Document pDG43dDnoLKbRpEpKD2gdwbB

3M General Offices \W ^ 3M February 5, 1999 5\1 Center SH& - 02.ee. 373Si. Paul, MN 53144-1001) 612 73.1 11 10 Frank D. Kover, Chief Chemical Information and Testing Branch Chemical Control Division Office of Pollution Prevention and Toxics U.S. Environmental Protection Agency 401 M Street, S.W. Washington, D.C. 20460 Dear Mr. Kover: / C Id Ycf A IO O / c .j ro co O xCD Enclosed you will find two papers entitled, "The Science of Organic Fluorochemistry" and "Perfluorooctane Sulfonate: Current Summary of Human Sera, Health and Toxicology Data". An additional paper on a preliminary exposure assessment is being finalized and will be sent to you shortly. I will talk with you in the near future to schedule a meeting between 3M and the EPA where we can discuss in more detail the information enclosed. I look forward to our continued dialog. If you have any questions, please feel free to contact me. Best regards, Q. William A. Weppner, Ph.D. Director Environmental, Health, Safety & Regulatory Affairs Speciality Materials Group 3M Center, Bldg. 236-IB-10 St. Paul, MN 55144 651/733-6374 . ^. Enclosures EPA-CJTS 000811762P 000ail7t2P c'-oo p"> CO 7Y> o Cp 0o4? I