### SDM S Documen t I D 105358 4

Ref:8EN F UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y REGIO N 8 99 9 18 TM STREE T - SUIT E 30 0 DENVER , C O 80202-246 6 Phon e 800-227-89 1 7

. http://www.epa.gov/region0 8 

## SE P0 7 200 6 CERTIFIED MAI L

RETUR N RECEIP T REQUESTE D Richar dO . Curley , Jr . Counse l fo r

Atlanti c Richfiel dCompan y Hollan d& Hart , L.L.P . P.O . Bo x 874 9 Denver , C O 80201-874 9 Re : Internationa l Smeltin g an dRefinin g Sit e (IS&R);

- Conservatio n Are aUA O fo r Remova l Activities , Docke t No . CERCLA-08-2006-001 0 Dear Mr . Curley , A s w e recentl y discussed , th e U S Environmenta l Protectio n Agency , Regio n 8 (EPA) , i s issuin g t o th e Atlanti c Richfiel dCompan y (AR ) aUnilatera l Administrativ e Orde r fo r Remova l Respons e Activitie s (Order)(enclosed) , effectiv e fiv e (5 ) day s fro mth e dat e o f issuanc e b y EPA . Th e Orde r require s A Rt o conduc t

specifie dremova l action s a t th e Conservatio n Are ao f th e IS& RSuperfun dSite , Tooel e County , Utah , an dt o submi t afina l report

o n th e action s performed . EP A discusse dwit h yo u th e optio n o f performin g thi s wor k

unde r a n administrativ e orde r o n consent . Yo u indicate dtha t i n ligh t o f th e nee dt o begi n thi s wor k expeditiously , you r

client , Atlanti c Richfield , woul dno t objec t t o th e issuanc e o f

aunilatera l administrativ e orde r fo r th e wor k i n lie u o f negotiatin g a n orde r

o n consent . EP A recognize s AR' s effort s i n th e developmen t o f asuitabl e wor

k plan , an danticipate s you r continue dcooperatio n durin g th e remova l phase . I f yo u hav e an y question s regardin g thi s matter , pleas e cal l m e a t (303 ) 312-6912 .

Enclosur e J ime s Stearn s Staf f Attorne y J 

### cc : Ern aWaterman , 8EPR-SR ; EP A Remedia l Projec t Manage r Joh n Works , EP A Technica l Enforcemen t Progra m Pamel aKaye , ARC O Environmenta l Remediation , LL C Ton y Howes , Utah DE Q

Printed on Recycled

Paper

### 200o$FP- 7 P H hO O UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y

REGIO N VII I

I N TH E MATTE ROF : Internationa l Smeltin g an dRefinin g Sit e Tooel e County , Uta h

Atlanti c Richfiel dCompan y

Respondent . UNILATERA L ADMINISTRATIV E ORDE RFO RREMOVA L RESPONS E ACTIVITIE S U.S . EP A Regio n VII I Docke t No . CERCLA-08~2u06-001 0 Proceedin g Unde r

Sectio n 106(a) o f

th e Comprehensiv e Environmenta l Response , Compensation , an dLiabilit y Act , a s amended , 4 2 U.S.C . § 9606(a )

### TABL E O F CONTENT S

I . JURISDICTIO N AN D GENERA L PROVISION S 2 II . PARTIE S BOUN D 2 III . DEFINITION S 2 IV . FINDING S O FFAC T 4 Sit e Descriptio n an dHistory 4 Releas e o r

Threatene dReleas e 5 Endangermen t

5 Responden t

6 Respons e Action s 7 V . CONCLUSION S O FLA W AN D DETERMINATION S 7 VI . ORDE R8 Notic e o f Inten t t o Compl y 8 Designatio n o f

Contractor , Project

Coordinator , an dOn-Scen e Coordinato r 8 Work t o b e Performe d9 Reportin g 1 0 Fina l Report

1 0 Acces s t o Property an dInformatio n 1 0 Recor dRetention , Documentation , Availabilit y o f Informatio n 1 1 Off-sit e Shipment s 1 1 Complianc e wit

h Other Law s 1 2 Emergenc y Respons e an dNotificatio n o f Release s 1 2 VII . AUTHORIT Y O FTH E ON-SCEN E COORDINATOR . 1 2 VIII . ENFORCEMENT : PENALTIE S FO RNONCOMPLIANC E 1 3 IX . RESERVATIO N O FRIGHT S 1 3 X . OTHE RCLAIM S 1 3 XI . MODIFICATION S 1 4 XII . NOTIC E O FCOMPLETIO N 1 4 XIII . ACCES S T O ADMINISTRATIV E RECOR D 1 4 XIV . OPPORTUNIT Y T O CONFE R1 4 XV . INSURANC E 1 5 XVI . ADDITIONAL REMOVA L ACTION S 1 5 XVII . SEVERABILITY . 1 5 XVIII . EFFECTIV E DAT E 1 6 APPENDICES : 1 aan db - Site Map s

2 - Actio n Memorandu m 3 - Wor k Plan

### I . JURISDICTIO N AN D GENERA L PROVISION S

1 . Thi s Orde r

i s issue dpursuan t

t o th e authorit y veste di n th e Presiden t o f th e Unite dState s b y sectio n 106(a

) o f th e Comprehensiv e Environmenta l Response , Compensation , an dLiabilit y Ac t o f 1980,4 2 U.S.C . § 9606(a) , a s amende d("CERCLA") , an ddelegate dto th e Administrato r o f th e Unite dState s Environmenta l Protectio n Agenc y ("EPA" ) b y Executiv e Orde r No . 12580 , January 23 , 1987 , 5 2 Federa l Registe r 2923 , an dfurthe r

delegate dt o th e Regiona l Administrator s b y EP A Delegatio n Nos . 14-14- A an d14-14- B an dt o th e undersigne dEP A officials . 2 . Thi s Orde r

pertain s t o property locate dat th e Internationa l Smeltin g an dRefinin g Sit e ("IS& RSite") , locate do n th e wester n slop e o f th e Oquirrh Mountain s i n Tooel' e County , Utah , an d depicte dgenerall y o n th e ma p attache da s Appendi x l at o thi s Order . I n particular , thi s Order pertain s t o tha t

portio n o f

th e IS& RSit e know n a s th e Conservatio n Are a("Conservatio n Area " o r "Site" ) depicte do n th e map attache da s Appendi x I b t o thi s Order . Thi s Orde r require s th e Respondent

to conduc t

th e Remova

l Action s describe dherei n to abat e a n imminen t

an dsubstantia

l endangennen t

t o th e publi c health o r

welfar e o r

th e environmen t

tha t ma y b e presente db y th e actual o r threatene dreleas e o f

hazardou s substance s at

o r fro mth e Site . 3 . EP A ha s notifie dth e Stat e o f Utah o f thi s actio n pursuan t

t o sectio n 106(a) o f

CERCLA , 4 2 U.S.C . § 9606(a) . II . PARTIE S BOUN D 4 . Thi s Orde r

applie s t o an di s bindin g upo n Responden t an dRespondent' s heirs , directors , officers , employees , agents , receivers , trustees , successor s an dassigns . An y chang e i n ownershi p o r corporat e statu s o f

Respondent , including , bu t no t limite dto , an y transfe r

o f asset s o r real o r personal property shal l i n n o wa y alte r Respondent' s responsibilitie s unde r thi s Order . 5 . Responden t

shal l ensure.tha t

it s contractors , subcontractors , an drepresentative s receiv e acop y o f thi s Orde r

an dcompl y with thi s Order . Responden t shal l b e responsibl e fo r

an y noncomplianc e wit h thi s Order . III . DEFINITION S 6 . Unles s otherwis e expressl y provide dherein , term s use di n thi s Orde r whic h ar e define di n CERCL A o r

i n regulation s promulgate dunde r CERCL A shal l hav e th e meanin g assigne dt o the mi n CERCL A o r

i n suc h regulations . Wheneve r term s liste dbelo w ar e use di n thi s Orde r o r i n th e appendice s attache dheret o an dincorporate dhereunder , th e followin g definitions shal l apply : "Actio n Memorandum " shal l mea n th e Actio n Memorandu missue db y EP A fo r th e Conservatio n Are ao f

th e IS& RSit e o n Jun e 20 , 2006 , an dattache dt o thi s Order a s Appendi x 2 . "CERCLA " shal l mean th e Comprehensiv e Environmenta l Response , Compensation , an d Liabilit y Ac t

o f 1980 , a s amended , 4 2 U.S.C . § § 9601.etseq . "Day " shal l mean acalenda r day unles s expressl y state dt o b e aworkin g day . "Workin g day " shal l mean aday othe r

tha n aSaturday , Sunday , o r Federa l holiday . I n computin g an y perio dof'tim e under thi s Order , where th e las t da y woul dfal l o n aSaturday , Sunday , o r Federa l holiday , th e perio dshal l ru n unti l th e clos e o f busines s o f

th e nex t workin g day . "Effectiv e Date " shal l b e th e effectiv e date o f thi s Order

a s provide di n Sectio n XVIII . "EPA " shal l mea n th e Unite dState s Environmenta l Protectio n Agenc y an dan y successo r department s or

agencie s o f

th e Unite dStates . "Interest " shal l mea n interes t at th e rat e specifie dfo r

interes t o n investment s o f

th e Hazardou s Substanc e Superfun destablishe dunde r Subchapte r

A o f Chapte r 9 8 o f Titl e 2 6 o f

th e Unite d State s Code , compounde dannuall y o n Octobe r 1 o f eac h year , i n accordanc e with 4 2 U.S.C . § 9607(a) . Th e applicabl e rat e o f interes t shal l b e th e rat e i n effec t

at th e tim e o f

accrual . "National Contingenc y Plan " o r "NCP " shal l mea n th e Nationa l Oi l an dHazardou s Substance s Pollutio n Contingenc y Pla n promulgate dpursuan t t o sectio n 10 5 o f

CERCLA , 4 2 U.S.C . § 9605 , codifie dat 4 0 C.F.R . Par

t 300 , an dan y amendment s thereto . "O'rder " shal l mean thi s Unilatera l Administrativ e Orde r an dal l appendice s attache dhereto , whic h ar e hereb y incorporate db y reference . I n th e even t o f conflic t betwee n thi s Orde r

an d an y appendix , thi s Order

shal l control . "Paragraph " shal l mea n aportio n o f thi s Orde r

identifie db y an arabi c numeral . "RCRA " shal l mea n th e Soli dWaste Disposal Act , a s amended , 4 2 U.S.C . § § 6901 , e t seq. . (als o know n a s th e Resourc e Conservatio n an dRecover y Act) . "Removal Actions " shal l mea n thos e activitie s t o b e undertake n b y Responden t i n accordanc e wit h th e Conservatio n Are aRemova l Actio n Wor k Plan , attache dt o thi s Orde r a s a s approve db y EP A pursuan t t o thi s Order . "Section " shal l mean aportio n o f thi s Orde r

identifie db y aroma n numeral . "Site " o r "Conservatio n Area " shal l mean th e are adesignate dan dknow n a s th e Conservatio n Area , comprisin g part

o f th e Internationa l Smeltin g & Refinin g Nationa l Priority Lis t Superfun dSite , i n Tooele County , Utah , depicte dgenerall y o n th e ma p attache da s Appendi x l aan di n mor e detai l o n th e map attache da s Appendi x I b t o thi s Order . Th e Site als o encompasse s an y area s that hazardou s substance s o r

pollutant s o r

contaminant s fro mSite activitie s are foun dto hav e been place do n o r to hav e migrated . "Waste Material " shal l mea n (1 ) an y "hazardou s substance " unde r sectio n 101(14 ) o f CERCLA , 4 2 U.S.C . § 9601(14) ; an d(2 ) any pollutan t o r contaminan t

under sectio n 101(33 ) o f CERCLA , 4 2 U.S.C . § 9601(33) . "Work " shal l mean al l activitie s Respondent i s require dto performunde r thi s Order . "Wor k Plan " shal l mean th e pla n entitle d"Conservatio n Are aRemova l Actio n Work Plan " (attache dhereto a s Appendi x 3) , an dany modification s mad e to th e Wor k Plan i n accordanc e with thi s Order , a s approve db y EP A pursuan t t o thi s Order .IV . FINDING S O F FAC T

Sit e Descriptio n an d Histor y 7 . I n 1910 , Internationa l Smeltin g & Refinin g Compan y (IS&R ) began operatin g acopper smelter (als o referre dto a s th e "Tooele Smelter" ) o n th e wester n slop e o f

th e Oquirr

h Mountain s approximatel y thre e mile s eas t o f Tooele , Utah . I n 1914 , Anacond aCoppe r Minin g Company , late r know n a s Th e Anacond aCompan y (Anaconda) , acquire dal l o f th e stoc k o f IS&R , whic h wa s the n dissolved . A ne w corporation , Internationa l Smeltin g Company (ISC) , wa s forme dan dAnaconda , th e majo r shareholde r

o f ISC , transferre dth e asset s o f th e Tooel e Smelte r

facilit y t o ISC . I n 1934 , IS C change dit s nam e t o Internationa l Smeltin g & Refinin g Company , th e same nam e a s th e compan y tha t

firs t operate dth e facility . Th e newl y forme dIS& Rowne dan doperate dth e Tooel e Smelte r unti l 197 3 whe n IS& Rwa s merge dint o Anaconda . Th e Respondent , Atlanti c Richfiel d Compan y (AP.) , acquire dAnacond ai n 197 7 an dmerge dAnacond aint o A Ri n 1981 . Responden t i s th e curren t

owne r o f th e IS& RSite . 8 . Fo r mor e tha n sixty years , fro m191 0 unti l 1972 , th e Sit e wa s use dfo r processin g lead , coppe r an dzin c ores . Copper

smeltin g began i n 191 0 unde r th e ownershi p o f

IS&R , with 4,00 0 ton s o f copper ore pe r day bein g processed . I n 1912 , IS& Rbuil t alea dsmelter . Over

th e years , alead

zin c sulfid e flotatio n mil l an daslag treatmen t plan t fo r lea dan dzin c recover

y were added . Coppe r productio n cease di n 1946 , whe n th e coppe r smelte r closed . Leadsmeltin g wa s discontinue di n 1972 . Th e smelte r

facilit y wa s demolishe di n 1972 . Fro m197 4 throug h 1981 , th e Anacond a Compan y constructe dan doperate damil l know n a s th e Car r For k Operations , i n o r

nea r Pin e Canyon. Thes e activitie s resulte di n th e creatio n o f larg e amount s o f

wast e material s containin g heav y metals , includin g lea dan darsenic . 9 . Waste s fro msmeltin g an drefinin g operation s includin g tailing s piles , slag , settlin g ponds , land-fille dmaterial , an dadditiona l smelte r waste s ar e presen t

o n portion s o f

th e IS& RSite . Th e IS& RSit e comprise s approximatel y 1,20 0 acres . 10 . Th e Utah Mine dLan dReclamatio n Ac t o f May 1975 , require dreclamatio n fo r th e Ca n Fork Operations . Responden t

performe dreclamatio n activitie s i n both areas , th e IS& Ran dth e Car r For k operations , unde r

th e oversigh t

o f th e Uta h Divisio n o f

Oil , Ga s an dMining . Par t o f th e reclamatio n wor k wa s performe di n th e Conservatio n Area , includin g placemen t o f cover materia l t o support

re vegetation , consolidatio n o f waste fro marea s o f

th e IS& RSite an destablishmen t o f apermanen t waste repository . Th e Removal Actio n require dunde r thi s Order

addresse s portion s o f

th e wast e repository cover . 11 . I n 1990 , th e Utah Divisio n o f Oil , Ga s an dMinin g release dResponden t o f furthe r minin g reclamatio n liability a

t th e IS& RSite . 12 . I n Apri l 1994 , A Rtransferre daconservatio n easement t o th e Stat

e o f Utah Divisio n o f Wildlif e Resource s (Division ) that establishe dth e Conservatio n Are aboundarie s an ddesignate dth e Divisio n a s Are amanager fo r certai n conservatio n purposes . Publi c acces s i s generall y restricte d unde r th e easement , bu t

additiona l use s recognize dunde r th e easement , pursuan t

t o pre-existin g leases , includ e agu n firin g rang e use db y local citizen s an dCity o f Tooele , Utah , police .

### 13 . I n accordanc e wit h Sectio n 10 5 o f

CERCLA , th e IS& RSite wa s liste do n th e Nationa l Priority List. , a s define di n Sectio n 10 5 o f CERCLA , a s amended , 4 2 U.S.C . § 9605 , o n Jul y 27 , 2000 . 14 . O n o r abou t September

18,2001 , A Rentere dint o th e Administrativ e Orde r o n Consen t

fo r Remedia l Investigation/Feasibilit y Study , EP A Docke t No . CERCLA-08-2001-12 , ("RI/F S Order") , t o performsamplin g activitie s at th e Site t o characteriz e th e level s an dexten t o f contamination . A R sample dth e Conservatio n Are aa s part o f th e RI/FS . Th e RI/F S wor k i s currentl y underwa y at

th e IS& RSite . 15 . Th e Conservatio n Are ai s locate do n th e western edg e o f th e Site . Thi s remova l actio n addresse s identifie darea s withi n th e Conservatio n Are aassociate dwith stresse dvegetatio n an d remainin g surfac e contamination . 16 . Heav y meta l soi l contaminatio n i n th e Conservatio n Are ai s aresul t o f historical floodin g an d th e fallou t o f stac k emission s fro moperation s at th e IS& RSite . Releas e o rThreatene d Releas e 17 . Operatio n o f

th e Tooel e Smelte r

an dCar r Fork s facilities , includin g transport o f materials , resulte di n th e depositio n o f Waste Materia l containin g heav y metals , includin g lea dan darsenic , i n an dat area s nea r th e Site , i n level s that

may threate n huma n health o r th e environment . 18 . Fro mDecembe r

4,2001 , t o Jun e 13 , 2004 , AR , unde r EP A oversigh t

i n connectio n with th e RI/F S Order , performe dsoi l samplin g activitie s at th e Conservatio n Are at o defin e th e areal exten t o f contamination . Thes e samplin g effort s identifie delevate dconcentration s o f contaminant s o f concern , includin g lea dan darsenic , i n th e soils . Mor e recen t investigatio n an dsamplin g identifie d area s withi n th e Conservatio n Are astil l impacte db y contamination . Thes e includ e area s o f stressed vegetatio n an darea s o f

remainin g surfac e contaminatio n abov e soi l actio n level s fo r th e IS& RSite . Th e result s o f

thes e samplin g activitie s ar e include di n report s submitte db y A Rt o EP A an dar e summarize di n th e Augus t

200 4 Remedia l Investigatio n Report (R I Report) . 19 . Th e RI Repor

t provide s th e comprehensiv e result s o f th e soi l samplin g a

t th e IS& RSit

e performe dunde r

EP A oversight . Base do n thes e samplin g results , at th e Conservatio n Area , arseni c range dfro m8 9 pp mt o 4,54 5 pp man dlea dsamplin g result s range dfro m2,32 1 pp mt o 14,85 0 ppm . Endangerimen t 20 . Th e above-describe dhazardou s substance s an dpollutant s an dcontaminant s ar e containe di n th e soil s i n concentration s an dquantitie s tha t may pos e an imminen t

an dsubstantial endangermen t t o th e publi c health an dth e environment . Outline dbelo w ar e th e specifi c endangermen t criteri afo r th e majo r contaminant s o f

concer n foun do n th e Site : 21 . Multipl e migratio n pathway s an dexposur e route s exis t withi n th e Conservatio n Are aSite throug h whic h human s may b e expose dt o toxi c concentration s o f th e contaminant s o f

concern . Th e principl e pathway s withi n thi s are ainclude , fo r recreational o r

casual use: ingestio n o f

contaminate d surfac e soil s an dingestio n an dinhalatio n o f airborn e soi l particle s an dcontaminate ddust .

### 22 . Youn g childre n an dadult s ma y experienc e advers e healt h effect s whe n expose dt o elevate d

concentration s o f

lea dan darseni c an dothe r metal s i n th e soil . Th e primar y rout e o f exposur e i s vi a incidenta l ingestio n o f

th e contaminate dsoil . Direc t ingestio n o f

contaminate dsoi l ca n resul t fro m actual consumptio n o f

soi l o r throug h th e mouthin g o f

contaminate dobjects . Childre n ar e th e mos t susceptibl e t o exposur e throug h thi s pathway . Other route s o f exposur e includ e inhalatio n o f wind

blow n soi l particle s an dderma l contac t wit h th e soil . 23 . Outline dbelo w ar e th e specifi c endangermen t criteri afo r

th e majo r contaminant s o f

concern foun do n th e Site : Arseni c - Exces s exposur e t o arseni c i s know n t o caus e avariet y o f advers e health effect s i n humans . Thes e effect s depen do n exposur e leve l an dduration . Arseni c i s aknow n huma n carcinogen . Inhalatio n exposur e i s associate dwit h increase dris k o f lung , gastrointestinal , rena l o r bladder cancer . Oral exposure t o arseni c i s associate dwith skin , liver , an dbladde r cancer . A t very hig h closes , ora l exposur e t o arseni c elicit s nause aan dvomiting . Lowe r dose s ove r

a chroni c tim e perio dma y elici t ski n abnormalities , suc h a s hyperkeratosis ; kidney , an dlive r toxicity . Lea d- - A t hig h dose s lea dexposur e i s associate dwit h advers e effect s o n reproductio n an d development , a s wel l inhibitio n o f hem e synthesis . A t

lower doses , impairmen t

o f th e nervou s syste mi n youn g childre n i s considere dt o b e o f greates t concern . Younge r

childre n ar e mor e susceptibl e t o lea dexposur e becaus e the y absor b lea dfro mthei r

gastrointestina l tract s a t

a greater rate than adult s do , thei r

neurologica l system s are stil l rapidl y developing , an dthe y hav e mor e direc t

contac t wit h soi l an dindoo r

dus t tha n adult s do . Thes e neurologica l effect s manifes t a s decrease dI.Q. , shortene dattentio n span , an ddecrease dhan dan dey e coordination . EP A classifie s leada s aB 2 carcinogen . Studie s i n animal s sho w an increase dincidenc e o f kidne y tumor s i n associatio n wit h very hig h level s o f lea dexposure . 24 . I n Jun e 2003 , EP A complete daris k assessmen t

entitle d"Baselin e Huma n Healt h Ris k Assessment

fo r th e Internationa l Smeltin g an dRefinin g Site Tooel e County , Uta h (Final) " USEPA , Regio n 8 , Jun e 200 3 ("EPA Ris k Assessment") . Additiona l informatio n relatin g t o ris k assessmen t an dactio n level s a t

th e Sit e i s presente di n adocumen t entitle d"Huma n Healt h Cleanu p Level s fo r Arseni c an dLea di n Soi l at th e IS& RSite, " (2003) . 25 . Health-base dactio n level s wer e establishe db y EP A base do n th e ris k assessmen t

performe d a t th e Site . EP A ha s identifie dsoi l actio n level s fo r thi s Remova l Actio n o f

8,00 0 pp mfo r

lea dan d 90 0 pp mfo r

arsenic . Thes e actio n level s ar e consisten t with actio n level s fo r

th e othe r non residentia l area s o f

th e IS& RSite . Soi l lea dan darseni c level s i n th e Conservatio n Area. , subjec t t o thi s Remova l Action , excee dth e actio n level s identifie dfo r thi s Remova l Action . Responden t 26 . Responden t

i s Atlanti c Richfiel dCompany . Atlanti c Richfiel dCompan y i s aDelawar e corporatio n registere di n th e State o f Uta h a s aqualified , activ e corporatio n i n goo dstanding , organize di n th e State o f

Utah o n Apri l 30 , 1985 . 27 . Responden t

i s th e curren t

"owner " an d"operator " an dwa s th e "owner " an d"operator " at th e Site at th e tim e o f

disposa l o f

hazardou s substance s o r

pollutant s o r

contaminant s at

th e facility , a s

### define db y sectio n 101(20) o f CERCLA , 4 2 U.S.C . § 9601(20) , an dwithi n th e meanin g o f section s 107(a)(l ) an d(2 ) o f

CERCLA , 4 2 U.S.C . § § 9607(a)(l ) an d(2) . Respons e Action s 28 . There hav e bee n prio r CERCL A respons e action s at th e Site , includin g th e RI/FS , an d specificall y fo r

th e Conservatio n Area , th e samplin g an dinvestigatory effort s describe dabove . Pursuan t t o th e Actio n Memorandum , approximatel y 5,00 0 cubi c yard s o f contaminate dsoi l shoul d b e remove dan dth e excavate darea s backfille dwit h clean soil , an dapproximatel y 1. 4 acre s o f stresse dvegetatio n shoul db e addresse dthroug h application.o f clea n cove r an dre-planting . 29 . EP A ha s incurre drespons e cost s i n both it s samplin g an doversigh t activitie s at

an di n connectio n wit

h th e Site . V . CONCLUSION S O F LA W AN D DETERMINATION S 30 . Basedo n th e Finding s o f Fac t set forth abov e an dth e Administrativ e Recordsupportin g thi s Remova l Action , EP A ha s determine dthat : a . Th e Sit

e i s a"facility " a s define db y section 101(9 ) o f CERCLA , 4 2 U.S.C . § 9601(9) . b.Th e Waste Material foun dat th e Site , a s identifie di n th e Finding s o f Fac t above , includ e "hazardou s substance(s) " a s define db y sectio n 101(14 ) o f CERCLA , 4 2 U.S.C . § 9601(14) , an d "pollutant s o r

contaminants " a s define db y sectio n 101(33 ) o f CERCLA , 4 2 U.S.C . § 9601(33) . Thes e includ e lea dan darsenic . c . Responden t

i s a"person " a s define db y sectio n 101(21 ) o f CERCLA , 4 2 U.S.C . §9601(21) . d . Responden t

i s liabl e unde r

sectio n 107(a) o f

CERCLA , 4 2 U.S.C . § 9607(a) , fo r performanc e o f

respons e action s an dfo r

respons e cost s incurre dan dt o b e incurre dat th e Site . Responden

t i s th e curren t

"owner " an d"operator " o f th e facility an dwa s th e "owner " and/o r "operator " o f

th e facilit y at

th e tim e o f

disposal o f

hazardou s substances , a s define db y sectio n 101(20 ) o f CERCLA , 4 2 U.S.C . § 9601(20) , an dwithi n th e meanin g o f sectio n 107(a)(2 ) o f CERCLA , 4 2 U.S.C . § 9607(a)(2) . e . The ; condition s describe di n th e Finding s o f Fac t abov e constitut e an actual o r threatene d "release " o f

ahazardou s substanc e fro mth e facilit y a s define db y sectio n 101(22 ) o f CERCLA , 4 2 U.S.C . §9601(22) . f. Th e condition s presen t at th e Site constitut e an imminen t an dsubstantial endangermen t t o publi c healt h o r

welfar e o r

th e environmen t

withi n th e meanin g o f

sectio n 106(a) o f

CERCLA , 4 2 U.S.C . § 9606(a) . Thes e condition s include , bu t ar e no t limite dto : actual o r

potentia l exposur e t o huma n populations , animals , o r th e foo dchai n fro mhazardou s substance s o r pollutant s o r

contaminants ; thi s facto r

i s presen t at th e Sit e du e t o th e existenc e o f

metals , includin g lea dan darsenic , i n th e soil s at th e Site an dth e proximit y o f residentia l area s an dothe r area s t o whic h peopl e an danimal s hav e access ; an dth e hig h level s o f hazardou s substance s o r pollutant s o r

contaminant s i n soil s largel y at o r nea r th e surfac e that

may migrate , du e t o win d

### an dtrackin g o r othe r transpor t o f soil s b y huma n activity . g . Th e action s require db y thi s Order are necessary t o protec t

th e publi c healt

h o r welfar e o r th e environment , ar e i n th e publi c interest , ar e no t inconsisten t

wit h CERCL A an dth e NCP , an d wil l expedit e effectiv e remedia l actio n an dminimiz e litigation . VI . ORDER 31 . Base dupo n th e foregoin g Finding s o f Fact , Conclusion s o f

La w an dDeterminations , an dth e Administrativ e Recor dfo r thi s Site , EP A hereb y order s tha t Responden t

compl y wit

h th e followin g provisions , including , bu t no t limite dto , al l attachment s (appendices ) t o thi s Order , al l document s incorporate db y referenc e int o thi s Order , an dal l schedule s an ddeadline s i n thi s Order , attache dt o thi s Order , o r

incorporate db y referenc e int o thi s Order , an dperfor mth e followin g actions : Notic e o f IInten t t o Compl y 32 . Responden t

shal l notif y EP A i n writin g withi n te n (10 ) day s afte r th e effectiv e dat e o f

thi s Orde r o f Respondent' s irrevocabl e inten t t o compl y wit h thi s Order . Failur e o f Responden t

t o provid e suc h notificatio n withi n thi s tim e perio dshal l b e aviolatio n o f thi s Order

b y Respondent . Designatio n o f

Contractor . Projec t

Coordinator , an dEP A Projec t Coordinato r 33 . a . Responden t

shal l perfor mth e Remova l Action s o r retai n acontractor(s ) t o perfor mth e Remova l Actions . Responden t shal l notify EP A o f

Respondent' s qualification s o r th e name(s ) an d qualification(s ) o f

suc h contractor(s ) withi n te n (10 ) busines s day s o f th e effectiv e dat e o f

thi s Order . Responden t

shal l als o notify EP A o f

th e name(s ) an dqualification(s ) o f an y other contractor(s ) o r subcontractor(s ) retaine dt o perfor mth e Remova l Action s unde r thi s Orde r

a t leas t fiftee n (15 ) day s prio r t o commencemen t

o f suc h Remova l Actions . EP A retain s th e righ t t o disapprov e o f

any , o r all , o f th e contractor s and/o r

subcontractor s retaine db y Respondent , o r o f Respondent' s choic e o f

itsel f t o d o th e Remova l Actions . I f EP A disapprove s o f

aselecte dcontracto r

o r Respondent , Responden t shal l retai n adifferen t

contracto r

o r notify EP A tha t

i t wil l perfor mth e Remova l Action s itsel f withi n fiv e (5 ) busines s day s followin g EPA' s disapprova l an dshal l notify EP A o f tha t contractor' s nam e o r Respondent' s nam e an dqualification s withi n fiv e (5 ) busines s day s o f EPA' s disapproval . b. Withi n ten (10 ) day s afte r the effectiv e dat e of

thi s Order , Responden t

shal l designat e a Projec t Coordinato r

wh o shal l b e responsibl e fo r administratio n o f

al l th e Respondent' s action s require db y th e Order . Responden t shal l submi t

th e designate dcoordinator' s name , address , telephon e number , an dqualification s t o EPA . T o th e greates t exten t possible , th e Projec t Coordinato r

shal l b e presen t

onsit e o r readil y availabl e durin g Site Work . EP A retain s th e righ t t o disapprov e o f

an y Projec t

Coordinato r

name db y Respondent . I f EP A disapprove s o f

aselecte d Projec t Coordinator , Responden t

shal l retai n adifferen t

Projec t Coordinato r

an dshal l notif

y EP A o f tha t person' s nam e an dqualification s withi n fiv e (5 ) busines s day s followin g EPA' s disapproval . Receip t b y Respondent' s Projec t

Coordinato r

o f an y notic e o r

communicatio n fro mEP A relatin g t o thi s Orde r shal l constitut e receip t

b y Respondent . 34 . EP A ha s designate dErn aWaterman , Superfun dRemedia l Section, Regio n 8 , a s it s Projec t Coordinator . Excep t

a s otherwis e provide di n thi s Order , Responden t shal l direc t

al l submission s require db y thi s Orde r

to :

### Ern aWaterma n

Internationa l Smeltin g & Refinin g Remedia l Projec t Manage r Superfun dRemedia l Section , 8EPR-S R U S EPA , Regio n 8 99 9 18 t

h

### Street , Suit e 30 0 Denver , C O 80202-246 6 Phone:(303)312-676 2 Fax:(303)312-689 7 Wor k to B e Performe d 35 . Responden t

shal l perform , at

aminimum , al l activitie s containe di n th e Conservatio n Are a Removal Actio n Work

Plan , attache dheret o a s Appendi x 3 , fo r investigatio n o f

threatene do r

actual release s o f

metal s at th e Site , includin g bu t

no t limite dt o lea dan darsenic , an dprepar e an dsubmi t a fina l report

o n th e wor

k performed . Protocol s fo r an y necessar

y samplin g i n connectio n wit h th e Wor k shal l b e unde r

th e directio n o f

EPA . Responden t

shal l implemen t

th e Work Pla n i n accordanc e wit h th e schedul e provide dtherein . 36 . Responden t

shal l perform , at

aminimum , al l action s necessar y t o implemen t

th e Work Plan . Responden t

shal l implemen t

th e Healt h an dSafety Pla n (HASP) , attache dheret o a s part o f Appendi x 3 to thi s Order , to ensur

e th e protectio n o f

healt h an dsafet

y durin g performanc e o f

Wor k unde r thi s Order . a . Responden t

shal l implemen t

th e Quality Assuranc e Projec t Pla n (QAPP) , a s accepte db y EP A fo r th e IS& RSite , durin g th e performanc e o f thes e remova l actions . Al l samplin g an danalyse s performe dpursuan t

t o thi s Orde r

shal l conformt o EP A direction , approval , an dguidanc e regardin g sampling , quality assurance/quality contro l ("QA/QC") , dat avalidation , an dchai n o f custod y procedures . Responden t

shal l implemen t

an dconfor mt o th e Qualit y Assuranc e Projec t Pla n (QAPP) , accepte db y EP A fo r th e IS& RSite , tha t

ensure s that

th e laboratory use dt o perfor mth e analyse s participate s i n aQA/Q C progra mthat complie s wit

h th e appropriate EP A guidance . A s specifie di n tri e approve dQAPP , Responden t shal l follow , a s appropriate , "Qualit y Assurance/Quality Contro l Guidanc e fo r Remova l Activities : Samplin g QA/Q C Pla n an dDat a Validatio n Procedures " (OSWE RDirectiv e No . 9360.4-01 , Apri l 1 , 1990) , a s guidanc e fo r QA/Q C an dsampling . Responden t shal l onl y us e laboratorie s that hav e adocumente dQualit y Syste mthat complie s wit

h ANSI/ASQ C E- 4 1994 , "Specification s an dGuideline s fo r Qualit y System s fo r Environmenta l Dat aCollectio n an dEnvironmenta l Technolog y Programs " (American Nationa l Standard , January 5 , 1995) , an d"EPA Requirement s fo r Qualit y Managemen t

Plan s (QA/R-2 ) (EPA/240/B-01/002 , Marc h 2001), " o r equivalent

documentatio n a s determine db y EPA . EPA ma y consider laboratorie s accredite dunde r th e Nationa l Environmenta l Laboratory Accreditatio n Program ("NELAP" ) a s meetin g th e Quality Syste mrequirements . b.Upo n reques t

b y EPA , Responden t

shal l hav e suc h alaboratory analyz e sample s submitte db y EP A fo r Q A monitoring . Responden t shal l provid e t o EP A th e QA/Q C procedure s followe db y al l samplin g team s an dlaboratorie s performin g dat acollectio n and/o r analysis . c . Upo n reques t

b y EPA , Responden t

shal l allo w EP A o r

it s authorize drepresentative s t o tak e spli t and/o r duplicat e sample s o f

an y sample s collecte db y Responden t whil e performin g action s

### unde r

thi s Order . Responden t

shal l notif

y EP A no t

les s tha n fiv e (5 ) day s i n advanc e o f an y sampl e collectio n activity . EP A shal l hav e th e righ t t o tak e an y additiona l sample s tha t i t deem s necessary . Reportin g d . Responden t

shal l submi t

awritte n progres s repor

t t o EP A concernin g action s undertake n pursuan t to thi s Order

b y n o later

than th e sevent

h (7th ) da y o f each mont

h durin g performanc e o f

th e Work unti l th e cessatio n o f

th e Removal Action s require dunde r thi s Order , unles s otherwis e directe d i n writin g b y th e EP A Projec t Coordinator. Thes e report s shal l describ e al l significan t development s durin g th e precedin g period , includin g th e action s performe dan dan y problem s encountered , analytica l dat areceive ddurin g th e reportin g period , an dth e development s anticipate ddurin g th e nex t reportin g period , includin g aschedul e o f Work t o b e performed , anticipate dproblems , an dplanne d resolution s o f

pas t o r anticipate dproblems . e . An y Responden t

an dSuccesso r

i n titl e shall , at

leas t 3 0 day s prio r

t o th e conveyanc e o f

an y interes t i n rea l property at

th e Site , giv e writte n notic e o f thi s Orde r

t o th e transfere e an dwritte n notic e t o EP A o f

th e propose dconveyance , includin g th e nam e an daddres s o f th e transferee . Th e party conveyin g suc h a n interes t shal l requir e tha t

th e transferee compl y with Sectio n VI. , Paragraph s 3 5 an d3 6 o f

i:hi s Orde r

(Acces s to Property an dInformation) . Fina l Repor t f . Withi n thirty (30 ) day s afte r completio n o f

al l Remova l Action s require dunde r thi s Order , th e Respondent

shal l submi t

fo r EPA revie w an dapprova

l afinal repor

t summarizin g th e action s take n t o compl y wit h thi s Order . Th e fina l report shal l conform , at

aminimum , with th e requirement s se t fort h i n sectio n 300.16 5 o f th e NC P entitle d"OS C Reports" . Th e fina l report shal l includ e agoo d fait h estimat e o f

tota l cost s o r

statemen t o f actual cost s incurre di n complyin g with th e Order , a listin g o f quantitie s an dtype s o f

material s removed , adiscussio n o f remova l an ddisposa

l option s considere dfo r

thos e materials , alistin g o f th e ultimat e destination s o f thos e materials , apresentatio n o f th e analytica l result s o f

al l samplin g an danalyse s performed , an daccompanyin g appendice s containin g al l relevan t

documentatio n generate ddurin g th e Remova l Action s (e.g. . manifests , invoices , bills , contracts , an dpermits) . Th e fina l report shal l als o includ e th e followin g certificatio n signe db y aperso n wh o supervise do r directe dth e preparatio n o f that report : "Unde r penalt y o f

law , I certif

y that t o th e bes t

o f m y knowledge , afte r

appropriat e inquirie s o f

al l relevan t

person s involve di n th e preparatio n o f th e report , th e informatio n submitte di s true , accurate , an dcomplete . I amaware tha t there are significan t penaltie s fo r

submittin g fals e information , includin g th e possibilit y o f fin e an dimprisonmen t

fo r knowin g violations. " Acces s to Propert

y an d Informatio n 37 . Responden t

shal l provid e and/o r

obtai n acces s t o th e Site an doff-sit e area s t o whic h acces s i s necessary t o implemen t

thi s Order , an dprovid e acces s t o al l record s an ddocumentatio n relate dt o th e condition s a

t th e Sit e an dth e actio n conducte dpursuant to thi s Order . Such acces s shal l b e provide d t o EP A employees , contractors , agents , consultants , designees , representatives , an dStat e o f Utah representatives . Thes e individual s shal l b e permitte dt o mov e freel y at th e Site an dappropriat e off

site area s i n orde r

t o conduc t

action s whic h EP A determine s t o b e necessary . Responden t shal l 

### 1 0

### submi t

t o EPA , upo n receipt , th e result s o f al l samplin g o r

test s an dal l othe r

dat agenerate db y Responden t

o r it s contractor(s) , o r

o n th e Respondent' s behal f durin g implementatio n o f thi s Order . 38 . Where actio n unde r

thi s Orde r

i s t o b e performe di n area s owne db y o r i n possessio n o f someon e other

tha n Respondent , Responden t shal l us e it s bes t

effort s t o obtai n al l necessar y acces s agreement s withi n thirt y (30 ) day s afte r th e effectiv e dat e o f

thi s Order , o r

a s otherwis e specifie di n writin g b y th e EP A Projec t Coordinator . Responden t shal l immediatel y notif

y EP A if, afte r

usin g it s bes t efforts , Responden t

i s unabl e t o obtai n suc h agreements . Responden t shal l describ e i n writin g it s effort s to obtai n access . EPA ma y the n assis t

Responden

t i n gainin g access , to th e extent necessar y t o effectuate th e Remova l Action s describe dherein , usin g suc h mean s a s EP A deem s appropriate . EP A reserve s th e righ t t o see k reimbursemen t

fro mResponden t

fo r al l cost s an d attorney' s fee s incurre db y th e Unite dState s i n obtainin g acces s fo r Respondent . Recor d Retention . Documentation . Availabilit y o f Informatio n 39 . Responden t

shal l preserv e al l document s an dinformatio n relatin g t o Wor k performe dunde r thi s Order , o r

relatin g t o th e hazardou s substance s foun don , o r release dfrom , th e Site , fo r te n year s followin g completio n o f

th e Remova l Action s require db y thi s Order . A t th e en do f

thi s te n year perio dan dthirt y (30 ) day s befor e an y documen t o r informatio n i s destroyed , Responden t shal l notif

y EP A tha t suc h document s an dinformatio n ar e availabl e t o EP A fo r inspection , an dupo n request , shal l provid e th e original s o r copie s o f suc h document s an dinformatio n t o EPA . I n addition , Responden t

shal l provid e document s an dinformatio n retaine dunde r thi s Sectio n a t

an y tim e befor e expiratio n o f

th e ten-yea

r perio dat th e writte n reques t

o f EPA . 40 . Responden t

ma y asser

t abusines s confidentialit y clai mpursuan t t o 4 0 C.F.R . § 2.203(b ) wit h respec t to par t o r al l o f any informatio n submitte dto EPA pursuan t to thi s Order , provide dsuc h clai mi s allowe db y sectio n 104(e)(7 ) o f CERCLA , 4 2 U.S.C . § 9604(e)(7) . Analytica l an dothe r dat aspecifie di n sectio n 104(e)(7)(F ) o f CERCL A shal l no t

b e claime da s confidentia l b y th e Respondent . EP A shal l onl y disclos e informatio n covere db y abusines s confidentialit y clai mt o th e exten t permitte dby , an db y mean s o f th e procedure s se t

fort h at , 4 0 C.F.R . Part

2 , Subpart

B . I f n o suc h clai maccompanie s th e informatio n whe n i t i s receive db y EPA , EP A may mak e i t availabl e t o th e publi c withou t

furthe r notic e t o Respondent . 41 . Responden t

shal l maintai n arunnin g lo g o f privilege ddocument s o n adocument-b y - documen t basis , containin g th e date , author(s) , addressee(s) , subject , th e privileg e o r ground s claime d(e.g. . attorne y work product, attorney-client) , an dth e factua l basi s fo r assertio n o f

th e privilege . Responden t

shal l kee p th e "privileg e log " o n fil e an davailabl e fo r inspection . EP A may at an y tim e challenge claim s o f privileg e throug h negotiation s o r otherwis e a s provide db y la w o r th e Federal Rule s o f

Civi l Procedure . Off-Sit e Shipment s 42 . Al l hazardou s substance s o r pollutant s o r

contaminant s remove doffsit e pursuan t to thi s Order fo r treatment , storage , o r

disposal shal l b e treated , stored , o r dispose do f

at afacilit y i n compliance , a s determine db y EPA , wit h 4 2 U.S.C. § 962 1 (d)(3 ) an dth e EP A "Revise dProcedure s fo r Implementin g Off-Sit e Respons e Actions, " OSWE RDirectiv e Numbe r 9834.11 , Novembe r

13 , 1987 . Regiona l Office s wil l provid e informatio n o n th e acceptability o f afacilit y unde r

sectio n 121(d)(3 ) o f

CERCL A an dth e abov e directive . Unles s impracticable , prio r notificatio n o f

out-of

1 1stat

e waste shipment s shoul db e give n t o th e EP A Projec t Coordinato r

consisten t

with OSWE R Directiv e 9330.2-07 . Complianc e Wit h Othe r Law s 43 . Responden t

shal l perfor mal l action s require dpursuan t t o thi s Orde r

i n accordanc e with al l applicabl e local , state , an dfedera l law s an dregulation s excep t a s provide di n CERCL A sectio n 121(e) an d4 0 C.F.R . sectio n 300.415(i) . I n accordanc e wit h 4 0 C.F.R . § 300.415(1) , al l on-sit e action s require dpursuan t t o thi s Orde r

shall , t o th e exten t

practicable , a s determine db y EP A considerin g th e exigencie s o f th e situation , attai n applicabl e o r relevan t an dappropriat e requirement s (ARARs ) unde r

federa l environmental , state environmental , o r facilit y sitin g laws , (see "Th e Superfun dRemova l Procedure s fo r Consideratio n o f

ARAR s Durin g Remova l Actions, " OSWE R Directiv e No . 9360.3-02 , Augus t 1991) . Emergenc y Respons e an dNotificatio n o f Release s 44 . Responden t

shal l notif

y EP A at leas t 4 8 hour s prio r

t o performin g an y on-cit e Wor k pursuan t t o th e Work

Plan . Thi s i s aone-tim e notic e requiremen t fo r th e Wor k describe dherein . Responden t

shal l no t commenc e o r

undertak e an y Remova l Action s a t th e Sit e withou t

prio r EP A approva l an dexcep t

i n conformanc e with th e term s o f thi s Order . 45. If any incident , or

chang e in Sit e conditions , durin g the action s conducte dpursuan t to thi s Order cause s o r threaten s to caus e an additiona l releas e o f hazardou s substance s fro mth e Site o r an endangermen t

t o th e publi c healt h o r

welfar e o r

th e environment , Responden t shal l immediatel y tak e al l appropriat e action . Responden t shal l tak e thes e action s i n accordanc e wit h al l applicabl e provision s o f

thi s Order , including , bu t no t limite dt o th e Health an dSafety Plan , i n orde r t o prevent , abate o r minimiz e suc h releas e o r endangermen t

cause do r threatene db y th e release . Responden t shal l als o immediatel y notif y th e EP A Projec t

Coordinato r

or , i n th e even t

o f hi s o r he r unavailability , shal l notif

y th e Nationa l Respons e Cente r a t (800 ) 424-880 2 o f

th e inciden t

o r Sit e conditions . I f

Responden t

fail s t o tak e action , the n EP A ma y respon dt o th e releas e o r endangermen t an dreserv e th e righ t

t o pursu e cos t

recovery . 46 . I n addition , i n th e even t o f an y releas e o f

ahazardou s substance , Responden t shal l immediatel y notif

y EPA' s EP A Projec t

Coordinato r

a t (303 ) 312-676 2 an dth e Nationa l Respons e Cente r a t (800 ) 424-8802 . Responden t shal l submi t

awritte n repor t

t o EP A withi n seve n (7 ) day s afte r eac h release , settin g fort h th e event s tha t occurre dan dth e measure s take n o r t o b e take n t o mitigat e an y releas e o r

endangermen t

cause do r threatene db y th e releas e an dt o preven t th e reoccurrenc e o f

suc h arelease . Thi s reportin g requiremen t i s i n additio n to , no t

i n lie u of, reportin g unde r CERCL A sectio n 103(c ) an dsectio n 30 4 o f th e Emergenc y Plannin g an dCommunit y Right

To-Kno w Acto f

1986.42U.S.C . § § 11001 , e t sea . VII . AUTHORIT Y O FTH E EP A PROJEC T COORDINATO R 47 . Th e EP A Projec t

Coordinato r

shal l b e responsibl e fo r

overseein g th e prope r

an dcomplet e implementatio n o f

thi s Order . Th e Projec t

Coordinato r

shal l hav e th e authorit y veste di n an OS C b y th e NCP , 4 0 C.F.R. § 300.120 , includin g th e authorit y t o halt , conduct , o r direc t an y actio n require d b y thi s Order , o r

t o direc t an y othe r remova l action undertake n b y EP A o r Responden t

at th e Site . 1 2Absenc e o f

th e EP A Projec t

Coordinato r

fro mth e Sit e shal l no t

b e caus e fo r

stoppag e o f

Wor k unles s specificall y directe db y th e EP A Projec t Coordinator . 48 . EP A an dResponden t shal l hav e th e righ t

t o chang e thei r

respective , designate dProjec t Coordinators . EP A shal l notif y Respondent , an dRespondent shal l notif

y EP A fiv e (5 ) day s befor e such achang e i s made . Notificatio n may initiall y b e mad e orally , bu t shal l b e followe dpromptl y b y writte n notice . VIII . ENFORCEMENT : PENALTIE S FO RNONCOMPLIANC E 49 . Violatio n o f

an y provisio n o f

thi s Orde r

may subjec t

Responden t

t o civi l penaltie s o f

u p t o thirty-tw o thousan dfiv e hundre ddollar s ($32,500 ) pe r violation pe r

day , a s provide di n sectio n 106(b)(l ) o f

CERCLA , 4 2 U.S.C . § 9606(b)(l) . Responden t may als o b e subjec t

t o punitiv e damage s i n e mamoun t

u p t o thre e time s th e amoun t o f an y cos t incurre db y th e Unite dState s a s a resul t o f suc h violation , a s provide di n sectio n 107(c)(3 ) o f CERCLA , 4 2 U.S.C . § 9607(c)(3) . Shoul dResponden t

violat e thi s Orde r

o r an y portio n hereof, EP A may carry ou t th e require daction s unilaterally , pursuan t

t o sectio n 10 4 o f

CERCLA , 4 2 U.S.C . § 9604 , and/o r may see k judicia l enforcemen t

o f thi s Orde r

pursuan t t o sectio n 10 6 o f

CERCLA , 4 2 U.S.C . § 9606 . IX . RESERVATIO N O F RIGHT S 50 . Excep t

a s specificall y provide di n thi s Order , nothin g herei n shal l limi t th e powe r an d authority o f

EP A o r th e Unite dState s t o take , direct , o r order al l action s necessary t o protec t publi c health o r welfar e o r

th e environmen t

o r t o prevent , abate , o r

minimiz e an actual o r

threatene dreleas e o f hazardou s substance s o r pollutant s o r

contaminants , o r

hazardou s o r

soli dwaste on , at , o r

fro mth e Site . Further , nothin g herei n shal l preven t EP A fro mseekin g lega l o r equitabl e relie f

t o enforc e th e term s o f thi s Order , fro mtakin g other legal o r equitabl e actio n a s i t

deem s appropriat e an dnecessary , o r fro mrequirin g Responden t i n th e futur e t o perfor madditiona l activitie s pursuan t t o CERCL A o r an y other applicabl e law . EP A reserve s th e righ t t o brin g an actio n agains t Responden t

unde r sectio n 10 7 o f CERCLA , 4 2 U.S.C . § 9607 , fo r recovery o f

an y Respons e Cost s incurre db y th e Unite d State s relate dt o thi s Orde r o r th e Site an dno t

reimburse db y Respondent . X . OTHE RCLAIM S 51 . B y issuanc e o f

thi s Order , th e Unite dState s an dEP A assum e n o liabilit y fo r injurie s o r damage s t o person s o r

property resultin g fro man y act s o r omission s o f

Respondent . Th e Unite d State s o r EP A shal l no t

b e deeme daparty t o an y contrac t entere dint o b y th e Responden t o r it s directors , officers , employees , agents , successors , representatives , assigns , contractors , o r consultant s i n carryin g ou t

action s pursuan t

to thi s Order . 52 . Thi s Orde r

doe s no t constitut e apre-authorizatio n o f fund s unde r

sectio n 111(a)(2 ) o f CERCLA , 4 2 U.S.C . § 96 1 l(a)(2) . 53 . Nothin g i n thi s Order shal l constitut e asatisfactio n o f o r releas e fro man y clai mo r caus e o f actio n agains t

Responden t

o r an y perso n no t

aparty t o thi s Order , fo r an y liabilit y suc h perso n may hav e unde r

CERCLA , othe r

statutes , o r

th e commo n law , includin g bu t no t limite dt o an y claim s 1 3o f

th e Unite dState s fo r

costs , damage s an dinteres t unde r sectio n 106(a

) an d107(a

) o f CERCLA , 4 2 U.S.C . § § 9606(a) an d9607(a) . XI . MODIFICATION S 54 . Modification s t o an y pla n o r schedul e unde r

thi s Orde r

may b e mad e i n writin g b y th e EP A Projec t

Coordinato r

o r at th e EP A Projec t

Coordinator' s oral direction . I f th e EP A Projec t Coordinato r

make s an oral modification , i t wil l b e memorialize di n writin g withi n seve n (7 ) days ; provided , however , that

th e effectiv e dat e o f

th e modificatio n shal l b e th e date o f th e EP A Projec t Coordinator' s oral direction . Th e res t o f th e Order , o r

an y othe r portio n o f

th e Orde r

may onl y b e modifie di n writin g b y signatur e o f th e undersigne dEP A programdirector . 55 . I f Responden t

seek s permissio n t o deviat e fro man y approve dpla n o r schedul e o r

th e Statemen t o f Work , Respondent' s Projec t Coordinato r

shal l submi t

awritte n reques t

t o EP A fo r approval outlinin g th e propose dmodificatio n an dit s basis . 56 . N o informa l advice , guidance , suggestion , o r commen t b y EP A regardin g reports , plans , specifications , schedules , o r an y other writin g submitte db y th e Responden t shal l reliev e Responden t o f it s obligation s t o obtai n suc h forma l approva l a s may b e require db y thi s Orde r an dt o compl y with al l requirement s o f

thi s Orde r

unles s i t i s formall y modified . N o failur e o r delay b y EP A t o acknowledge , o r

mak e adecisio n with regar dto , an y reques t b y Responden t

t o deviate fro man y approve dpla n o r

schedul e o r

fro mth e requirement s an dprocedure s se t fort h i n th e Work

Pla n shal l reliev e Responden t

o f it s obligation s t o compl y wit h al l requirement s o f

thi s Orde r

unles s i t i s formall y modifie di n accordanc e wit h th e procedure s se t

fort h herein . XII . NOTIC E O F COMPLETIO N 57 . Whe n EP A determines , afte r EPA' s revie w o f

th e Fina l Report , tha t

al l Work ha s bee n full y performe di n accordanc e with thi s Order , wit h th e exceptio n o f

an y continuin g obligation s require db y thi s Order , EP A wil l provid e notic e t o Respondent . I f EP A determine s that

an y Remova l Action s hav e no t

bee n complete di n accordanc e wit h thi s Order , EP A wil l notif y Respondent , provid e alis t

o f th e deficiencies , an drequir e that Responden t

modif y th e Wor

k Plan t o correc t

suc h deficiencies . Th e Responden t shal l implemen t

th e modifie dan dapprove dWork Pla n an dshal l submi t amodifie dFina l Report

i n accordanc e wit

h th e EP A notice . Failur e b y Responden t t o implemen t

th e approve dmodifie dWork Plan shall b e aviolatio n o f thi s Order . XIII . ACCES S T O ADMINISTRATIV E RECORD 58 . Th e Administrativ e Recordsupportin g thes e Remova l Action s i s availabl e fo r revie w durin g norma l busines s hour s at th e EP A Regio n 8 Superfun dRecord s Cente r o n th e 5 t

hfloor , at 99 9 18 t hStreet , i n Denver , CO . XIV . OPPORTUNIT Y T O CONFE R 59 . Withi n fiv e (5 ) day s afte r th e effectiv e dat e o f

thi s Order , Respondent

may reques t

a conferenc e wit

h EPA . Any such conferenc e shal l b e hel dwithi n seven (7 ) day s afte r th e effectiv e dat e unles s extende db y agreemen t o f EP A an dRespondent . A t an y conferenc e hel dpursuan t t o th e 1 4

### request , Responden t may appea

r i n perso n o r

b e represente db y an attorne y o r othe r representative . 60 . I f aconferenc e i s held , Responden t may presen t

an y information , argument s o r comment s regardin g thi s Order . Regardles s o f whether aconferenc e i s held , Responden t may submi t

an y information , argument s o r comment s i n writin g t o EP A withi n thre e (3 ) day s followin g th e conference , o r

withi n te n (10 ) day s followin g issuanc e o f th e Order i f n o conferenc e i s requested . Thi s conferenc e i s no t

an evidentiary hearing , doe s no t constitut e aproceedin g t o challeng e thi s Order , an ddoe s no t

giv e Responden t

arigh t t o see k revie w o f thi s Order . Request s fo r

aconference , o r an y writte n submitta l unde r thi s Paragraph , shal l b e directe dt o Jame s Stearns , Enforcemen t Attorney , U.S . EPA (8ENF-L) , 99 9 18 t h

### Street , Suite 300 , Denver , C O 80202-2466 , telephon e (303 ) 312-6912 . XV . INSURANC E 61 . A t leas t seve n (7 ) day s prio r

t o commencin g an y on-sit e Work unde r thi s Order , Responden t

shal l secure , an dshal l maintai n fo r th e duratio n o f

thi s Order , comprehensiv e genera l liabilit y insuranc e an dautomobil e insuranc e wit h limit s o f

tw o millio n dollars , combine dsingl e limit . Withi n th e same tim e period , Responden t shal l provid e EP A with certificate s o f suc h insuranc e an dacop y o f

eac h insuranc e policy . I f Responden t

demonstrate s b y evidenc e satisfactor y t o EP A mat

an y contracto r

o r subcontracto r

maintain s insuranc e equivalen t t o that describe dabove , o r insuranc e coverin g th e same risk s bu t i n alesse r amount , the n Respondent nee dprovid e onl y that portio n o f th e insuranc e describe dabov e whic h i s no t maintaine db y suc h contracto r o r subcontractor . XVI . ADDITIONA L REMOVA L ACTION S 62 . I f EP A determine s tha t

additiona l remova l action s no t include di n a n approve dpla n ar e necessar y t o protec t

publi c health o r

welfar e o r

th e environment , EP A wil l notif y Responden t

o f that determination . Unles s otherwis e state db y EPA , withi n thirty (30 ) day s o f receip t o f notic e fro m EP A that additiona l remova l action s ar e necessar y t o protec t

publi c health o r

welfar e o r

th e environment , Responden t shal l submi t

fo r approval b y EP A aWor

k Pla n fo r th e additiona l remova l actions . ITi e draf

t Work Pla n shal l provid e adescriptio n of , an dan expeditiou s schedul e for , th e actio n require db y EPA a s additional remova l actions . EPA ma

y approve , disapprove , requir e revision s to , o r

modif y th e draf t Work Plan . I f EP A require s revisions , Responden t shal l submi t

a revise ddraf

t Wor k Pla n withi n (20 ) day s o f

receip t o f EPA' s notificatio n o f

th e require drevisions . Responden t

shal l implemen t

th e Work Pla n a s finall y approve di n writin g b y EP A i n accordanc e wit h th e provision s an dschedul e approve db y EPA . Onc e approved , o r approve dwit

h modifications , th e Work Plan , th e schedule , an dan y subsequen t modification s shal l b e full y enforceabl e unde r thi s Order . Responden t

shal l notif

y EP A at leas t 4 8 hour s prio r

t o performin g an y on-site wor k pursuan t t o th e EP A approve dWork Plan . Responden t

shal l no t commenc e o r

undertak e an y remova l action s a t th e Sit e withou t prio r EP A approval . Thi s Sectio n doe s no t alter o r diminis h th e EP A Projec t Coordinator' s authorit y t o mak e oral modification s t o an y pla n o r schedul e pursuan t

t o Sectio n XI . XVII . SEVERABILIT Y 63 . I f acourt issue s an orde r

that invalidate s an y provisio n o f thi s Orde r

.o r find s that Responden t

ha s sufficien t

caus e no t

t o compl y wit

h on e o r mor e provision s o f

thi s Order , 1 5Responden t

shal l remai n boun dt o compl y with al l provision s o f thi s Orde r

no t invalidate do r determine dt o b e subjec t

t o asufficien t

caus e defens e b y th e court' s order . XVIII . EFFECTIV E DAT E j ^ c \4jtdf 64 . Thi s Orde rshal l b e effectiv e fiv e (5 ) day s afte rth e Orde ri s signe d b y EPA . I T I S S O ORDERED ; 

### By:(^W4^/// f 

### S/ZK f ^ /ft-A*£» . Date 

### . ^David Ostrander, Direcfer

v Preparedness , Assessment , an dEmergenc y Respons e Progra m Offic e o f Ecosystem s Protectio n an dRemediatio n U.S . Environmenta l Protectio n Agency , Regio n 8 EFFECTIV E DATE : ^' ^

•1 6

### I n th e Matte r of : Atlanti c Richfiel dCompany ; Conservatio n Are aRemova l Site EP A Docke t

No . CERCLA-08-2006-001 0 Th e undersigne dhereb y certifie s tha t th e origina l an don e cop y o f th e attache d UNILATERA L ADMINISTRATIV E ORDE RFO RREMOVA L RESPONS E ACTIVITIE S wa s hand-carrie dt o th e Regiona l Hearin g Clerk , EP A Regio n 8 , 99 9 18th Street , Denver , Colorado , an dthat atru e cop y o f

th e sam e wa s sent vi afirs t clas s mai l to : Richar dO . Curley , Jr . Counse l fo r

Atlanti c Richfiel dCompan y Hollan d& Hart , L.L.P . P.O . Bo x 874 9 Denver , C O 80201-874 9



## . 

## ' 7 Date n an dprin t nam e below ] 

# M . H e

# llr^r ^

REGIONA L MA P •vssft' ,

VICINIT Y MA P Genero l Note s

STAT E O F UTA H

Revision/Issu e Dot e

ATLANTI C RICHFIEL D COMPAN Y IS&R/CAR R FOR K



### ANDERSO N ENGINEERIN G COMPANY . INC .

DRAW N BY : GK L ENGINEER LOCATIO N MA P REMEDIA L INVESTIGATIO N

TOOELE . UTA H

THESE PUNS AND SPECIFICATIONS

ARE THE PROPERTY

OF ANDERSON

ENGINEERING

COMPANY, INC., 977 WEST 2100 SOUTH, SALT LAKE CITY, UTAH. B4119

AND SHALLNOT

BE COPIED, REDUCED, OR REPRODUCED

WITHOUT

THEIR WRITTEN

PERMISSION. "" " 97-06 9 Dqi * MAR-03 NT S ShM I " ^ FIGUR E 

### 1

^OAP I ARE A TO B E CAPPE D (>8.000Pb/900As ) ISSAREATOB E EXCAVATE D AN D BACKFILLE D

ACCES S ROUT E TO REMEDIA L ARE A ROAD S T O B E REGRADED . SE E SECTIO N 1

••• • ATLANTI C RICHFIEL D COMPAN Y PROPERT

Y LIN E

.- * PROJEC T WATE R -SOURC E ATLANTI C RICHFIEL D COMPAN Y

SIT E PLA N O F REMOVA L ACTIO N IS& R CONSERVATIO N

ARE A REMOVA L ACTIO N 

# t

THESE PLANS AND SPECIFICATIONS

ARE THE PROPERTY

OF ANDERSON

ENGINEERING

COMPANY, INC., 977 WEST 2100 SOUTH, SALT LAKE CITY. UTAH, 84119

AND SHALLNOT

BE COPIED, REDUCED, OR REPRODUCED

WITHOUT

THEIR WRITTEN

PERMISSION.

# t'4f t UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y REGIO N 8 99 9 18 TM STREET - SUIT E 20 0 DENVER , C O 80202-246 6 Phon e 800-227-891 7 http://www.epa.gov/region0 8 Ref : 8EPR-S R ENFORCEMEN T ACTIO N MEMORANDU M 6-20-0 6

SUBJECT : Reques t

fo r Tim e Critica l Remova l Actio n (TCRA ) a t th e Internationa l Smeltin g an dRefinin g (IS&R) Conservatio n Are ao f th e IS&RSite , Tooel e County , Utah FROM : Em aWaterma n

RP M 

### THROUGH : Ber

t Garcia , Directo r Superfun dRemedia l Pro " Davi dOstrander , Directo r Emergenc y Respons e Program Kathi e Atencio , Uni t

B Leader Superfun dRemedia l Program TO : Max H . Dodson , Assistan t Regiona l Administrato r Offic e o f Ecosystem s Protectio n an dRemediatio n Site I D #086 Y Category o f

Removal : Tim e Critica l b y Potentia l Responsibl e Party (PRP ) I . PURPOSE : Th e purpos e o f

thi s Actio n Memorandu mi s t o reques t an ddocumen t

approva l fo r

th e propose d Remova l Actio n describe dherei n fo r aportio n o f

th e Internationa l Smeltin g an dRefinin g Superfun dSit e (UTD093120921 ) i n Pin e Canyon , Utah (IS& RSite) . Condition s existin g at thi s Site presen t

a n endangermen t

t o huma n health an dth e environmen t an dmee t th e criteri afo r initiatin g aRemova l Actio n unde r 4 0 C.F.R . Sectio n 300.415(b)(2 ) o f th e Nationa l Contingenc y Pla n (NCP) . Th e action s discusse di n thi s memorandu mare anticipate dt o requir e les s tha n 1 2 month s t o complete . Thi s Actio n Memorandu mdocument s th e Agency' s selectio n o f aremova l (response ) actio n describe dbelow : Thi s Remova l Actio n require s th e remova l an dcappin g o f several isolate darea s locate di n th e IS& RConservatio n Area . Curren t condition s at

th e Conservatio n Are aindicate that ther e ar e som e pocket s o f

contaminate dsoi l whic h nee dremoval . Onc e th e contaminatio n ha s bee nremoved , placemen t o f a t leas t 1 2 inche s o f

clean fil l over

thes e area s followe db y gradin g an d placemen t

o f nativ e gras s seed s t o establis h ahealth y environmen t fo r thi s community . II . SIT E CONDITION S AN D BACKGROUN D Sit e Descriptio n Copper smeltin g began at

th e Sit e i n 191 0 an dcontinue dunti l 1972 . Th e 1,200 acr e IS& RSit e wa s place do n th e Nationa l Prioritie s Lis t (NPL ) o n Jul y 27,2000 . Th e Site consist s o f

land s impacte db y histori c smeltin g an dmillin g activitie s whic h too k plac e i n thi s are ai n th e earl y t o mi d1900's . Th e are at o b e remediate dunder thi s Remova

l Actio n i s owne db y Atlanti c Richfiel dCompan y (ARCO) , whic h i s a n affiliat e o f Britis h Petroleum , an di s manage db y th e Stat e o f Utah , Divisio n o f

Wildlife , pursuan t

t o a conservatio n easemen t

betwee n th e Divisio n an dARCO . Th e are ainvolve dencompasse s al l o f th e Atlanti c Richfiel dpropert y where th e smelte r

an dtailing s impoundment s onc e stood . Th e Managemen t Pla n fo r thi s are ai s entitle dCar

r For k Reclamatio n an dWildlif e Managemen t

Area . Th e Pla n wa s execute do n Augus t 24 , 1995 . Se e Figure s 1 an dCl . Physica l Locatio n Th e IS& RSit e i s locate dnea r Pin e Canyo n an dth e City o f Tooele , Utah , approximatel y 3 0 mile s southwes t

o f Sal t Lak e City , i n Tooel e County , Utah . Th e IS& RSit e i s locate d i n Section s 7 , 18 , 19 , an d3 0 o f T3S-R3 W an dSection s 12,13 , 14 , 23 , an d2 4 o f T3S

R4W , Sal t

Lake Meridian . Th e IS& RSit e i s roughl y bounde db y th e Oquirrh mountain s t o th e east , rura l an dresidentia l farmlan do n th e north an dsouth , an dPin e Canyo n Township an dth e Cit

y o f Tooel e to th e west . Thi s Removal Actio n wil l addres s th e Conservatio n Are aportio n o f th e IS& RSite . A depictio n o f th e Site wit h th e propose d action s i s presente di n Figure s 1 an dCl . Sit e Characteristic s Copper smeltin g began at

th e IS& RSit e i n 191 0 an dcontinue dunti l 1972 . A n estimate o f 650,00 0 ton s ayea

r o f wast e slag , dus t

an dtailing s wer e produce dat thi s facilit y annually . Th e PR P demolishe dth e building s an dscrape dth e lan da s wel l a s constructe d an on-sit e 21 5 cubi c yardwaste isolatio n cel l t o hol dth e debri s unde r a198 6 voluntary agreemen t

wit h th e Stat e o f

Utah . Th e are awa s subjec t t o prio r soil s remediatio n an dre vegetation , bu t

furthe r investigatio n reveale dthat area s o f contaminatio n an darea s o f stresse dvegetatio n stil l exist . Releas e o rThreatene d Releas e int o th e Environmen to f a Hazardou s Substance , o r Pollutan to rContaminan t Leadan darseni c are th e primary contaminants o f concern . Thes e contaminant s hav e been release dint o th e soil s b y histori c smeltin g an drefinery activities . Th e soil area s needin g remediatio n hav e bee n foun dt o hav e lea dan darseni c abov e th e trigger value sagree dupo n b y th e EP A an dUta h Departmen t o f Environmenta l Quality a s detaile di n a lette r fro mth e EP A t o th e PR P o n Marc h 23,2006 . Additiona l detail s ar e availabl e i n th e Remedia l Investigatio n Report date dAugus t

2004 . Th e actio n leve l fo r thi s soi l i s 90 0 pp marseni c an d8,00 0 pp mfo r lead . NP L Statu s A Preliminar y Assessment/Sit e Investigatio n (PA/SI ) wa s complete di n 198 4 fo r th e Site b y th e Uta h Departmen t

o f Environmenta l Qualit y (UDEQ) , wit h additiona l expande d Sit e Investigatio n (SI ) work complete di n 199 5 an d1996 . Th e wor k t o b e performe d unde r thi s Remova l Actio n i s o n th e Internationa l Smeltin g an dRefinin g Superfun dSite whic h wa s liste do n th e Nationa l Prioritie s Lis t o n Jul y 27 , 2000 . OTHE RACTION S T O DATE : + I n 198 6 an d198 7 th e PR P performe dextensiv e voluntar y reclamatio n respons e action s a t th e property t o contro l potentia l risk s t o healt h an dth e environment . Detail s o f thi s effor t

ar e provide di n th e Remedia l Investigation s Report , Augus t 2004 , Sectio n 1.3. 5 (Previou s Reclamatio n Remedia l Actions ) at page s 1.2 5 thru 1.32 . + Th e PR P prepare daRemedia l Investigatio n (RI ) - Feasibilit y Study (FS ) unde r an Administrativ e Orde r

o n Consen t

(AOC ) + Th e PR P conducte daTim e Critica l Remova l Actio n a t th e Pin e Canyo n Townshi p residentia l properties . Th e Actio n Memorandu mwa s signe do n Jul y 16 , 2004 , an dthi s wor k

wa s complete di n th e fal l o f 2005 . + Th e PR P conducte daTim e Critica l Remova l Actio n fo r th e Tooel e County Rai l Roa dbe dwhic h include dcontaminate dsoil s locate di n an daroun dsom e residence s an dth e loca l gol f course . Thi s work

wa s conducte ddurin g th e summer of2005 . + Th e Remedia l Investigatio n (RJ ) Report fo r th e sit e detail s area s wher e soi l exceed s th e actio n level s establishe dfo r thi s remova l action . STAT E AN D LOCA L AUTHORITIE S ROLE S UDE Q i s th e support

agenc y fo r

oversigh t o f th e Remedia l Investigation/Feasibility Stud y (RI/FS ) fo r

thi s Site . UDE Q wa s activel y involve di n th e preliminar y investigation s an dwil l continu e t o pla y avita l rol e i n thi s Remova l Action . Ton y Howes , Projec t Manage r fo r Utah Departmen t

o f Environmenta l Qualit y (UDEQ ) wil l b e providin g oversigh t a s wel l a s EP A contracto r TTElVl I a s addresse di n thi s Actio n Memorandum . I n addition , Mr . Howe s reside s i n Tooel e County . I n additio n t o th e UDEQ , th e Tri County Health Departmen t ha s playe dan activ e rol e i n contactin g th e publi c regardin g th e risk s fro marseni c an dlea dcontaminate dsoils .

### They along with other s fro mth e communit y participate i n aCommunit y Actio n Grou p (CAG) whic h meet s quarterl y at

th e Healt h Departmen t

regardin g activitie s at

thi s Site . THREAT S T O PUBLI C HEALT H O RWELFARE O RTH E ENVIRONMENT , AN D STATUTOR

Y AND REGULATOR

Y AUTHORITIE S Pas t an dCurren t

Threat s to Publi c Healt

h o r Welfar e Condition s at

th e Sit e presen t

a n imminen t

an dsubstantia l endangermen t t o huma n health an dth e environmen t

an dmee t th e criteri afo r

initiatin g aRemova l Actio n unde r 4 0 C.F.R . sectio n 300.415(b)(2 ) o f th e NCP . Th e followin g factor s fro mSectio n 300.415(b)(2 ) o f

th e NC P for mth e basi s fo r EPA' s determinatio n o f

th e threa t presente d an dth e appropriat e actio n t o b e taken : (i ) Actua l o r

potentia l exposur e t o nearb y huma n populations , animal s o r th e foo d chai n fro mhazardou s substance s o r contaminants ; (ii ) Hig h level s o f

hazardou s substances , largel y at o r nea r th e surfac e o f

residentia l soil s tha t may migrate . Th e residential soil s were cleane du p durin g th e summer of2005 . Additiona l detail s can b e foun di n adocumen t entitle dHuma n Healt

h Cleanup Level s fo r Arseni c an dLea di n Soi

l at th e IS& RSite , prepare db y Syracus e Researc h Corporation , i n 2003 . Se e Attachmen t

2 - Lette r fro mEPA regardin g actio n levels . Threat s t o th e Environmen t Th e primar y threat

identifie di s exposure t o huma n populations . Pets , an dt o alesser degre e wildlife , woul db e affecte da s the y com e into direc t

contac t with th e contaminatio n withi n th e residentia l areas . Additiona l detail s can b e foun di n adocumen t entitle dBaselin e Ecologica l Ris k Assessment

fo r th e Internationa l Smeltin g & Refinin g Site , Tooele County , Utah , whic h wa s prepare db y Syracus e Researc h Corporation , hi 2004 ENDANGERMEN T DETERMINATIO N Th e actual o r

threatene drelease s o f

hazardou s substance s fro mthi s Site , i f no t addresse db y implementin g th e respons e actio n selecte di n thi s Actio n Memorandum , may present an imminent an dsubstantial endangerment to publi c healt

h o r welfar e o r

th e environment .PROPOSE D ACTION S AN D ESTIMATE D COS T

1 ) Th e mos t

extensiv e reclamatio n o f

th e Sit e too k

plac e i n 1986 . Subsequen t smalle r action s hav e als o addresse dremainin g issue s at th e site . Th e remainin g wor k i s fo r localize darea s wher e th e previousl y installe dcap i s no t currentl y supportin g adequate vegetatio n o r

area s where smelter

residue s remain . Th e current actio n level s fo r lead(8,00 0 ppm ) an darseni c (90 0 ppm ) ar e lowe r tha n wha t

wa s initiall y determined . 2 ) At severa l locations , ther e i s evidenc e o f smelte r residue s o n th e surfac e whic h wil l b e excavate dt o adepth o f 1 2 inches , an dth e materia l wil l the n b e remove dt o th e on--sit e repository . Excavate darea s wil l b e backfilled , an dth e surfac e seede dwith nativ e grasse s an dforbs . 3 ) Som e stormwate r

control s constructe da s par t o f th e reclamatio n work

requir e som e modificatio n an drepair . Thi s wil l entai l constructin g berm s an dwaterway s an d placin g erosio n contro l material s (ri p rap ) a s detaile di n th e Work Plan . 4 ) Additional cleanu p an dremediatio n work t o b e performe dinclude s backfillin g area s aroun dol dfoundation s an dvault s tha t hav e experience dsubsidenc e sinc e th e reclamatio n work

wa s completed . Al l clea n fil l material s wil l b e obtaine do n site . Importe dmaterial s ma y includ e roc k

products , erosio n mat

an dsoi l amendments . Al l disturbe darea s wil l b e seede dwit h nativ e species . Anticipate dequipmen t

requirement s includ e excavators , mediu msiz e dozers , 10-wheel siz e dump trucks , an droa dmaintenanc e equipment . Al l wor k wil l b e performe di n o r

near area s o f publi c acces s an dmus t

b e performe dwit h du e regardt o publi c safety an dminima l inconvenience , Dus t

contro l an dtrackin g ont o publi c road s wil l b e properl y managed . Th e action s discusse di n thi s memorandu mar e anticipate dt o requir e les s tha n 1 2 month s fo r completion . Base do n th e natur e o f

th e Sit e condition s an dresponse , ther e ar e n o nationall y significan t o r precedent-settin g issue s associate dwit h thi s Remova l Action . Th e action s discusse di n thi s memorandu mar e anticipate dt o requir e les s tha n 1 2 month s fo r completion . CONTRIBUTIO N T O REMEDIA L PERFORMANC E Thi s Remova l Actio n i s consisten t wit h th e long-termremedia l actio n anticipate dt o b e take n at th e IS& RSite . Descriptio n o f

Alternat e Technologie s Alternativ e technologie s wer e develope dbase do n th e intende dan dactual lan dus e designatio n a

t th e Remova l Site . Tw o option s wer e considere dan devaluate dbase do noveral l protectio n t o huma n healt h an dth e environment , shor t an dlon g ter

m effectiveness , implementabilit y an dcost . (1 ) Excavat e al l soil s (0-1 2 inche s belo w groun dsurfac e (bgs) ) abov e remediatio n ("action" ) level s an dbackfil l wit h clean topsoil . (2 ) Cover al l soil s (0-1 2 inche s bgs ) abov e remediatio n level s with clea n topsoil . Engineerin g Evaluation/Cos t Analysi s (EE/CA ) A n EE/C A i s no t

require dfo r

thi s actio n a s aRemedia l Investigatio n (RI ) wa s prepare d fo r thi s Site . Th e chosen remedial optio n i s base do n it s superio r protectio n o f

human healt h an dth e environmen t consisten t

wit h th e cleanup s tha t

hav e bee n performe da t othe r portion s o f

th e NP L Site . Applicabl e o r

Relevan t an dAppropriat e Requirement s (ARARs ) Thi s Remova l Actio n wil l attain , t o th e exten t practicable , considerin g th e exigencie s o f th e situation , al l applicabl e o r relevan t an dappropriat e Federal , State o r local standards , criteri ao r regulation s (ARARs) , whichever are more stringent , fo r

thi s Remova

l Action . Se e Attachmen t

3 fo r ARA Rlis t 

### Projec t Schedul e

• s Th e cleanu p wil l b e conducte di n th e Jul y an dDecember , 2006 . Estimate dCos t Th e estimate dcos t

fo r thi s work

i s les s tha n tw o millio n dollar s an dwil l b e preforme d an dpai dfo r

b y th e PRP . Oversigh t

wil l b e conducte dfo r

th e EP A b y TTEMI consultant s i n coordinatio n wit h th e Uta h Departmen t o f Environmenta l Quality . Expecte dchang e i n th e situatio n shoul dactio n b e delaye do r no t taken . I f n o removal actio n i s take n o r i f actio n i s delayed , th e wildlif e habitat a s wel l a s children visitin g th e conservatio n are awoul db e expose dt o stresse dhabitat s an dsoil s that hav e lea dan darseni c contamination . Outstandin g Polic y Issue s Base do n th e natur e o f

th e Sit e condition s an dresponse , ther e ar e n o nationall y significan t o r precedent-settin g issue s associate dwit h thi s Remova l Action .

### EXPECTE D CHANG E I N TH E SITUATIO N SHOUL D ACTIO N B E DELAYE D

O RNO T TAKE N I f n o remova l actio n i s take n o r i f actio n i s delayed , th e resident s i n th e Site wil l continu e t o b e expose dt o hig h level s o f lea dan darsenic . Th e contaminatio n woul dcontinu e t o presen t a n unacceptabl e ris k

t o th e huma n an dnon-huma n populations . ENFORCEMEN T Thi s work i s bein g conducte d though th e us e o f EPA CERCL

A enforcemen tauthority . EP A anticipate s tha tth e PR Pfo rthi s Sit e wil l b e completin g thi s wor k unde ra n amendmen tt o th e Unilatera l Administrativ e Orde rissue d fo rpreviou s removal wor k performe d a tth e IS& RNP L Site . A cop y o f th e Enforcemen tMemorandu m (Confidential ) ca n b e foun d a s Attachmen t4 . ADMINISTRATIV E RECORD Th e administrativ e recor d fo rthi s actio n i s include d i n th e Administrativ e Recor d maintaine d fo rth e IS& RNP L Site . Th e Administrativ e Recor d fo rth e IS& RSit e i s hereb y incorporate d int o thi s documen ta s i f full y se tforth herein . RECOMMENDATION S Thi s documen t

represent s th e selecte dRemova l Actio n fo r th e IS& RSit

e i n Tooel e County , Utah . Th e selecte dRemova l Actio n wa s develope di n accordanc e wit h CERCLA , a s amended , an di s consisten t wit h th e NCP . Thi s decisio n wa s base do n th e administrativ e recordfo r

th e Site . Condition s at

th e Sit e me t

th e NC P criteri afo r

remova l se t

fort h i n 4 0 C.F.R . Sectio n 300.41 5 (b ) (2 ) an dI recommen dyou r approva l o f

th e propose dPR P leadRemova l Action . Approve^X-—p- ^J^Jr^^MV Date: \c• 2~x> - Ma x H . Dodso n Assistan t Regional Administrato r Offic e o f Ecosystem s Protectio n an dRemediatio n Disapprove : Date :

Max H . Dodso n Assistan t Regiona l Administrato r Offic e o f EcosystemProtectio n an dRemediatio nPrinted on Recycled

PaperARE A TO B E CAPPE D (>8,OOOPb/900As ) OAPI-AREATOB E EXCAVATE D AN D CAPPE D '? " AREA S T O T O B E CAPPE D A

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TEMPORAR Y ROAB " CA N B E BUILT/B

Y CONTRACT O IS&R/CAR R FOR K TOOELE , UTA H

THESE PMNS AND SPECIFICATIONS

ARE THE PROPERTY

OF ANDERSON

ENGINEERING

COMPANY. INC., 977 WEST 2100 SOUTH, SALT LAKE CITY. UTAH, 84119

AND SHALLNOT

BE COPIED, REDUCED, OR REPRODUCED

WITHOUT

THEIR WRITTEN

PERMISSION. "•p* - 9748 9 D«u 7APR-06 Scc ^ AS SHOWN V Sl» t " " 

# 0- 1

### REGIONA L MA P VICINIT Y MA P

THESE PLANS AND SPECIFICA TIONS

ARE THE PROPERTY

OF ANDERSON

ENGINEERING

COMPANY. INC., 977

WEST 2100 SOUTH. SALT LAKE CITY. UTAH. 84119

AND SHALLNOT

BE COPIED. REDUCED, OR REPRODUCED

WITHOUT

THEIR WRITTEN

PERMISSION. Genera l Note s

STAT E O F UTA H

No . Revision / issu e Dot e

ATLANTI C RICHFIEL D COMPAN Y IS&R/CAR R FOR K



### ANDERSO N ENGINEERIN G COMPANY . INC .

DRAW N fff : CK L ENGINEER : APPROVED LOCATIO N MA P REMEDIA L INVESTIGATIO N

TOOELE , UTA H

" " 97-06 9 Dol l MAR-03 Scal e NT

S FIGUR E



### 1 

# J' 1 UNITE D STATE S ENVIRONMENTA L PROTECTIO N AGENC Y REGIO N 8 9 

### " 1 8 

### TM STREET - SUIT E 30 0 DENVER , C O 80202-246 6

Ref : 8EPR-S R3/23/0 6 Ms . Pa mKay e ARC O Environmenta l Remediation , LL C 31 7 Anacond aRd . Butte,M T 5970 1 SUBJECT : Cleanu p Level s a t Internationa l Smelte r ari dRefiner y Sit e 

### Dea rPam : Th e Environmenta l Protectio n Agenc y (EPA ) an dUta h Departmen t

o f Environmental Qualit

y (UDEQ ) hav e determine dtha t th e cleanu p leve l o f

90 0 pp mfo r

Arseni c an d800 0 pp mfo r Lead b e me t fo r th e conservatio n area . Thes e level s wer e derive dfor mboth huma n healt h ris k studie s complete do n thi s are aan dsit e specifi c concern s regardin g potentia l o f exposure t o part s o f

th e conservatio n are ab y children . Th e followin g i s adiscussio n o f th e steps-take n t o establis h thes e remedia l actio n cleanu p levels : Th e Baselin e Huma n Health Ris k Assessmen t

(6/2003 ) wa s prepare dfo r EP A b y Syracus e Researc h Coiporatio n (SRC) . Subsequently , SR C prepare dtw o additiona l memos , on e title d "Huma n Health Risk-Base dConcentration s fo r Arseni c an dLea

di n Soil a

t th e IS& RSite " date d 6/23/2003 , th e secon dtitle d"Human Health Cleanu p Level s fo r Arseni c an dLeadi n Soi l at th e IS& RSite " (RA L Memo ) date dJul y 22 , 2003 . UDE Q provide dcomment s t o th e document s o n 9/25/03 . ARC O provide dcomment s t o th e RA L Mem o o n 10/8/03 . EP A responde dt o UDE Q an dPRP comment s o n 10/23/03 , an dthe n issue dfina l version s o f th e memo s o n 3/24/04 . I n mid-Apri l 2004 SR C prepare destimate s o f th e acreag e requirin g cleanu p ove r arang e o f potentia l cleanu p value s fo r bot h Arseni c an dLeadat th e sit e (4/19/200 4 email) . Th e cleanu p valu e rang e fo r

Arseni c wa s fro m8 9 pp mfo r th e Chroni c RB C t o 4,54 5 pp mfo r th e Acut e RB C (Arseni c RBC s wer e base do n recreationa l visito r exposures) . Th e acreag e fo r Arseni c cleanu p range dfro m1,22 9 acre s a t 8 9 pp mt o .5 6 acre s a

t 4,54 5 ppm . Fo r

Leadth e RB C rang e wa s fro m 2,32 1 pp mfo r

Chroni c RB C t o 14,85 0 pp mfo r acute exposur e (LeadRBC s wer e base do n a chil dvisito r

t o th e site) . Th e acreag e requirin g Leadcleanu p range dfro m27 6 acre s at 2,32 1 pp m to 3.0 7 acre s a

t 14,85 0 ppm . Beginnin g i n Apri l 200 4 an dcontinuin g int o Jul y 2004 , EP A an dUDE Q ha dseveral discussion s regardin g selectio n o f

th e fina l cleanu p level s fo r th e on-sit e soil s at

IS&R . EP A an dUDE Q ris k manager s use dth e informatio n provide db y th e ris k assessors , an didentifie dth e followin g concerns :• Cleanu p level s shoul dreflec t amore conservativ e valu e tha n th e acute leve l RBC s indicate dfo r

Leadan dArsenic . Thi s wa s base do n th e possibility tha t childre n may visi t on e specifi c are amor e frequently , henc e increasin g thei r exposure potential . • Lower

Arseni c cleanu p level s ar e mor e appropriat e du e t o uncertainty fo r Arseni c bioavailability factors . • Generall y th e area s o f hig h concentration s hav e les s vegetatio n whic h coul dlea dt o preferentia l visitatio n t o thos e areas . • Th e entir e on-sit e are awil l likel y com e unde r increase dvisitatio n a s residentia l developmen t

encroache s o n th e site . • Th e nee dt o b e consisten t wit h cleanu p level s at

othe r Superfun dsite s i n Utah . SRC' s acreag e estimate s indicate dtha t at 800 0 PPM , approximatel y mid-rang e o f th e possibl e cleanu p level s fo r

Lead , an estimate d1 6 acre s o f on-sit e surfac e are awoul dnee dt o b e addressed . Correspondingly , acleanu p leve l o f 90 0 PP M Arsenic , wit h aChroni c RB C at 1E-04 , woul d require abou t

1 4 acre s o f

cleanup . Base do n th e ris k

managemen t

concern s an dcleanu p acreag e informatio n describe dabov e i t wa s determine db y th e agencie s tha t cleanu p level s o f

800 0 PP M Lea

dan d90 0 PP M Arseni c woul d b e protectiv e o f

Huma n Health at

th e site . Subsequently , EP A formalize dth e cleanu p level s i n a Jul y 15 , 200 4 lette r

t o th e ARC O (se e attache dletter) . Unfortunatel y tha t lette r wa s never transmitte dt o ARCO . Thi s lette r serve s t o submi t

thi s lette r

t o ARC O an dt o discus s th e proces s th e agencie s wen t

throug h t o establis h th e cleanu p number s fo r th e site . EP A an dUDE Q loo k

forwar dt o meetin g with yo u at ou r nex t Community Actio n Meetin g (CAG ) schedule dfo r

May 9 , 2006 . I n addition , w e ar e ope n t o conferenc e call s regardin g thi s sit e whe n yo u reques t

atim e fo r

acall . Pleas e cal l m e at

303-312-676 2 i f

yo u hav e an y question s regardin g thi s site . Regards , Em aWaterman , RP M EP A Regio n 8

Bo b O'Brien , P M UDE Q

cc : S . Anderson , Anderso n Engineerin g J . Coombs , Tooel e County Healt hTabl e 4- 1 Potentia l Chemical-Specifi c ARAR s Actio n Protectio n o f Surfac e Wate r Protectio n o f Surfac e Wate r Groundwate r Protectio n Sit e Reclamatio n Citatio n UA C R3 1 7-2- 2 UAC R 317-1- 2 UACR317-6- 1 throug h 6- 5 UA C R 3 15-8- 6 UA C R307-20 5 Criteri a Wate rQuality Protectio n Surfac e Wate rDischarg e Substantiv e Requirement s Groun d Wate rQualit

y Protectio n Rul e Emissio n Standards : Fugitiv e Emission s an d Fugitive Dust ARA R Determinatio n APPLICABL E T O AL L WATER S O F TH E STATE . APPLICABL E I F POIN T SOURC E DISCHARGE . APPLICABL E APPLICABL E Prerequisit e Water s o f th e Stat e Poin t Sourc e Discharg e Discharg e o rPotentia l Discharg e int o Groundwate r Emission s fro m disturbe d surfac e area s Comment s

-

- Fugitiv e dust wil l b e controlle d durin g constructio n activities . A Fugitiv e Dus t Contro l Pla n wil l b e submitte d t o th e Divisio n o f Ai r Quality prio rt o initiatin g th e sit e reclamatio n work . FEDERAL : STATE :

200 6 Maintenanc e Actio n Wor k Pla n 1 6 Atlanti c Richfiel d Compan y

### Tabl e 4- 2 Potentia l Location-Specifi c ARAR s Actio n Sit e Reclamatio n

Sit e Reclamatio n

Protectio n o f Surfac e Wate r

Sit e Reclamatio n Sir e Reclamatio n STATE : Citatio n 3 6 CF R Par

t 80 0 1 6 US C §470- 1 16USC§469a- 1

4 0 CF R Par

t 23 0 3 3 CF R Par

t 32 8 Executiv e Orde r1199 0

1 6 US C §§1532 , 1533 , 1538 , 1539 , 154 1 1 6 US C § § 703 , 70 4 R315.8-2. 9 Criteri a Histori c projec

t owne d o r controlle d b yFedera l agency . Cultura l Resource s

Wetland s

Protectio n o f endangere d specie s an d migrator

y bird s Locatio n Standard s fo r RCR A facilitie s 7^ f\rv\n Determinatio n APPLICABL E

APPLICABL E

APPLICABL E

APPLICABL E APPLICABL E Prerequisit e Presenc e o f historicall y significan t structures , feature s o rsite s

Presenc e o f historica l o r archeologica l site s Presenc e o f Wetland s

Presenc e o f endangere d specie s o r habitat a t th e sit e Locatio n o

f sit e i n relatio n t o standard s fo r RCRA . facilitie s Comment s I f propertie s eligibl e fo rlistin g o n th e Nationa l Registe ro f Histori c Place s are identified , the n measure s wil l b e take n to preserve histori c propertie s an d minimiz e har m a s appropriate . I f an y remedia l activity wil l caus e irreparabl e loss o rdestructio n o

f significan t cultura l resources , dat a recover y an d preservatio n activitie s wil l b e conducte d i n accordanc e wit h thes e requirements . Fo ral l alternatives , measure s woul d b e take n t o avoi d advers e effects , minimiz e potentia l harm , an d preserv e an d enhanc e wetlands , t o th e exten t possible . I f wetlan d impacts d o occur , measure s woul d b e take n t o restor e o rmitigat e wetlands .

FEDERAL :

200 6 Maintenanc e Actio n Wor k Pla n 1 7 Atlanti c Richfiel d Compan y

### Tabl e 4- 3 Potentia l Action-Specifi c ARAR s Actio n Sit e Reclamatio n Soli d o rHazardou s Wast e Remediatio n Soli d Wast e Remediatio n Sit e Reclamatio n Sit e Reclamatio n

Sit e Reclamatio n Citatio n 4 0 CF R 264.55 4 4 0 CF R 257. 3 R317- 8 UACR315-10 1

R3 1 5-8- 7 Criteri a Surfac e wate rcontro l measure s require d fo r stagin g pile s Regulate s classificatio n an d disposa l o f soli d waste . Requiremen t o f SWPP P i n complianc e wit h UPDS S Allow s closur

e o f facilitie s t o risk-base d standards . Requirement s fo rclosur e o f Landfil l ARA R Determinatio n RELEVAN T AN D APPROPRIAT E RELEVAN T AN D APPROPRIAT E RELEVAN T AN D APPROPRIAT E RELEVAN T AN D APPROPRIAT E

RELEVAN T AN D APPROPRIAT E Prerequisit e Managemen t of remediatio n wast e Generatio n o r managemen t o f soli d wast e Preparatio n o f SWPP P Closure .

Cappin g portion s o f th e sit e whic h exhibi t elevate d concentration s o f heavy medals . Comment s Appropriat e constructio n control s use d t o protec t surfac e wate rresources .

A SWPP P wil l b e prepare d a s par t o f th e UPDE S permi t process . Appropriat e sit e management , suc h a s correctiv e action , pos t closure care , an d institutiona l control s i s required based o n identifie d leve l o

f rsk . Ris k

level s identifie d i n EPA' s Huma n Healt h Ris k Assessmen t mee t th e substantiv e requirement s o f R315-101 . Th e permeabl e soi l cove rt o b e place d ove r contaminate d area s constitute s a hybri d landfil l closure . FEDERAL : STATE :

200 6 Maintenanc e Actio n Wor k Pla n 1 8 Atlanti c Richfiel d Compan y

### INTERNATIONA L SMELTIN G & REFININ G NP L SIT E Tooele , Uta h 

### 200 6 CONSERVATIO N ARE A REMOVA L ACTIO N WOR KPLA N

Prepare d fo r Atlanti c Richfiel d Company , Inc . 31 7 Anacond a Rd . Butte , M T 5970 1 Prepare d by :

ANDERSO N Engineerin g Company , Inc .

97 7 West 210 0 Sout h Sal t Lak e City , U T 8411 9 August 14, 2006Brando n Anderso n -|- 0 sanderson@andersoneng.com , kcosper@andersoneng.co m <banderson@andersoneng.c ...., _ , „„, _ . .. ^ nr . , n . . . om > ^

" '"Kaye , Pamel a R 1 " <Pamela.Kaye@BP.com> , 'Richar d c c Curley 1 <RCurley@hollandhart.com> , Ern a 08/18/200 6 04:3 0 P M Waterman/P2/R8/USEPA/US@EPA . thowes@utah.go v bc c Subject F S Stud yNo w Onlin e

F S Stud yi s no w onlin e fo rdownloa d fro m th e Anderso n website . Yo u ma yacces s i t b ygoin g t o www.andersonenq.com . pleas e refres h you rbrowser , an d the n clic k o n th e "clien t login " botto m i n th e uppe rrigh t han d corner . Thi s wil l tak e yo u t o th e ne w downloa d serve rwhic h shoul d b e easie rt o use . Th e logi n is : isrep a Password : aec i Yo u wil l se e a folde rcalle d ISR , (i f thi s folde ri s no t alread yopen , doubl e clic k o n it) , th e folde rwil l displa y bot h th e .pdf s an d th e editabl e version s availabl e fo rdownload . T o downloa d simpl ydoubl e clic k o n th e fil e an d a downloa d scree n wil l appear . Ther e i s als o a n optio n fo ra "downloa d cart " - thi s i s no t supporte d i n Interne t Explorer . I f yo u hav e an yproblems , wit h th e download , pleas e cal l m e 801-972-622 2 o remai l m e a t banderson@andersonenq.co m Thank s Brando n 

# ANDERSO N Engineerin g Company , Inc . 97 7 Wes t 210 0 Sout h Sal t Lak e City , U T 8411 9 (801)972-622 2 * fa x(801)972-623 5 From : Stev e Anderso n [mailto:sanderson@andersoneng.com ] Sent : Friday , Augus t 18 , 200 6 9:3 0 A M To : kcosper@andersoneng.com ; banderson@andersoneng.co m Cc : 'Kaye , F'amel a R 1 ; 'Richard Curley ' Subject : F S Kevin/Brandon : Thes e ar e read yt o g o pendin g fina l NP V number s fo rAlte r# 1 fro m Pa m an d an ylas t loo k change s fro m Ric h Curley . Whe n fina l chec k format , T o f C C et c on e las t tim e an d overnigh t to : Ern a (2 ) PK(1 ) Tony(1 )AECI(1 )

Brandon : Whe n complet e prepar e PD F an d pos t t o EP A accessibl e sit e o n we b page . Creat e 8-18-0 6 folde ri n deliverabl e folde rwit h everythin g i n it , bot h editabl e an d PD F files . Cal l wit h questions . Thanks ,



### Steven D. Anderson, P.E. President/Projec t Manage r 

# ANDERSO N Engineerin g Company , Inc . 97 7 Wes t 210 0 Sout h Sal t Lak e City , U T 8411 9 (801)972-622 2 * fa x(801)972-623 5

Thi s messag e ma ycontai n confidentia l informatio n an d i s intende d onl yfo rth e us e o f th e individual(s ) t o who m i t i s addressed . I f yo u ar e no t th e intende d recipien t o f thi s email , yo u ar e hereb ynotifie d tha t an ydissemination , distributio n o rcopyin g o f thi s messag e o rtakin g actio n i n reliance o n th e content s of thi s informatio n i s strictl yprohibited . I f yo u receive d thi s messag e i n error , pleas e delet e i t immediatel yan d contac t th e sender .