ENVIRONMENTAL PHYSICAL/CHEMICAL, FATE, EFFECTS AND MONITORING STUDIES BACK TO COMPOUNDS STUDY TITLE LABORATORY OR DATE AUTHOR COMPLETED TYPE Physical/Chem ical Properties S o lu b ility o f P e rflu o ro -1 - o c ta n e s u lfo n y l F lu o rid e (P O S F ) in W a te r Environm ental Fate andTransport 3M Environm ental Lab 06/12/01 Robust sum m ary, final report Indirect Photolysis of G aseous Perfluorooctane Sulfonyl Fluoride (PO SF) by Fourier Transform Infrared (FTIR) Spectroscopy 3M Environm ental Lab 06/12/01 Robust sum m ary, final report

BACK TO MAIN Study Title Solubility Study of Perfluorooctanesulfonate (PFOS), SD-018 and Perfluorooctanesulfonamide (FOSA), SE-027 in Male/Female Human Urine Data Requirement 40 CFR 160.105(b) Author Mark E.

9n&uM/iuiL B IO - T E S T JaJxm iotiei,, Jnc. 1810 f r o n t a g e r o a d NORTHBROOK.

AR226-1405 / ) R S . 6 -- \ M-OS~ "ATTORNEY-CLIENT PRIVILEGED INFORMATION" .Septeiber 19, 1991 7o: alt Stewart Pro: Terry Vandell Subject: Heetinq Minutes Of The On-Site Washington Works Meeting ( Septeiber 11, 1991, 9:00 AH-11:00 AM ) Regarding The Septeiber 4, 1991 Proposed C-8 Saipling Progra Present: John Doughty, Tony Zichstadt, Wendell Coin, Penny Mahoney, Mike McClusky, Carl Husca, Dave Raisey, Walt Stewart, Terry Vandell o Introduction: Walt Stewart, See Attachient 1 o Cheical Data Results: Penny Mahoney, See Attachient 2 Key Points: Appendix IX constituent levels and presence are inconsistent under the site, whereas the C-8 presence and levelsare uch ore consistent; C-8found at low ppb level on-site in wellsTV27 k T1M4, hut at uch higher levels inwells TW32 and TV33 which arecloser to the oldsupemate ponds(the exactquantitative results fro wells 32 &33 are still pending but arebelieved to be >1 pp). o HistoricalData Results: Mike McClusky, See Attachient 3 Key Points: In 1984 C-8 found <1.5 ppb .25 to 3 iles downgradient fro Washington Works.

*R a 6 _ PERSONAL AND CONFIDENTIAL CC: J .

Attachment 3 VV / W J CANCER PREVALENCE IN SUBJECTS EXPOSED TO PERFLUOROOCTANONIC ACID (PFOA) James Dahlgren MD1, Ayman B iarahimMD* ,2,3,,Raphael Warshaw2, Earpreet Takhar MFH3 4 1.

Attachment 2 Analytical Report Air Sampling Fluorochemical Report DuPont Washington Works - Air Sampling Program Round 7 Exygen Research Report No.

S~~ `A V s\ \j O r1 1 V ?

AR226-2276 E ID 6 7 6 4 2 3 4/16/02 Privileged and Confidential DraftAttorney Work Product Figure 2 OOOSfet 00SM4 psppop^ sio;dao3^[ psqsJsjByVV IP A \ S u p p o n sp p ri singly OOOt'i't' oosew 000t4 00SZW7 doosn* OOSW OOOTt'fe ---- 1-0009* r^ % +V -tTtITf--T -pH -t--l +4-1.

A R 2 2 6 -2 6 2 9 17 t'ft O P f The miracles f science Dordrecht Works C-8 Sampling Summary-Revision 1 Groundwater Sampling Results la r c h 2003 AR226-262 Revision 1 Note: Revision 1 of the Dordrecht Works March 2003 sampling event summary was prepared based on new well constriction information received in June 2003.

AR226-2889 E.

P M A l - }J S O 432 TRADE SEC RET M M - D u P o n t- 11101 Study Title H-25357: Acute Dermal Irritation Study in Rabbits Laboratory Project ID: DuPont-11101 Test Guidelines: U.S.

ftkA .6 _ 32.6A *444 AfOiiL- 3 * 6 ^ W A ter Solubility DuPont report number 12718 Test Guideline(s) OECD 105 (adopted 12 May 1981).

AR226-3380 Perfluorooctanoic Acid: Relationship Between Repeated Inhalation Exposures and Plasma PFOA Concentration in the Rat P.

INTERIM REPORT # 17 - Analysis of Sediment and Water Samples SAmPenaralflllyuMsoiasromoomfcPtaaelnrLeflsiuvuoelfrrooanbnaudtteaSn(mePsFaulOllfSMoM)naaSiomntTnemWiUt(oPaDarlFtiYenSBrge,STrPS)uI,ormToPilLge,UrrESafslmeiundogirmoLehCne/txM,aFnSies/Mshu,SlCfoflnaomarttesh,e(VP3FeMgHeStDa)t,eicoaanntd,ur EPA TSCA GooDd ALaTbAorRatEorQyUPIraRcEtiMceESNtaTndSards 40 CFR 792 JaWWiSPseTih1emsoUts4nht0CDoea0nh:YKeW6SseD1toese0lIasru-Rtr,7otiiP0EnoP1ACn.W-Es3T,1.7a,9OI6ynD31Rc8E.0E INTERIM REPOJuRneT2C9,O2M00P7LETION DATE PERFSOtP3ahR0tEeo5Mxn8CyeIoR:gNlee8lGens1ge4ReaL-,re2AcPs7heBA2aD-Or1c1rR0hi6v38Ae90T1ORY 3MSBTuUi3lMDdiYnCgSo0Pm2Op3a6Nn-S0yO1-RB-10 PShto. nPea:u6l,5M1-7N335-56134744 ExyPgroetnocSotulPdNyRuNOmuJbmEerCb:eTPr:0P0001010311131 Total Pages: 127 Interim Report #17 - Analysis of Sediment and Water Samples Exygen Study No.: P0001131 GOOD LABORATORY PRACTICE COMPLIANCE STATEMENT UPECSSeetxosardiymnfnigldmgpueaaonernrnLdoSytsC,h,tu4e/iFMd0xsiyasbCSnhNe/Fe,MiusnRCumgSll7fabp9omeef2norrsafrbP,toye0rVtm0hE(eP0eexg1Fdye1Hg3ti3aeMnS1tni),co,RoenDanme,nsteipdSectlalmaiePratdcuaenhlrr"cl.fAelMMunwoaaorilmotnyhoismtcioEstarPailonnAfeLgPsiTuvePSlreffrCrolounAgaoanrrtaGdoembo(S,uoP"mtdFanaOcLleolSasnb)uMdoliufranoacmnttWoeamdrtyaeatleP(fPorrS,raFecSBrt3ouiScMim)le,, PErxiyngciepnaRl Iensveeasrctihgator JWSatiuesdsitmyoDnhaiSrKeocleutsotairorinPs,.EIn.