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AR226-2027 4-=. 1-H.^ 17" s ?

AR226-2042 lO:^^ ( WASHINGTON WORKS C-8 INDUSTRIAL HYGIENE A.

AR226-2094 Test Results Sample Date Range Concentration Range AcHon Level Industrial 1/1/90 100% Sample Ot Sample Duration type Employee Name BTO; 08 IfiC: 701 TEFION FINE POWDER DRYER-EAST SIDEtfa: 1BO 8747 405 A 12(31/90 Pers Chemical 0.8/FC-143 BTO: 08 LOC; 702 TEFLON PINE POWDER DRYER CONTROL ROOM (ALSO SEE TTF081 1QSQ 294 3S6 A &a/FC-143 2/1460 320 2/14SO 3Z3 418 A 374 A C-WO-143 C-8/FC-143 3/1200 369 360 A C-e/FC-143 7/11/90 509 480 A CWC-143 BTO; 03 LOC: 703 TEFUON PIME POWDER PACKOUT ROOM 1/10(90 15515 355 P 7/1WO 611 480 A 8/10CO 638 330 A 09PJ C.WPC.143 &WC-143 &8fl;:C.143 BTO; 08 LOC: 704 TePLON A/8-FIM6 POWDER (>SWBQH HOOD 2/14BO 322 383 A 3/12(90 368 360 A BTO; 08 LOC; 706 TEPLOM DISPERSION PACK OUTAREA OBOOS-O 480 A BTO: 08 LOC: 708 TEFLON FINE POWDER DRYER S3 1/10(90 297 365 A 2/14(50 321 387 A Cfl/FC-143 C-WC-143 C.aPC-143 C-8/FC-143 C-8/F-C-143 BTO; 08 TEPLOM LOC!

AR226-2331 CADocumcnKi and Settings\BARTONC\Dc5i<top\c8\modeling How should we address the request for short-term air expo assessment?

AR226-2623 11 Draft: Prepared at the Request of Council AR226-2623 Data and Modeling Procedures Dispersion modeling was performed using the U.S.

AR226-2656 Is AR226-2656 ISC Modeling Methodology and Results Introduction This report summarizes dispersion modeling that was completed for the DuPont Washington Works facility to demonstrate that the emission limits included in the form R13 permits (815E, 1353B, 1953B, and 2365C) comply with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

AR226-2766 FOR DU FONT USE ONLY E.

FOR DU POUT USE ONLY AR226-2911 Copies co Haskeli E.

ARR 3253 as --_ DuPon"atndHaEsnkveilrlonLmaebnotraaltoSrcyiefnocreHsealth AR2RE _3253 0 mrfmmrocker nas FROM: J.C.

Aragg - 3297. 479 ~ AR 226-3 297 `TRADE SECRET Study Title 'H-25499 and H-25500: Subchronic Toxicity 90-Day Gavage Study in Male Rats.

AR226-3359 3UNIVERSITAT 30SNABROCK J.

Biotransformation of ^C-Labeled Fluorotelomer Substances by Soil M Wane N,1, Szostek B.2, Buck R.C.3, Folsom P.W.1, Sulecki L.1, Powley C.2, Berti W.1, and Gannon J.T. 1 DuPont Central Research and Development, Newark, USA; 2 DuPont Haskell Laboratory; USA;3 DuPont Chemical Solu AR226-3364 Introduction Growing public interest in the environmental fate of fluorinated chemicals due to the global presence ofperfluorinated acids such as perfluorosulfonic acid (PFOS) and perfluorooctanoic acid (PFOA). 8-2 TelomerB Alcohol (8-2 TBA, CP3(CF;,)(,CF:;CH:,CH20H) is a major raw material used in the manufacture of sales products (e.g. fluorosurfactants and fluoropolymers).

AR226-3379 Development Of A Biologically Based Model To Describe Perfluoroocta (PFOA) Kinetics P.M.

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