AR226-2078 J J,, ,'\T/vn.

AR226-2191 EID 293578 Washington Works C8 Emissions - Actual with FPD at 12000 43485004348000- 4347500- 4347000- ?

AR226-2241 /f* Debbie J Mulrooney 01/07/2002 01:14 PM To: Robert F Pinchot/DEV/AE/DuPont@DuPont cc: Subject: Modeling Results Rob, Here are the contour plots and maxim um concentrations from the straight dispersion runs (no deposition or depletion) for both 2 000 actual and permitted emissions.

AR226-2349 U.S.

AR226-2525 - /X S O O C A S ~ *>/' 3_CJ, cJO r) C ^ S PENNY, m e r e ARE THE R E S U L T S FOR THE C-rQ IK WA TE R S A M P L E S T H AT YOU TE-RY .

dODIIfe DuPont Engineering M y 22,2002 AR226-2590 DuPont EngiitiBring Bariev Mill P is - Bldg, V Lancaster Pike & Rte. 14) Wilmington, D E 138 Mr.

AR226-2601 om < CN r- <N CD <OD ASH02B045 EXD781325 EID781325 i i Objectives Provide grounding/update on recent activities Solicit input on upcoming activities mg M H otv> 09 O cn EID781326 : Agenda Water - GIST Final Report Recommendations - Proposed MOU Based on GIST Recommendations - OEPA Requests - DuPont Suggested Modifications Air - Review Recent Model Results - Air Permit Update - Additional Reduction Programs - Air Model Verification Plan ASHQ2B047 Proposed Memorandum of Understanding-W est Virginia DEP and Ohio EPA Sas W H a-a CD H UND) GO aN3 WoCD aH a CO H UIO) CO Summary of Activities December 2, 2003 S MOH a-oej, H WHa"J *o N*U0J) GO CNOJ 10' 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 I-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, and EPA HSWA (Corrective Action) permit requirements EID781330 i s w H aoK9 03 O cn o Proposed MOU inistrative Details Parties: -- West Virginia Department of Environmental Protection -- West Virginia Department of Health and Human Resources -- Ohio Environmental Protection Agency -- E.L du Pont de Nemours & Company 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 facilities") -- Begin first quarter 2004 Proposed MOU -Public Water System Sampling WV Public W ater Systems: - Quarterly sampling 1Q20G4-4Q2OO5 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.

AR226-2638 FAY PROJECT FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAY C8 SAMPLING 2/04 FAYETTEVILLE G W 1/03 FAYETTEVILLE G W 1/03 FAYETTEVILLE G W 1/03 FAYETTEVILLE GW 1/03 FAYETTEVILLE G W 1/03 FAYETTEVILLE G W 1/03 FAYETTEVILLE G W 1/03 FAYETTEVILLE G W 1/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE GW 3/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 10/03 FAYETTEVILLE SAMPLING 7/04 FAYETTEVILLE SAMPLING 7/04 FAYETTEVILLE SAMPLING 7/04 SRCNAME THEME DATESMPL SMPLT SAMPLE NUMBER 1-S Groundwater 2/3/2004 FS FAY-G-1-S EBLK-1 Blank W ater 2/4/2004 EB FAY-K-EBLK-1 NAF-01 Groundwater 2/4/2004 FS FAY-G-NAF-01 NAF-02 Groundwater 2/4/2004 FS FAY-G-NAF-02 NAF-03 Groundwater 2/4/2004 FS FAY-G-NAF-03 NAF-04 Groundwater 2/4/2004 FS FAY-G-NAF-04 OF-002 Surface Water 2/3/2004 FS FAY-W-OF-002 SMW-01 Groundwater 2/3/2004 FS FAY-G-SMW-01 SMW-02 Groundwater 2/3/2004 FS FAY-G-SMW-02 FBLK-1 Blank W ater 1/27/2003 FB WWK-K-FBLK-1 FBLK-2 Blank W ater 1/28/2003 FB WWK-K-FBLK-2 MW-1S Groundwater 1/28/2003 DUP WWK-G-MW-1S-2 MW-1S Groundwater 1/28/2003 FS W W K -G -M W -1S NAF-01 Groundwater 1/27/2003 FS WWK-G-NAF-01 OUTFALL 002 Surface W ater 1/28/2003 FS WWK-W-OUTFALL-002 SMW-01 Groundwater 1/27/2003 FS WWK-G-SMW-01 S W M -02 Groundwater 1/27/2003 FS W W K -G -S W M -02 FBLK-1 Blank W ater 3/27/2003 FB FAY-K-FBLK-1 MW-1S Groundwater 3/27/2003 FS FAY-G-MW-1S NAF-01 Groundwater 3/27/2003 FS FAY-G-NAF-01-1 NAF-01 Groundwater 3/27/2003 DUP FAY-G-NAF-01-2 OUTFALL-002 Surface Water 3/27/2003 FS FAY-W-OUTFALL-002 SMW-01 Groundwater 3/27/2003 FS FAY-G-SMW-01 S M W -02 Groundwater 3/27/2003 FS FAY-G-SMW-02 001 Other liquid 10/27/2003 FS FAY-Z-001 002 Other liquid 10/27/2003 FS FAY-Z-002 003 Other liquid 10/27/2003 FS FAY-Z-003 004 Other liquid 10/27/2003 FS FAY-Z-004 005 Other liquid 10/27/2003 FS FAY-Z-005 006 Other liquid 10/27/2003 FS FAY-Z-006 007 Other liquid 10/27/2003 FS FAY-Z-007 008 Other liquid 10/27/2003 FS FAY-Z-008 009 Other liquid 10/27/2003 FS FAY-Z-009 010 Other liquid 10/27/2003 FS FAY-Z-010 011 Other liquid 10/27/2003 FS FAY-Z-011 012 Other liquid 10/27/2003 FS FAY-Z-012 013 Other liquid 10/27/2003 FS FAY-Z-013 014 Other liquid 10/27/2003 FS FAY-Z-014 FIELD W ATER Blank W ater 10/27/2003 FS FAY-K-FIELD WATER #562877-DOMESTlC H 2 0 Drinking Water 7/15/2004 FS FAY-D-#562877-DOMESTIC H 20 #562878-DOMESTIC H 2 0 Drinking W ater 7/15/2004 FS FAY-D-#562878-DOMESTIC H 20 BLANK Blank W ater 7/15/2004 FS FAY-K-BLANK C8resultsEnvista111104.xls Pagel TOP BOTTOM FILTERED 0 0T 0 0T 0 0T 0 0T 0 0T 0 OT 0 OT 0 0T 0 0T T T T T T T T T T T T T T T T 0 0T 0 0T 0 0T 0 0T 0 0T 0 0T 0 0T 0 0T 0 0T 0 0T 0 OT 0 0T 0 0T 0 0T 0 0T 0 0T 0 0T 0 0T CASNO ANALYTE 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 3825261 FC-143 RsItPost RsItVal UNITS NQ 0 NG/L <10 5 NG/L 61.9 61.9 NG/L 303 303 NG/L 1530 1530 NG/L 123 123 NG/L NQ 0 NG/L <10 5 NG/L <10 5 NG/L <50 25 NG/L <50 25 NG/L NQ 0 NG/L NQ 0 NG/L 64.9 64.9 NG/L NQ 0 NG/L <50 25 NG/L <50 25 NG/L <50 25 NG/L NQ 0 NG/L 68.4 68.4 NG/L 62.8 62.8 NG/L NQ 0 NG/L <50 25 NG/L <50 25 NG/L <10 5 NG/L <10 5 NG/L <10 5 NG/L <10 5 NG/L 115 115 NG/L <10 5 NG/L <10 5 NG/L <10 5 NG/L NQ 0 NG/L 116 116 NG/L <10 5 NG/L NQ 0 NG/L 698 698 NG/L <10 5 NG/L <10 5 NG/L <10 5 NG/L <10 5 NG/L <10 5 NG/L Hit LAB ANALYTE 0 FC-143 0 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 1 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 1 FC-143 0 FC-143 0 FC-143 1 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 0 FC-143 QUAL_EPA Tl A* K) K% 0) i K) m CJ 00 QUAL INHOUSE REVIEW METHODNO PREPMTHD 01M-008-046 NS 01M-008-046 NS 01M-008-046 NS 01M-008-046 NS 01M-008-046 NS 01M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 None 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 01 M-008-046 NS 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 NS NS NS NS NS NS DRY W W W W W W W W W 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 W W W W W W W W W w w w w w w w w w C8 results Envista 111104.xls FAY LAB NUMBER RSLTMOD RESULT UNIT MDL PQL DUPNO LOO0178-3 NQ NG/L 10 50 1 L000178-4 < 10 NG/L 10 50 1 L000178-5 61.9 NG/L 10 50 1 L000178-6 303 NG/L 10 50 1 L000178-7 1530 NG/L 20 100 1 L000178-8 123 NG/L 10 50 1 L000178-9 NQ NG/L 10 50 1 L000178-1 < 10 NG/L 10 50 1 L000178-2 < 10 NG/L 10 50 1 L34144-1 < NG/L 50 1 L34144-6 < NG/L 50 1 L34144-8 NQ NG/L 50 2 L34144-7 NQ NG/L 50 1 L34144-4 64.9 NG/L 50 1 L34144-5 NQ NG/L 50 1 L34144-2 < NG/L 50 1 L34144-3 < NG/L 50 1 L34375-5 < NG/L 50 1 L34375-7 NQ NG/L 50 1 L34375-3 68.4 NG/L 50 1 L34375-4 62.8 NG/L 50 2 L34375-6 NQ NG/L 50 1 L34375-1 < NG/L 50 1 L34375-2 < NG/L 50 1 L353241-1 < 10 NG/L 10 50 1 L353242-1 < 10 NG/L 10 50 1 L353243-1 < 10 NG/L 10 50 1 L353244-1 < 10 NG/L 10 50 1 L353245-1 115 NG/L 10 50 1 L353246-1 < 10 NG/L 10 50 1 L353247-1 < 10 NG/L 10 50 1 L353248-1 < 10 NG/L 10 50 1 L353249-1 NQ NG/L 10 50 1 L3532410-1 116 NG/L 10 50 1 L3532411-1 < 10 NG/L 10 50 1 L3532412-1 NQ NG/L 10 50 1 L3532413-1 698 NG/L 10 50 1 L3532414-1 < 10 NG/L 10 50 1 L3532415-1 < 10 NG/L 10 50 1 L002906-1 < 10 NG/L 10 50 1 L0002906-2 < 10 NG/L 10 50 1 L0002906-3 < 10 NG/L 10 50 1 Page 2

RECYCLED o> AR226-2684 AR226-2684 The miracles o f science' Study Title ADSORPTION-DESORPTION SCREENING STUDIES OF AMMONIUM PERFLUOROOCTANOATE Author William R.

AR226-2729 E.

j AR226-2864 Copies to: E.

FOR DU PONT USE ONLY AR226-2947 Ou Font (HR 127*90 ' r'.

u o n u y iu ie s i u e ii n e a e a rc n u m o ri & UO.

t i AR226-3023 Study T i t l e 100-Person Hunan Patch Test with H-21275 (Control Item), H-21273 (Test Item 1), and H-21274 (Test Item 2) Laboratory Project ID Haskell Laboratory Report No. 447-95 Study Completed On August 24, 1995 Contracting Laboratory Biosearch, Incorporated 3408-50 B Street Philadelphia, Pennsylvania 19134 Author James E.

TRADE SECRET AR226-3093 DuPont HL-1998-01316 Study Title H-23005: Bacterial Reverse Mutation Test L a b o r a t o r y Project ID: HL-1998-01316 Author: N.