AR226-2282 pTTP""- j~T'" ,4^ Debbfe J Mulrooney 1..^ " 05/03/2002 03:23 PM s To: cc: Subject: DilROBERTS@mail.dep.state.wv.us Bernard J ReilIy/AE/DuPont@DuPont Robert F PinchoVDEV/AE/DuPont@DuPont Little Hocking Receptor Grid Dave, In our meeting in Charleston last week you asked if I could provide to you the receptor grid that I used for modeling deposition in the Little Hocking watershed (as shown in Figure 3 in our draft report).

AR226-2319 y Charles J Zarzecki 04/02/2003 03:14 PM To: cc: Subject: Catherine A Barton/AE/DuPont Beychok Article Cathie, I finally was able to review the Beychok article on error propagation in dispersion modeling.

\ ^ A^T r t/t AR226-2413 ..aernm OT;" 302 B9S 4B2e Fax ^nsmittal Memo i> CCBW cttA-wy111- laate* A ^ -ba- - - -- ^ CiXllAW^I Ufil -^ ^^1^^ ^ ^2^5 DU FONT POLYMERS 001 7(72 "'^ f<M ^^{f^'^^^ (3.

AR226-2568 DraftW8/oi Privileged and Ccinlldenliat AttorneyWolk Product PtVpared h Anticipation ef Litigation WVDEP/DuPont Meeting June 13,2001 For DuPont: Andrew Hartten (CRG) Bob Ritchey (Wash.

AR226-2573 COMPILATION OF HISTORICAL C-8 DATA DUPONT WASHINGTON WORKS MAIN PLANT AND LANDFILLS Date; January 2002 Project No: D6WW7423 h ^ CORPORATE REMEOIAT10N GROUP An Alliance between DuPOnt and URS Diamond Bailey MM SHOta, Building 27 Wilmingtwi, Dtttwait 196G5 JS0015042 EID620777 TABLE OF CONTENTS 1.0 Introduction............,....,.......................,...............--.......................................... 1-1 1.1 Document Organization.......................................................................... 1-1 1.2 C-8 Historical Laboratory Analysis........................................................... 1-1 1.3 Physicochemical Data for Animonium Perfluorooctanoate (C-8)................ 1-2 1.4 References................................................................................................. 1-2 2,0 Washington Worta Main Plant ...........................,...........................................,.,.....2-1 2.1 Introduction..,..,.....,............................-..--......,..........................................2-2 2.2 Environmental Setting...,....................................,...,.,.,.,....,,...........,...............2-3 2.2.1 Geology............,..,.,.,.,...................................,..,,..,............................2-3 2.2.2 Hydrology, Hydrogeology and Groundwater Flow..........,..,............2-3 2.3 Water Quality ..................................,..............................................................2-6 2.3.1 Surface Water Quality .....,..,.,.,................................................,,.......2-6 2.3.2 Groundwater Quality .......,,..,.........,.............................................,..,,2-6 2.3.3 Drinldng/Tap Water Quality .................,.,...,..,.,-.,....,.......................2-7 2.4 Site Conceptual Model ..,................................................................................2-7 2.5 DataGaps........-,.,...,....,...........................................,..-,...........,..................2-8 2.6 References..................................................--..................,..,...-,,,....,...............2-8 3.0 Local ]LandfiU....................................-.....,,,...,...........................:.................,..........3-l 3.1 Introduction ,......,...........................................-,......,........................................3-2 3.2 Eilvir&mnentalSetting.......,..,............,.................................,..........................3-2 3.2.1 3.2.2 Geology.................,,....................................,...,.,....,......,,......,........,..3-2 Hydrology, Hydrogeology and Groundwater Flow..........................3-3 3.3 Water Qualiy....,.................................................,..,.,.......,.............................3-4 3.3.1 Surface Water Quality ......................................................................3-4 3.3.2 Groundwater Quality .....................................,......,....,......,...............3-4 3.4 Site Conceptual Model...................,..,...,,..,....................................................3-5 3.5 DataGaps..........................................,........,.................................................-.3-6 3.6 References ....,..,..........,...,........1......................,..,.,.,,..,..........,.........................3-6 4.0 Letart Landfill........................... ,.................,......,.....................................,.............,4-1 4.1 Introduction ......-...............-..............,,.......,,.........................;..................,,,,,,,, 4-2 4.2 Environmental Settmg.........................................,..,......................................,4-2 4.2.1 Geology.........................................,,..................................................4-2 4.2.2 Hydrology, Hydrogeology and Grovndwater Flow..........................4-3 4.3 Water Quality ...,.........................................,...................................................4-4 4.3.1 Surface Water Quality ..............................,..........,............................4-4 4.3.2 Groundwater Quality.......................................,.,..............,...............4-5 4.4 Site Conceptual Model........................ ,..........................................................4-6 4.5 DataGaps.....,-................-.........-...,,,..................................-.....................,.4-7 4.6 References.............................;.......,.....,.,.................................................,......4-8 JS0015043 EID620778 Main Plant and Landfills Table of Contents 5.0 Dry Run Landfill .......................................................................................... ..5-1 5.1 Introduction........-....,...........--................................,...,............."......--....-- ..5-2 5.2 Environmental Setting........................................................,,,,..,,,,,,,,.,,........ ..5-2 5.2.1 5-2.2 Geology.......................................................................................... ..5-2 Hydrology, Hydrogeology and Groundwater Flow,.,....,....,,......... ..5,3 5.3 Water Quality................................................................................ ..5-4 5.3.1 Surface Water Quality ............................................................. ..5-4 5.3.2 Groundwater Quality ................................................................ ..5-4 5.4 Site Conceptual Model................................................................................ ..5-5 5.5 Data Gaps.................................................................................................. ,.5-6 5.6 References.......... ...........................,,...,,...,,.,,...--........................................ ,.5*6 TABLES Table 2.0 Table 2.1 A Table 2.1 B Table 2.1 C Table 3.0 Table 3.1A Table 3,1 B Table 4.0 Table 4.1 A Table 4.1 B Table 5.0 Table 5.1 A Table 5.1B Washington Works Main Plant Monitoring Wells Construction Data Washington Works Main Plant Analytical Data Table - Surface Water Washington Works Main Plant Analytical Data Table - Groundwater Washington Works Main Plant Analytical Data Table - Drinking Water Local Landfill Monitoring Wells Construction Data Local Landfill Analytical Data Tables - Surface Water Local Landfill Analytical Data Tables - Groundwater Letart Landfill Monitoring Wells Construction Data Letart LaodFdl Analytical Data Tables - Surface Water Letart Landfill Analytical Data Tables - Groundwater Dry Run Landfill Monitoring Wells Construction Data Dry Run Landfill Analytical Data Tables - Surface Water Dry Run Landfill Analytical Data Tables - Groundwater Figure 1.0 Figure 2.0 Figure 2.1 Figure 2.2 Figure 2.3 Figure 2.4A Figure 2.4B Figure 2.4C Figure 2.4D FIGURES Solubilities of CyF^ COOM in Water as a Function of Temperature Washington Works Main Plant Location and SWMU Map Washington Works Main Plant and Local Landfill 1-mile Radius Map Washington Works Main Plant Monitoring Well and Surface Water Sample Location Map Washington Works Main Plant Cross Section Location Map Washington Works Main Plant Cross Section A-A' Washington Works Main Plant Cross Section B-B' Washington Works Main Plant Cross Section C-C' Washington Works Main Plant Cross Section D-D' Compilation of hittBiy dale Draft 2rev.doc Mar. 11,02 Wilmtngton.

AR226-2674 64 AR226-2674 PROJECT LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 SRCNAME FBLK-2 FBLK1 FBLK1 FBLK1 FBLK1 FBLK1 FBLK1 FBLK2 FBLK2 FBLK2 LHPSD1 LHPSD2 LHPSD3 LHPSD5 LHPSDTW1 LHPSDTW10 LHPSDTW11 LHPSDTW12 LHPSDTW2 LHPSDTW3 LHPSDTW4 LHPSDTW5 LHPSDTW6 LHPSDTW6 LHPSDTW9 LHWAE1 LHWAFBLK LHWAFBLK1 LHWAFBLK3 LHWAFBLK4 LHWAN1 LHWANE1 LHWANE1 LHWANE2 LHWANW1 LHWANW1 C8 results Envista 111104.xls wwo THEME Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Blank Water Drinking Water Drinking Water Drinking Water Drinking Water Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Blank Water Blank Water Blank Water Blank Water Groundwater Groundwater Groundwater Groundwater Soil Soil I3ATESMPL SMPLT 8/23/2002 FB 8/20/2002 FB 8/21/2002 FB 8/22/2002 FB 8/26/2002 FB 8/28/2002 FB 8/30/2002 FB 8/21/2002 FB 8/27/2002 FB 8/29/2002 FB 8/21/2002 FS 8/21/2002 FS 8/21/2002 FS 8/21/2002 FS 8/22/2002 FS 8/22/2002 FS 8/21/2002 FS 8/21/2002 FS 8/22/2002 FS 8/22/2002 FS 8/23/2002 FS 8/23/2002 FS 8/22/2002 DUP 8/22/2002 FS 8/22/2002 FS 8/30/2002 FS 8/23/2002 FB 8/26/2002 FB 8/28/2002 FB 8/29/2002 FB 8/29/2002 FS 8/20/2002 FS 8/22/2002 FS 8/30/2002 FS 8/29/2002 FS 8/29/2002 FS SAMPLEJMUMBER WWO-K-FBLK-2 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK1 WWO-K-FBLK2 WWO-K-FBLK2 WWO-K-FBLK2 WWO-D-LHPSD1 WWO-D-LHPSD2 WWO-D-LHPSD3 WWO-D-LHPSD5 WWO-G-LHPSD-TW1 WWO-G-LHPSD-TW 10 WWO-G-LHPSDTW11 WWO-G-LHPSDTW12 WWO-G-LHPSD-TW2 WWO-G-LHPSD-TW3 WWO-G-LHPSD-TW4 WWO-G-LHPSD-TW5 WWO-G-LHPSD-TW6-2 WWO-G-LHPSD-TW6 WWO-G-LHPSD-TW9 WWO-G-LHWAE1 (21-26) WWO-K-LHWAFBLK WWO-K-LHWAFBLK1 WWO-K-LHWAFBLK3 WWO-K-LHWAFBLK4 WWO-G-LHWAN1 (17-22) WWO-G-LHWANE1 (21'-27') WWO-G-LHWANE1 (56--58-) WWO-G-LHWANE2 (20.7-25.7) WWO-S-LHWANW 1(0.1 -0.5) WWO-S-LHWANW1 (5.0-5.5) FOP BOTT 21 17 21 56 20.7 0.1 5 Page 1 1^VWO QUALJIMHOUSE REVIEW METHODNO PREPMTHD 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 4500-CN D 4500-CN D 4500-CN D None 8321 A 8321A 8321A 4500-CN D 8321A 01M-008-046 None 01M-008-046 None 01M-008-046 None 01M-008-046 None 4500-CN D 8321 4500-CN D 8321 PREPREP NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS NS DRY 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 LABNUMBER L33596-12 L33585-2 L33585-9 L33596-8 L33605-3 L33615-4 L33619-4 L33585-3 L33605-5 L33615-6 L33585-4 L33585-5 L33585-6 L33585-7 L33596-3 L33596-1 L33585-10 L33585-8 L33596-2 L33596-5 L33596-11 L33596-10 L33596-7 L33596-6 L33596-4 L33619-3 FHC8H-1 FHC9F-1 FHC9G-1 FHC9L-1 L33619-1 L33585-1 L33596-9 L33619-2 FHK64-1 FHK65-1 RSLTMOD < < < < < < < < < < < < < < RESULT 3650 4260 952 8090 810 1100 1730 824 80.6 4170 12300 6260 1230 1150 812 416 0.020 0.020 0.020 0.020 50800 5580 662 1280 110 6.1 UNIT NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L NG/L UG/L UG/L UG/L UG/L NG/L NG/L NG/L NG/L UG/KG UG/KG MDL PQL 50 50 50 50 50 50 50 50 50 50 500 500 100 500 500 500 500 50 50 500 5000 500 500 500 500 50 0.020 0.050 0.020 0.050 0.020 0.050 0.020 0.050 5000 500 50 500 0.79 11 0.17 2.4 DUPNO 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 C8 results Envista 111104.xls Page 2 PROJECT LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 LH DELINEATION 8/02 MOU SAMPLING 2Q04 WWO MOD SAMPLING 2Q04 WWO MOU SAMPLING 2Q04 WWO SRCNAME LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWANW1 LHWAS1 LHWAS2 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWASW1 LHWAW1 LHWAW2 EDDYEE FBLK-4 FBLK3 C8 results Envista 111104-xls wwo THEME DATESMPL SMPLT Soil 8/29/2002 FS Soil 8/29/2002 FS Soil 8/29/2002 FS Soil 8/29/2002 FS Groundwater 8/29/2002 FS Soil 8/29/2002 FS Groundwater 8/29/2002 DUP Groundwater 8/29/2002 FS Groundwater 8/28/2002 FS Groundwater 8/27/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Soil 8/23/2002 FS Groundwater 8/23/2002 FS Soil 8/26/2002 FS Soil 8/26/2002 FS Groundwater 8/26/2002 FS Soil 8/26/2002 FS Groundwater 8/26/2002 FS Soil 8/26/2002 FS Groundwater 8/28/2002 FS Soil 8/28/2002 DUP Soil 8/28/2002 FS Groundwater 8/28/2002 FS Soil 8/28/2002 FS Groundwater 8/28/2002 FS Groundwater 8/29/2002 FS Groundwater 8/29/2002 FS Drinking Water 6/30/2004 FS Blank Water 6/30/2004 FB Blank Water 6/29/2004 FB SAMPLE_NUMBER WWO-S-LHWANW1 (10.0-10.5) WWO-S-LHWANW 1(15.0-15.5) WWO-S-LHWANW1 (20.0-20.5) WWO-S-LHWANW1 (21.0-21.5) WWO-G-LHWANW1 (19-25) WWO-S-LHWANW1 (25.0-25.5) WWO-G-LHWANW1 (24-29)-2 WWO-G-LHWANW1 (24-29) WWO-G-LHWAS1 (25-30) WWO-G-LHWAS2 (25-30) WWO-S-LHWASW1 (0.3-0.9) WWO-S-LHWASW1 (5.0-5.6) WWO-S-LHWASW1 (11.2-11.7) WWO-S-LHWASW1 (15.5-16.0) WWO-S-LHWASW1 (22.1 -22.6) WWO-S-LHWASW1 (26.5-27.0) WWO-S-LHWASW1 (30.0-30.5) WWO-S-LHWASW1 (30.5-31.0) WWO-G-LHWASW1 (28.5-33) WWO-S-LHWASW1 (37.0-37.5) WWO-S-LHWASW1 (37.5-38.0) WWO-G-LHWASW1 (35-40) WWO-S-LHWASW1 (44.3-44.5) WWO-G-LHWASW1 (40-45) WWO-S-LHWASW1 (47.5-48.0) WWO-G-LHWASW1 (45-50) WWO-S-LHWASW1(53.5-54.0)-2 WWO-S-LHWASW1 (53.5-54.0) WWO-G-LHWASW1 (50-55) WWO-S-LHWASW1 (55.5-56.0) WWO-G-LHWASW1 (55-60) WWO-G-LHWAW1 (29-34) WWO-G-LHWAW2 (33-38) WWO-D-EDDYEE WWK-K-FBLK-4 WWK-K-FBLK3 TOP BOTTO 10 1 15 1 20 2 21 2 19 25 2 24 24 25 25 0.3 5 11.2 1 15.5 22.1 2 26.5 30 3 30.5 28.5 37 3 37.5 35 44.3 4 40 47.5 45 53.5 53.5 50 55.5 55 29 33 0 0 0 Page3 a^^&stZis^^^fi^x^^'s'MS^^iii&^'&s^^^sai^^^^^s-^aia;!

: ARR26. 2724 PATTONBOGES.

AR226-2798 DuPont BLR 61-94 Study Title STATIC, ACUTE, -o-HOUR LC50 OF H-19704 TO BLUEGILL SUKFISH, Lepoils acrochirus Laboratory Project ID "askell Laboratory Report He. 61-94 Data Requirement United States Environmental Protection Agency 40 CFP 797.1400 Fish Acuf Toxicity Test Toxic Substances Control Act Author Keith E.

REVISED Material Tested E.

TRADE SECRET AR226-3077 Study Title H-22762: EYE IRRITATION TEST IN RABBITS LABORATORY PROJECT ID: HL-1997-00735 AUTHOR: Carol Fmlay, B.A.

AR226-3092 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE H-22762: STATIC, ACUTE 48-HOUR SCREENING TEST TO Daphnia magna PURPOSE: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

AR226-3135 TRADE SECRET Study Title H-24256: Local Lymph Node Assay (LLNA) Laboratory Project ID: DuPont-3548 AUTHOR: Gregory S.

AR 226 3228 410 AL226_ 3228 FINAL REPORT [-------- 'MICROSOME JsuvvoneLr-sscuericrs COLIIMAMMALIANMUTATION ASSAY WITH A CONFIRMATORY ASSAY COVANCE STUDY 22900-0-4090ECD STUDY SCHEDULE: Study Initiation Date: Initial Dose Date: Study Termination Date: Final Report Date: 23 October 2001 29 October 2001 10 December 2001 11 February 2002 - StudyDirector:(--) STUDY DIRECTOR, SPONSOR, AND TESTING FACILITY i Testing Facility: "ovance Laboratories, Inc.

HASKELL LABORATORY AR226-3382 Common Name: Telomer B Citrate Urethane (TBCU) Chemical Name: Poly(difluoromethylene), alpha-fluoro-omega-(2-hydroxyethyl)-, ester with 2,15-bis(carboxymethyl)-4,13-dioxo-3,14-dioxa-5,12-diazahexadecane1,2,15,16-tetracarboxylic acid CAS Registry No.: 65530-58-7 Chemical Structure: Physical Properties: o II Rf--CH^--CH^--O-C o CH.2, o II I II Rf-CH^--CH^--O-C-C-O-C-MH-CCH^2)73 "2 R.

CorporateHealth Physics CorporateOccupationalMedicine CorporateProduct Responsibffity Corporate Toxicology 3M Medical Department 3M Center,220-2E-02 PO Box 33220 St.Paul,MN 55133-3220 651733 1110 IdentificatioonfFluorochemicals in Sera of Children inthe United States The objectiveofthisstudy isto determineina sample of childrentheirseralevelsof perfluorooctanesulfona(tPeFOS), perfluorooctanoat(ePFOA), perfluorohexanesulfonate, N-ethylperfluorooctanesulfonamidoaceta(tJe?