Toxicological Summary PFOS Dietary Chronic Pilot Reproductive Study: Northern Bobwhite Test Substance: Perfluorooctanesulfonate (PFOS) Structure: h1e-pOtcatdaenceasfullufoornoi-cpaocliads,si1,u1m,2s,al2t,.3,C3,A4S.4H,52.57,96,56-,37,973.8,8,8- Test Remarks: METHODS Twhaes steosrtesdubusntdaenrceamibsieantwhciotnediptoiwodnseran(d3pMurLiotyt w#as217d)e.terTmhienedsatmoplbee 86.9% by LC/MS, "H-NMR, and elemental analysis techniques.

AR226-1998 TBENDS IM C-8 IM A-IR LEVELS PEP Area (Composite Avg.) .1980 1.87 PEP Wet Finishing Operator FEP - Bo. 1 Clean Boom Ko. 2 Clean ROOIB Fine Powder Dryer-dperator Fine Powder Dryer Room (Composite Avg.) 0.95 6.80 1.40 3.00 C-8 Tn Mr' (ropb) AEL 0.56 1981 1982 0.32 Mot Calculated 0.30 0.09 3.11 3.54 0.56 2.47 0.15 0.37 1983 0.15 0.11 j . -. 0.19 0.06 0.23 JWR:ldr 10/19/83 10077033

AR226-2024 iMTKHomcis yaaacss.KssBw 90: See Below Bate; Fro; Bept; Tel Ko: lB-Dee-1996 02:35pm ANTHONY J.

AR226-2034 qjir5'"" IT""'^ CHAPMAGA r'" 01/09/98 09:42 AM i To: CC; Subject; MATTSORR OFFENBJL.

TestResults AR226-2119 file:///C|/WINDOWS/TEMP/C-8 Z 2-26-73 (luu 8-12-Sl.hto TestResults Sample Date Range Concentration Range Action Level Industrial Hygiene 2/26/73 OT2/81 100% Sample Dt Sample # Duration Type Employee Name BTO : 04 POWER & SERVICES LOG: 074 INCINERATOR AREA-GENERAL 4/15/81 52165 Z Per?

AR226-2393 C-8 REDUCTION & CONTROL PROGRAMS STATUS R.

AR226-2418 C-8 SAMPLING FORECAST RCRA CORRECTIVE ACTION PERMIT 0 VERIFICATION INVESTIGATION (VI) WORK PLAN - FALL 1991 - WHAT IS THE VI ?

AR226-2498 j 1 "5 i ; |l 1 l 1j "x ifls .

AR226-2555 Robert F Pinchot 05/11/2000 07:31 AM To: co: Subject: David M Rurak/AE/DuPont@DuPont, Michael E McCord/ABDuPontQOuPont, Robert J Cavanaugn/DuPontQDuPont, Luk D'Haenens/EUR/DuPontOuPont, Roger J 21pfel/AE/DuPont@DuPont, Anthony J playtis/CL/DuPontDuPont, Arie sl Vermeulen/EUR/DuPont@DuPont, Gerald L Kennedy/AE/DuPont<aDuPont, William R Berti/AE/DuPont@DuPont, John Gannon/AE/DuPontQDuPont, Robert L Rltchey/CUOuPont@OuPort, Andrew 8 HarttBn/A6/DuPont@DuPont, Susan S Mileti/DuPont@DuPont Andrea V Malinowski/A/DuPont@DuPont, Maurice Astorga/AE/DuPont@DuPont, Richard J Angiullo/AE/DuPontQDuPont, Bernard J Reilly/AE/DuPontQOuPont, Gary W Jepson/AE/DuPont@DuPont PFOA EPA Request As many of you know, the Office of Pollution Prevention and Toxics in the US EPA has requested that DuPont supply a large amount of information on Pertluorooctanoate (PFOA or C-8).

AR226-2610 I I I I I SAMPLING INVESTIGATION RESULTS LITTLE HOCKING WATER I ASSOCIATION WELL FIELD I WASHINGTON COUNTY, OHIO I I Date; April 2003 I Project No.: 7482 18983762.00010 I I CORPORATE REMEDIATIOIM GROUP I An Alliance between DuPont and URS Diamond I Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 I I ASB025862 EID779150 EID779150 I Sampling Investigation Rasute Table of Contents I TABLE OF CONTENTS I Executive Summary........................................ ............................................................

AR226-2687 9 AR226-2687 DuPont EMSE Report No. 18-02 FINAL REPORT Study Title ACTIVATED SLUDGE RESPIRATION INHIBITION TEST OF TELOMER B 8-2 ALCOHOL|QECD 209) ;'., ./'...; Test Guideline OECD (1984) Guideline for Testing of Chemicals, Section 2, No. 209: "Activated Sludge, Respiration Inhibition Test", adopted April 4,1984 Author William R.

AR226-3057 Study Title 100-Person Human Patch Test with H-22056 (Test Item) Laboratory Project ID Haskell Laboratory Report No. 646-96 Study Completed On September 30. 1996 Contracting Laboratory ConTox Limited 3408-50 B Street Philadelphia, Pennsylvania 19134 Author David Gabriel for E. 1. du Font de Nemours and Company Haskell Laboratory for Toxicology and Industrial Medicine Elkton Road.

AR226-3091 DuPontHL-1998-01441 HASKELL LABORATORY FOR TOXICOLOGY AND INDUSTRIAL MEDICINE H-22762: STATIC, ACUTE 96-HOUR SCREENING TEST TO FATHEAD MINNOWS, Pimephales promelas PURPOSE: This is a rangefinding study designed to provide an estimate of aquatic toxicity using fixed test concentrations and data measurements at predetermined intervals.

ARRRE 3307 480 ~~ CHROMOSOMAL ABERRATION TEST RESULTS USING MAMMALIAN CULTURE CELLS EE 1.

Summary PFOS RabbitTeratology StudyNumbers: 3M T-6295.10,Argus418-012 Compound & Lot: PFOS (Perfluorooctanesulfona-teL)ot 217, 98.4% pure (SMD AnalyticalRequest 53030) AnalyticalDocumentation filedalong with finalreport.Note - same lotas used in two-yearrat PFOS carcinogenicitsytudy(T-6295,Covance 6329-183).