Katherine E.

Katherine E.

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.

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Jean B.

# > {{ Katherine E.

3>l General Otlices 3M Center St.

Relevant studies include mammals that have undergone non-acute exposure to Cape Fear PFCs and biomonitoring of workers who and their children.

Katherine E Reed, Ph.D.

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.

PUBLIC COPY May 23, 2008 RF.'

Larry R.

DuPont Haskell Global Centers for Health and Environmental Sciences 1090 Elkton Road, P.O.

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.