Document ga3Z378LLVZnR7LYdjYqEBK4V

3M General Offices Certified Mail 3M Center St. Paul, MN 55144-1000 612 733 1110 A R A * _ e m - 0302-00373 % ~Cyo~ 3>?3 September 23,2003 Document Processing Center EPA East - Room 6428 Attn: Section 8(e) Office o f Pollution Prevention and Toxics US EPA 1200 Pennsylvania Avenue NW W ashington DC 20460-0001 NR RE: TSCA 8(E) SUPPLEMENTAL SUBMISSION: Docket No. 8EHQ-0602-00373 Dear Docket Coordinators: GQ0Allflb7V On August 21, 2000,3M provided EPA with preliminary results from a toxicity study conducted with perfluorooctanesulfonate (PFOS). The final report for this study contains results that are consistent with the previously reported information. Enclosed please find the following final report: Fluorochemical (FC) Levels in Nave Rats, Final Report, Revision A Please contact John Butenhoff (651-733-1962) if you have any questions or if we can provide additional information. Sincerely, fs) oc~> i ~o ro ro Larry R. Johnson Director, Corporate Toxicology and Regulatory Services Enclosure s ~ is VO --l p i 3=c