3M Specialy Miserils 3SStMhPCale,neMxN S144-1000 AR226--1215 RREFCTEICVERDI 3am Document Control Office Docket AR-226 37P120EP1A ECaosntstBiutiultdiionng,AvReo,oNm.W6.428 Washington, DC 20460 Phone: 202-564-8930 February 9,205 0sSrFeE8!

Telomer Research Program AR226-1940 Report Title: 8-2 Telomer B Alcohol: Developmental Toxicity Study in Rats Author(s): Susan M.

AR226-2018 . .'.

AR226-2032 SZAKATBK 11/17/97 02:47 PM To: cc: Subject: ESTILUO, 21PFEL PLAYTIS C-8 Roof Samples Per Joe's request, the following samples were taken 10/29 & 30 on the C-8 Recovery Building root top; Location #1 = Location #2 = Location #3 = West side of Roof Mid Roof East Side of Roof DATE LOCATION WXtTO DIR C-8/MBP 10/29 11 AM to 2 3;30 PM 1 " 3 W to E " " " 0.42 0.22 0.98 10/30 1 M/E to S/W 2.75 9i10 AM to 2 " " 0.33 3i00 PM 3 " " 0.09 The blank sample submitted for analysts with the six roof area samples measured -0.0001 iapb.

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AR226-2163 ^^i-?!

AR226-2257 ,y Steven H Swearingen 02/20/2002 09:43 AM To: Debbie J Mu I rooney/AE/DuPontSDuPont cc: Robert F Pinchot/DEV/AE/DuPont@DuPont.

AR226-2287 ^ Hobert L Ritchey ' 05/23/200211:24 AM To: cc: Subject M.

AR226-2358 DRAFT PHASE II MONITORING/SAMPLING WORK PLAN DUPONT WASHINGTON WORKS SITE WASHINGTON, WEST VIRGINIA Date: March 2004 Project No.: 507423 18983990.04006 18983992.04006 CORPORATE REMEDIAT10N GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 EXP000387 Draft Document Do Not Cite or Quote, March 30, 2004 Draft Phase II Monitoring/Sampling Work Plan____ _____ ______Table Of Contents TABLE OF CONTENTS 1.0 1 Introduction....................--...............................--...,........--................--..................... 2.0 Background Information............................................................................................ 3 3.0 Air Modeling Verification Study............................................................................... 5 3.1 Phase II Air Monitoring Activity...................................................................... 5 3.1.1 Air Sampling Events, Duration and Locations.................................... 5 3.1.2 Number of Samples ............................................................................. 5 3.1.3 Sampling Equipment, Methods and Schedule..................................... 6 3.1.4 3.1.5 3.1.6 3.1.7 3.1.8 Analytical Methods..............................................................................6 Meteorological Monitoring.................................................................. 7 Meteorological Data..........................--............................................... 7 Model Selection and Methodology...................................................... 8 Receptor Selection.........--................................................................... 8 3.2 Progress Reports and Results --.........................................................................8 4.0 Water Monitoring Activities...................................................................................... 9 4.1 Private Water Sources..........................;............................................................ 9 4.1.1 West Virginia: GIST Conclusions and Recommendations For 4.1.2 West Virginia Private Water Supply Sources...................................... 9 West Virginia: Private Water Supply Sources Activities.................. 10 4.1.3 Ohio: GIST Conclusions and Recommendations for Ohio Private Water Supply Sources........................................................... 11 4.1.4 Ohio: Private Water Supply Sources Activities................................. 12 4.2 Public Water Sources...................................................................................... 13 4.2.1 West Virginia: GIST Conclusions and Recommendations for 4.2.2 West Virginia Public Water Supply Sources..................................... 13 West Virginia Public Water Supply Sources Activities.................... 13 4.2.3 Ohio: GIST Conclusions and Recommendations for Ohio 4.2.4 4.2.5 Public Water Supply Sources............................................................ 14 Ohio Public Water Supply Sources Activities................................... 14 Ohio: OEPA Recommended Well Installation at Little Hocking Water Association Well Field............................................. 15 5.0 Surface Water and Groundwater Monitoring........................................................... 17 6.0 Surface Soil/Biota (Vegetation) Sampling............................................................... 18 7.0 Schedule and Reporting...................................................................--.---......--...... 20 8.0 21 References.......................................................................................................... 2004WorkPlan4.doc Wilmington, DE EXP000388 I Draft Document Do Not Cite or Quote, March 30, 2004 Draft Phase II Monitoring/Sampling Wori< Plan Table of Contents Table 1 Table 2 Table 3 TABLES, Summary Data for Proposed Sampling Locations In and Around DuPont Washington Works Site Summary of GIST Private Water Source Sampling Recommendations Summary of GIST Public Water Source Sampling Recommendations Figure 1 Figure 1.5 Figure 2 Figure 2A Figure 3 Figure 4 Figure 5 Figure 6 FIGURES Offsite Monitoring Locations Near the Washington Works Facility/Local Landfill in West Virginia and Ohio OVSTube Offsite Monitoring Locations Near the Dry Run Landfill in West Virginia Wind Rose - DuPont Washington Works Offsite Monitoring Locations Near the Letart Landfill in West Virginia Public Water Source Monitoring Locations in West Virginia and Ohio Proposed Locations of the Four Shallow Wells at the Little Hocking Well Field Washington Works MOU Schedule Appendix A APPENDICES Phase II Quality Assurance Project Plan, DuPont Washington Works Site, Washington, West Virginia 2004WorkPlan4.doc Wilmington, DE EXP000389 Draft Document Do Not Cite or Quote, March 30, 2004 Draft Phase II Monitoring/Sampling Wo* Plan ______ ________ Introduction 1.0 INTRODUCTION This Phase n Monitoring/Sampling Work Plan (Work Plan) is referenced as Appendix 5 in a Memorandum of Understanding (MOU) between the United States Environmental Protection Agency (USEPA) and E.

AR226-2746 -^ Copies to: E.

FOR DU POST USE ONLY AR226-2928 Approximate Lethal Concentration by Inhalation (ALC) of Haskell Laboratory Report No. 279-85 Haskell E.

FOR DU FONT USE ONLY AR226-2949 Du Pont HLO 379-90 Itl;loesf t Item) tiControl Item) Study Completed On i ; July 11, 1990 Contracting Laboratory 'Biosearch, Inc. ;3408-50 B Street Philadelphia.

AR226-3042 Study Title Skin Irritation Test with H-21987 in Rabbits Laooratory Project ID Haskell Laboratory Report No. 605-96 Carol Finlay Study Compleied On August 26,1996 Performing Laboratory E.

TRADE SRPPITT AR226-3095 Study Title 100-PERSON HUMAN REPEATED INSULT PATCH TEST WTIH H-23046 (CONTROL),H-23004 (TEST), AND H-23045 (TEST) LABORATORY PROJECT ID: HLO-1998-01285 DATA REQTOREMENTS; AUTHOR; STUDY COMPLETED ON: PEEFORMING LABORATORY: David Gabriel April 17,1998 ConTox Ltd.

AR226-3327 Surface Protection Solutions 6-May-2004 Company SanFtfzed.