ARBRE -- 1416 SAMPLING INVESTIGATION RESULTS LITTLE HOCKING WATER ASSOCIATION WELL FIELD WASHINGTON COUNTY, OHIO Date: April 2003 Project No: 714889283762.00010 am `CORPORATE REMEDIATION GROUP An Alliance between DuPont and URS Diamond Barley Mill Plaza, Building 27 `Wilmington, Delaware 19805 000302, `Samping nvestgatn Resuts ____ Tableof Contents TABLE OF CONTENTS BROUIVE SULIILY consmssmsmsssssmmsmmsmmmns ori 1 TH mmm) EE TO -------- 21 ClO mmm ----) 22 BSrogtoloYommmmmmmmmmmmmmmme------------d 3.0 Sampling APPIOGCh rr wsssmmm----"-- 40 Groundwater Sample Results..............

EnvironmentalNews AR226-1529 Potential explanation for fluorinated compounds' persistence The first assessment of the atmospheric lifetime of an important class of fluorinated chemicals, fluorotelomer alcohols (FTOHs), in- ducers.

ISnudpeexrv2isory Information anual october 26, 1992 To: ALL EMPLOYEES MORTALITY AND CANCER INCIDENCE SURVEILLANCE UPDATES epmrpoldouyceeessIntuaotreWsvapisodhnesioentgattpooenseWmtophrliksosy,Jeeutrhi.entesrioetxseit'csoalEndmopgliyon,yqeueEirpRiieedssempiaoobnlosouintbyl,teheCaanrdheetaeTlteehananofd t"oCacnchearckCoonucterfnrsomatnhdeMTeraiarneingavDaitviiasbiloen.for safety meetings and for individuals dascribinTghethveidTeaottaapsesofrGeafretrhtaondincfaonrmcaetrioinncfirdoenmceaa1m9o8n9g WaesphidienmgiotloongyWroerpkosrt ceommpplaoryeedes.to aTlh)e DruepoPorntt.idncolmuedsetdicdeatmaplotyhereosughin1a98n7.attOeumrptstepolofydeeenstiwfeyreany haaith probleas nesding attention. report IVnecluhdaevse arlelcednetaltyhsrectehirvoeudghan19u9p1daitnetohfe mthoarttal1i98t9y sretpuodryt,.butThecannceewr Ccaosaepsanoynlsyitetsh.rough 1989, due To a delay In the reporting of dita from several of a partIincutlhaersekisntduditehsa,n w1ofulwde bhaeveexpeexcpteerdi,enc1e%d1msorseaiddeWatehshavoeF caannceexrcescsa.sesIf Ceateagroeryf,ortthuennatweeehnaovugehatodefhiacviet.fewKerescpaisnegsitnhmanindextpheactteddefiinciatsceratreaignood and sexicgensisfeiscanatr:s Bad, here are the results that areconsidersdpossibly 1. oIfn 3t7heca1t9e8g9ormioerst,alintaymelsyt:udy,"ovweerahlal,d cdeerfeibcriotvsasfcourlamra,leseumicpildoey,eesandinot4heorut maocrctidaelnittsy.exFceemsaslees fsomrploreeisthemrorgteandleirt.y results were forsal. fare wre no 2. dIenfitchiets199f2n omvoerrtaalllitdyeastthusd,y duepadtahtse,'dumealteoecmaplrosybereosvasstciulllarhdaidsesxisgen,ifaincdant cHsouawitecavigdeoerrs,i.es`w;eThssepheodcweieffdiiccnaieltwlymi,anltethotedaelfsiocctiahtnascreroasfc,cdidereaentsthpssircfaarttooerngyotrchayrnecdeeirsc,aapnpuceneadrreddi.gestive Rwcahonirccteharl.iitnycFleuemdxaeplseerideeenamctpehlsoyoefdeuseourthoawdmoimasemcnoerlwltoarankleeiortusysveacxsacuenssesosr.mianl.Otthheerrweissied,ualthecategory, g RE = 22 ER =2 : i - | Asp010008 Esa ze 3.

Primary Sin Irritation Test wien 3071 n Mbino Rabbits Experiment o.: Conducted At: iViaa conducted By: | JUL 201983 o70e0195 Revievad By: oseazmo0ts SRiakfeertyLaEbvoarlautaotriioens,LabIoncr.atory Se.

AR1L-053% TOXICITY TO AQUATIC PLANTS (E.G., ALGAE) TEST SUBSTANCE Identity: aPlesroflbuoeroroecfteyrrlesdultfoonaasteF,ludoirdoealckyyildaimmemtohnyilaummmodneriiuvmatsiavlet.; may. [1- D1,e1c:a2m22i,n3i,u3,m4,,4N,-5d,e5c,6y,l6-.N7,.N7-,d8i,m8e8t-hhyelp-t,adsaelctawfiltuhoro-1- octanesulfonic acid (1:1), CAS # 251099-16-8] RL-e1m4a3r9k4s:referTrehdet3o Mbyprtohedutcetsitolnablootrantuomrybears was Lot P3025. 1.

AR 226 - 0638 If Aeehng wih 3 on bod svmmanics offoe Name Neandee Seed Kathgy Anitole Geary Oyen Dace [Moors SING Scaring 8 each Ozma Herrmvoe2 Arde, Pbtes - Hatches frac)Kenszedy Colette Hodes - John Butenhoff Michal Somdmo Proll Duda Oagid Monroe Ceprghn Plone EFA 202-20-139( EPA an Sa EVR IM = 4 FR EPH aM 3M eer EPA 202-240-3913 451- 727-P565 7o3-~gl~ox|3 202-26-(259 651- 7728- 7452 20c-260- (355 503-90 -03%F 202-265-1237 U2 2Uel LST 6SF733- 1962.

AR 236- 0657 | N-Et FOSE alcohol Acute Toxicity - | uo !

AR 236 - 072] ALGICIDAL ACTIVITY IESTSUBS~T ~~ ANC0E 000 Identity: A mixture containing perfluorooctanesulfonate, which may also be referred to as PFOS, Octanesulfonic acid) FC-95, (CAS # or as a component 2795-39-3).

AR 226 0793 ASGUEMNMCAYRYFOFRORMIWLOITRAKRYPTEERCFHONROMLEODGFYOARNTDHPERGOECRUMRAENMEGNOTVEORNNFMIERNET EXTINGUISHING FOAM COMPOUNDS FROM MULTIPLE COMPANIES TEST SUBSTANCE Identity: AbemirexfteurrreedcotnotaaisniPnFgOSPe,rfFiCu-o9r5o,ocotranaessualfcoonmaptoe,newnhtiochf FmCa-y20a6ls.o (1-Octanesuifonic acid) (CAS # 2795-39-3).

CrPe0ostwwonetuonPnRsPOlDsUCTS Wimagon Delswwe 9850071) May 31, 1991 AMrr.ionRobert Wilson 1Be1a0r0,GoDvEern1o97r01Lea Road Dear Bob: you eaErnlcileors.ed Tyhoeusewildlocufminedntscopgiievse aofstuhmemadroycuomfentthse Iexhfaauxsetd tgoas choamtposDuitiPoonntanodpevroalteudmetirnicFaierxfhiaeulsdt, raCTt.es Tfhreomteampceoraattiunrgestowtehrat Ftheinovzeonnezo1,nes530werdeegroepeesratFinign aztondeur2,ingantdhe730tesdtegvreeerse 1F80indezgorneees 3.

Precise Research.

r Exygen ProFcoRneseRaerscths. r { - Attachmen2t AL224-1776- Air Sampling Fluorochemical Report | DuPoonntt WWaashsinhgtoinWnoWrorgkks s--t--oAiArinrSaSmapmlpilinngg PiProgram RoRouunndd 5 r Exygen Research Report No.

BACK TO MAIN Study Title Characterization Study EtFOSE-OH, Test Control Reference #SE-035 PHASE: SOLUBILITYOF ETFOSE-OHINWATER, METHANOLA,ND ACETONE Data Requirement 40 CFR 160.105(b) Author Mark E.

3M Specialty Materials 3M Center St.

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