Document DDgRMBzvyd5wYXQBaL55nzxnM

Katherine E. Reed, Ph.D. * Staff Vice President 3M Environmental, Health and Safety Operations WPP* '_ Certified Mail 00373 900 Bush Avenue, Building 42-2E-26 PO Box 33331 St. Paul, MN 55133-3331 651 778 4331 January 8, 2004 Document Processing Center EPA East - Room 6428 Attn: Section 8(e) Office of Pollution Prevention and Toxics US EPA 1200 Pennsylvania Avenue NW Washington DC 20460-0001 RE: TSCA 8(E) SUPPLEMENTAL SUBMISSION: Docket No. 8EHQ-0602-15091 Dear Docket Coordinators: 3M has previously informed the EPA (February 28, 2002 and April 3, 2002) of the results of an oral gavage two-generation reproduction study in rats with ammonium perfluorooctanoate (CAS# 3825-26-1). In today's submission, 3M provides results from subsequent related testing with this material. This information has been previously submitted to and discussed with EPA. Enclosed please find the final study titled "PFOA: Lactational and Placental Transport Pharmacokinetic Study in Rats." Please contact John Butenhoff (651-733-1962) if you have any questions or if we can provide additional information. Sincerely, -Cs*-" Katherine E. Reed Staff Vice President, Environmental, Health and Safety Operations Enclosure c: Ms. Andrea Malinowski DuPont Building 1007 Market Street Wilmington, DE 19898 Dr. Robert Rickard DuPont Haskell Laboratory Elkton Road, P.O. Box 50 Newark, DE 19714-0050 A EPA-OTS 000811868W cooaiiabflw rIo r-: -- 4T- cz /