DuPont Engineering July 22,2002 AR226-2590 OuPontEnginoBring BarieyMillB8!.

KNOW YOUR ENVIRONMENT.

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30) Laboratory incineration study of PFBS and Fluorochemical polymers UDR-TR-2002-000153 SANITIZED DEC 0 9 2003 12/16/2002 Laboratory-Scale Thermal Degradation of Perfluoroalkyl Sulfonates and Perfluoroalkyl Sulfonamides Final Report Prepared by: Takahiro Yamada and Philip H.

CXR Biosciences Ltd.

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3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO.

3M ENVIRONMENTAL LABORATORY REPORT NO. 07-0650 Final Report Analysis of PFBA, PFOA, PFBS, PFOS, FBSA, and FOSA in Aqueous Samples from 3M Decatur, Alabama 3M Decatur NPDES Permit Number AL0000205: Quarterly FC Monitoring of Outfall DSN001; 4th Quarter 2007 Sampling Laboratory Request Number: E07-0650 Method Requirement: 3M Method ETS-8-154.1 Report Date -December 10, 2007 Testing Laboratory 3M EHS Operations 3M Environmental Laboratory Building 260-5N-17 Maplewood, MN 55144-1000 Requester Gary Hohenstein 3M Building 42-02-E-27 PO Box 3331 Saint Paul, MN 55133-3331 Phone: (651)778-5150 Fax: (651)778-7203 1ir accredited] Certificate #2052-01 The testing reported herein meet the requirements of ISO/IEC17025-2005 "General Requirements for the Competence of Testing and Calibration Laboratories", in accordance with the A2LA Certificate #2052-01.

SEVERN 1 REN T STL STL Chicago 2417 Bond Street University Park, IL 60466 Tel: 708 534 5200 Fax: 708 534 5211 HWW.Si/-ff7C.C0fn SEVERN TREN T LA B O R A TO R IES i l t io JOB NUMB ER : 233 5 07 P r e p a r e d "Por: W e s Lon Soluti, o n s , Inc . 14 0 C -Weston Way B u i l d i n g 5-2 :: .

Interim Report #1 Epidemiology, 220-3W-05 Medical Department 3M Company St.

BACK TO MAIN 3M Company EPI-0013 Page 1of 5 INTERIM REPORT Epidemiology M edical Department 3M Company St.

aceAnalytical Field Services Division 3 BACK TO MAIN Pace Analytical Services, Inc. 1700 Elm Street, Suite 200 Minneapolis, MN 55414 Phone: 612.607.1700 Fax: 612.607.6444 3M Multi-city Food Study Project Date: December 4 - 8, 2000 Prepared by: Pace Analytical Services, Inc.

BACK TO MAIN Environmental Monitoring - Multi-City Study Water, Sludge, Sediment, POTW Effluent and Landfill Leachate Samples Executive Summary 3M Environmental Laboratory June 25, 2001 Introduction The Multi-City study was conducted to obtain data about the presence of fluorochemicals in the environment, foods, and drinking water, in order to understand the potential sources of human and environmental exposures.