I S0016494 4 d UPERFUN

D RECORD S 

### Recor do f Decisio n RemedlTTAlternativ e Selectio n
Site ; Rosali e an dCallaha nProperties , Elllsvlll e Are a SU ? ElHsvllle , St . Loui s County , Missour i Document s Reviewe d I hav e reviewe dth e followin g document s describin g th e cost-effectivenes s o f remedia l alternative s fo r th e Rosali e Propertie s a t th e ElHsvlll e Are a Site
.

--Studytitle d"Remedia l Feasibilit yStudy , ElHsvlll e Hazardou s Wast e Disposa l Site , ElHsvllle . Missouri, " Septembe r 28 , 1983 . --Stud ytitle d"Remedia l Investigation , ElHsvlll e Hazardou s Wast e Disposa l Site , Elllsvllle , Missouri, " Septembe r 21 , 1983 . --Draf t studytitled , "Descriptio no f Curren t Situation , ElHsvlll e Hazardou s Wast e Disposa l Site
. ElHsvllle . Missouri, " Augus t 30 . 19H? . 

### --Summar yo f Remedia l Alternativ e Selectio n --Staf f summarie s an drecommendations
. --Recommendatio nb yth e Missour i Departmen t o f Natura l Resource s Descriptio no f Selecte dRemedy A . Jea nElle nCallaha nPropert y

w ! Aremedia l actio n shoul d b e Implemente d fo rth e Jea n E propert yt o contro l erosio n an d slippag e o fth e fil l are a excavate d durin g th e 1981-8 2 Immediat e remova l actio n an d t vestige s o ftha t action

. Th e remnant s o fth e plasti ccove r fil l are a an d th e cover' s hold-dow n block s shoul d b e removp i of

. Th e soi l 1 n th e fil l are a shoul d b e sprea d an d regrad e slop e ove ra large rare a an d covere d wit h a compacte d soi l shoul d b e reseeded

. Th e barbed-wir e fenc e aroun d th e fil l chain-lin k

fenc e aroun d th e tw o dru m storag e area s shoul d b salvaged

. Th e grave l 1 n th e tw o dru m storag e area s shoul d fo rpossibl e salvage

. Th e preliminar yopinio n o fprobabl e actio n 1 s $12.000

. 

### analysi s o f an dCallaha n

l e nCallaha n er e drum ? wer e iremov e th e ove r th e an ddispose d t o a stabl e aye r whic h 

### re a an dth e remove dan d Is o b e remove d os t fo r thi s remedia lB

. Rosali e Investmen t Compan yPropert y

Th e mos tcost-effectiv e remedia l actio n - - offslt e dlsp o soil , burle d drums , can s an d othe rdebri s shoul d b e Implemen t Investmen t Compan yproperty
. Contaminate d soi l shoul d b e ex c location s o n th e propert yan d transporte d 1 n bul k t o a n offs l hazardou s wast e disposa l facilit yoperatin g unde rRCR Apermi t meetin g CERCL Aoffslt e policy

. Dru m Hds , can s an d othe rde b fro m thre e location s o n th e propert yan d place d 1 n drums

. R u excavate d an d overpacked , wit h th e dru m content s sample d an d shoul d b e dispose d o fa t a n offslt e commercia l disposa l fad l RCR Apermi t o rInteri m statu s an d meetin g CERCL Aoffslt e pol l testin g an d analysi s t o verif yth e effectivenes s o fth e clea n shoul d b e place d an d compacte d 1 n th e excavate d areas , wit h a 

## reseeded . SbZ.OOO . Th e preliminar yopinio no f probabl e cos t fo r thi s Declaration s Consisten t wit hth e Comprehensiv e Environmenta l Respons e 

### Liabilit yAc t o f 1980 , an dth e Nationa l 01 1 an dHazardou s Su b Pla n(4 0 CF RPar t 300) , I hav e determine dtha t a t th e Rosali e Property , th e excavatio no f contaminate dsoil , burle ddrums , 

### an doffslt e disposa l a t a nappropriat e commercia l disposa l unde r RCR Apermi t o r Interi mstatu s an dmeetin g CERCL Aoffsl t 

### a nappropriat e leve l o f cleanup . A t th e Jea nElle nCnllaha n determine dtha t erosio ncontro l o f th e fil l are a an dremova l 

### vestige s o f th e Immediat e remova l actio nprovide s a nappropr l 

### Th e action s take nar e cost-effectiv e remedies , an dthe y mitigat e an dminimiz e damag e to , an dprovid e adequat e protec t 

### welfar e an dth e environment
. I hav e als o determine dtha t th e appropriat e whe nbalance dagains t th e nee dt o us e Trus t Fun d I naddition , th e chose nremed yfo r th e Rosali e Investmen t wit hth e requirement s o f Sectio n101(24 ) o f CERCL Abecaus e mor e cost-effectiv e tha npotentia l onslt e remedie s an d healt han dth e environment
. 

### necessar y



## JU L 1 0 198 5 /Si Dat e Morri s Ra y Regiona l Adm1n1st i 

### Regio nVII , ER A 

### a l o f contaminate d

» dfo r th e Rosali e jvate dfromtw o 

### e commercia l o r Interi mstatu s an d •1 s shoul db e remove d 

### •le ddrum s shoul db e .ested . Th e drum s 

### t yoperatin g unde r 

## :y . Followin g soi l p , borro wsoi l 

## 1 disturbe darea s emedla l actio n1 s


### Compensatio nan d tance s Contingenc y Investmen t Compan

y :ans andothe r debri s 

### 1t yoperatin g polic yprovide s 'roperty , I hav e 

### ) f the onslt e >t e leve l o f cleanup . 

### an dreliabl y o no f publi c health , action s take nar e noneya t othe r sites
. Propert ycomplie s 

### fsit e disposa l 1 s t o protec t publi c fad l

effectivel y
Co r>an y o f

ato rSUMMAR YO F REMEDIA LALTERNATIV E SELEC T ELLISVILL E ARE ASIT E ROSALI E AN D CALLAHA N PROPERTIE S SIT E LOCATIO N AN D DESCRIPTIO N Th e Elllsvlll e Are a Sit e 1 s locate d 1 n wes tSt

. Loui s twent ymile s wes to fdowntow n St

. Louis , Missouri

. Th e si t Missouri , 1 n Section s 3 1 an d 32 , Townshi p 4 5 North , Rang e 4 Attachment s A- l an d A-2

. Th e sit e 1 s comprise d o fthre e non-contiguou s propert l one-mil e stretc h alon g th e watershe d o fCaulk s Creek , a tr l whic h enter s th e Missour i Rive rabou t on e mil e upstrea m o f waterwork s Intake

. Th e populatio n withi n a one-mil e radiu s Imatel y1,000

. WHhl n a three-mil e radiu s th e populatio n 1 an d withi n fiv e mile s th e populatio n Include s 8,00 0 t o 10, 0 1 s bein g rapidl ydevelope d a s a residentia l community

. Mo m s 1 n subdivision s a s wel l a s o n singl e lots

. ( ounty , Missouri , abou t lie s wes to fElllsvllle , •ast , a s show n I n s whic h H e withi n a utar yo fBonhonm e Creek , Cit yo fSt

. Loui s o fth e sit e 1 s approx clude s 5,00 0 peopl e 0 people

. Th e are a ar e bein g constructe d "Rosali e Sit e On e o fth e propertie s whic h compris e th e sit e 1 s owne d Company , a St

. Loui s Count ylan d developmen t concern . Th e locate d approximatel y0. 4 mile s southwes t o fth e Intersect l an d Strecke rRoa d west
. Ahousin g developmen t owne d an d o p Company , know n a s th e Villag e o fWindin g Trails , occupie s a 85. 6 acr e site

. Th e actua l siz e o fth e contaminate d areas , o f100-foo t buffe rzones , 1 s 4.1 1 acres . "Callaha n Sit e Th e Callihai i sit e 1 s comprise d o f8.0 2 acre s locate d a fee t wes to fth e corporat e limit s o fth e Cit yo fElllsvlll e * pond , larg e bar n an d larg e woode d are a ar e th e SIT E HISTOR Y O n th e mornin g o fJul y17 , 1980 , a contracto rfo rth e Sewe rDistric t (MSD ) encountere d burle d drum s whil e excava t lin e 1 n a semi-rura l are a abou tone-hal fmil e wes to fElH s drum s wer e reporte d t o th e Missour i Departmen to fNatura l th e U.S

. Environmenta l Protectio n Agenc y(EPA ) emergenc yr sam e day

. Apreliminar yInvpstlgatlo n b yMON Kan d HS D o f» know n a s th e Rosali e Investmen tCompan yproperty , Indicat e threa t t o publi chealt h an d th e environment

. Subsequentl y Identifie d b yInformant s o rconcerne d citizens

. Th e othe r O N

b yRosali e Investmen t ropert yI s no f Clayto nRoa d 

### rate db yRosali e 

### majo r portio no f thi s Inclusiv e
proxlmatel y1,00 0 Missouri
. fea t ire s o f th e property .

t . Loui s Metropolita n 

### Ing for a newsewe r vllle , Missouri
. Th e fesource s (HOUR ) an d spons e group s tha t site , whic hbecam e 

### a potentiall yseriou s tw o othe r area s wer e area s ar e know na sth e Callaha n $1t e an d th e Blis s site

. Containerize d an d bul k Hpul d an d soli d waste s wer e dispose d o fo n thes e thre e propertie s reportedl ydurfn g th e 1970s

. Th e type s o fwaste s Include d solvents , oils , sludges , pesticide s and ] flammabl e gelatenou s 

### materials

. O n Octobe r23 , 1981 , EP Aannounce d tha t th e ElUsvlll e Are a Nationa l Prioritie s List

. MDN R ha d applie d fo rfedera l asslsta r 1981

. Acooperativ e agreemen twa s awarde d t o th e Stat e o n Marct 

### Sit e wa s o n th e c e o n Septembe r25 , 17 , 1982 , unde r CERCLA

. Th e objectiv e o fth e cooperativ e agreemen twa s t o undertak e a remedia l 

### Investigation/feasibilit ystud yan d t o Implemen tappropriat e remedia l actions

. Th e sit e Investigatio n proceede d 1 n fou rphases

. Th e purpos e oj Phas e I , th e 

### ful l fiel d Investigation , wa s t o characteriz e th e waste s an d defin e th e exten t 

### o fcontaminatio n stil l remainin g a t th e site

. Th e purpos e o fPllas e II , th e feasibilit ystudy , wa s t o determin e remedia l action s fo rth e $ 1 cost/benefi t analysi s an d recommen d a preferre d alternative

. P wer e complete d b yBlac k AVeatch

. O n Septembe r28 , 1983 , th e F wa s released

. Phase s II I an d I V wil l b e engineerin g desig n an d tatlo n o fth e preferre d remedia l alternative s Identifie d 1 n Ph a A

. Rosali e Investmen t Compan yPropert y 

### e , conduc ta as e I an d I I as1bH1tyStud y Implemen -
, e II

.
Fou rdumpin g area s containin g ove r20 0 drum s an d one - an d Hve-gallo n bucket s o fchemica l waste s hav e bee n discovere d o n th e property] , som e o fwhic h wer e leakin g waste s Int o Caulk s Creek

. Som e o fth e drum s wer e remove d fro m on e o fth e area s 1 n Augus t1980 , usin g federa l fund s availabl e throug h Sectio n 31 1 o fth e Clea n Wate rAct

. O n Augus t6 , 1980 , th e U.S

. Coas tGuarM-Karln e Safet y Offic e contracte d wit h Wester n Environmenta l Service s fo rremova l an d disposa l service s o f4 b (som e report s sa y47 ) drum s suspecte d o fcontainin g hazardou s materials

. O n Augus t8 , 1980 , remova l wa s complete

. Th e remainin g drum s containin g tras h fro m thi s are a wer e remove d an d dispose d a t til e expens e o fth e Rosali e Investmen t Company

. Th e remainin g thre e area s wer e d e Ineligibl e fo rSectio n 31 1 funds

. I n Jun e 1981 , th e Stat e o f on e hundre d fifty-thre e (153 ) drum s fro m tw o o fth e remainin g The ywer e transporte d t o th e Environmenta l Emergenc yService s Chesterfield , Missouri , fo rtemporaryoffsit e storage
. Th e d r unde ra MDN R emergencystorag e permi t unti l arrangement s coul d disposa l a t a Subtitl e C facUUy

. Th e MDN R applie d fo rInteri m statu s fo rth e facility

. I n Ma yan d Jun e o f1982 , th e 15 3 drum s wer e transpcrte d t o tw o license d disposa l facilities

. Drum s containin g solid s wer e t r Hom e Servic e (BHS ) 1 n Wrlgh t City , Missouri , transporte d t o ENSC O 1 n E l Dorado , Arkansas

. Drum s containin g ermlne d t o b e Missour i remove d .hre e locations

. EES ) facilit y1 n jm s wer e store d b e mad e fo r

O n Jul y7 , 1982 , Blac k AVeatch , Woodward-Clyd e Consult a personne l visite d th e Rosali e propert yt o vie wth e fou rdump < drum s wer e seen , bu tdru m lid s an d tras h wer e observed

. O n ansporte d t o Bob' s liquid s wer e
t s an d MDN R g locations

. N o gus t 30 , 1982 ,Blac k

AVeatc h state d 1 n 1t $ "Draf t Descriptio n o fCurren t S 1 

### tha t al l o fth e container s foun d t o dat e o n th e Rosali e sit e fro m th e propert yan d dispose d of

. However , the yfel t tha t p contaminate d soi l remaine d o n th e propert ya t th e fou rlocat l Betwee n Decembe r198 2 an d February1983 , a remedia l fle l wa s conducte d a t th e ElUsvlll e Are a Site

. Thi s 1nvest1gat1 o Blac k & Yeatc h unde rcontrac t t o ERA

. Th e objectiv e o fthi s collec t dat a t o suppor t th e feasibilit ystud yfo rth e ElHsv l th e cours e o fth e Investigation , a reconnaissanc e wa s conduc t thre e properties

. Water , wast e an d ai rsample s wer e obtaine d chemica l analysis

. 

### A n offslt e Investigatio n wa s als o conducte d t o evaluat e migratio n o fwaste s fro m th e thre e ElUsvlll e site s an d t o o b hel p asses s potentia l Impact s o n huma n healt h resultin g fro m fro m thes e sites

. Th e offslt e Investigatio n wa s conducte d 1 n firs t phas e o fth e Investigatio n wa s th e samplin g o ffou rdorm wate rwells

. Th e secon d phas e wa s th e collectio n o fsurfac e fiv e location s o n Caulk s Creek

. (Fo ra detaile d assessmen to Attachmen t B-2 : Remedia l Investigation , Volum e I : Summar yRe p 1983 , p p 3 9 an d 40. ) B

. Jea n Elle n Callaha n Propert y *j n fcuguV l YV#o , YfcWf creceVve i * repor t tfootft puV

t ftump^i T property
. A n Investigatio n o fth e Callaha n propert ywa s con d Septembe r1 6 an d 17 , 1980

. Th e purpos e o fth e Investigatio n th e propert yha d bee n use d fo rth e disposa l o fhazardou s wast « leas t tw o Informants

. Th e Investigatio n wa s conducte d onl y0 1 th e property
. N o excavatio n wa s done

. Th e Investigatio n rev < uatlon " report a d bee n remove d tentlall y ns . Investigatio n wa s performe d b y nvestlgatlo n wa s t o l e Are a Site

. Durin g 

### d a teac h o fth e an d submitte d fo r 

### otentla l offslt e 

### a1 n Informatio n t o ast e migratio n tw o phases

. Th e stl cdrinkin g ate rsample s fro m data , refe rt o rt , Septembe r21 ,

o n Yrre cte d b yMDN R o n a s t o determin e 1 f 

### a s allege d b ya t th e surfac e are a o f ale d thirty-eigh t (38 ) 55-gallo n drum s eithe rprotrudin g fro m a fille d ravin e o 1 belo wth e fille d area . Positiv e response s fro m a meta l detecto rwer e recordedlove rth e entir e fil l area . Probin g th e soi l wit h a meta l ro d Indicate d burle fmetalli c 

### ey s sout ho f objects
. Fou r additiona l drum s wer e foun dexpose d1 nth e va l th e fill
. I nlat e 198 1 an dearl y1982 , a nImmediat e Remova l actio n propert ywa s Initiate dbyMDN Ran dcomplete dbyEPA . O nDecenbe r 14 , 1981 , MDN R 

### obtaine dacces s t o th e Callaha npropert yan dInitiate dexcav a 

### a t th e Callaha n drums , usin g stat e funds . Th e Stat e o f Missouri' s contracto r Emergenc yServices
. I t becam e apparen t t o MDN Ro nDecembe r 1 

### additiona l fund s wer e neede dfo r cleanu p whe nth e origina l e s burle ddrum s Increase dt o aroun d1,000 . MDN Rrequeste dassl s anc e fromEP A Regio nVI I o ntha t date . A nEP AInspectio ntea mvisite dth e 

### 1o no f burle d wa s Environmenta l

, 1981 , tha t 

### 1mate s o f 20 0 1t e o nDecembe r 1 8

### andreporteda nImminen t hazar dt o publi c healt handth e envlr o



## Regio nVI I submitte da nImmediat e Remova l fundin g reques t t o E o nDecembe r 24 , 1981 . OnDecembe r 30 , 1981 , ER Aannounce dthe $210,00 0 o f Superfundmoney . EE S signe da contrac t wit hER Aa n an dstagin g activitie s o nJanuar y4 , 1982 . Atota l o f 90 7 dru storag e eithe r o nth e propertyo r a t BH S a t th e endo f Januar y onslt e dru mstorag e area s wer e secure dfro mpubli c acces s wit h 

### fencing
. ER

Aapprove da nadditiona l $100,00 0 o nJanuar y27 , 1 9 estimate dnumbe r o f drum s Increase dt o 1300 . >nt . ERA 

### Headquarter s |va1 labilit yo f resume dremova l 

### wer e 1 nsecur e I982 . The tw

o 

### hal nlin k 

### [2 , afte r the Th e drumremova l actio nwa s complete do nFebruary18 , 1982 1 On e thousan d tw o hundre dandfiv e (1205 ) drum s wer e excavated . Atota l o f 61 3 drum s containin g liqui dan dsoli dwaste s wer e place dInsid e recoveryarum s an dstore d 

### onslte . A

nadditiona l eigh t (8 ) drum s containin g waste s fro mtji e Immediat e Remova l wer e als o storedonslte . Th e remainin g 59 2 drum s wer e place d 1 nbul k disposa l container s anddispose do f a t BHS . Atota l o f authorize db

yER Afo r thi s remova l action
. Approximatel y$374 , 

### b yER Aandth e State . Approximatel y50 0 cubi c yard s o f potent l 

## soi l wa s place dbac k 1 nth e excavate dare a andcovere dwit hpl a $310,00 0 wa s DO O wa s expende d 

### ill ycontaminate d stl c sheets . OnJun e 30 , 1982 , 1 t wa s reporte dtha t a larg e portio no f kh e backfille d 

### soi l ha dsli dfrombeneat hth e plasti c cover . Blac k XVeatch , Woodward-Clyd e Consultant s andMDN Rpersonne l visite dth e Callaha npropert yo nJul y7 , 198 2 t o vie wth e drums , th e drumstorag e areas , th e excavate dan dbackfille dare a an dth e backfil l slide
. Th e excavate dan dbackfille dare a wa s enclose dbya barbed-wir e fenc e o nJul y21-22 , 1982 . Fro mJul y21-27 , 1983 , Environmenta l Emergenc yService s r - 

### o f th e 62 4 drum s o f hazardou s wast e store donslt e a t th e Cal l a 

### tota l contractua l cos t o f the remova l wa s $87,360
. CURREN T SIT E STATU S 

### Areconnaissanc e wa s mad e o f th e Jea nElle nCallaha npro p Remedia l Investigatio no nDecembe r 2 8 and 29 , 1982 , t o obtai n 

### preparin g a nestimat e o f th e volum e an dphysica l an dchemica l are a whic hpreviousl ycontaine ddru mwastes . I t wa s note dt h whic hha dbee nplace dove r th e fil l are a wa s severel ytor no r samplin g wa s conducte d1 nfou r genera l area s o nth e Callaha n 

### area s were : 1 ) 1 nan daroundth e existin g fil l area , 2 ) th e t areas , 3 ) surfac e wate r dralnageway s locate ddowngradlen t o f 

### 4 ) a potentia l borro ware a fo r th e constructio no f a surfac e th e nort hsid e o f th e site
. (For a detaile dassessmen t o f t h Attachmen t B-3 : Remedia l Investigation , Volum e I : Summar yR e 1983 , p p 28-30. ) 

### move dan ddispose d 

### a nSite
. Th e

>rt ydurin g th e nformatlo nusefu l 1 n atur e o f th e fil l th e plasti c tar p 

### islntegrated
. Soi l 1te . Thes e fou r 

### o fence ddrumstorag e h e fil l area , an d 

### «p , locate da t 

## s data , refe r t o ort , Septembe r 21 ,Th e Remedia l Investigatio n conclude d tha t th e soi l I n t h

drum s wer e excavate d durin g th e 1981-82 remova l actio n wa s p an d susceptibl e t o erosion

. I t wa s als o determine d tha t so l 

### area s o n th e Callaha n propert ywa s no tcontaminated

. Th e re TM th e Callaha n propert y1 s t o stabiliz e th e soi l mas s a t U s p remov e th e vestige s o fth e Immediat e Remova l actio n a t th e s remova l an d salvag e o fth e chain-lin k an d barbe d wir e fenc e th e tw o dru m storag e area s an d remova l o fth e plasti ccove r blocks

. fil l are a wher e slcall yunstabl e a t th e dru m storag e »d1a l objectiv e fo r ?sen tlocatio n an d t o e . Thes e Includ e i d th e grave l use d 1 n i d It s hold-dow n Areconnaissanc e surve ywa s conducte d durin g th e Rened l the Rosali e Investmen tCompan ypropert yon Januar y6, 1983

. 

### reconnaissanc e were : 1 ) t o defin e a rout e o facces s t o th e f o location s o n th e Rosali e Site , 2 ) t o Identif yeac h o fth e fo u location s o n th e Rosali e Site , 3 ) t o mar k th e approximat e 1 locations , an d 4 ) t o not e an yremnant s o fpas tremova l actl v wa s performe d o n th e sit e a t th e fou rwast e disposa l locatlo r locate d downstrea m o fth e locatio n designate d a s ELL-02 , an d th e forme rnurseryoperate d o n th e Rosali e property
. Asur f obtaine d fro m a standin g poo l o fwate rlocate d 1 n a ditc h do w ELL-01

. (Fo ra detaile d assessmen to fthi s data , refe rt o A t Remedia l Investigation , Volum e I Summar yReport , p p 33-37. ) analysi s fo r2,3,7,8-TCD D wa s performe d b yEnvlrodyn e Englne e th e soi l sample s collecte d fro m th e Rosali e Investmen t Comp a 8-TCO D wa s detecte d a t a 1 pp b detectio n level

. Th e foi l ow l relate d problem s wer e Identifie d o n th e Rosali e Investmen t ELL-0 1 - - Contaminate d soi l susceptibl e t o erosion ; Locatio n contaminate d soil ; ELL-0 3 —1-gallo n can s an d dru m debris ; 5-gallo n cans . Contaminate d soil s wer e detecte d a t Locatio n ELL-0 1 ov e 36 0 squar e fee t extendin g t o a dept h o ftw o feet

. Contamlna ' detecte d a t Locatio n ELL-0 2 ove ra n are a o f145 0 squar e fee t dept h o ffou rfeet

. Contaminant s detecte d a t thes e tw o loca ' summarize d 1 n Table s R- 4 an d R- 6 o fth e Remedia l Invest1gat 1 I n addition , burle d drum s possibl ycontainin g hazardou s subs ' Identifie d a t Locatio n ELL-02

. Location s ELL-0 1 an d ELL-0 2 directl y1 n surfac e wate rdrainag e ditche s whic h ar e trlbut a Caulk s Creek

. Undercuttin g o fcontaminate d soi l layer s ha s observe d a t Locatio n ELL-01

. Priorit ypollutant s 1 n exces s qualit ycriteri a fo rprotectio n o fhuma n healt h an d fo rtox l freshwate raquati clif e hav e bee n detecte d 1 n surfac e wate r bot h th e Callaha n an d Rosali e properties

. Areleas e o fhazardou s substance s t o th e environmen th a th e Rosali e property
. Contaminant s detecte d Includ e substa n an d moderat e toxldty

. Highl ytoxi csubstance s detecte d o n 

### Investigatio no n h e purpose s o f thi s r wast e disposa l 

## • wast e disposa l 1nIt s o f thes e fou r 1es . Soi l samplin g


### , 1 na dr ypon d na portio no f e wate r sampl e wa s streamfrom achmen t 8-1 : 

### addition , a specia l s o na composit e o f property . No 2,3,7 , i hazardou s wast e Ccfnpan yproperty : Locatio n LL-02- - Drum s an d i d Locatio n ELL-0 4 - -


### a nare a o f dsoil s wer e 

### an dt o a on s ar e n(attachmen t B-4) , 

### nce s wer e 

### r e locate d e s o f e n visuall y ER Awate r t yt o ample s fro m bee n observe d a t e s o fhig h h e Rosali e propert yInclud e pheno l an d 4-methylpheno l (4-cresol)

. Moderatel yt o

1 n th e Rosali e propert yInclud e o-xylene , toluene , ethylhen z Thes e toxi csubstance s ar e highl ymobil e 1 n soi l an d coul d 

### groun d water
. 1csubstance s detecte d en e an d napthalene

. pctentlall ymigrat e Int o
; c roc k Th e ElUsvlll e Are a sit e 1 s underlai n b ya limeston e b e know n a s th e Burllngton-Keoku k (B-K ) Formatio n havin g a thicknes s 17 0 fee t 1 n th e region

. Thi s bedroc k exhibit s hig h wate rpermeab l solution-enlarge d Joints

. Th e patter n o fthes e joint s 1 s gererall y an d highl yunpredictable

. I n consequence , surfac e wate rflo* s (groun d wate rrecharge ) an d reappear s o n th e surfac e (groun d 

### a t othe rlocations

. A t th e Rosali e property , thi s bedroc k 1 s 25-3 0 fee t o fmoderatel ypermeabl e soil

. Th e bedroc k a t th e overlai n b yapproximatel y5-1 0 fee t o fmoderatel ypermeabl e s wate r1 s estimate d t o rang e fro m 7 0 t o 14 0 fee t a t th e Callafa n surfac e t o 15 0 fee t a t th e Rosali e site

. Th e bedroc k aquife r recharg e fro m Infiltratio n an d percolatio n o t pretfp^tatYon

. Formatio n underlyin g th e B- Kformation s ma yac ta s a aqulta r Impermeability

. uni t o fapproximatel y Ht yalon g 

### rando m Int o th e bedroc k wate rdischarge ) overlai n b yapproximatel y allaha n propert yI s oil

. Dept h t o groun d sit e an d fro m nea r s receiv e substantia l Vn e Yowe rTer n tTie n becaus e o fIt s relativ e Bot h th e Callaha n an d Rosali e propertie s ar e locate d 1 n mil e Caulk s Cree k

watershed

. Caulk s Cree k ha s bee n classU l strea m b yth e Missour i Departmen to fNatura l Resources/0 1 vi s an d Lan d Survey

. Som e o fIt s tributarie s als o appea rt o b e Du e t o th e losin g natur e o fth e streams , wate rca n disappea r be d an d eithe rreappea ra t th e surfac e o rInterflo wwit h gr o thi s mechanism , contaminant s whic h ar e Introduce d Int o Caul k t o ente rth e highl ypermeabl e alluviu m 1 n th e be d o fCaulk s ente rth e groun d water
. Groun d wate r1 s a n Importan t resourc e o fth e region

. I tha t ther e wer e 7 0 well s 1 n th e Caulk s Cree k watershed , som e potabl e wate rsupply

. Man ydomesti cwell s reportedl yexis t ElUsvlll e Are a site

. Som e o fthes e well s utiliz e th e B- Ko a s thei rsourc e o fpotabl e water
. B yth e processe s describ e whic h ente rCaulk s Cree k an d U s tributarie s coul d potentia l contaminatio n o fprivat e domesti cwell s 1 n th e area . A s a s contaminant s 1 n contac t wit h th e B- Kformation s o rthei rre s wate rthroug h fluctuatio n o fth e wate rtable , loca l saturat l heavyrunoff , o rInfiltration , ar e likel yt o ente rth e grou n ENFORCEMEN T Initially , Regiona l enforcemen t effort s wer e directe d responsibl e part ycleanu p o feac h o fth e thre e propertie s c o are a sit e simultaneously

. Followin g Identificatio n o fth e s searc h wa s conducted

. Informatio n obtaine d a s a resul t o ft th e 18.7 2 squar e d a s a losin g on ofGeolog y osln g streams , fro m th e strea m n d water
. Throug h Cree k ar e likel y ree k and , hence

.
wa s estimate d 1 n 198 2 o fwhic h ar e use d fo r n th e vicinit yo fth e Fer n Gle n Formation s above , contaminant s yresul t 1 n th e condar ypathway , duu m an d expose d t o n durin g period s o f weter
.
t jwar d securin g iprlsln g th e ElUsvlll e te , a responsibl e part y e searc h wa s forwarde dt o EP AHeadquarters , an d o n Decembe r21 , 1981 , notic e letter s w e ' e sen tt o



### potentiall yresponsibl e partie s (PRPs)

. Th e PKP s Identifie d a s I ftha t dat e wit h respec t t o th e Callaha n sit e Include d th e sit e owner , Jea n Ellenlcallahan ' .ransporte ran d dispose ro fth e wastes , Russel l Marti n BUss , Je[ry-Ru$sei l Blis s Inc. , an d America n Ca n Company

. Rosali e sit e PRP s notifie d wcre l forme rsit e • * owner , Houllha n NurseryCompany ; present owner . Rosali e Investmen t Company ; transporte ran d disposer , Grove rCallahan ; and , Russel l Marti n BMss , Jerry-Russel l Bliss , Inc. , an d America n Ca n Company

. I n th e Interi m betwee n th e transmltta l o fPR P Informatio n t 3 EP AHeadquarter s an d Issuanc e o fth e notic e letter s o n Decembe r17 , 19t>l , MON Krequeste d EP A assistanc e t o complet e cleanu p o fth e Callaha n site

. A t th e reques t o fth e On-Scen e Coordinato rfo rth e site , o n Decembe r2t i an d 29 , 19B1 , Regiona l Counse l contacte d eac h o fth e Callaha n sit e PRP s t o a a necessit yfo rImmediat e actio n t o complet e sit e cleanu p an d o f t o undertak e suc h actio n absen t thei rwillingnes s t o d o so . Al l decline d t o undertak e th e response . Additionally , th e sit e own e gran t permissio n fo racces s t o th e site

. Consequently , o n Decenbe r31 , 1981 , a warran t fo racces s wa s obtaine d fro m th e Unite d State s Distric t o fth e warran t wer e obtaine d o n January14 , 1982 , an d Februar yi numbe ro fdrum s encountere d durln yth e reniova l actio n continuedIt o excee d th e OSC' s estimates

. Upo n completio n o fth e response , th e sit e owna rwa s give n a receip t fo ral l sample s collected

. O n Februar y26 , 1982 , a t th e reques t o fth e h e Offic e o f s e the m o fth e e Ayency' s Inten t partie s contacte d refuse d t o -ourt
. Extension s 19«2

. a s th e
sit e owner , portion s o fal l sample s collecte d a t th e sit e wer e 

### PR P Negotiation s rov1de.i

.
Bot h durin g an d afte rcompletio n o fth e Immediat e Removal , severa l meeting s wer e hel d wit h PR P generator s o fth e waste s a t th e sit e t o dlscJs s possibilitie s fo rsettlemen t o fthei rliability

. (A s a resul t o fin formatlonlobtaine d durin g iorporatio n o f th e Immediat e Reinova l action , Kisc o Company , Inc. , Th e Orchar d Americ a an d G KTechnologies , Inc. , wer e Identifie d a s addition a negotiation s faile d t o resul t 1 n a n acceptabl e offe ro fsettlemmt

. Negotiation s fo rresponsibl e part ycleanu p o fth e Rosali e conducte d b yth e Stat e an d ar e ongoing

. Durin g a meetin g wit h o n Jun e 28 , 1985 , Rosali e Investmen t Compan yoffere d paynen t o f towar d futur e remedia l actio n a t th e site

. Thes e negotiation s a perio d no t t o excee d thirt y(3U ) day s followin g approva l o ft | Decisio n b yth e Regiona l Administrator

. Civi l Action s U n Augus t 3D , 1961 , a civi l actio n fo rcos t recover ywa s EP A1 n th e Unite d State s distric t Cour t fo rth e Easter n Uistr i [No

. 84-20<ib(l)]

. Th e actio n seek s reimbursemen t o f$4t>c$,b!>l

. an d expense s Incurre d b yth e governmen tfo rrespons e action s a sit e an d a declarator yjudgnten t fo rfutur e cost s an d expenses . consolidate d wit h thre e case s file d b yth e Stat e o fMissour i f fund s expende d a t eac h o fth e thre e ElUsvill e Are a Sit e prop e ALTERNATIVE S EVALUATIO N PRPs. ) Thes e it e hav e bee n tat e official s a fixe d su m il l continu e fo r e Kecor d o f

Afte rcompletio n o fth e Remedia l Investigation , wor k o n a began

. Th e fina l versio n wa s date d Septembe r28 , ly83

. Th e o ile d o n behal fo f t o fMissour i 

### ' 0 fo r actua l cost s th e tallaha n Th e cas e ha s bee n r recoveryo f Stat e 

### ties
.
Feasibilit yStud y jective s o fth e8

Feasibilit yStud yInclude d th e Identificatio n o fremedia l a c Identificatio n o fremedia l actio n alternative s an d th e sele c effectiv e remedia l actio n alternative s fo rImplementatio n a t Site

. A

. Rosali e Sit e Th e remedia l actio n objective s fo rth e Rosali e propert y drums , can s an d debri s fro m ELL-02 , ELL-0 3 an d ELL-0 4 an d e 1 concentration s o fpriorit ypollutant s 1 n soi l a t ELL-0 1 an d I (2 ) remov e th e contaminate d soi l fro m ELL-0 1 an d ELL-02

. Tabl e 3 o fth e Feasibilit yStud y(Attachmen tC-l ) 11s t fo rth e contaminate d soil , burle d drums , can s an d debri s o n Tabl e 3 als o Indicate s whethe rth e technolog y1 s appropriat e propert yan d th e reaso n 1 f1 t 1 s no t appropriate

. Al l o ft h technologie s ar e consisten t wit h technologie s presente d 1 n t Pla n (4 0 CF R 300.70 ) pertinen t t o th e remedia l actio n objec t A n Initia l screenin g o fth e remedia l technologie s 1den t Tabl e 3 fo rth e Rosali e Investmen tCompan ypropert ywa s per f o forde ro fmagnitud e costs , effect s o fth e alternativ e an d practices

. Th e numbe ro falternative s wa s narrowe d t o fou r screening

. Alternativ e R-l : N o Actio n R-2 : Onslt e biologica l treatmen t o fcontaminate d soi l an d off-sit e disposa l o fdebri s an d burle d drums

. R-3 : Onslt e disposa l R-4 : Offslt e disposa l Adetaile d analysi s o fthes e fou rremedia l alternative s th e Initia l screening

. Th e followin g criteri a wer e use d t o remedia l alternative s durin g th e detaile d analysis : -Probabl e cos t -Significan t advers e environmenta l effect s -Adequat e contro l o reffectivenes s -Reliabilit y -Implementabilit y fo n objectives , th e Io n o fth e mos tcost th e ElHsvlll e

fer e t o remov e Jhe r(1 ) reduc e th e L-0 2 o r remedia l technologie s t|h e Rosali e property , o rth e Rosali e liste d remedia l l e Nationa l Contingenc y ves . 

## fle da s appropriat e 1 n rmed1 nconsideratio n cceptabl e engineerin g ollowln g th e Initia l Estimate d Capita l Cos t Non e $97.00 0 $200,00 0 $52,00 0 wa s performe d followin g valuat e eac h o fth e-Operatio n an d maintenanc e requirement s

-Safet yan d regulator yrequirement s -Publi cacceptanc e I n orde rt o develo p th e alternative s an d th e evaluatio n 1 t wa s assume d tha t th e latera l exten t o fsoi l contaminatio n ELL-0 1 an d 1,45 0 sq . ft

. a t ELL-02

. Th e numbe ro fburle d dr u be 15

. Th e fou rremedia l alternative s wer e evaluate d 1 n detai l Thes e alternative s ar e summarize d 1 n Tabl e 2 o fth e Feas1b1l 1 (Attachmen t G-l)

. Cappin g wa s no t considere d beyon d th e 1n1 t thi s alternativ e woul d b e Ineffectiv e a t remedyin g th e threa t drum s a t ELL-0 2 an d contaminate d soi l 1 n th e strea m ban k a t £ stabiliz e an d contai n th e strea m ban k a t ELL-0 1 1 n comblnatl o prov e fa rmor e costl ytha n th e alternative s evaluate d 1 n det a remov e th e contaminatio n an d threa t o frelease

. Alternativ e woul d no t remed yexistin g condition s whic h hav e th e potentia l advers e environmenta l an d publi chealt h effects

. Th e result s Investigatio n Indicate d tha t th e organi cpriorit ypollutan t c th e soi l ha d no t significantl ydecrease d sinc e Jul y1981

. A l drum s woul d b e lef t 1 n place

. Th e possibilit yo fsurface , g r wate rcontaminatio n woul d stil l exis t fro m th e content s o ft h R- 2 (onslt e biologica l treatmen t o fcontaminate d soi l usin g 1 an d offslt e disposa l o fburle d drums , dru m Hds , cans , an d o t th e secon d highes t probabl e cost
. Ther e currentl yexist s n o treatmen t whic h ha s bee n prove n effectiv e fo rth e specifi cc o condition s presen t o n th e Rosali e Investmen t Compan ypropert y biologica l treatmen t technolog ywoul d b e costl yan d coul d pr o Alternativ e R- 3 (onslt e disposa l o fcontaminate d soil , burle d meta l fragment s an d tras h 1 n a secur e landfil l o n th e Rosali e highes t probabl e cost
. I t woul d Involv e locatio n o fa land f geologi csetting

. I t als o woul d requir e long-ter m monltoMn c Alternativ e R-4 - (offsit e disposa l o fcontaminate d soil , bur l meta l fragment s an d debris ) ha s th e lowes tprobabl e cos t an d greates t benefi t t o publi chealt h an d th e environment

. I t w e acceptabl e t o th e publi can d woul d hav e n o long-ter m ma1nten ^ requirements

. I t 1s , therefore , recommende d tha t Alternat1v < a s th e remedia l actio n fo rth e drums , can s an d contaminate d s Investmen t Compan yproperty
. B

. Callaha n Sit e Remedia l technologie s fo rth e unstabl e fil l are a o n th e ar e liste d 1 n Tabl e 1 o fth e Feasibilit yStud y(Attachmen t C 1n-s1t u mas s soi l stabilization , ar e technologie s presente d Contingenc yPla n (4 0 CF R 300.70 ) pertinen t t o th e remedia l a Tabl e 1 Indicate s whethe rth e technolog y1 s appropriat e fo r an d th e reaso n 1 f1 t 1 s no t appropriate

. rlterl a Information , a s 36 0 sq . ft

. a t wa s assume d t o
o rth e Rosali e Site , yStud y 

### a l screenin g becaus e pose d b yth e burle d 

### L-01

. Measure s t o wit h cappin g woul d 1 an d woul d no t



### - 1 (n o action ) fo rcausin g o fth e Remedia l ncentratio n 1 n 

### o , th e burle d un d an d drinkin g drums

. Alternativ e ndfarmin g technique s e rdebris) , ha s yp e o fbiologica l tamlnant s an d Developmen to f 

### e Ineffective , drums , cans , property ) ha s th e 1 1 n a questionabl e an d maintenance

. drums , cans , oul d provid e th e I d b e th e mos t c e o rmonitorin g R- 4 b e Implemente d il l o n th e Rosali e

allaha n propert y ) All , excep tfo r 

### n th e Nationa l 1o n objectives

. 

### h e Callaha n propert y

### 1 0

Ano-actio n alternativ e fo rth e Callaha n propert ywa s no t Feasibilit yStudy

. Thi s alternativ e wil l b e discusse d 1 n thi s Recor d o fDecision

. Durin g th e Remedia l Investigation , cor e collecte d fro m th e Callaha n fil l are a an d surfac e soi l an d wa t collecte d downgrad e o fth e fil l area . Result s o fanalyse s o f wer e presente d 1 n Table s C- 3 an d C- 4 o fth e Remedia l Investlg a presente d 1 n Attachmen tH

. Priorit ypollutan t contaminant s d e Callaha n sit e durin g th e Remedia l Investigatio n Includ e b1s( 2 phthalate , PCB-125 4 an d fluorotrlchloromethane

. Numerou s othe r pollutan t compound s wer e tentativel yIdentifie d o n th e site , 

### composit e sampl e o fth e fil l are a an d a fil l runof fsampl e werj e durin g th e 1981-8 2 remova l action

. Contaminant s detecte d 1 n Includ e 2,4-d1methylphenol , phenol , napthalene , nitrobenzene , phthalate , d1-n-octy l phthalate , ethylbenzene , toluen e an d te t Thes e result s ar e presente d 1 n Attachmen tI

. Contaminant s Callaha n propert yconstitut e a releas e t o th e environment , conclude s tha t 1 fstabilizatio n o fth e fil l are a I s no t prov l th e fil l materia l wil l continu e t o occur . Thi s erosio n wil l wa ya t th e bas e o fth e fil l an d wil l resul t 1 n continue d offs l hazardou s substances

. Du e t o thi s consideration , th e no-act1< n no t selecte d fo rth e Callaha n fil l area . 

### evaluate d 1 n th e sectio n o fth e simple s wer e rsample s wer e hes e sample s 

### 1o n an d ar e ecte d o n th e thylhexyl ) 

### organi c priorit y 

### naddition , a 

## collecte d t les e sample s 1s(2-ethylhe*yl ) achloroethylene . detecte do nth e Feasibilit yStud

y 

### d , erosio no f ente r th e drainag e 

### t e migratio no f alternativ e wa s T h

Bot h remedia l alternative s evaluate d fo rth e Callaha n remova l o fvestige s o fth e 1981-8 2 remova l action

. Thi s actlt n t o a conmltmen t mad e t o th e sit e owne rt o restor e th e propert ) activities

. A n Initia l screenin g o ftechnologie s Identifie d 1 n Tabl e th e Jea n Elle n Callaha n propert ywa s performe d 1 n cons1derat1< n magnitud e costs , effect s o fth e alternativ e an d acceptabl e e n Adetaile d analysi s wa s the n performe d o n th e followin g tw o usin g evaluatio n criteri a presente d abov e fo rth e Rosali e Estlma 

### Alternativ e C-l : Immediat e Remova l Actio nClosur e C-2 : Fil l Stabilization , Erosio nContro l an dImmediat e Remova l Actio nClosur e Capita l 

### $6 , $12 . Bot h o fth e alternative s Includ e onslt e activitie s t o r e o fth e Immediat e remova l action

. Thes e onslt e activitie s 1n c -Remova l an d disposa l o fth e plasti ccove rremnant s ove r -Remova l an d salvag e o fth e barbed-wir e fenc e aroun d th e propert yInclud e 1 s require d du e followin g remova l

a s appropriat e fo r o forde ro f 1neer1n g practices , n media l alternative s Profert yalternative :
os t 0 0 0 0 10v e th e vestige s ud e th e following : th e fil l area , 

### fil l area .

# 1 1

-Remova l an dsalvag e o f th e chain-lin kfenc e aroun dth e t storag e areas . -Remova l an dpossibl e salvag e o f th e yrave l I nth e tw o d r 

## areas . Th e additiona l featur e o f Alternativ e C- 2 1s : -Stabilizatio nanderosio ncontro l measure s fo r th e soi l Acompariso no f th e tw o alternative s appear s 1 nTabl e 4 i Study(Attachmen t G-2) . I nevaluatin g th e tw o alternatives , a woul dno t eliminat e slippag e an derosio no f th e soi l mas s 1 nt bactc f 1lle darea . Alternativ e C- 2 addresse s thi s proble malon g 

### fo r genera l closur e activitie s whic har e commo nt o bot halter n mas s woul db e spreadove r a large r are a a t It s presen t locatl o stabl e slope . Alaye r o f to p soi l woul db e sprea dt o a si xI n 

### are a andcompacted . Th e are a woul dthe nb e seede dt o contro l Selectio no f thi s remedia l alternativ e wil l hav e n o require do 

### maintenance
. Alternativ e C- 2 1 s mor e costl ytha nAlternativ e 

### Implementatio nwoul deliminat e th e potentia l fo r continue dof f hazardou s substances . I t Is , therefore , recomr.iendedtha t Alt e 

### Implemente da s th e Remedia l Actio nfo r th e Callaha nproperty . COMMUNIT YRELATION S 

### Th e RI/F S fo r th e Rosali e an dCallaha nportion s o f th e £ 1 wa s release dfo r publi c comrnen t I nJul y1984 . Announcement s 

### St . Loui s are a newspapers . O nAugus t 9 , 1984 , a publi c hearl n th e St . Loui s Count yLibrary , Danie l Boon e Brancn , 30 0 Clarks o 

### Missouri , t o describ e th e remedia l alternative s fo r th e Rosal l propertie s an dth e recommende dremedia l alternative s fo r sit e th e presentatio no f alternatives , attendee s wer e allowe dt o co r th e propose dremedia l action
. N o oppositio nwa s voice da ^ 

### action s o r thei r associate dcosts . Writte ncomment s wer e acc e 1984 . Non e wer e received
. Aresponsivenes s summar yha s bee n Stat e (Attachmen t E) . Citizen s generall yexpresse da Jeslr e federa l official s t o tak e th e necessaryaction s t o clea nup t h woul dpos e n o advers e effect s t o the mo r thei r children
. The y abou t obtainin g th e necessaryforma l approva l fromEP AKeadqu a O.C. , t o Implemen t th e propose dRemedia l Actions
. Manywante d federa l official s woul dendors e th e action
. Overall , citizen s W e believ e tha t Implementatio no f alternativ e R- 4 (offsl t 

### wil l satisf yth e concern s o f citizen s a t th e Rosali e Site
. I t lowes t probabl e cos t an dwoul dprovid e th e maximu mbenefi t t o 

### believ e tha t Implementatio no f alternativ e C- 2 wil l satisf yt h citizen s a t th e Callaha nsite
. I t wil l correc t th e physica l 1 o dru m

mstorag e

as s 1 nth e fil l area . th e Feasibilit y 

### ternatlv e C- l excavate dan d 

## wit hth e nee d tlves . Th e soi l 

## andgrade dt o a hdept hove r th e urthe r erosion , 

### eratlo nan d -1 , bu t It s It e migratio no f 

## nativ e C- 2 b e

1sv1ll e Are a sit e w < r e publishe d1 n wa s conducte da t Road , Ell1sv1lle , 

### an dCallaha n leanup . Followin g 

### nen t orall yupo n th e propose d te dunti l Augus t 17 , 

### repare dbyth e allo wstat e an d sit e suc htha t I t expresse dconcer n 

### ter s 1 nWashington , t o kno wwhe n reacte dpositively
. 

### disposal ) r 

### ia s th e h e public
. W e concern s o f stabilit yo f th e

### 1 3

an d t o a dept h o ffou r(4 ) fee t wil l b e excavate d fro m Loca t sample s wil l b e collecte d fro m th e perimete ran d botto m o ft 

### orde rt o determin e contaminan tlevel s whic h remai n a t Locat f Thi s samplin g wil l b e performe d 1 n accordanc e wit h a sampH n durin g Remedia l Desig n an d approve d b yth e Center s fo rD1$e a Thes e soi l sample s wil l b e analyze d fo rpriorit ypollutant s result s provide d t o CD C fo rassessment
. I fCD C determine s t l level s remainin g onslt e d o no trepresen t a threa t t o publi c! excavation s wil l b e backfille d an d reseeded

. I fCD C recogn l threa t t o publi chealth , th e contrac t wil l b e modifie d t o a l require d excavation

. Soi l samplin g wil l agai n b e performe d pla n approve d b yCDC , an d analytica l result s wil l b e provid e Thi s proces s wil l b e repeate d unti l CD C determine s tha t a t h 

### n o longe rexists

. Al l excavate d soi l wil l b e transporte d 1 n hazardou s wast e lan d disposa l facilit yoperatin g unde ra n ap i o rInteri m statu s an d meetin g curren t CERCL AoffsH e policy , t o a commercia l hazardou s wast e Incineratio n facilit yopera t RCR Apermi t o rInteri m status
. Result s o fsoi l samplin g conducte d durin g th e Remedia l reviewe d b yth e Center s fo rDiseas e Contro l (CDC)

. CD C ha s < basi s o fth e Informatio n presente d 1 n th e Remedia l Investlga t 

### appea rt o b e a threa t t o publi chealt h du e t o soi l contamln a ELL-0 2 o rthos e detecte d belo wa dept h o ftw o fee t a t ELL-0 1 1 t 1 s no t anticipate d tha t additiona l excavatio n wil l b e re q 24 0 cubi cyard s specified , 1 fsubsequen tsamplin g confirm s t whic h wer e determine d durin g th e Remedia l Investigation

. Hoveve r condition s wer e no tcompletel ydefine d 1 n th e Remedia l Inve s possibilit ydoe s exis t tha t additiona l excavatio n ma yb e re q Excavatio n o fburle d drum s a t Locatio n ELL-0 2 wil l pro c soi l excavation

. Whe n possible , duplicat e sample s wil l b e c o fth e excavate d drums

. On e sampl e fro m eac h dru m wil l b e a pollutant s an d RCR Ahazardou s wast e characteristics

. Follo w dru m wil l b e overpacke d 1 n 85-gallo n recover ydrum s an d tem p 1 n a secure d dru m holdin g are a unti l receip t o fanalytica l r liquid s wil l b e dispose d o fb yIncineratio n a t a commercia l Incineratio n facilit yoperatin g unde ra n appropriat e RCR Ap e Drum s containin g so l Id s wil l b e dispose d o fa t a commercia l operatin g unde ra n appropriat e RCR Apermi t o rInteri m statu s CERCL Aoffslt e policy , o r1 fcost-effective , a t a commercia l Incineratio n facilit yoperatin g unde ra n appropriat e RCR A status
. Drum s observe d t o contai n non-hazardou s substance s garbage , debris , emptycan s an d othe rnon-hazardou s materia l a t a permitte d sanitar ylandfill

. Dru m lids , emptycan s an d fro m Location s ELL-02 , ELL-0 3 an d ELL-0 4 wil l b e deposite d 1 Thes e drum s ma yals o b e dispose d o fa t a permitte d sanitar y analytica l dat a fo rsample d drum s wil l b e provide d t o th e a p 

### facility

. o n ELL-02

. Soi l e excavation s 1 n ns ELL-0 1 and ELL-02

. pla n develope d e Contro l (CDC)

. n d th e analytica l a t contaminan t ealth , the n th e e s a remainin g o wfo rth e additiona l n accordanc e wit h a t o CD C fo rassessment , ea t t o publi chealt h bul k t o a commercia l roprlat e RCR Apermi t o r1 fcost-effective , n g unde ra n appropriat e nvestlgatlo n hav e bee n dvlse d tha t o n th e 1on , ther e doe s no t t s detecte d a t Fo rthi s reason , 1re d beyon d th e soi l condition s

, subsurfac e Igatlon , an d som e 1red

. e d concurrentl ywit h llecte d fro m eac h alyze d fo rpriorit y n g sampling , eac h rarll ystore d onslt e suits

. Drum s containin g azardou s wast e m1 to rInteri m status , an d disposa l facilit y an d meetin g curren t hazardou s wast e pelm1 to rInteri m rwaste s (I.e. , trash , ) ma yb e dispose d o f othe rdebri s collecte d 55-gallo n drums , andflll

. Copie s o f roprlat e disposa l

### Th e offslt e disposa l o f hazardou s waste s a t th e Rosali e | ropert ymeet s

th e requirement s o fCEKCL ASectio n 101(24)

. Th e alternativ e r 

### t o b e more cost-effectiv e tha n th e othe ralternatives , an d 1 s publi chealth , welfar e an d th e environmen tfro m a presen trls l maintenanc e requirement s fo rthi s alternativ e wil l b e th e res p offslt e permitte d disposa l facility

. Abreakdow n o fth e cap l Attachmen t 0-1

. Alternativ e R- 4 achieve s th e mos treliabl e a r 

### protectio n o fpubli chealt h an d environmen t a t th e lowes trel

. Alternativ e C- 2 (Jea n tlle n Callaha n Property ) wil l 1mp l 

### Actio n t o contro l erosio n an d slippag e o fth e fil l are a wher e durin g th e 1981-8 2 Immediat e Renova l an d remov e th e vestige s 

### remnant s o fth e plasti ccove rove rth e fil l are a an d th e cov e wil l b e remove d an d dispose d of

. Th e soi l 1 n th e fil l are a w 1 

### stabl e slop e ove ra large rarea , an d covere d wit h a 6 Inc h so l b e compacte d an d reseeded

. Th e barbed-wir e fenc e aroun d th e f chain-lin k

fenc e aroun d th e tw o dru m storag e area s wil l b e re m Th e grave l I n th e tw o dru m storag e area s wil l b e rer.ove d fo rp Th e preliminaryopinio n o fprobabl e cos t fo rthi s rer.iedia l ac t Implementatio n o fthi s alternativ e wil l resul t 1 n n o operatio n requirements

. Abreakdow n o fth e capita l cost , estimate s appe a D-2

. 

### Afte rgivin g carefu l consideratio n t o th e cos teffective n alternativ e an d evaluatin g th e publi ccoroMent s received , th e M o fNatura l Resource s recommende d th e followin g tw o alternative ; Involvin g off-sit e disposa l o fcontaminate d soil , burie d druw s a t th e Rosali e Investmen t Compan yPropert yanr ! Alternativ e C- 2 

### stabilizatio n an d erosio n contro l measure s fo rth e soi l n^js s 1 i are a an d remova l o fth e vestige s o fth e Immediat e Removal

. A th e State' s decisio n appear s o n Attachren t F

. OPERATIO N AN D MAINTENANC E (U&M ) Recommence d alternative s a t th e Rosali e an d Callalia n site ; 

### activities

. SCHEDUL E 

### Approv e Remedia l Actio n(Sig nROD ) 

### Amend/Awar dCooperativ e Agreemen t for Remedia l Design / Remedia l Actio n Procur e Desig nContracto r Unde r Clas s Deviatio n 

### Complet e Desig n 

### Procur e Constructio nContracto r a s bee ndemonstrate d 

### necessar yt o protec t 

### Operatio nan d onsibllit yo f th e a l cost s appea r 1 n 

### effectiv e ;1v e cost . n t a Remedia l 

### rum s wer e excavate d tha t action
. Th e s hold-dow nblock s I b e regrade dt o a 

### laye r whic hwil l I I are a an dth e »ve dan dsalvaged . >ss1bl e salvage , o ni s $12,0uu
. an dmaintenanc e • s i nAttachmen t

s s o f eac h ssour i Departmen t 

### : Alternativ e R- 4 

### can s an ddebri s involvin g t h e Callaha nfil l ette r confirmin g



### wi1 1 requir e n o Dat e Jun e 21 , I98t > Augus t 2 , 19H b

6 , 198[ > Novembe r29 , Marc h 14 ,

### I S



### Initiat e Constructio n Complet e Constructio n FUTUR E ACTION S 

### Th e recommende dalternative s a t th e Rosali e an dCalla h a fina l action
. Al l vestige s o f pas t remedia l activitie s a n a threa t t o publi c health , welfare , o r th e environmen t wil l 

### properties
. N o futur e remedia l activitie s ar e anticipated
. Marc h28 , 198 6 Jun e 27 , 198 6


### site s wil l constitut e al l material s posin g 

### e remove dfromth e