January 2005 Supplemental Noticeof Contamination Page 1 0f3 AR2%-1937 January 2005 Supplemental Notice of Contamination Little Hocking's November 2004 Sampling Results In June, 2004, the Little Hocking Water Association ("Little Hocking") sent out a Notice. reminding our members that drinking or otherwise using water contaminated with C8 may pose health risks.

PTFE recycling quantity Extraction of annual PTFE recycling quantities since 2007: IDT | Gewerbering 6 | D-09456 Annaberg-Buchholz PTFE recycling quantity | D-00 | 28.06.2023

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AR226-2171 ^'y Debbie J Mulrooney 08/02/2001 10:52 AM To: cc: Subject: carrington@mail.dep.state.wv.us Chris E Shoop/AE/DuPont@DuPont, Robert L Ritchey/CL/DuPontQDuPont, Robert F Pinchol/DEV/AE/DuPont@DuPont, Kart G Kronberg/AE/DuPont@DuPont, Andrea V Malinowski/AE/DuPont@DuPont Building Pile Chris, Here is a preliminary building file.

AR226-2273 \ f^ ') ', ..

AR226-2275 Robert FPinchot 04/23/2002 08:14 AM To: cc: Subject: George H Senl<ler_Jr/AE/DuPont@DiiPont Final Modeling Report George, Here is the modeling report.

AR226-2330 DISPERSION MODELING PROTOCOL Plant-wide C8 Emissions DuPont Chambers Works Facility Deepwater, New Jersey Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wihmngton, DE 19898 April 9,2003 EID747779 DuPont Chambers Works Air Quality Modeling Protocol The following sections describe the dispersion modeling methodology to be employed in order to assess the locations of maximum ambient air concentrations resulting from C8 emissions at the DuPont Chambers Works facility located in Deepwater, New Jersey. 1.

AR226-2343 ATTACHMENT 1 YEAR 2002 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia Prepared by: DuPont Engineering Technology (DuET) Environmental Section WUmmgton,DE 19898 October 17,2003 ASH027176 EXP015741 Year 2002 Air Dispersion Modeling Analysis October 17,2003 Page 2 1.

GIST meeting notes August 12,2002 AR226-2597 Minutes from the GIST meeting November 13, 2002 The meeting began at approximately 9:00 am. in the Division of Water Resources' conference room at 1201 Greenbrier St., Charleston, WV.

3M SpecWty Materials 3M Center St.Paul.MN 55144- 1000 651733 1100 May "30,2000 Dr.CharlesAuer Director Chemical ControlDivision officeofPollutioPnreventionand Toxics United StatesEnvironmentalProtectioAngency 401 M StreetS,outhwest Room 403 EastTower (MailCode 7405) Washington,D.C. 20460 Re: Informationof PerfluorooctanSeulfonates And RelatedCompounds - UEIP Forms Dear Charlie: 3M isenclosingthecompleted"Use and Exposure InformationProfileso"r "LTEIPS" for compounds relatedtoperfluorooctanseulfonatesA.s explainedinmy coverlettetro theMay 18th submittalto EPA, we neededadditionatlimeto clarifiyndustriahlygieneand otherrelease informationto ensurethatthedataintheproflleissaccurateand placedinappropriatecontext.

P. 1 ~R~~6_ ~6Jt0 UNITE D NATIONS Economic and Social Council ECONOMIC COMMISSION FOR EUROP E EXECUTIVE BODY FOR THE CONVENTION ON LONG-RANGE TRANSBOUNDARY AIR POLLUTION Working Group on S trategies and Review (Thirty-seventh session, Geneva, 26-30 September 2005) Item 3 of the provisional agenda Distr.

P. 1 INTERIM REPORT # 23 - Aua . b of Spdimet Samnlaa STUDY TITLE Analysis of Parfluorotautanesulfonate (PFBS), Perfluorohexariesuifonate (PFHS), and Pexfluorooctanesulfonate (PFOS) in Water, Soil.

INTERIM REPORT #26 - Analvsis of Groundwater Samples STUDY TITLE Analysis of PerfluorooctanoicAcid (PFOA) in Water, Soil, Sediment, Fish, Clams, Vegetation, Small Mammal Liver and Small Mammal Serum Using LC/MS/MS for the 3M Decatur Monitoring Program DATA REOUIREMENTS EPA TSCA Good Laboratory Practice Standards 40 CFR 792 STUDY DIRECTOR Jaisimha Kesari P.E., DEE Weston Solutions, Inc. 1400 Weston Way West Chester, PA 19380 Phone: 610-701-3761 INTERIM REPORT COMPLETION DATE January 9,2007 PERFORMING LABORATORY Exygen Research 3058 Research Drive State College, PA 16801 Phone: 814-272-1039 STUDY SPONSOR 3M Company 3M Building 0236-01-B-10 St.

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