P-O 000220 ) onti -tmtyv From: To: Barbara J Dawson on 10/19/2000 1201 PM Beth F Basham/AE/DuPont@DuPont.

Off-site sampling of PFOA, PFBS, PFFIS, and PFOS concentrations.

3 GLP10-01-02 Interim Report 01: Analysis for PFOS, PFHS and PFBS in Decatur Site Soils Collected in March/April 2010 Study Title 3M Environmental Laboratory Analytical Protocol GLP-10-01-02: Analysis of Perfluorooctane Sulfonate (PFOS), Perfluorohexane Sulfonate (PFHS) and Perfluorobutane Sulfonate (PFBS) in Groundwater, Soil and Sediment for the 3M Decatur Phase 3 Site-Related Monitoring Program Data Requirement EPA TSCA Good Laboratory Practice Standards 40 CFR Part 792 Study Director Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 Principle Analytical Investigator Cleston C.

3M Environmental Laboratory Final Project Report Amendment Project number: E12-0849 Project title: "Analysis of PFOS, PFHS, PFBS and PFOA in Soils from Decatur, AL in December 2012" Project Lead: Cleston Lange Amendment date: 2/13/2013 Am endm ent number: 01 This amendment modifies the following portion of the final report: 1) Correction to the title of Table 1 2) Update the title page to refer to the amended report as revision 1 3) Corrections to Table 11 and 12 based on Weston comments.

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Wildlife International.

CAS Number 423-82-5 3M Company Aft. 3.0.6 jOSYL. 1 Voluntary Use and Exposure Information Profile N-ethylperfluorooctylsulfonamido ethyl acrylate I.

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A R 2 2 6 -2 6 2 9 17 t'ft O P f The miracles f science Dordrecht Works C-8 Sampling Summary-Revision 1 Groundwater Sampling Results la r c h 2003 AR226-262 Revision 1 Note: Revision 1 of the Dordrecht Works March 2003 sampling event summary was prepared based on new well constriction information received in June 2003.

AR226-2652 AR226-2652 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia Prepared for: West Virginia Department of Environmental Protection Division of Air Quality 7012 MacCorkle Ave, SE Charleston, WV 25304-2943 Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 October 17,2003 1.

AR226-2818 The Embryo-Fetal Toxicity and Teratogenic Potential of Ammonium Perfluorooctanoate (APFO) in the Rat (Work Done for Hire) Robert E.

AR226-2S20 j E.