AJP003728 rrH* OQHW BEST COPY AVAILABLE COMPUTATION SHEET USE STANDARDS FOR MINIM UM ESSENTIA!.

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AR226-2152 4oO3 t *T--I Ph P S) t o> Ph RP026176 EXD476984 # Steve Swearingen Cathie Barton, DuET Debbie Mulrooney, DuET Tim Bingman, CRG w ow <Ti v] -0 EXD476985 Chronic Off-Site g ii I Purpose: Identify the design parameters required so that the average daily concentration off-site is below the CEG and on-site is less than the AEL - Emission rate - Stack Height - Stack Height/building height ratio - Dilution Air flow Model used: Industrial Source Complex (ISC v.3); a model used by EPA for air toxics permitting Results shown are using RDU meteorology data; FAY data available this week; model results will be updated.

AR226-2240 Vapor Scavenging Coefficient Estimation Vapor scavenging coefficients are used to estimate the rate of removal of a soluble species that exists below the cloud line based on rain event characteristics, such as intensity and droplet size.

S O HEM S AR226-2469 -o ; 8/7, DuPont Washinspim Worts P. 0.

AR226-2701 AR226-2701 TORONTO WORKSHOP MATERIALS September 13-14,2004 Measuring Physical Chemical Properties & Analytical M ary A.

M ia-7/g Ciba Specialty Chemicals Corporation USA Regu^tory Services S O-' RECEIVED 05 JUN n AHffl-* } 7 SANITIZED L Ciba DIIII IIIIIMilIII IIIIII 8 EHQ - O ) 5 6 June 9, 2005 ^ 9 - otfor - /*osr ederal Express Confidential US Environmental Protection Agency 1 OPPT Document Control Office Mail Code 7407M Attention: Section 8(e) Submission EPA East Building, Room 6428 Company Sanitized 1201 Constitution Avenue NW Washington, DC 20460-0001 Subject: TSCA 8 (el Notice - Cyclohexene-carboxylic acid, ffdi-propenylaminol carbonyll- sodium salt, reaction products with pentafluoroiodoethanetetrafluoroethvlene telomer, ammonium salts Dear Section 8(e) Coordinator: This letter contains Confidential Business Information (CBI).

AR226-2764 FOR DP PONT OSE ONLY H askell LabEEol.rkatZtoo.nrdyRufooPadre,nTtNodxeewicaNorlkeo,mgoDyueraslnawdenadIrneCdou1ms9pt7ar1ni1ayl Medicine HASKELL LABORATORY REPORT NO. 295-81 aOmemtaonniouMimcaasteacrliidta*,l Tpeenstteaddecafluoro-, H a1ak', e03ll7N oT S tu d y5 /2I n0l/t8l0a t e-d /6C/1o7m/8p0l e t e d b HCHaAaDk eDl lepLaartbmoerna tt o r y JPTb..hyroeFfgcienLheimnDedtnrd5uaae0lrgyeaevn.

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AR226-2929 FOR DU PONT USE ONLY HLR 411-85 HASKELL LABORATORY REPORT NO. 411-85 Title of Report STATIC ACUTE 48-HOUR EC501 OF TO Daphnia magna E.

AR226-3180 DuPont-6405 TRADE SECRET Testing Guidelines International Conference on Harmonisation (ICH) of Technical Requirements for Registration o f Pharmaceuticals for Human Use.

TRADE SECRET Study Title H-24001: Biopersistence Screening 10-Dose Oral Gavage Study in Rats Supplement No. 1 Laboratory Project ID: DuPont-2924 AR226-3203 D uPont-2924 Supplem ent N o. 1 Author: Carol Finlay, B.A.

Company Sanitized.

AR226-3344 ) Biotransformation of the Fluorotelomer 8-2 Telomer B Alcohol Ning Wang, Patrick Folsom, Bogdan Szostek, Vladimir Capka, Barbara Larsen, William Berti, John Gannon, Robert Buck The mirades o f science 1 8-2 Telomer B Alcohol: C8F17CH2CH2OH (8-2 TBA; CAS# 678-39-7) A key raw material used in the manufacture of sales products May be a transformation product of fluorotelomerbased sales products Is it biodegradable?

AR226 3345Perfluoroalkylated Substances in the Environment : gWhat are they?