AR226-2151 To: Andrea Malinow ski/DPL/DUP@ DUP, Bernard J Reilly/AE/DuPont@DuPont, Stephen H Korzeniowski/DuPont@DuPont, Jim E Pesek/AE/DuPont@DuPont, Robert C Buck/DuPont@DuPont.

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AR226-2324 Charles J Zarzecki 04/03/2003 01:34 PM To: cc: Subject: Catherine A Barton/AE/DuPont Re: Beychok Article 0 ) Cathie, l think they are really not 2separate issues.

AR226-2557 Andrew S Harden 05/23/2001 05:21 PM Robert l Ritchey/CL/DuPont@DuPont, Alison A Crane/AE/DuPont@DuPont, George To: Woytowich/CUDuPont@DuPont cc* Subject: information on Washington Works Facility received fe today.

AR226-3642 INTERIM REPORT #1 Analysis o f Oakdale W ater Samples STUDY TITLE Analysis of Perfluorooctanoic Acid (PFOA), Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) in Water, Soil, Sediment, Fish, and Clams Using LC/MS/MS for the 3M Cottage Grove Monitoring Program DATA REQUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimba Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE May 19,2005 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 s Phone:814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

Self-Reported Medical Conditions in Perfluorooctanesulfonyl Fluoride Manufacturing Workers Final Report Bruce H.

3M General Offices 3M Center St.

C lariant CBI M eeting, A pril 2,2003 NAME tA nranrA :A h n/!

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.

BACK TO MAIN 3M Company EPI-0011 Page 1of 5 INTERIM REPORT Epidemiology M edical Department 3M Company St.

BACK TO MAIN June 25, 2001 Overview of the 3M Company Study "An Epidemiologic Analysis of Episodes of Care of 3M Decatur Chemical and Film Plant Employees, 1993-1998" The analysis of administrative databases, including health insurance claims data, have been infrequently reported in occupational epidemiologic research studies.

BACK TO MAIN AR226-1030A036 Study Title Microbial Metabolism (Biodegradation) Studies of Perfluorooctane Sulfonate (PFOS) III.

TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS MULTIPLE CHEMICAL STUDIES STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Hum an Sera/M edical Surveillance/Epidem iology M ortality Study of W orkers Em ployed at he 3M C ottage G rove Facility M ortality Study of W orkers Em ployed at the 3M D ecatur Facility Division of Environm ental and O ccupational Health, School of Public Health, U niversity of M innesota Division of Environm ental and O ccupational Health, School of Public Health, U niversity of M innesota Y ear 2000 Medical Surveillance Serum FC Levels Am ong Em ployee Participants of the Y ear 2000 D ecatur Fluorochem ical M edical S urveillance Program Serum FC Levels Am ong Em ployee Participants of the Y ear 2000 A ntw erp Fluorochem ical M edical S urveillance Program D escriptive Sum m ary of Serum Fluorochem ical Levels Am ong Building 236 W orkers An E pidem iologic A nalysis of Episodes of Care of 3M D ecatur Chem ical and Film Plant E m ployees, 1993-1998 04/26/01 04/26/2001 03/19/001 03/19/01 03/19/01 05/18/01 Final Report Final Report Report Report Final Report Final Report Id e n tifica tio n o f F lu o ro c h e m ic a ls in H um an T issu e 06/14/01 Final Report TOXICOLOGY, EPIDEMIOLOGY AND MEDICAL SURVEILLANCE DOCUMENTS MULTIPLE CHEMICAL STUDIES STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Hum an Sera/M edical Surveillance/Epidem iology Serum Level Studies Id e n tifica tio n o f F lu o ro c h e m ic a ls in C h ild re n 's S era Id e n tifica tio n o f F lu o ro c h e m ic a ls in A m e ric a n Red C ro ss D onors Supplem ental notice for Sulfonate Based and C arboxylic-B ased Fluorochem icals, Reporting Results of Red Cross A dult and C hildren's Sera S tu d ie s 06/26/2001 06/26/2001 Final Report Final R eport 03/19/001 3m Letter to TSC A 8e Docket

BACK TO MAIN Sulfonated Perfluorochemicals: Maps of Environmental Sampling Sites for Six Cities in Multi-City Study for 3M Specialty Materials prepared by Battelle Memorial Institute 505 King Ave.