WIN FerR-0704-00373 September 17,2004 Our sa arr En hon, 70 Boo oem, Newark, E 19714.0080 33 Via FederalExpress 3 EHR -q0- 372 * Document Processing Center (Mail Code 7407M) Room 6428 Attention: 8(e) Coordinator Office of Pollution Prevention and Toxics 33S2.01 ECnovnisrtiotnumteinotnaAlvPer.o,tNecWtion Agency, ICC Building.

g iZ |z78 3p3J3e333 33 |g 8Td FE EERD ;342d8NNIYN3aE8d JESSa3l4 da3S ] BS Jwp o3)rrMeinzlss z SSHI|=RE aA3s3HES sY FIRvNvEE= ERNEEE L=N|ESESSgNR\EE 9|= J 9 3| 454EYN4R 233EE5 ES: of 3 SY J 3 3 % HEREENEEECEEE FRE: A8N 13 3I1N{%3 44313333433331 0H3 4I3ER = YH 3yd83 :s ` NNoohll o9 owflE5w yl:a] 3 3H 5] 3828] EEE A & h oo3 2> N A EHR Y U a 2 yJ 9 \ 4F8 E9 EEyR3REEEg EEE alg ds ERE gE [Hay 4248 1 | INNE4E3E9N8 4) |;Z = R EIEN NE 8 N gvll 2 3 X] bi => | 28 YY 89 BYE 51 Y % J4 13g] 8 q 3 of 4ERS NIRS S R3 RS i) NN 433 ( |) AM 38BEIRNRE R4R5 LNG 1, |] 4 0 = \ | = -F JiF J.

AR226-2010 C-8 BLOOD DATA (WASHINGTON WORKS) STATUS OF EMPLOYEES AS OF: ^0.5 PPM ^ 1.0 PPM ^ 5.0 PPM ^ 10 PPM >10 PPM BASE DATA 1984-1986 (108 PEOPLE) 22% (24) < 67% 92% 97% 3% (73) (100) (105) (3) 1987 (31 PEOPLE) 1988 (28 PEOPLE) 1987-1988 COMBXNED (58 PEOPLE) 1989 (41 PEOPLE) 26% (8)' 43 (12) 34% (20) 34% (14) 39% 87% 97% 3% (12) (27) (30) (1) 61% 93% 100% 0% (17) (26) (28) 50% 90% 100% 0% (29) (52) (58) 59% 83% 98% 2% (23) (34) (40) (1) 0 THIS DATA IS ONLY USEFUL TO PROVIDE A GENERAL OVERVIEW (A SNAPSHOT IM TIME). 0 NOT USEFUL FOR TRENDS BECAUSE OF PEOPLE MOVEMENT, AND THE COMPOSITION OF PEOPLE TESTED CHANGES EACH YEAR, H.

-97-07-01 20: 39 1 ?'

AR226-2061 0' * Threshold Exposure Used =0' 03 ppk ** Indicate Limit = LOBAN 5^, ppb ***N ^Regular Paraompteiotrnic uAsendaly(Nsi=sr)i:PARtZ=Zeros = ***'<: Not Acceptable ' c ***NMD :yes

AR226-2077 W:a<:^!

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

AR226-2247 From: To: cc: Subject: Bernard J Reilly on 01/15/2002 04:37 PM ' David M Rural</AE/DuPont@DuPont, George H Senkler_Jr/AE/DuPont@DuPont, Paul J Bossert/AE/DuPont@DuPont.

AR226-2300 ^y Charles J Zarzecki 02/21/2003 12:30 PM To: cc: Subject: Catherine A Barton/AE/DuPont Actual 2002 Results Cathy, The maximum annual prediction for actual 2002 emissions is 1.36 ug/m3, occurring at the plant property line.

Confidential AR226-2510 3/26/2002 i BLANK"'11 M100 M200 500.0000 500.0000 0.1230 0,3900 61.5000 195.0000 M300 500,0000 0,6910 345,5000 M400 500.0000 0.9540 477.0000 M500 500.0000 1.3990 699.5000 M600 500,0000 2.5680 1284.0000 M700 500.0000 3.2930 1646.5000 " " 7478 252598 697483 1306233 1746554 2490782 4240046 5679062 SWKKI 191 IBSSSBlBiB^teSIW 1 aSSis SS HHHBBHIcTcr^--------^^ 474185 238556 0.5 61.9 5,3 276073 689308 2.5 186.6 5,8 486150 1291837 2.7 358.7 6,1 467189 1732720 3.7 486.8 6.2 479910 2476571 5.2 705.9 6.3 481732 4225781 8.8 1230.9 6,6 536227 5663183 10.6 1669.2 6.7 3.4 3.2 n. a. " 2.8 0 1 0 2,6 + 2.2 Confidential Standard Plot Standrad Linearization Plot i1.0405x-3.8037 R2 0.9992 4 5 3 LOG (Corrected C-8 Peak Height) 3/26/2002 Confidential BE-CB/PPL(7)) BE-CB/PPL(14)) 44.9 (DM/CM) gg 56.2(dm/cm) fil 3/26/2002 i| 72.6 (DM/CM) 72.8((drVcm) Sy Page 3 60.0 (DM/CM) 72.4(dn/cm) 1/7/2002 MON. 1/14/2002 mon.

AR226-2551 6ZZI IOHSV RGRA Facility Investigation Results Review March 14,2001 Introductions Site Background Site Hydrogeology RFI Scope of Work RFI Results Conclusions and Recommendations Wrap-Up 08HIOHSV To familiarize the EPA/WVDEP project team Washington Works site physicalsetting To share the results obtained from the recently completed RCRA Facility Investigation To provide perspective on the RFI results To propose a path forward that will ensure con protection of human health and the environme isniOHSV The DuPont Washington Works site is well characterized and we!

AR226-2616 4 Draft: Prepared at the Request of Council AR226-2616 Screening level modeling report which was superceded by ISC modeling report Data and Modeling Procedures Dispersion modeling was performed using the U.S.

AR226-2657 47 AR226-2657 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed in support of anticipated updates to R13 permits 1953A and 2365B at the DuPont Washington Works site.

AR226-2876 Material Tested ..a.s-'.'

AR226-3001 Performing Laboratory Haskell E.