3M FLUOROCHEMICAL SUBMISSION TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE April 2004 Click on Study Title to View Report April 16, 2004 Butenhoff, J.L., et al., "Characterization of Risk for General Population Exposure to Perfluorooctanoate," Regulatory Toxicology and Pharmacology 39 (2004) 363-380, April 16, 2004

3M General Offices March 17, 2000 3M Center 1 1 H Q - 0 3 0 0 - 0 0 3 7 3 u St.

3M General Offices 3M Center St.

NORTHERN KENTUCKY OFFICE SUITE 340 1717 DIXIE HIGHWAY COVINGTON, KENTUCKY 41011-4704 606-331-2838 513-381-2838 FAX: 513-381-6613 DAYTON, OHIO OFFICE SUITE 900 110 NORTH MAIN STREET DAYTON, OHIO 45402-1786 937-228-2838 FAX: 937-228-2816 R o b e r t a .

AR226-2486 David M Rurak 09/06/2002 01:11 PM To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Subject: Environmental coordination -- Forw arded by David M R urak/AE/DuPont on 0 9/0 6/20 0 2 01:10 PM - f Uma Chowdhry ' 0 8 /28 /2 0 0 2 11:16 AM To: David M Rurak/AE/DuPont@DuPont cc: Subject: Environmental coordination I hear you are the env coordinator for the C8 issue.,!

f AR226-2522 AMMONIUM PERFLUOROOCTANOATE 1r' (C-8) r groundwater i investigation steering >" iIII TEAMREPORT L L' AUGUST 2 0 0 3 GW-2001-0191 Consent Order No

TRADE SECRET Study Title H-24001: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2924 AR226-3203 D uPont-2924 Supplem ent N o. 1 Author: Carol Finlay, B.A.

3M General Offices September 21, 2006 3M Center St.

RECEIVED irrt cno OfrJUL-5 AHII: 22 AK 2Z _ 373Z Self-Reported Medical Conditions in Perfluorooctanesulfonyl Fluoride Manufacturing Workers Final Report Bruce H.

K athfine E.

Final Report Mortality of Employees of an Ammonium Perfluorooctanoate Production Facility Jessica I.

, 3M Environm ental Technology and Services / f May 10, 2002 PO Box 33331 St.

Ms.&.

S(f March 24, 2003 To: Mary F.

*+2Z(>` tC83 From: 8 n a rt J on 10*12/2001 12:36 PM To rwMyJjmi Q h ia m l com cc: rmniityQPoOndnrtic not, mptaQthofotiogroup.com. imotzQwiimingtontnjstcom Subject Oct 12 Hi Bom, Another groat weather day here, plenty of sunshine, shirt weather and Oct 12. previously known as Columbus Oay.