3M General Offices f\ ti U L 1 'f - R?

PFOS: A DIETARY LC50 STUDY WITH THE NORTHERN BOBWHITE WILDLIFE INTERNATIONAL LTD.

IZ jjL b - Y S Laboratory R eport-R evision 1 Analytical Report of Data for PFOS Dietary LC50 Study in Northern Bobwhite (Sera and Liver) Laboratory Report No.

AR226-2057 C-B PERSONAL AIR MQNXT0RIN8 SATA WASHINGTON WORKS - SPD COPOLYMERS AREA 11988) (AEL ZB 0.96 PPB) JOB NAHE/PER8 CODE NO.

AR226-2342 DuPont Fiuoroproducts DuPont Fiuoroproducts Chestnut Run Plaza P.O.Box 80711 Wilmington, DE 19880-0711 October 20,2003 Document Control Office (DCO) Office o f Pollution Prevention and Toxics (OPPT) US Environmental Protection Agency EPA East, Room 6428 1201 Constitution Avenue, NW Washington, DC 20460 - VIA OVERNIGHTMAIL Attention: Docket No.

AR226-2352 EXP000228 MONITORING PROPOSAL FOR FLUOROPOLYMER m a n u f a c t u r in g SITES PRFELSUEONTRAOTPIOOLNYTMOETRHE TECHNICAL WORKGROUP January 15,2004 *i' EXP000229 AGENDA Introduction Proposal on Monitoring Site Specific Monitoring Plans Deca3tMur,aAndLDyneon Parkersburg, WV Summary Recommendation for Path Forward Daikin Monitoring Plan s INTRODUCTION Industry Commitment to Site Monitoring Importance of Addressing Data Needs Suggestion of a Tiered or Phased Approach EXP000230 INTRODUCTION (continued) Value of a Tiered or Phased Approach Science-based (first phases inform later phases) More effective More timely Contextual Data Collection Incorporates All Monitoring Commitments Program to have Transparency Data Review, Informed Decision Making, Technical Expert Collaboration EXP000231 PROPOSAL ON MONITORING Tiered or Phased Approach Focus on Two Locations, Two Sites Decatur, AL 3M & Dyneon Parkersburg, WV DuPont PhaPsheassoefIthe- CLomOpI rCeohmenmsiivtme Menotsn,itHorisintogriPcr/Oognrgaoming Monitoring Activities Phase II - Additional Monitoring Proposal (Dec. 2003) Consideration of Peer Consultation for Assessment o f Data to Inform Decisions for Phase III Monitoring Plans Phase III - Additional Monitoring EXP000232 SITE SPECIFIC MONITORING PLANS Decatur, AL - 3M & Dyneon Parkersburg, WV - DuPont DECASTIUTRE,DAELS-C3RMIP&TIDOYNNEON 900 Acre Site in a Rural Area A Number of Industrial Complexes in the Vicinity River Width in Vicinity ~ 3-4 miles Distance to the City of D ecatur-4 miles Groundwater Flow well Characterized in Northern part of site No private Wells within At least 1.5 Miles of the Site On-Site Wildlife Habitat Area on 3M Property -- FMoarnmaegreSdlAudrgeae wInicthorLpiomraittieodnPAurbelaic Access EXP000234 Figure ADecSaMtuurrrDoAuynnlaedboiannmg Aa rea Ma UTM North km a -ooor0oo5 in UTM East km EImdgaegemcaorukritnegssy sohfoUwSnGinS Universal Transverse Mercator Coordinates Zone Daikin Property Line ^ Property Boundry Source locations DESCRDIPETCIOANTUORF, ASLLU-D3GME&INDCYONREPOONRATION Permitted Activity Full Historical Documentation - Number of Fields - Quantity of Solids Deposited Discontinued in 1998 FAireeladswCitohnLveimrtietdedtoPaubMliacnAagccedesWs ildlife Habitat (Part of Area now owned by Daikin) EXP000236 FigureDAecMatuAreDrAyianllaebPoanhmotaograph UIM North km UTM East km IEmdaggeemcaorukritnegssysohfoUwSnGinS Universal Transverse Mercator Coordinates Zone A.

AR226-2363 )i Detecting and Quantifying Low Levels of Fluoropolymer Polymerization Aids - A Guidance Document t Fluoropolym er M anufacturers G roup (FM G ) - T echnical W orking G roup (TW G ) - A n alytical W orking G roup (AW G ) T he Society o f the P lastics Industry, Inc. 1801 K Street, NW , Suite 600K W ashington, DC 20006-1301 S EXP000571 T h is p a g e le ft in te n tio n a lly b lan k .

nAMrrufFr 'HiManamm AR226-2490 f",iw0.frctawssM, MWSi02.tr.?

AR226-2536 ATTACHMENT 1 VERIFICATION INVESTIGATION WORK PLAN E.

AR226-2583 Document 12 of 25 ASH018251 EID521411 I J J C-8 PLUME IDENTIFICATION/GROUNDWATER ASSESSMENT WORK PLAN DUPONT WASHINGTON WORKS FACILITY AND LOCAL, LETART AND DRY RUN LANDFILLS ) Date* May 2002 Project No.; D6WW7423 A CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 a ASH018Z52 EID521412 C-8 Plume Identlfigation/Groundwaier Assessment Work Plan Introduction TABLE OF CONTENTS 1.0 Introduction..................................................... ............,,................................................2 1.1 Document Organization................................................ ................ ..................... 3 2.0 Washington Works Facility................ ........................................................................ 4 2.1 Key Findings................. ............................................... ................ ..................... 4 2.2 Data Gaps................................................................................ ............ ............. 5 2.3 Summary--Recommended Activities to Fill Data Gaps................................... 5 2.4 Detailed Justification..... ....................................... ............................................. 3.0 Local Landfill.... .................................................................................... ....................... g 3.1 Key Findings..................................................................................................... 3.2 Summary-- Recommended Activities to Fill Local Landfill Data Gaps.......... 9 3.3 Detailed Justification........................... ................................................... ..........jq 4.0 Letart Landfill............................................................................................................... 4.1 Key Findings--Letart Landfill....................... .................... .................. ..........12 4.2 Data Gaps for the Letart Landfill...................................................................... 13 4.3 Summary--Recommended Activities to Fill Letart Landfill Data Gaps...... ..13 4.4 Detailed Justification ..................................................................................14 5.0 Dry Run Landfill............................................................................................. ........ 16 5.1 Key Findings--Dry Run Landfill......................................................... ........ 16 5.2 Summary--Data Gaps for the Dry Run Landfill............. ................. .........17 5.3 Summary-- Recommended Activities to Fill Dry Run Landfill Data G aps.............................. .................................................................... ........17 5.4 Detailed Justification............................... ............................................. ........17 6.0 Path Forward............................... ......................................... ........................ ....... 20 7.0 References............. ........................................ .. ....... 21 Figure 1 Figure 2 Figure 3 Figure 4 FIGURES Proposed Well Locations for the Washington Works Facility Proposed Well Locations for the Local T.anrfffn Proposed Well Locations for the Letart T^nrtfiit Proposed Well Locations for the Dry Run Tjwrifin APPENDIX Appendix A Sampling and Analysis Plan O-B Plume W ork PlanZrioc May. 20,02 W ilmington.

AR226-2593 Mark Houlday 08/16/2002 12:44:54 PM To: Isdoras J Zanikos/AE/DuPont@DuPont cc: Andrew S Hartten/AE/DuPont@DuPont Subject: Washington Works Talking Points Izzy here are some topics that you may wish to discuss: GIST Meeting - went well.

AR226-2691 13 AR226-2691 DuPont EMSE Report No. 15-03 Study Title Accelerated Biodegradation of 8-2 Telomer B Alcohol- A preliminary Screening Study j I Test Guideline This study uses the concept o f OECD Guideline for Testing o f Chepiicals; Section 3: Inherent Biodegradability (1992).

r <77 19 U U 6 -J t6 9 7 DuPont-13202 TRADE SECRET Study Title [ ]: Hydrolytic Stability o f [ ] as a Function o f pH Test Guidelines: OECD Guideline 111 Author: Bogdan Szostek, Ph.D.

AR226-2863 Copies to t vE ' I* du Pont de Nemours and Company Haskell laboratory for Toxicology and Industrial Medicine Material Submitted by Organic Chemicals Dept., ACUTE ORAL TEST J S S T B E l* ____________ _____________ __________ lS i?

V- P' S tudy Completed On May 20, 1991 I 1, Performing laboratory Haskell E.