AR226-2052 a & '

AR226-2058 \ < y " \ 4-* -- SiVpt-- eV'^1 b^<3" .

AR226-2168 Current Permit/ Applicatlon/PDF 81SD 815D 1353A Pre-ExIstIng 614A 614A 781 1953 2365A Permit Vent ID T61FCE T6IZCE 164-5E 164-2S 163-E-26 163-E-11 163-E-33 242 C1FSE Reg 29 Unit ID TIP TIZ THJ THG CDT CDW CDB CEH CFS Reg 29 Zone 17 Vent ID UTM-E UTM-N 647 442084 4346833 699 442102 4346811 652 441920 4346767 658 441923 4346756 231 441939 4346773 232 441940 4346772 216 441960 4346788 242 441954 4346741 274 441787 4346744 Stack Diameter (ft) 1.33 1.5 1 ' 1.96 1.63 0.82 2.08 1.3 0.67 0.69 Stack Diameter (m) 0.405 0.457 0.305 0.598 0.497 0.251 0.635 0.396 0.204 0.210 Stack Height (ft) 150 59 63 70 68 71 66.6 60 70 110 Stack Height (m) 45.7 18.0 19.2 21.3 20.7 21.7 20.3 18.3 21.3 33.5 Base Elevation (m) 191.1 191.1 195.7 194.9 195.0 197.8 197.9 198.2 197.4 197.3 Stack Plow ACFM 3349 18000 1000 9800 2800 500 600 2750 1250 1000 Stack Velocity (m/s) 12.2 51.8 6.5 16.5 6.8 4.8 0.9 10.5 18.0 13.6 Stack Temp (F) 172 111 111 200 300 130 130 158 200 255 2000 Stack Temp (K) 350.9 317.0 317.0 366.5 422.0 327.6 327.6 343.2 366.5 397.0 Pennited Est Actual Emissions Ib/yr 0 14,308 0 275 137 2280 2310 0 729 2107 Allowa Emissi Ib/yr 56 11 14 14 21 9 *T6IZCE consists of 18 separate 1-ft diameter stacks, located close together.

AR226-2182 Robert F Pinchot 08/22/2001 12-.50 PM To: cc: Subject: Chris E Shoop/AE/DuPont@DuPont.

AR226-2262 ISC Modeling Methodology and Results Emission Source Information The ISC3 model was used to calculate ambient ground-level vapor concentrations and deposition rates for year 2000 actual C8 emissions from the Washington Works site.

AR226-2333 Source ID ' 1 2 Description Pre-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) Post-scrubber exit for fine powder scrubber (called "AC Scrubber" on map) DEC Scrubber MP-2 scrubber Location Height, m Contribution, ug/mS Contribution, % D Plant 7.002 50 D Plant 15 3.345 24 E Plant: copolymer plant for PFA and FEP MP-2 building: 18.2 2.953 21 copolymer type micro- 16.1 0.771 S total = 14.071 source parameters 5-1-03.xls Contribution Source ID .

DEC, 11.2003 2;-51PM AR226-2351 M8443~P. 1/3- E.

AR226-2410 INTEROFFICE MEMORANDUM Date; From; Dept; Tel No; 28-Sep-1990 08;21 am Peter &.

AR226-2522 AMMONIUM PERFLUOROOCTANOATE (C-8) GROUNDWATER INVESTIGATION STEERING TEAM REPORT AUGUST 2003 CONSENT ORDER No.

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AR226-2562 Meeting Notes - September 25,2001 Washington Works Groundwater Model A meeting was held on September 25, 2001, at EPA headquarters in Philadelphia to discuss the groundwater model developed for the Washington Works Plant in Parkersburg, WV.

AR226-2639 28 romuaniet oy mien balinossi/as/ousons on 11/15/2008 13:33 we TRAR6 -- 26ST - 2 nasousom iBrartsyaoen 1aet?

AR226-2758 FOR DU POUT USE ONLY Copies co E. 1, du Font de Nemours and Company llaBkeii Laboratory for Toxicology and Industrial Medicine Elkton Road, Newark, Delaware 19711 HASKELL LABORATORY REPO&T NO. iUUb-BU 1 Teote -nw Haak-'ll No.

AR226-2764 FOR DU FONT USE ONLY Copies to: E.

AR226-2772 FOR DU POUT USB ONLY Copies to: Haskell E.