Document rBpdwVrxR9wBO3OQGrg8MoEka

3M Specialty Materials f January 3, 2003 3M Center St. Paul, MN 55144-1000 651 733 1110 M SlSlG - 1 1 *? f y j - I03 -01572 VIA FEDERAL EXPRESS Document Control Office (DCO) Office of Pollution Prevention and Toxics (OPPT) US Environmental Protection Agency EPA East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 IT .c--mO ui C_ ! Attention: Docket No. AR-226 and the FYI Docket Dear Sir or Madam: 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 are the following: "Perfluorooctanesulfonyl Fluoride (POSF), T-7661.2, Bacterial Reverse Mutation Test", Huntingdon Life Sciences Ltd., October 23, 2002. "Perfluorooctanesulfonyl Fluoride (POSF), T-7661.3, In Vitro Mammalian Chromosome Aberration Test in Human Lymphocytes, Huntingdon Life Sciences Ltd., October 22, 2002 and Protocol. We will continue to provide information as it becomes available. Please feel free to contact me if you have any questions. FYI-00-001378 Very truly yours, FYI-00-001378 85030000003 85030000003 cc: Dr. Charles Auer Dr. Oscar Hernandez Michael A.'Santoro Director of Environmental, Health Safety and Regulatory Affairs Specialty Materials Markets 3M Center, Building 236-1B-10 St. Paul, MN 55144 651-733-6374 (phone) 651-733-1958 (fax) E-mail: masantoro@mmm.com S INS po --!m ;r< z: o 't ? o CO OU NN TAIN NO OB! 000001