Document 3QRE3DNrZ8Ng5QYeVGMB5dOb0

3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St. Paul, MN 55144-1000 651 733 1773 Fax Certified Mail r i c t c i <i.^r-V r~ i "l. i \ 0 :^1 f ' i ' 7 ' V ' r? ` 2 JAN 4 ^ ** APZJG - 35 7 7 i*or-oo*W December 19, 2005 Document Processing Center (Mail Code 7407M) Room 6428 Attention: TSCA 8(e) Coordinator Office of Pollution Prevention and Toxics U.S. Environmental Protection Agency 1201 Constitution Avenue, N. W. Washington, D. C. 20460 " ,, ' NoCBI Re: TSCA Section 8(e) Supplemental Notice: Sulfonate-based and Carboxylic-based Fluorochemicals, Docket Nos. 8EHO-1180-374: 8EHQ-0381-0394: 8EHO-0598-373 Dear Sir/Madam: On August 24, 2005,3M notified the EPA that preliminary data had been received from 36 lots of commercially available normal pooled human serum screened for endogenous fluorochemicals. Enclosed please find the final report for this study. Please contact me at 651-737-1374 if you have any questions or need any additional information. Sincerely, Deanna J. Luebker, MS, PhD TSCA 8(e) Coordinator Enclosure rr--ot cx;i e_n ro 89060000151 8 906 0 0