AR226-2099 Test Results Sample Date Range Concentration Range Action Level Industrial Hygiene 1/1/89 12/31/89 100% Sample Dt Sample# Duration Type Employee Name BTO : oa TEFLON LOG : 701 FINE POWDER DRYER-EAST SIDE#2 m m 8723 330 A 8/1-4/89 8737 360 A 8/15/89 8736 420 A 11/17/89 8743 330 A Pera Chemical C-8/FC-143 C-8/FC-143 C-8/FC-143 C-S/FC-143 Cone Unit Percent 0.21 MPB 0.98 MPB 1.84 MPB 3.63 MPB 37.5% 175.0%* 328.6%* 648.2% * BTO: 08 TEFLON LOG : 7D2 FINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF031 m m 105 330 A C-S/FC-143 8/14/89 190 360 A C-S/FC-143 11/17/89 256 340 A C-8/FC-143 <0.03 MPB <.03 MPB 0.52 MPB 5.4% 5.4% 92.9% BTO: 08 LOG: 703 TEFLON FINE POWDER PACKOUT ROOM 1/8/89 28 420 A 4/12/89 109 285 A 8/18/89 189 322 A C-S/FC-143 C-8/FC-143 C-8/FC-143 0.03 MPB 0 .0 3 MPB 0.42 MPB 5.4% 5.4% 75.0% BTO: 08 TEFLON LOG: 704 A/S - FINE POWDER C-8 WEIGH HOOD 1/8/89 27 420 A 4/7/89 104 290 A 8/18/89 191 321 A 12/5/89 273 377 A C-8/FC-143 C-S/FC-143 C-S/FC-143 C-S/FC-143 0.52 MPB 0 ,0 3 MPB 0.53 MPB 0.55 MPB 92.9% 5.4% 94.6% 98.2% BTO: 08 LOG: 705 TEFLON@ DISPERSION PACK OUT AREA 3/24/89 14882 435 P 3/27789 14881 435 P 6/20/89 150 360 A none C-8/FC-143 none C-8/FC-143 C-8/FC-143 <.03 MPB <03 MPB 0.22 MPB 54% 5.4% . 39.3% BTO: 08 TEFLON LOG: 706 FINE POWDER DRYER #3 1/31/89 45 300 ..........-- ~ . -- * ---- ,..........

AR226-2190 Debbie J Mulrooney ' 08/27/2001 02:32 PM !

AR226-2471 DtiPoftJ VifeshiirionWorks P.0. 3dx 121?

AR226-2580 D ivision o f W ater Resources 1201 Greenbrier Street C harleston, W V 25311-1088 T elephone Number: (30 4) 558-2107 Fax Number: (304) 558-5905 W est Virginia Department o f Enviromnental Protection Bob Wise "~A " -- -- Michael O Callaghan Governor Secretaiy MEMORANDUM OF UNDERSTANDING between the OHIO ENVIRONMENTAL PROTECTION AGENCY and the WEST VIRGINIA DEPARTMENT OF ENVIRONMENTAL PROTECTION, WEST VIRGINIA DEPARTMENT OF HEALTH AND HUMAN RESOURCES, and E.I. du PONT de NEMOURS COMPANY (DuPONT) The W est Virginia Department of Environmental Protection [WVDEP], the W est Virginia Department o f Health and Human Resources [WVDHHR], E.I. du Pont de Nemours Company [DuPont], and the Ohio Environmental Protection Agency [OEPA] [collectively referred to as the "parties"] hereby enter into the following M EM ORANDUM O F UNDERSTANDING [MOU] related to the enforcement o f certain terms and conditions o f Consent Order Number GWR-2001-019 entered into by and between WVDEP, WVDHHR, and DuPont W hereas mmnnium perfluorooctanoate [C8], an unregulated chemical, was found to be present in the drinking water supply o f citizens o f the state o f W est V irginia living in and around Letart and Dry Run Landfills, and the Washington Works chemical facility located in Washington, W est Virginia, which are facilities owned and operated by D uPont [the Facilities].

NOVEMBER 15,2004 EPA PRODUCTION VOLUME 28 BIODEGRADATION /DEGRADATION VOLUME I of II 1 ~0021453.txt h TELOMER PRODUCTS - SURFACTANTS ABSTRACTS c Thermal Degradation D.

AR226-3214 DuPont-8863 TRADE SECRET Study Title H-25134: Influence on Growth and Growth Rate of the Green Alga Selenastrum capricornutum Laboratory Project ID: DuPont-8863 A u t h o r : Terry Lee S lo m a n , B .S .

Kentucky.gov: - Waterproofing Safety M A.36 - 3 7 o z p-1 Page l of 1 Commonwealth ^ News Center Health and Family Services Cabinet DPH Urges Public to Be Careful With Waterproofing Products Press Release Date: Tuesday, January 31, 2006 Contact Information: Beth Crace,(502) 564-6786 Cold w eather can cause typical outdoor activities to be moved indoors.

3M 3M Corporate Toxicology and Regulatory Services 3M Center, Building 0220-06-E-03 St.

P-1 COMPANY SANITIZED - Does not contain TSCA Confidential Business Information (CBI) DAUUN AZza _ 3730 fi o>2 <> DAIKIN AMERICA, INC. 905 State Docks Road (35601) P.O.

TSCA Document Processing Center Attn: Section 8(e)/FYI P-1 August 10,2006 Page 5 of 10 Attachment 2 ^ 226. 37^ Tables and excerpts from the draft protocols that contain information related to C-8 blood levels.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244800 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/13/2006 Signature Name: Richard C.

26-Week Capsule Toxicity Study with Perfluorooctanesulfonic Acid Potassium Salt (PFOS) in Cynomolgus Monkeys Current Summary as of May 4, 2000 The purpose of this study was to identify the earliest clinically measurable biological response from repeated daily exposure to potassium perfluorooctane sulfonate (PFOS) and to correlate this response to serum concentrations for purposes of risk assessment and medical monitoring of exposed populations.

INTERIM REPORT #26 - Analysis of Groundwater Samples STUDY TITLE Analysis of Perfluorobutanesulfonate (PFBS), Perfluorohexanesulfonate (PFHS), and Perfluorooctanesulfonate (PFOS) 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 REQUIREMENTS 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.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244549 Prepared For: Weston Solutions, Inc. 1400 Weston Way Building 5-2 West Chester, PA 19380-1499 Project: Confidential Decatur - FC Investigation Attention: Jai Kesari Date: 03/09/2006 Signature Name: Richard C.

GRAIN SIZE DISTRIBUTION 100 95 90 85 80 75 70 . 65 60 m>- 55 O' 50 z 45 HI UCLJ 40 35 30 25 20 15 10 5 U S.