Document pp6ENbKogyR6XVv3KvVwyXega

3M Corporate Toxicology a id Regulatory Services 3M Center, Building 0220-02-E-02 St. Paul, MN 55144-1000 651 733 1773 Fax - I Z Z tfj? - - 3 7 -? Certified Mail September 8, 2003 Co, Document Processing Center EPA East - Room 642 8 Attn: Section 8(e) Office of Pollution Prevention and Toxics US EPA 1200 Pennsylvania A\ enue NW Washington DC 20460-0001 RE: TSCA 8(E) SUPPLEMENTAL SUBMISSION: Docket No. 8EHQ-0602-00373 0 CO CO m -a rxo .c- 7>pn 7>0 Hm j * :- l' m< cn o o 0 GO Dear Docket Coordinators: CB. On October 30, 2002, 3M provided EPA with preliminary results from a oral combined repeated dose toxicity test with reproductive/development toxicity screening test on peril uorohexane sulfonate potassium salt (PFHS). The final report for this study contains results that are consistent with the previously reported information. Enclosed please find the following final report on CD Rom: Oral (Gavage) Combined Repeated Dose Toxicity Study of T-7706 with the Reproductive/ Developmental Toxicity Screening Test Please contact John Bitenhoff (651-733-1962) if you have any questions or if we can provide additional information. Sincerely, Larry R. Johnson Director, Corporate Toxicology and Regulatory Services Enclosure yy EPA-OTS 000811866U flllfibbU GO CO 7 3 n o -H m 00 cn I bcc: Chri Kedrowiiki - CT&RS - 220-2E-02 John Butenhoif- CT&RS - 220-2E-02