE OF PREVENTION, PESTICIDES AND TOXIC SUBSTANCES er:: MEMORANDUM SUBJECT: Draft Hazard Assessment O fPerfluorooctanoic Acid And Its Salts FROM: TO: Charles M.

AR2.A6 _ //> OCT 2 5 202 THIRD QUARTER 2002 SURFACE WATER AND GROUNDWATER MONITORING REPORT FOR WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS WASHINGTON, WV Date: October 2002 Project No.: D6WW7423.01 18983635.20000 A CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 oo CONTAIN NO CBI 000163 Surface water And Groundwater 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 1.1A Table 1.1B Table 2.0 Table 2.1A Table 2.

ftp. a & e - t i t # Protein Binding of Perfluorohexane Sulfonate, Perfluorooctane Sulfonate and Perfluorooctanoate to Plasma (Human, R at, and Monkey), and Various Human-Derived Plasma Protein Fractions STUDY ID: 9921.7 Southern Research Institute 2000 Ninth Avenue South P.O.

COVArfiCE^ THE DEVELOPMENT SERVICES COMPANY fiR AS. 6 -- 13 S'S' Sponsor: 3M St.

Katherine E.

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Page 1 FINAL REPORT Epidemiology, 220-3W-05 Medical Department 3M Company St.

February 11, 2005 NV I RO N Dr.

3M General Offices 3M Center F St.

AR226-2555 Robert F Pinchot 05/11/2000 07:31 A M ______ To- David M Rurak/AE/DuPont@PuPont, Michael McCord/AE/DuPont@DuPont, Robert J Cavanaugh/DuPont@DuPont, Luk Q'Haenens/UR/DuPont@DuPont, Roger J Zipfel/AE/DuPont@DuPont, Anthony J Playtis/Cl/DuPont@DuPont, Arie J Vermeulen/6UR/DuPont@DuPont, Gerald L Kennedy/AE/DuPont@DuPont, William R Berti/Ai/DuPont@DuPont, John Gannon/AE/DuPont@DuPont, Robert L Rltchey/GUDuPont@DuPont, Andrew S Hartten/AiyDuPont@DuPont, Susan S Mileti/DuPont@DuPont co: Andrea V Malinowski/A/OuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Richard J Angiullo/AE/DuPent@DuPont, Bernard J Reilly/AE/DuPont@DuPont, Gary W Jepson/AE/DuPont@DuPont Subject: PFOA EPA Request As many of you know, the Office of Pollution Prevention and Toxics in the US EPA has requested that DuPont supply a large amount of information on Perfluorooctanoate (PFOA or G-8).

Katherine E.

3M Katherine E, Reed.