AR226-2653 43 AR226-2653 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 Permit Application 1823C for the Thermal Converter complies with the C-8 assessment oftoxicity (CAT) recommended airborne screening level of 1.0 ug/m3 at the property line fence.

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FOR DU POUT USE ONLY Copies fco AR226-2900 E.

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AR226-3147 TRADE SECRET Study Title H-24335: Local Lymph Node Assay (LLNA) Laboratory Project ID: DuPont-3823 AUTHOR: Gregory S.

TRADE SECRET AR226-3163 DuPont-4594 Study Title H-24159: Static, Acute, 96-Hour Screening Test with Pimephales promelas Laboratory Project ID: DuPont-4594 AUTHOR: Robert A.

AR226-3166 TRADE SECRET Study Title H-24159: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-4182 AUTHOR: Carol Pinlay, B.A.

AR 226 _ 3276 Duwpoonmt 1155 AR R26_ 3276 ~ TRADE SECRET Study Tite H-24743: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Laboratory Project ID: DuPont-11558 AuTHOR: Carol Finlay, B.A.

CENTRAAL 1NST1TUUT VOOR VOEDINGSONDERZOEK Utrechueweg 48 Zeist CENTRAL INSTITUTE FOR NUTRITION AND FOOD RESEARCH AR226-3331 REPORT NO.

AR226-3359 3UNIVERSITAT 30SNABROCK J.

AR226-3370 The Role of Photolysis in the Atmosp Fate of Perfluorinated Aldehydes: Phase UV and IR Absorption Spec Hashikawa, Y.1, Kawasaki, M.1, Sulbaek Andersen, M.2, N O.2, Hurley, M.3, Wallington, T.3, Waterland, R.4, 1 Kyoto University/ Kyoto, Japan 2 University of Copenhagen, Copenhagen, Denmark 3 Ford Motor Company, Dearborn, MI, USA 4 E.

3M General Offices 3M Center St.Paul,MN 55144-1000 612733 1110 May 18,2000 VIA EXPRESS MAIL Dr.

Corporate ToxicologyStudy Outline July,1998 DT22; T-7121.1 FC-129 Title:FC-129 PreliminaryADNM Screen in Rats Thneline: InLifeStartDate:7/13/98 InLifeEnd Date:7/17/98 Purpose: Thisstudyisdesignedtoprovidepreliminariynformationon theabsorption, distributiomne,tabolismand excretio(nADME) ofFC-129.

3M Environmental Laboratory FinalReport- AnalyticalStudy Single-DoseIntravenousPharmacokinetic Study ofT-6052 in Rabbits In-Vivo Study ReferenceNumber: HWI#6329-134 StudyNumber: ANMT-111694.1 TestSubstance:FC-120 (T-6052) Name and Address ofSponsor: 3M SCD Division 367 Grove Street St.Paul,MN 55106 Name and Address of TestingFacility: 3M EnvironmentalTechnology & Services 935 Bush Avenue St.Paul,N4N 55106 Method Numbers AMDT-M-1-0, AMI)T-M-2-0, AMDT-M4-0, AMDT-M-5-0, AMDT-M-8-0.