Document BLqVNEdEByvyydybrpwgk0zL

3M Specialty Materials February 13, 2003 3M Center St. Paul, MN 55144-1000 651 733 1110 VIA FEDERAL EXPRESS DUrS. CEnhvarirleosnmAeunetral Protection Agency EPA East, Room 3166 1201 Constitution Avenue, NW Washington, DC 20460 UDSr. OEnscvairronHmerennatanldezProtection Agency EPA East, Room 3166 1201 Constitution Avenue, NW Washington, DC 20460 Re: Information on Perfluorooctane Sulfonates and Related Compounds Dear Charlie and Oscar: Attached herewith are copies of a recent submittal to the Docket AR-226 and the FYI Docket. This continues 3M's voluntary submissions of data on perfluorooctane sulfonates and related compounds, as part of our ongoing dialogue with EPA regarding fluorochemicals. Included in this submission is the following: Final Report, A Pharmacokinetic Study of Potassium Perfluorooctanoate in the Cynomolgus Monkey, P.E. Noker and G.S. Gorman, Southern Research Institute, T7507.1, January 14, 2003. We will continue to provide information as it becomes available. Please feel free to contact me if you have any questions. Very truly yours, "7 Michael A. Sa/ntoro Director of Environmental, Health Safety and Regulatory Affairs Specialty Materials 3M Center, Building 236-1B-10 St. Paul, MN 55144 651-733-6374 (phone) 651-733-1958 (fax) E-mail: masantoro@mmm.com