'7* 4" ' AR226-2031 Z1I1P/P0E5L/97 11:39 AM To: BROW NAL.

AR226-2033 WASHINGTON WORKo ' INDUSTRIAL HYGIENE REPORT FROM l-Jan-1995 TO 18-Dec-1997 J.0 ^ _X Js/ / Page 1 AREA: FLUOROCARBONS - COPOLYMERS CHEMICAL SAMPLE LOCATION * ;CONTROL 8/FC-143 610 (P/S) BEAD SWECO SCREENER OPERAT * DATE: 9-Jul-r9#T NOTEBOOK: TCP02,P293 EMPLOYEE #00000 DURATION: 390 CONC: 0.02 MPB PERS CODE: 18PJ SAMPLE TYPE: P PERCENTAGE: 4% a-' J - 7 RJZ021164 ia . . . /. a,' " /iii o 3 *m+ * t*,*~>tM* T T g /> / / EID093079 EID093079 WASHINGTON WORKS INDUSTRIAL HYGIENE REPORT FROM l-Jan-1995 .TO 18-Dec-1997 18-Dec~1997 Page 1 AREA: FLUOROCARBONS - COPOLYMERS CHEMICAL SAMPLE LOCATION *:CONTROL C-8/FC-143 S03(p/s)6 A/S - BEAD OVEN ROOM DATE: ll-Jul-lSHE NOTEBOOK: TCP01,P848 DURATION: 360 CONG: 0.13 MPB SAMPLE TYPE: P PERCENTAGE: 23% (18 *:RESP PROT EMPLOYEE #10159 PERS CODE: 18PJ J ^ C-8/FC-143 603(571 & A/S - BEAD OVEN ROOM DATE- 13-Jun-lW6 NOTEBOOK; TCP02,P0S9 DURATION: 375 CONC: 0.02 MPB SAMPLE TYPE: P PERCENTAGE: 4% ' (18 *:RESP PROT EMPLOYEE #00000 PERU CODE: 18PJ .

AR226-2106 Test R esults Sam ple Date Range Concentration Range Action Level Industrial Hygiene 1/1/79 1201/79 100% Sam ple Dt Sam ple 9 Duration ty p e Em ployee Name BTO : 08 TEFLON L 0 C : 016 MONOMER ANALYZER COMPUTER ROOM 11/15m 61389 z 11/26/79 61390 11/29779 61391 Z z P B Chemical 08 08 C-8 BTO: 08 TEFLON L O G : 701 FIN E P O W D ER D R Y E R -E A ST S ID E #2 2/12/79 62674 z 12/13/79 62675 z C-8 C-8 BTO: 08 TEFLON .

AR226-2268 T o: Catherine A Barton/AE/Du Pont@ DuPont co: Subject: Spruance C 8 A ssessm ent W ith the legal suit, you m ay want to talk with Legal and not create any docum entation that is not necessary-- Bob -----------Forwarded by Robert L Dunn/AE/DuPont on 03/28/2002 03:27 P M ------- Thom as V Robertson 03/28/2002 02:56 P M T o: Catherine A Barton/AE/DuPont@ DuPont cc: Robert L Dunn/AE/DuPont @ DuPont, W ayne C W alpole/AE/D uPont D uPont Subject: Spruance C 8 A ssessm ent P e r your request, in support of your work with Circleville, I am providing below a m em o docum enting the 1991 Spruance w astewater assessm ents for C8.

AR226-2290 C h ris E Shoop 09/05/2002 02:32 PM____________________________ To: Debbie J Mulrooney/AE/DuPont@DuPont, wevodaur@comcast.net cc: Robert F Pinchot/DEV/AE/DuPont@DuPont, Karl G Kronberg/AE/DuPont@DuPont, Ta-Wei Fu/SE/DuPont@DuPont, Robert L Ritchey/CL/DuPont@DuPont Subject: Stacks & Em issions tor Current and 2003 Modeling Debbie / Bob, ' Please see the attached sheet named Stacks & Surfactant Emissions- 12c.zip for 2001,2002, and 2003 emission estimates.

AR226-2298 EID747558 FP/D D1 Cooler FP/D D3 Cooler FP/D D2 Bypass FP/D D3 Bypass Current Permit/Application/PDF # 1823A 815D 815D 1353A Pre-Existing 614A 614A 781 1953 2365A 2365A 2365A Note: For some vents the surfactant rate Is less than the total particulate reported in Air Emissions Inventory which can Include polymer dust.

AR226-2318 AIR QUALITY DISPERSION MODELING ANALYSIS OF 8 EMISSIONS DuPont Fayetteville, North Carolina Facility Prepared by: Charles J.

DEC. 11. 2003 2/51PM AR226-2351 HO. 8443 " T. 1/3 E.

AR226-2495 h m 123 08/31/01 1 1 :0 1 5 :0 4 /13 N0:150 Meorr jufc.l -vwst July 18,2001 iSSSl||C0RT REQUESTED ?

AR226-2727 LOW LEVEL DETERMINATION OF FC-143 IN WATER October 1991 rH?

AR226-2783 FOR DO PONT QSE ONLY H askell LaEb.orZa.toEdruly:fP:iooamnrnrtkRTd,ooaaxDdiNc,eoleaPlmow.ogauOyrre.sanBadn1o9dx7I1n5C10do,u.

AR226-2S20 j E.

ES-3606 FOR DU'PONT OSE ONLY HASKELL LABORATORY AR226-2913 II B.

AR226-2967 Study Sponsor: ATOCHEM Issue Date: Unavailable (Data Only) Document Reference No.: Bacterial Growth Inhibition Author(s): J.C .

A v/JA r/u X V/1NX UOt UlNiii AR226-2963 Du Pont HLO 433-91 Study Title Skir^jensltization Test v i t h l H H I H R i n Guinea Pigs Study Completed On August 14, 1991 Contracting Laboratory Pharmakon Research International, Inc.