Ohio EPA December 2,2003 ks o to CO o Ul AR226-2350 EXP01582Q O b jectives Provide grounding/update on recent activities Solicit input on upcoming activities 'H****** 8O1000 o <j\ EXP015821 Agenda Water - GIST Final Report Recommendations - Proposed MOU Based on GIST Recommendations - OEPA Requests - DuPont Suggested Modifications Air - Review Recent M odel Results g - Air Permit Update I - Additional Reduction Programs - Air Model Verification Plan EXP015822 Proposed Memorandum of Understanding-West Virginia DEP and Ohio EPA Summary of Activities December 2, 2003 m oxo cUol ASH028048 GIST Report Recommendations Summary Final GIST report issued August, 2003 Continued quarterly/annual monitoring of certain Ohio River public water systems Quarterly/annual monitoring of private water supplies (10 locations) in West Virginia and Ohio - West Virginia: Wash Works 0-2 mile radius and Dry Run Landfill/Letart Landfill 1-mile radius - Ohio: Wash Works 0-2 mile radius - List to include wells, springs, cisterns Conduct C8 monitoring at all DuPont Washington Works facilities according to applicable West Virginia Solid Waste/NPDES, NPDES, g and EPA HSWA (Corrective Action) permit requirements to GO o EXP015824 Proposed MOU -Administrative Details Parties: - West Virginia Department of Environmental Protection - West Virginia Department of Health and Human Resources - Ohio Environmental Protection Agency - E.I. du Pont de Nemours & Company i Objectives: - Continued monitoring and reporting of C8 concentrations in groundwater and surface water - Implement recommendations of the GIST concerning continued sampling and monitoring in WV & Ohio ("in and around the g facilities") g00 - Begin first quarter 2004 o w o E X P 0 1 5825 Proposed MOU -Public Water Syste II Sampling WV Public Water Systems: - Quarterly sampling 1Q2004-4Q2005 at Lubeck PSD, DuPont WW, and GE production wells and finished water (if applicable) - Annual sampling 2004-2005 at Blennerhassett Island State Park, Mason Cty.

AR226-2595 [Andrew S H a r d e n __________ _______ 08/23/2002 02:40 PM j To: M.

# > {{ Katherine E.

TSCA Section 8(e) Office , Vfl Attachment 2 DuPont First Chemical Blood Monitoring EIB Provided to Mississippi DEQ (2 pages) p.1 October 23,2006 Page 6 P-2 DuPont First Chemical Blood Monitoring EIB As part of an ongoing industrial hygiene program, DuPont First Chemical has been monitoring PFOA levels in blood samples taken from employee volunteers.

P-1 TSCADocument Processing Center Attn: Section 8(eVFYI yf fL 7 - 7 i- 3 7 3 S Attachment 2 p- 2 July 28,2006 Page 5 of 5 Axys Analytical Services Laboratory - Form 1A and Form 2 (2 pages) P-2 P-3 s r.......... 7 ' "r *'*.".* *'"' ______;______

2008-Aug-21 01J:tt0tJi3i D. oPnMvuntiG3yM 6517331773 w*" - ..............................

TSCA SANITIZED A22&3B3/ M B Research Laboratories , VOLUME I P.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 244884 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: 03/20/2006 Signature Name: Richard C.

30 June 2003 To: Mary F.

3M Specialty Materials 3M Center St.

SEVERN TRENT LABORATORIES ANALYTICAL REPORT JOB NUMBER: 245986 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: 05/05/2006 Signature Name: Richard C.

Attachments to Letter to C.

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

Corporate Health Physics Corporate Industrial Hygiene & Ergonomics Corporate Occupational Medicine Corporate Toxicology 3M Medical Department 3M Center, Building 220-2E-02 PO Box 33220 ' St.

Larry R.