AR226-2503 George Woytowich 0 8 /0 6 /2 0 0 1 0 9 :1 6 AM To: H David Ramsey/SE/DuPont@DuPont cc: Dawn D Jackson/CL/DuPont@DuPont Subject: Re: Lubeck Testing B l (1 ) Yes, 1992 data is. from the New Lubeck location

AR226-2530 JIP RJZ024075 n / vi s\ S \ rT N Sf I* .A- ,lr) ^ ) *\ * >' ^* \ N < it'C V - r4- tA *n r* K' <$. \ \ X V. r\'.; EID944152

AR226-2577 pmarewKNarttift"

AR226-2786 _FOR DU PONT USE ONLY Copie to E. 1. du Pont de Nemours and Co., Inc.

AR226-2977 FOR DU PONT USE ONLY Study Title Delayed Contact Hypersensitivity Test in Guinea Pigs with H-19173 Study Completed On July 17, 1992 Contracting Laboratory Pharmakon Research International, Inc.

P* M AA6 - Z l t f TRADE SECRET DuPont-8837 Study Title H-24616: In Vitro Dermal Penetration Through Rat Skin Laboratory Project ID: DuPont-8837 Test Guidelines: None were applicable Author: William J.

M u t - 3300 482 Accession No.

ftfL&ab-bk i 27 000230 fi(L0.H6 - P R O P O SA L FOR FEASIBILITY A SSE SSU E H T Estim ating Exposure, B iopersistence, and Potential liv e r E ffects front W orkplace Exposures to O rganofluorines: A determ ination o f the feasibility o f appropriate analyses of historical surveillance date Introduction Concern regarding organofiuorine exposure (C-8 etc.) is based on the results of rodent testing.

Katherine E.

(gypp) ^Z.ZZG -3 7 ^ P F ('.m}: *i v/ r n p i fir P-1 DuPont Haskell Laboratory for Health and Environmental Sciences Elkton Road, P.O.

VIA OVERNIGHT MAIL August 12, 2008 Andrea V__________ Corporate Counsel /R22G-33a DuPont Legal Wilmington Office Buildings 1007 Market Street Wilmington, DE 19898 302-774-6443 " el 302-774-4812 Fax andrea.v.malinowski@usa.dupont.com E-mail Document Control Office US Environmental Protection Agency Office of Pollution Prevention and Toxics EPA East Building Room 6428 1201 Constitution Avenue, NW Washington, DC 20004 Re: EPA-HQ-OPPT-2003-0012 PFOA: Water Sample Results - New Jersey Dear Document Control Office: In response to an Open Public Records Act (OPRA) request submitted to the New Jersey Department of Environmental Protection (NJDEP), DuPont received documents containing results for PFOA water analysis from multiple public water districts located throughout New Jersey.

SEVERN TRENT STL STL Chicago 2 4 1 7 Bond Street University Park, !

310 Bank Street Decatur, Alabama 35601 256.353.2910 tele 256.353.3944 fax www.TTyNC.com geotechnical analytical * materials * en v ir o n m e n t a l Decatur.

y \ / U U . 06SI Life Cycle Waste Stream Estimates \j\JW August 2000 Ac3eChnMytattciartlmacleechadtWened"ruaiSfizssauetecalftanuSonrntediraxneetegaescmdtauinmtPEidevasretstfeiulmsuptuhoapmertleoymfscl"cuha,hroeydamriaonoitccefhfadaaelcsmAri:elpiipctUrioaiel.lrsSt2c.pa1oRnr,nede2tpel0faenr0raot0esmod.efbETppyrshootetBidemonauatbtctitjteaeellucl-eswtaivM1age9sete9.eom7fsoPtthrraeiiraastlmw1In:sosfrLtrkioitfuwmet-aebsototh huueEoFsonnifstrwdatiwsimvetme,aravatsaoiatetltpeeakrees,bescrin3auailMnitstwtotsytorauhhmospeeatfpxeseralpreyimnepmaarcnoiilpnhedrylitantemeiricmcnenieazfdefllaonaeutdrctciseaioeteldtnnicartgo.ismweiingnsSaseneeseaaeitrcsnfervuoidicanrnstaet3gdirnsvM,ejteuaatmh,smdmewgpaavmrnaoneorurueptslfunfotaoamtcrcfsctta3teurosusMerefr.iltinieaIn'egnsnsgsspptauolhrrormnoeoecdcpay1uuette9siiscaeoo9strd7nnssissmtdsseaiauupwnlbeberaoossstreuovedfvtqeistegtmuhhhrueeiaeeprnlnetgrpsteestrotsnooapegn1err9dcaa9ttmhsi7o.a,.ns pmcsrceptfmTsFiherntuuoxhrrihouseoonrlnpuoteumfcrldeacectyoeelhorwlulcttennclmuuhsltcylautyaaesryetrssetlsidssdsadeehvtsi.isaonerdssnode.todfbPawetTsspwleh"igttFymexohsruPahtrsOurepaehdatoFifiagscsecdaSilwsOmeeu,cgrhtatisuoopeeSttmsi,iihmesrqmuhttoorPtseeauloswunupdtcqFntiticlhovoamutatOoabt.hrealsiuthfeytaSvelmTiareysvotsraefnheoneiphietlosscstehletoarld,h(asienhysmitsn.ealonhrat,)nssepreevpfTt"rodlPsrchbbereu.hoiteoFieipsaomsiodlbleOsfrio"rtudenmetruohPgeSeceesiccarFniipstgenchnhtaonoOcraaaeadntaodtrnhliSmrdedt"nmidtyestfwhaadiesrpefprtecrfeeeciqoieeeialclortnwceursamleaebnsiidstitdtnedeetvaeaii-tmsituonsdaotcagd.eepanglsaeheecrdlPrsscgittanooeFabhhcoromtp"ldraaOasanseef"nedtlpaSralwCgtiasPotikhs.iisstruF8imneiesaulondRFsOltdmdsaonde1paet.Ssofshpthlq7soiwiaetnuououSafiItnnoemrntienn0tovedhnsds2cppalete.udeyaoiltroprllteiszofmIfogonrslhenodtuoencphypnuttsoerflhoedhtaiceaesrhberototnctmceoaaeettctiaas,tonldlnahsyiyrlreynsibseyisaenasntumoinsdcoacsmtoxiyeethhisphPaycnfg,parnealFPtrotttaadlhiOFsrdttodeteheOuunSapecdtSoyoityo.irfnatnre 3 Final Report Sulfonated Perfluorochemicals: U.S.

fik Z 2 . 6 - 0 S 7 o BIODEGRADATION (BOD/COD) TEST SUBSTANCE_______________________________________________ Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, FC-95, or as a component of FC-780B. (1Octanesulfonic acid) (CAS # 2795-39-3).