AR226-2639 28 romuaniet oy mien balinossi/as/ousons on 11/15/2008 13:33 we TRAR6 -- 26ST - 2 nasousom iBrartsyaoen 1aet?

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.

AR226-2735 TRADE SRfttFT Study Title EVALUATION OF THE BIODEGRADABILITY OF C-8 USING THE MODIFIED STURM TEST (OECD 301 B) Author John T.

% AR226-2789 FOR DU PONT USE ONLY Haskell E.

AR226-2910 FOR DP PONT USE ONLY Copies to Haskell E.

AR226-2948 Performing Laboratory Haskell E.

AR226-2979 u Font HLR 584-92 STATIC, ACVWWWmVNO iNil9,518 TO FATHEAD MIMNOW8.

AR226-2981 DU FONT HLR 879-92 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE STATIC, ACUTE 96-HOUR SCREENING TEST OF H-19913 TO FATHEAD MINNOWS, Pimepftales promelas DISCLAIMER; THIS STUDY WAS NOT CONDUCTED ACCORDING TO FORMAL REGULATORY GOOD LABORATORY PRACTICE STANDARDS.

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Study Sponsor: Issue Date: Document Reference No.: ELFATOCHEM 14-Dec-95 95/SAEK/1372/AMP AR226-3033 Bacterial Growth Inhibition Author(s): A.M.

AR226-3056 Study Title Approximate Lethal Dose (ALD) ofH-21987 in Rats Laboratory Project ID Haskell Laboratory Report No. 783-96 Author Tracy A.

HRR26 _ 323) 403 ARR - 322] DuPont 5990 `TRADE SECRET Study Title with OneH-9-G02e-4n7De6ar8y:aGiaoSvnuabRgceehprrSootnduiudccytTiionoxniRcaEitvtsayluations Volume 3 of 5 Laboratory Project ID: DuPont-5990 TEST GUIDELINES: U.S.

AR226-3342 Bill Berti DuPont Central Research & Development Wilmington, Delaware USA Ths mif'Qcies a/seiencs" BiNing W a n g aDaryl Cobranchi aBarbara Larsen aBogden Szostek BMary Kaiser John Gannon Bob Buck gLisa Sulecki Pat Folsom aMark Starr aChien-Ping Kao gChristopher Bowers aVIadimir Capka OutSSne Background a Intermediates and Products Overview of E-fate studies Physical-Chemical Properties a Water solubility and Vapor Pressure ^ 6-2TBI, 8-2TBI, 6-2TBA, 8-2TBA B Measured vs.

PFOS: A D DIETARY ACUTE MALLARD DUCK STUDY TEST SUBSTANCE Identity:Perfluorooctanesulfonatmea;y alsobe referredto as PFOS or FC-95.

lAbOMtDry ComposiRteport AnalyticaRleportsofData for FluorochemicalAnalysisinHuman Sera LIEMS No. 1623 TestingLaboratory 3M EnvironmentaTlechnology& SafetyServices 3M EnvironmentalLaboratory FluorineAnalyticaClhemistryTeam (FACT) 2-3E-09 935 Bush Avenue, St.PauL MN 55106 Laboratory Cont"t KrisHansen,Ph.D.