BIODEGRADATION ITEESSTTSSuUeBsSTANNCCEE ~~~~~~~0000000 Identity: rPeerffelrueodrotoocatsanPesFuOlSfoAnAy,lamFiCd-o1(2e8thoyrl)aascetthaetem;ajmoarycaolmspoonbeent of [F(Ch-e1p2t7ad,ecFaCf-i1uo2r9o,ocFtCy-l1)s0u9l,foonrylF}C--,1p08o-tXa.ssi(uGmlyscailnt,e,CNA-Seth#y2l9-9N-1- 51-7) iRseamamrixktsu:re ofT4h0e-t4e4st%staemstplseubisstFanCc-e1,273.2%Cuwrarteenrt,i1nf4o%rmaitsioopnroipnadniocla,te4s%it ethanol, and 6-10% C4-C; fluoroalkyl carboxylate compounds.

BIODEGRADATION (Modified MIT Test) TEST SUBSTANCE Identity: 5)[2-(N-Ethylperfluorooctanesulfonamido) ethyl acrylate; may also be referred to as B1228, D-1, EtFOSEA, or FX-13. (2-Propenoic acid, 2[ethyl[heptadecafluorooctyl)sulfonyljaminojethyl ester, CAS # 423-82- Remarks:byMastpeornisalori.s Tanheampubreirtys/odleindt.itRyepofortthelitsetsstssaumbpslteanacse>c9a9nn%o,tabseprovided substantiated.

ATtotxaiccohlmoegnytsSttuodLieetstearntdoOCt.heArueIrnfdoartmeadtiMoanyon25P,F2O00A0 A Teratology 1) Teratology Studyof T-2998CoC in Rats 2) Oral Rangefinder Studyof T-2998CoC in Pregnant Rats, Riker Laboratories, Inc, Study No. 0680RR0018, February 25, 1981 b) IFnicn.alSRteupdoyrtN,oO.r0a6l8T1eTrRatOoLl1o0g,yDSetucdeymobfeTr-1259,91898C1o,CwiitnhRAatmse,nRdimkeerntLatboorFaitnoarlies, Report, December 22, 1981 and Protocol 2) Teratology Studyof T-3141CoC in Rabbits 2) OIrnacl, RSatnugdeyfNion.de0r6S8t1uRdBy0o3f31T-,3N1o4v1eCmobCerin18P,re1g9n8a1nt Rabbits, Riker Laboratories, b) Final Report, Laboratories, Oral Inc., TSetruadtyoNloog.y0S6t8u1dTyBo0f3T98-,31F4e1bCruoaCryin2R3a,bb1i9t8s2, Riker ) 3WiMntIenrtetomaDlRCoRrircekserp,onddaetnecdeFreebraunaalryyti5c,al19a8n2alyses of T-3141CoC, from LD 3) Letter re `Franklin fDu.rtGhreifrftietsht,idnagtferdoNmoEv. eMmabresrha1l9l, Johnson, 1982 Jefferson Medical College to Dr. 4) M3aMyM2e6,mo199re8,FeCn9c5laonsdian1n4g3aTnearlaytsoisloofgty,hefreoymeMlaenrsvdCeafescetto Georjean Adams, dated . 7 02025 oral rangefinder Study of T-2996CoC in Pregnant Rats Experiment No.: Conducted at: Dosing Period: Study Director: ossorso018 RSitk.ePrauLla,borMaitnonreiseost,a Inc.

FINAL REPORT PROTOCOL 418-008 PERCIONMABTIANLE/DPOOSRTANLAT(AGLAVRAEGPER)OFDEURCTITLIIOTYN,TDOEXIVCEILTOYPSMTEUNDTYALOFANPDFOS INRATS SPONSOR'S STUDY NUMBER: 6295.9 FINAL REPORT DATE: 10 JUNE 1999 50133 PROTOCOL 418-008 COMBINED ORAL (GAVAGE) FERTILITY, DEVELOPMENTAL AND PERINATAL/POSTNATAL REPRODUCTION TOXICITY STUDY OF PFOS IN RATS SPONSOR'S STUDY NUMBER: 6295.9 TABLE OF CONTENTS SUBJECT I.

AR 226-082 MICROBICS MICROTOX TOXICITY TEST TEST SUBSTANCE Identity: ArefmeirxrteudretocaonstPaiFnOiSng, pFeCr-f9l5uo,roorocatsanaesculfoonmatep, woohfinFchC-em2a0ny6CatEl.so be (1- Octanesulfonic acid) (CAS # 2795-39-3).

Se Ce . 1. ousPanoeBofpraNeonunas& 1C9o5m8pany wo nso om EA wAeB. .

AR226-1751 STUDY TITLE Extraction of Potassium Perfluorooctanesulfonate from Quail Serum and Quail Liver for Analysis Using HPLC-ElectrosprayMass Spectrometry DATA REQUIREMENTS Analytical Method Requirements STUDY DIRECTOR Sean Gallagher STUDY COMPLETED ON September 06,2001 -F'ERFORMING LABORATORY / TESTING FACILITY Centre Analytical Laboratories, Inc.

BACK TO MAIN ACUTE TOXICITY TO FISH (FATHEAD MINNOW) TEST SUBSTANCE Identity: Perfluorooctanesulfonylamido(ethyl)acetate; may also be referred to as PFOSAA, FC-128 or as the major component of FC-127, FC-129, FC-109, FC-109-X, FC-4351, or L-6778.

L P h o n e : (814) 231-8032 BACK TO MAIN Fax: (814) 231-1253 or (814) 231-1580 Analytical Report Fluorochemical Characterization of Sediment, POTW Sludge, and Landfill Leachate Samples Decatur, AL (W1979) Centre Analytical Laboratory Report No. 023-014R (Revision 1) Revision Date 3/28/01 Testing Laboratory Centre Analytical Laboratory, Inc. 3048 Research Drive State College, PA 168011 3M Environmental Laboratory Contact Kent R.

33.1 Gunersl Offices 3bl Cznter S t .

CLIENT ID: sakmp* Drn"*: Blank Data FS.name: Cd.

AR226-2354 DuPont 2004 Multi-Media Sampling Plan WV and OH January 15,2004 rn x Q 0 0 0 w2> .o 0 January 15,2004 DuPont "Phase T Media to be Sampled by DuPont in 2004 in WV and OH Air Private Water Sources Public Water Sources Soil Biota |T) [above listing excludes sampling required by permit] 0 0 0 2 January 15,2004 ^p^ .^8r DuPont Washington Works Area Air Modeling/Sampling Completed - Air dispersion modeling completed and updated for ambient air concentrations (Time periods: y 2002 and 9/02 - 8/03, AR226 and ECA docket) In-progress - Fence line sampling in progress to compa results from ambient air sampling and air dispersion modeling to understand how modeling predictions relat measured ambient air concentrations S -0 o January 15,2004 (0 N) DuPont Air Objective: Compare results from ambient air sampling to air dispersion modeling.

WASHINGTON WORKS - PERMIT WV0001279 TREATED SUPERNATE DISCHARGE THROUGH FILTER SYSTEM (Letter, R- L Rilchey to Ms.

AR226-2576 GIST Telephone Conference Minutes January 30,2002 Participants Dave Watkins- WVDBP George Dasher - WVDEP Don Criss-WVDEP Dr.

AR226-2636 24 AR226-2636 MARCH 2003 2ND ROUND C-8 SAMPLING DUPONT FAYETTEVILLE WORKS FAYETTEVILLE, NORTH CAROLINA Date: June 2003 Project No.: 18983753.00037 CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 Wilmington, Delaware 19805 March 2003 2nd Round C-8 Sampling Introduction On March 27th 2003, gromidwater was sampled from four monitoring wells at the DuPont Fayetteville Works, m addition, a combined surface and wastewater sample was collected above Outfall-002.