NORTHERN KENTUCKY OFFICE SUITE 340 1717 01X16 HIGHWAY COVINGTON.

f\R &SL6 _ I 5 S T TWO-MILE RADIUS SURVEY AND C-8 SAMPLING REPORT WASHINGTON COUNTY, OHIO (JUNE - SEPTEMBER 2002) Date: December 2002 lte> A CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 Project No.: D6WW7455 18983637 ( N Tpm 0 ^ 5 30 0_3_ --m a o roo 000206 WVDEP 17198 Two-Mile Radius Survey and C-8 Sampling Report Table of Contents TABLE OF CONTENTS 1.0 Introduction................................................................................ 1 2.0 C-8 Analysesand Analytical Reporting.......................................................................3 3.0 Two-Mile Radius Survey Summaryof Results............................................ 5 4.0 References....................................................................................................................6 Table 1 Table 2 Figure 1 Figure 2 Figure 3 TABLES Summary of Off-site Sampling Program (C-8 Sampling), Ohio Two-Mile Radius C-8 Residential Sampling Summary of C-8 Results Zones A, B, and C, Ohio Two-Mile Radius C-8 Sampling Program FIGURES Two-Mile Radius Survey Area, Washington County Ohio Two-Mile Radius - Detailed C-8 Results, Washington County, Ohio One- and Two-Mile Radius - Summary C-8 Results, Washington County, Ohio APPENDICES Appendix A Two-mile Radius Well Survey Results--Washington County, Ohio OH-2 report.doc Dec. 9, 02 Wilmington, DE 000207 I Two-Mile Radius Survey and C-8 Sampling Report Introduction 1.0 INTRODUCTION A multi-media consent order (Order No.

1998 DEER REPRODUCTION A # .z a 6 - i JAW TAG IDENTIFICATION NUMBER ^ " NAME OF DATA COLLECTOR M ___________ DATE OF COLLECTION Q i COUNTY OF COLLECTION l/JpO ^- Month/Day/Year / CAUSE OF DEATH: Road Kill___Crop Damage \/_ Other (specify)____________________ l o c a t io n : f M k ( f U l (M et, I d iM k o fij i d {G f t h a * f a r m ( T T) (Road number, distance and direction to nearest map land mark, Intersection, town, stream crossing, UTM's preferred) CONDITION OF CARCASS:Rumen Ruptured___Missing Body Parts___ Uterus Ruptured___ Fetuses Damaged___Evidence o f Scavenger___Hair "slipping"___ Obvious BrokenLegs(#)___ Carcass Intact (no visible major obvious injuries, excluding abrasions and some bair Ioss)_J^_ AGE OF DOE: lO fo rn .

-fiaa - TSCA NCIC Notification Form for CBI Documents Docket Number: flP __________________ Document Control Number: 0 ,1 ,^ 1 3cpcpc> Cp P l Document Date: q 3 _______________ Document Type: t P____________ f 'O u> la "T ?

AR226-1342 DuPont-9478 TRADE SECRET Study Title 8-2 Telomer B Alcohol: Subchronic Toxicity 90-Day Oral Gavage Study in Rats Volume 1 of 3 Laboratory Project ID: DuPont-9478 Te s t Gu id e l in e s : U.S.

AR226-1539 ATTACHMENT 1 YEAR 2002 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPont Washington Works Facility Parkersburg, West Virginia RECEIVED OPPT NCIC 2003 October 31 8:25AM Prepared by: DuPont Engineering Technology (DuET) Environmental Section Wilmington, DE 19898 October 17, 2003 Year 2002 Air Dispersion Modeling Analysis October 17, 2003 Page 2 1.

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1 - ^ 226-/76/ Wildlife International, Ltd.__________________ __________ Project Number 454A-104 PFOS: A 48-HOUR STATIC ACUTE TOXICITY TEST WITH THE CLADOCERAN (Daphnia magnet) ADDENDUM WILDLIFE INTERNATIONAL, LTD.

3M Specialty Materials March 13, 2002 3M Center St.

T-7132.1 FR DT15 Title: Comparative Molecular Biology o f Perfluorooctanesulfonamide (FOSA, T- 7132) in Rats following four consecutive days o f dosing.

AR036-O3& BIODEGRADATION TEST SUBSTANCE Identity: N-methylperfluorooctane sulfonamidoethanol; may also be referred to as N-MeFOSE Alcohol, FC-790, or FM-3925. (1Octanesulfonamide, N-methyl-1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8heptadecafluoro-N-(2-hydroxyethyl)-, CAS # 24448-09-7) Remarks: Material is an off-white, waxy solid.

ACTIVATED SLUDGE RESPIRATION INHIBITION TEST SUBSTANCE Identity: Perfluorooctanoic add, ammonium salt; may also be referred to as PFOA ammonium salt, Ammonium perfluorooctanoate, PFO, FC116, FC-126, FC-169, orFC-143.

AR226-1970 .

AR226-2015 CC; A.

AR226-2108 Industrial Hygiene Sample Date Range Concentration Range Action Level 1/1/81 100% 12/31/81 Sample Dt Sample# Duration Type Employee Name STO: m TECHNICAL LOC: 411 BLDG. 163 LAB GENERALAREA 9/11/81 48665 Z 9/22/B1 48666 Z 9/23/81 48657 Z 9/23/81 48668 9/25/81 48669 10/12/81 48660 Z Z Z 10/14/81 48661 Z 10/19/81 48662 12/1/81 48663 12/1/81 48664 Z z z Pera Chemical C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 BTO: OB LOC: 7D1 TEFLON FINE POWDER DRYER-EASTSIDE #2 7/30/81 62679 Z 7/30/81 62680 z 9/26/81 62681 z 10/9/81 62682 z 10/9/81 62683 z 10/9/81 62684 z 10/20/81 62685 z 10/20/81 62686 z 10/20/81 62687 z 10/27/81 62688 z 10/28/81 62689 z 10/28/81 62690 z 10/30/81 62681 z 10/31/81 62692 z 10/31/81 62693 z 11/1/81 62694 z 11/4/81 62695 z 11/4/81 62696 z 11/4/81 62697 z Tuesday, January 16,2001 11:47:40 AM C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-6/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 Cone Unit Percent 0.15 MPB 0.06 MPB <0.03 MPB 0.03 MPB 0.03 MPB 0.04 MPB 0.1 MPB 0.14 MPB 0.03 MPB 0.03 MPB 26.8% 10.7% 5.4% 5.4% 5.4% 7.1% 17.9% 25.0% 5.4% 5.4% 096 MPB 1.18 MPB 2S3 MPB 0.67 MPB 0.36 MPB 0.68 MPB 4.31 MPB 1,48 MPB 1.13 MPB 0.69 MPB 0.27 MPB 0.1B MPB 1.91 MPB 2.91 MPB 1.25 MPB 0.31 MPB 0.69 MPB 0.31 MPB 0.41 MPB 171.4%** 210.7%** 461.8%** 119.6%** 64.3% 121.4%** 769.6%** 264/3%** 201.8%** 123.2% ** 48.2% 32.1% 341.1%** 519.6%** 223.2%** 55.4% 123.2%** 55.4% 73.2% Page 1 of3l AJP004045 E ID 1 1 3 1 8 0 Sample Dt Sample# Duration Type Employee Name 11/11/81 62688 11/13/81 62609 11/16/81 62700 11/16/31 62701 11/19/81 62702 11/20/81 62703 11/20/81 62704 12/9/81 62705 12/9/81 62706 12/9/81 62707 12/20/81 62708 12/22/81 62709 12/28/81 62710 12/29/81 62711 Z z z z z z z z z z z z z Z Fere Chemical C-8/FC-143 C-8/FC-143 C-8/FC-143 C-S/FC-143 C-S/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-B/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 C-8/FC-143 BTO: 08 TEFLON LOG: 702 FINEPOWDER DRYER CONTROL ROOM (ALSO SEETTF031 9/21/81 57258 z C-B/FC-143 9/23/81 57259 z C-8/FC-143 9/24/81 57260 z C-8/FC-143 9/27/81 57261 z C-B/FC-143 9/27/81 57262 z \ C-S/FC-143 9/30/81 57263 z C-8/FC-143 9/30/81 57264 z C-8/FC-143 9/30(81 57265 z C-8/FC-143 10/19/81 57266 z C-8/FC-143 11/9/81 57267 z C-8/FC-143 11/9/81 57268 z CB/FC-143 11/9/81 57269 z C-S/FC-143 11/11/81 57270 z C-S/FC-143 11/12/81 57271 z C-B/FC-143 11/12/81 57272 z C-S/FC-143 11/12/81 57273 11/18/81 57274 z z C-S/FC-143 C-S/FC-143 11/18/81 57275 z C-8/FC-143 11/16/81 57276 z C-8/FC-143 11/19/81 57277 z C-S/FC-143 12/2/81 57278 z C-8/FC-143 12/14/81 57279 z C-S/FC-143 Tuesday, January 16,2001 11:47:40 AM Cone unit 0.77 MPB 3.18 MPB 0.87 MPB 0.93 MPB 1.06 MPB 4.54 MPB 3.93 MPB 216 MPB 1.02 MPB 1.21 MPB 2.69 MPB 1.42 MPB 0.55 MPB 3.05 MPB percent 137.5%** 567.9%** 1732%** 166.1%** 189.3%** 810.7%** 701.8%** 385.7%** 1821%** 216.1%** 480.4%** 253.6%** 90.2% 544.6%** 0.12 MPB 1.64 MPB 1,04 MPB 4.6 MPB 0.47 MPB 0.46 MPB 1.00 MPB 0.46 MPB 0.13 MPB 0.7 MPB 0.06 MPB 054 MPB 3.01 MPB 0.68 MPB 0.57 MPB 0.52 MPB 0.65 MPB 1.33 MPB 1.18 MPB 0.07 MPB 0.12 MPB 024 MPB 21.4% 292.9%** 185.7% ** 821.4%** 83.9% 821% 183.9%** 821% 232% 125.0%** 100.0%** 96.4% 537.5% " 117.9%** 101.8%** 92.9% 116.1%** .237.5%** 210.7%** 125% 21.4% 429% Page 2 of31 AJP04046 E I D l13181 Sam ple D t Sam p le# Duration Type Em ployee Nam e 12/21/81 57280 12/21/31 67281 12/21/81 57282 12/22/81 57283 12/28/81 57284 Z Z Z Z Z BTO : 08 l,OC: 703 TEFLON FINE POWDER PACKOUT ROOM 8/25/31 31236 P 922/81 49740 Z 10/2/81 49741 Z BTO: OB TEFLON LOC : 704 A/S-FINE POWDER C-8 WEIGH HOOD 12/3/81 51474 Z 12/14/81 51475 Z 12/28/81 51476 Z.