Document OzL51JOK2Jm87OKeVqmpXr6Mw

a1TM General Offices: 1ak6 pp 3M April 3,2002 aaS MnCenitr rt v . Ontain NG[:]] AR226 _ 109] B&H 0402 _ 00373 HR 5 66 EDoPcAumEeanst--tPrRoocoesmsi6n4g2C8eAntttenr: (S7e4c0ti7oMn)8() Office of Pollution Prevention and Toxics US EPA 1200Pennsylvania Ave., NW Washington, DC 20460-0001 GeHp-0300--22)02 `TSCA 8(E) SUBSTANTIAL RISK. SUPPLEMENTAL INFORMATION: Ammonium Perfluorooctanoate CAS#: 3825-26-1 = 2 ox 3 57 2x 5 2 3 ~ oo Dear Sir: Enclosed is the final report of the study described in the TSCA 8() notice dated February 28, 2002, submitted by 3M on Ammonium Perfluorooctanoate CAS# 3825-26-1 Oral (Gavage) Two-Generation (One Litter per Generation) Reproduction Study in rats, by Argus Research Laboratories. For further information, please contact Dr. John Butenhoff, 651-733-1962. Sincerely, I forn Georjgn Marlager, L. Adams Corporate Product Responsibility Enclosure fi iii ! 000811845R :