3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

PUBLIC COPY May 12, 2009 Via Federal Express Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics U.S.

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

r PUBLIC COPY October 30,2007 Via Federal Express Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics U.S.

89080000216 Re: TSCA 8(e) Substantial Risk Notice: Supplemental to Docket No. 8EHQ-0598-373; Sulfonate-based and Carboxylate-based Fluorochemicals To whom it may concern, 3M is submitting this notice to supplement its previous submissions on sulfonyl-based and carboxylate-based fluorochemicals.

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

c iff 3M General Offices 3M March 17, 2000 3M Cerner Y E fj t-0 3 0 0 - 0 3 1 3 ..St.

^Catherine E.

8EHQ-09-16436I 89090000405 September 16,2009 - , ; V i` '3 0 09 SEP 18 6** 09 DuPont Haskell Global Centers for Health and Environmental Sciences 1090 Elkton Road, P.O.

# > {{ Katherine E.

& f 6?

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

Katherine E.