AR226-2239 Phase Diagram of C-8 The phase diagram below shows the solid and vapor phases of C-8 as a function of temperature and pressure.

AR226-2288 C h ris E Shoop 09/04/2002 12:49 PM___________________________ j___ To: Mohammad Rezaei/SE/DuPont@DuPont cc: Ta-Wei Fu/SE/DuPont@DuPont, Robert I Wevodau/SE/DuPont@DuPont, Robert F Pinchot/DEV/AE/DuPont@DuPont, Debbie J Mulrooney/AE/DuPont@DuPont Subject FE P Stack Locations Mo, P e r our conversation, here's the sheet we assem bled for the m odeling o f C -8 em issions.

AR226-2328 J Bari Ruiter 04/08/2003 07:34 AM To: cc: Subject: Maria S Angelo/AE/DuPont@ DuPont, Richard S Vickery/AE/DuPorrt@DuPont, Thomas R Morgan/AE/DuPont@DuPont, Mary A Kaiser/AE/DuPont@ DuPont Stephen W Constable/ABDuPont@ DuPont, Catherine A Barton/AE/DuPont@DuPont Robert A Reich/AE/DuPont@ DuPont ' Chambers W orks: Effluent and River Draft Sampling Plan M aria, Rick and Tom 1upgraded the Phase I sam pling plan fo r the effluent and rive r based on your comments.

AR226-2344 ATTACHMENT 2 SEPTEMBER 2002 THROUGH AUGUST 2003 AIR DISPERSION MODELING ANALYSIS OF APFO EMISSIONS DuPPoanrtkWerassbhuinrgg,toWneWst oVrikrsgiFnaiacility Prepared for: West VirginiaCD7heD0ap1riav2lreiMstsimtooanencn,CotWfooArVfkiErl2enQ5Av3ui0vra4oel-,ni2tSmy9E4e3ntal Protection Prepared by: DuPont EWEnngilvimnireionengrmitnoegnn,TtDaelEcShen1co9tl8ioo9gn8y (DuET) October 17,2003 ASH027184 EXP015749 September 2002MTohdreoluingghAAnualgyussist2o0f0OA3PcAtFoiOrbDeErims1p7ies,2rssi0oio0nn3s 1.

AR226-2395 INTEROFFICE MEMORANDUM Dates From: Dept: Tel No: ii~May~19B8 10:03am ANTHONY J.

AR226-2454 INTEROFFICE MEMORANDUM TO: Distribution List Date: From: Dept: Tel No 05-Nov-1998 09:23am JOHN F.

AR226-2512 puLu : I J . ' L` Hidetaka Hiromatsu 04/02/2002 09:04 AM To : Andrew S Hartten/AE/DuPont@DuPont c c : David M Rurak/AE/DuPont@DuPont, Seiichi Tanaka/PO/DuPont@DuPont, V ic E Kleinfelter/AE/DuPor*t@DuPont, Etsue Takanouji/DuPont@DuPont, Koichi lnagaki/PO/DuPont@DuPont, Kazuaki Suzuki/PO/DuPont@DuPont, Katsunosuke Kitagawa/PO/DuPorrt@DuPont, Kazuaki Yokoyama/PO/DuPont@DuPont, Susan L Skrotsky/AE/DuPont@ DuPont, Shikiho ltaya/PO/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPorttr Diane R Shomper/AE/DuPont@DuPont, Ta-W ei Fu/SE/DuPont@DuPont, O scar T Garza/AE/DuPorrt@DuPont, Isidores J Zanikos/AE/DuPont@DuPont Subject: Re: APFO vs.

AR226-2548 RCRA FACILITY INVESTIGATION REPORT DUPONT WASHINGTON WORKS WASHINGTON, WEST VIRGINIA JUNE 30,1999 Project No. 0D6W7205 ASH000246 Prepared by <90B& v C O R P O R A T E REM ED IA TIO N G R O U P An Alliance between DuPont and The W-C Diamond Group Barley Mill Plaza, Building 27 Wilmington, Delaware 19880-0027 EID090342 III I } I t^OOOHSV !

RECYCLED 05 PO AR226-2672 PROJECT ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1997 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1998 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 1999 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING 2000 ANNUAL C8 SAMPLING-1996 ANNUAL C8 SAMPLING-1996 ANNUAL C8 SAMPLING-1996 ANNUAL C8 SAMPLING-1996 ANNUAL C8 SAMPLING-1996 ANNUAL C8 SAMPLING-1996 ANNUAL C8 SAMPLING-1996 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/02 C8 SAMPLING 1/03 C8 SAMPLING 1/03 SRCNAME AM07-PW01 AO08-PW01 WEST WELLFIELD 1 AM07-PW01 AO08-PW01 U16-MW01 WEST WELLFIELD 1 U16-MW01 WEST WELLFIELD 1 AM07-PW01 AO08-PW01 BUILDING-363_AFTER_FILTE U16-MW01 WEST WELLFIELD 1 AM07-PW01 AO08-PW01 MW-AJP MW-MGM MW-TWW MWBG WEST WELLFIELD 1 AE11-MW01 D08-MW01 E13-MW01 EQBLK-1 EQBLK-2 FBLK-2 FIELD BLANKS GALLERY N04-MW02 OUTFALL 001 OUTFALL 002 OUTFALL 002 OUTFALL 003 OUTFALL 005 OUTFALL 007 OUTFALL 105 P04-MW02 Q04-MW02 R04-MW02 RANNEY WELL 331 WELL 336 WEST WELLFIELD 1 WEST WELLFIELD 4 Y14-MW01 EQBLK-1 OUTFALL 001 C8 results Envista 111104.xls THEME Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Blank Water Blank Water Blank Water Blank Water Groundwater Groundwater Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Groundwater Blank Water Other liquid DATESMPL SMPLT 6/2/1997 FS 6/2/1997 FS 5/29/1997 FS 6/19/1998 FS 6/19/1998 FS 6/19/1998 FS 6/2/1998 FS 5/20/1999 FS 6/3/1999 FS 8/16/2000 FS 8/15/2000 FS 8/16/2000 FS 5/11/2000 FS 9/14/2000 FS 4/2/1996 FS 4/2/1996 FS 4/18/1996 FS 4/18/1996 FS 4/18/1996 FS 4/2/1996 FS 4/11/1996 FS 1/28/2002 FS 1/28/2002 FS 1/28/2002 FS 1/17/2002 EB 1/28/2002 EB 1/22/2002 FB 1/15/2002 FB 1/15/2002 FS 1/28/2002 FS 1/17/2002 FS 1/17/2002 DUP 1/17/2002 FS 1/17/2002 FS 1/17/2002 FS 1/17/2002 FS 1/17/2002 FS 1/28/2002 FS 1/28/2002 FS 1/28/2002 FS 1/15/2002 FS 1/22/2002 FS 1/22/2002 FS 1/15/2002 FS 1/22/2002 FS 1/28/2002 FS 1/26/2003 EB 1/26/2003 FS WWK SAMPLENUMBER WWK-WELL 336 WWK-WELL 331 WWK-WEST WELLFIELD#1 WELL-336 WELL-331 TW-25 WEST WELLFIELD#1 W W K-Z-LL-TW#25 WWK-WEST_WELLFIELD W W K-G-WELL-336 WWK-G-WELL-331 WWK-G-BUILDING-363_AFTER_FILTE LCL-G-TW-25 LCL-Z-WEST_WELLFIELD_#1 MW-336 MW-331 MW-AJP MW-MGM MW-TWW MWBG WESTWELL WWK-G-AE11-MW01 WWK-D08-MW01 WWK-G-E13-MW01 WWK-K-EQBLK-1 WWK-K-EQBLK-2 WWK-K-FBLK-2 WWK-FBLK-1 WWK-G-GALLERY WWK-G-N04-MW02 WWK-Z-OUTFALL-001 WWK-Z-OUTFALL-002-2 W W K-Z-0 UTFALL-002 WWK-Z-OUTFALL-003 WWK-Z-OUTFALL-005 WW K-Z-0 UTFALL-007 WWK-Z-OUTFALL-105 WWK-G-P04-MW02 W W K-G -Q 04-M W 02 WWK-G-R04-MW02 WWK-G-RANNEY WWK-G-W ELL 331 WWK-G-WELL 336 WWK-WEST WELLFIELD 1 WWK-G-WEST WELLFIELD 4 WWK-G-Y14-MW-1 WWK-K-EQBLK-1 WWK-Z-OUTFALL-001 Page 1 AR226-2672 TOP BOTTOM FILTERED CASNO ANALYTE RsItPost T 3825261 FC-143 0.79 T 3825261 FC-143 0.55 T 3825261 FC-143 7.9 T 3825261 FC-143 0.40 T 3825261 FC-143 1.0 T 3825261 FC-143 11 T 3825261 FC-143' 16 T 3825261 FC-143 2.00 T 3825261 FC-143 1.63 T 3825261 FC-143 0.071 J T 3825261 FC-143 0.167 T 3825261 FC-143 0.135 T 3825261 FC-143 4.7 T 3825261 FC-143 0.819 T 3825261 FC-143 0.48 T 3825261 FC-143 0.52 T 3825261 FC-143 <0.4 T 3825261 FC-143 0.69 T 3825261 FC-143 0.85 T 3825261 FC-143 <0.1 T 3825261 FC-143 3.7 T 3825261 FC-143 1200 T 3825261 FC-143 582 T 3825261 FC-143 2110 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 <50 T 3825261 FC-143 30900 T 3825261 FC-143 689000 T - 3825261 FC-143 10900 T 3825261 FC-143 3990 T 3825261 FC-143 4230 T 3825261 FC-143 956 T 3825261 FC-143 137000 T 3825261 FC-143 871 T 3825261 FC-143 7530 T 3825261 FC-143 32600000 T 3825261 FC-143 1480000 T 3825261 FC-143 47500000 T 3825261 FC-143 29000 T 3825261 FC-143 355 T 3825261 FC-143 131 T 3825261 FC-143 6520 T 3825261 FC-143 10500 T 3825261 FC-143 12700 T 3825261 FC-143 <50 T 3825261 FC-143 3580 RsItVal UNITS 0.79 ug/l 0.55 ug/l 7.9 ug/l 0.4 ug/l 1 ug/l 11 ug/l 16 ug/l 2 ug/l 1.63 ug/l 0.071 ug/l 0.167 ug/l 0.135 ug/l 4.7 ug/l 0.819 ug/l 0.48 ug/l 0.52 ug/l 0.2 ug/l 0.69 ug/l 0.85 ug/l 0.05 ug/l 3.7 ug/l 1200 NG/L 582 NG/L 2110 NG/L 25 NG/L 25 NG/L 25 NG/L 25 NG/L 30900 NG/L 689000 NG/L 10900 NG/L 3990 NG/L 4230 NG/L 956 NG/L 137000 NG/L 871 NG/L 7530 NG/L 32600000 NG/L 1480000 NG/L 47500000 NG/L 29000 NG/L 355 NG/L 131 NG/L 6520 NG/L 10500 NG/L 12700 NG/L 25 NG/L 3580 NG/L Hit LAB ANALYTE 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 IN WATER 1 FC-143 IN WATER 1 FC-143 IN WATER 1 FC-143 IN WATER 1 FC-143 IN WATER 1 FC-143 IN WATER 1 FC-143 IN WATER 1 FC-143 1 FC-143 0 FC-143 1 FC-143 1 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 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 1 FC-143 0 FC-143 1 FC-143 C8 results Envista 111104.xls WWK QUAL_EPA QUALJNHOUSE REVIEW METHODNO PREPMTHD PREPREP UDF None NS UDF None NS UDF None NS UDF None NS UDF None NS UDF None NS UDF None NS UDF UDF NS UDF UDF NS J UDF UDF NS UDF UDF NS UDF UDF NS UDF UDF NS UDF UDF NS UDF None NS UDF None NS UDF None NS UDF None NS UDF None NS UDF None NS UDF None NS 01M-008-046 None NS 01M-008-046 None NS 01 M-008-046 None NS 01M-008-046 None NS 01M-008-046 None NS 01M-008-046 None NS 01M-008-046 None NS 01M-008-046 None NS 01M-008-046 None NS 01M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS 01 M-008-046 None NS Page 2 DRY LAB NUMBER RSLTMOD RESULT 2 MD791-008 0.79 2 MD791-009 0.55 2 MD791-007 7.9 2 MG144-002 0.40 2 MG144-001 1.0 2 MG145-001 11 2 MG023-005 16 1 3157424-1 2.00 1 3165946-1 1.63 1 3440160-1 0.071 1 3440159-1 0.167 1 3440161-1 0.135 1 3379846-1 4.7 1 3458430-1 0.819 2 MA644-009 0.48 2 MA644-008 2 MA784-001 < 0.52 0.4 2 MA784-003 0.69 2 MA784-002 0.85 2 MA644-010 < 0.1 2 MA722-005 3.7 1 L32638-5 1200 1 L32638-7 582 1 L32638-6 1 L32581-8 < 2110 1 L32638-9 < 1 L32606-4 < 1 L32561-4 < 1 L32561-1 30900 1 L32638-4 689000 1 L32581-1 10900 1 L32581-7 3990 1 L32581-2 4230 1 L32581-3 956 1 L32581-4 137000 1 L32581-5 871 1 L32581-6 7530 1 L32638-3 32600000 1 L32638-1 1480000 1 L32638-2 47500000 1 L32561-2 29000 1 L32606-1 355 1 L32606-2 131 1 L32561-3 6520 1 L32606-3 10500 1 L32638-8 12700 1 L34142-8 < 1 L34142-1 3580 UNIT UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/L UG/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 NG/L NG/L MDL 0.028 0.028 0.028 0.029 0.029 0.29 0.029 PQL 0.1 0.1 1.0 0.10 0.10 1.0 2.0 0.095 0.094 0.095 0.095 0.095 1 0.095 0.1 0.1 0.4 0.1 0.1 0.1 0.5 500 50 500 50 50 50 50 50 100000 50 50 50 50 50 50 50 50 100000 5000000 50 50 50 50 5000 5000 50 500 DUPNO 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 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 PROJECT C8 SAMPLING 1/03 C8 SAMPLING 1/03 C8 SAMPLING 1/03 C8 SAMPLING 1/03 C8 SAMPLING 1/03 C8 SAMPLING 1/03 C8 SAMPLING 1/04 WWK C8 SAMPLING 1/04 WWK C8 SAMPLING 1/04 WWK C8 SAMPLING 1/04 WWK C8 SAMPLING 1/04 WWK C8 SAMPLING 1/04 WWK C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/02 C8 SAMPLING 10/03 - WWK C8 SAMPLING 10/03 - WWK C8 SAMPLING 10/03 - WWK C8 SAMPLING 10/03 - WWK C8 SAMPLING 10/03 - WWK SRCNAME OUTFALL 002 OUTFALL 003 OUTFALL 003 OUTFALL 005 OUTFALL 007 OUTFALL 105 EQBLK-1 OUTFALL-001 OUTFALL-002 OUTFALL-002 OUTFALL-005 OUTFALL-105 AE11-MW01 AJ06-MW02 AX13-PW01 D08-MW01 E13-MW01 EQBLK-1 EQBLK-2 EQBLK-3 FBLK-1 FBLK-2 GALLERY N04-MW03 OUTFALL 001 OUTFALL 002 OUTFALL 003 OUTFALL 005 OUTFALL 007 OUTFALL 007 OUTFALL 105 P04-MW02 P04-MW02 P08-MW01 Q04-MW02 R04-MW02 RANNEY WELL 331 WELL 336 WEST WELLFIELD 1 WEST WELLFIELD 4 Y14-MW01 Y14-MW02 EQBLK-1 OUTFALL-001 OUTFALL-002 OUTFALL-005 OUTFALL-005 C8 results Envista 111104.xls THEME Other liquid Other liquid Other liquid Other liquid Other liquid Other liquid Blank Water Other liquid Other liquid Other liquid Other liquid Other liquid Groundwater Groundwater Groundwater Groundwater Groundwater Blank Water Blank Water Blank Water Blank Water Blank Water Groundwater Groundwater Other liquid Other liquid Other liquid Other liq

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?

j AR226-2864 Copies to: E.

AR226-2923 FR DU PONT USE ONLY E.

Study Sponsor: Issue Date: Document Reference No.: ELFATOCHEM 10-Jul-95 95/SAE6/0548/HT AR226-3022 Ready Biodegradability Author(s): H.

CONFIDENTIAL AR226-3127 DPT 432/985069/SS SKIN SENSITIZATION TO THE GUINEA-PIG (MAGNUSSON & KLIGMAN METHOD) Sponsor DuPont Specialty Chemicals Jackson Laboratory.

AR226-3142 CONFIDENTIAL SPONSOR Elf Atochem S.A.