Document EvZVv3Y44wjzDd5rbGw2ekwab

Jean B. Sweeney Vice Pr i t 3M Environmental, Health and Safety Operations 3M Center, Building 0224-051^/1)3 St. Paul, M N 55144-1000 651 7 3 7 3569 Certified Mail RECBVee O ^ T Cle 09 JUL - 1 AH 6 :01 June 25, 2009 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 3 89090000321 890 NO CBI OOO } 2 I Re: TSCA 8(e) Substantial Risk Notice: Supplemental to Docket No. 8EHQ-0598373; Sulfonate-based and Carboxylic-based Fluorochemicals To whom it may concern: 3M is submitting this notice to supplement its previous submissions on sulfonate-based and carboxylic-based fluorochemicals. 3M has recently obtained draft biomonitoring data, generated by the Minnesota .. Department of Health, showing detectable levels of the fluorochemicals in the blood of residents living in the Washington County area of Minnesota. Study participants were exposed to fluorochemical-containing drinking water via either private wells or municipal water. The draft data were obtained by 3M via our participation on a state-assembled biomonitoring panel. We are notifying the EPA of these data to fulfill our TSCA 8(e) reporting obligations, and will provide a copy of the final report once it is made r-; publically available by the Minnesota Department of Health. If desired, a draft report can be obtained by the EPA from the Minnesota Department of Health. If you have any questions or need additional information, please contact Dearma Luebker, 3M TSCA 8(e) Coordinator, at (651) 737-1374 or diluebker@minrn.com. Sincerely, Jean B. Sweeney Staff Vice President, 3M Environmental, Health and Safety Operations ins mm** nocbi