STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Egg Membrane, Albumen, and Yolk for Analysis Using HPLC-Electrospray/Mass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 PERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

A ftu 6 -c > 3 7 3 ACUTE TOXICITY TO AQUATIC INVERTEBRATES (E.G.

/IfttiG -cm R OCTANOUW ATER PARTITION COEFFICIENT TEST SUBSTANCE_____________________________________________________ Identity: N-ethylperfluorooctane sulfonamidoethanol; may also be referred to as N-EtFOSE Alcohol or FM-3422. (1-Octanesulfonamide, N-ethyl1 ,1 ,2 ,2 ,3 ,3 ,4 ,4 ,5 ,5 ,6 ,6 ,7 ,7 ,8 ,8 ,8 -h e p ta d e c a flu o ro -N -(2 -h y d ro x y e th y l)-, CAS # 1691-99-2) Rem arks: Material is an off-white, waxy solid.

T-7211.1 FR ST-37 Title Adipate (T-7211) Metabolite Identification in Rats Final Report Date: 2-24-04 3M Medical Department Study Number: T-7211.1 3M Strategic Toxicology Laboratory Protocol Study No.

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Toxicological Summary PFOS Dietary Chronic Definitive Reproductive Study: Mallard Test Substance: Perfluorooctanesulfonate (PFOS) Structure: 1-Octanesulfonic acid, 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-heptadecafluoro, potassium salt.

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AR226-2308 i-ffe g e f } From : To: D ate : S u b ject: B I Spires Kay G ilm er 3/12/03 3:10P M Fwd: Dupont update > B ill Spires 03/12/03 07:48A M > Director's update: DAPG had discussions with both Th e State of W est Virginia and Dupont concerning the air em issions o f C 8 from the W est Virginia facility.

DuPont Modeling Methodology and Results DRAFT Shimizu Site June 2003 AR226- 06/02/03 IO GJ GJ About the Model Industrial Source Complex Short Term 3 (ISCST3) Sold/used globally, Including in Japan http://www.phoenix-r.co.jp/products/products.htm Input Stack height, diameter Flowrate, temperature Mass of pollutant (kilogram per hour) Local meteorological data (Shlzouka 1997, 98, 99) Output Ambient air concentrations in ug/m3 Max values and locations outside the property line CAB000376 Prevailing wind -- *> R HD H CAB0OO377 Ambient annual ground level concentration in ug/m3 Model Calculations i Ambient air concentrations based onGaussian Equation Concentration a function of a vertical term and a i dispersion term i Vertical term based on stack height, receptor elevation, plume rise, mixing i B H O H Dispersion parameters describe distribution of pollutant in lateral and vertical CAB000378 m Ha<H1 ir CABO0037 9 Shimizu Modeling Inputs Stack Parameters Source ID 1 2 3 4 ssmPmPccoraarresuupp-tbbs))-scbbcreeurrrub((bbccbeaaerllDeereeeddxsxi""tciAAtfroiCfCportrifSSoifninccnerreuupbbpobboweewdrrd''eoeornnr DBCScrubber MP-2scrubber location DPlant DPlant pcolaEpnoPMtlyflaPomn-rp2teoP:rwbcFtuoydAippeldaoerinnlymdgm:iFceErroP- OOOOppppeeeepppprerrreeeOdddrdrrraaaappppaaaaptttteeeeyyyyeeeee,,rr,,rrssssryayy2y2112222eeete0788i44o44aaaa0000nrrrrhhhhddddsooooaaaauuuuyyyyrrrrssssssssj Height, m - Diameter, m 8 0.68(1) 15 0.6 18,2 0.6 16.1 10.6 assumed Flowrate m3/hr 2400 9600 1620 7500 r~ N> (1)GivenInemailof4/17/03from Hidetaka Hlromatsu: 600sommsquaredlametTer.

AR226-2421 S ROGER, HD HERE ARE JIM YOAK THE OH RESULTS 11/19/91?

AR226-2514 From: D ick J C Meijer on 04/03/2002 07:38 A M CET To: Ta-W ei Fu/SE/DuPorrt@DuPont cc: Ton Roelen/EUR/DuPont@DuPont, Stephen R Peck/SE/DuPont@DuPont, Yoshihiro Hayatsu/PO/DuPont@DuPont, Hidetaka Hiromatsu/PO/DuPont@DuPont, Paul K Mathur/CL/DuPont@DuPont, Akito Abe/AE/DuPont@DuPont, O scar T Garza/AE/DuPont@DuPont, Francois P van Langevelde/EU R/D uPont@ D uPont Subject: Re: C -8 analysis at W W lab | Ta-wei, Francois van Langevelde is the Analytical Chemist for TEFLON and FEP.

` ' AR226-2537 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY Region III 841 Chestnut Building Philadelphia, Pennsylvania 19107 OATS RECEIVED 10-3'tL bnvironmentai omcB In Reply Refer To: (3HW52) CERTIFIED-MAIL RETH1N.RECEIPT REQUESTED W.

AR226-2569 Andrew S Hartten

FOR DU PONT USE ONLY AR226-2755 Copies co E.