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ORIGINAL DOES NOT CONTAIN CBI P RfCE!

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

7/6/2017 .Significant New Use Rules View Significant New Use Rules Chemical Name: 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-Heptadecafluorooctane-l-sulfonic acid Chemical Identifier: 1763-23-1 Federal Register Citation: 72 FR 57222 October 9 2007; 67 FR 72854 December 9 2002; Code Federal Regulation: 40 CFR 721.9582: Chemical Category: Perfluoro Compounds; What is a Significant New Use Rule (SNUR)?

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

7t/a/2017 Significant New Use Rules View Significant New Use Rules Chemical Name: 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononanoic acid Chemical Identifier: 375-95-1 Federal Register Citation: 78 FR 62243 October 22 2013; Code Federal Regulation: 40 CFR 721.10536: Chemical Category: Perfluoro Compounds; What is a Significant New Use Rule (SNUR)?

ORIGINAL DOES NOT CONTAIN CBI 3M Environmental, Health and Safety Operations 3M Center, Building 0224-05-W-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.

ORIGINAL D O E S N O T C O N TA IN C B I Taft/ Taft Stettinius & Hollister LLP 425 Walnut Street, Suite 1800 / Cincinnati, OH 45202-3957 / Tel: 513.381 2838 / Fax. 513.381 0205 / www.taftlaw.com Cincinnati / Cleveland / Columbus / Dayton / Indianapolis / Northern Kentucky / Phoenix Robert A.

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.