,T estR esu)ts \ AR226-2120 flle:///C|/WLNDOWSn iMVim>8 5F IZ-I l - / y mru iz.-1 3 -iy.n m i Test Results Sam ple Date Range Concentration Range Action Level Industrial Hygiene 12/11/79 100% 12/13/79 Sample Dt Sample # Duration Type Employee Name Pers B T O : 08 TEFLON@ LOC: 706 FINE POW DER D RYER #3 12/13/79 48579 S Chemical Cone Unit Percent c ' 8 <0.0001 PPM 0.0% BTO: LOC: 08 TEFLON 707 FINE POW DER D RYER #2 12/11/79 60139 S C-8 0.0038 PPM 0.0% ) 1of 2 8/9/2001 3:50 PM EID139475 ,,T estR esults 4 V ** I * Thursday.

AR226-2553 To: Andrew S Hartten/AE/DuPont@DuPont Co: Subject: request for Information on perfluorochemicals can you make a m eeting this afternoon at 3:15 at chestnut run 711 . . . . . .

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AR226-2807 TRADE SECRET DuPont-12737 Study Title H-25538: Corrositex In Vitro Test Laboratory Project E): DuPont-12737 Author: Carol Finlay, B.A.

TRADE SECRET Study Title H-24944: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-6542 AR226-3193 ` DuPont-6542 Author: Carol Finlay, B.A.

Katherine E.

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

Date: January 9, 2006 AR SS.G - 36 70 Final Report Epidemiology, 220-6W-08 Medical Department 3M Company St.

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

3M Specialty Materials 3M Center St, Paul MN 55 144-1000 651 733 1i 10 February 20, 2008 Via Hand Delivery Document Control Office Docket AR-226 EPA East Building, Room 6428 1201 Constitution Ave., N.W.

mi 3M 3.V1 C.eneral Ottices 3M Center St.

BACK TO MAIN ACCUMULATION OF PERFLUOROOCTANESULFONATE AND RELATED FLUOROCHEMICALS IN MINK AND RIVER OTTERS John P.

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AKlK> _ I07 'fi\2 m & d - k o UNITED STATES ENVIRONMENTAL PROTECTION WASHINGATGOENNDC.YC., 20460 APR %5 2 ro OFFIC " F PREVENTION, P CIDES AND TOXIC SU \NCES NOTE SUBJECT: Summary of March 7, 2001, meeting with Fluoropolymer Manufacturing Group TO: AR-226 FROM: Mary F.

Interim Report #2 Epidemiology, 220-3W-05 Medical Department 3M Company St.