### Fina l Clos e Ou t Repor t

Crai g Far

mSit e Armstron

g Count y Perr yTownship , Pennsylvani a I . INTRODUCTIO

N 

### Thi s Fina l Clos e Ou t Repor t document s tha t the responsibl e party , Beaze r Eas t Inc. , (Beazer ) ha s completed constructio n activitie s fo r the fina l operabl e uni t (OU-1 ) a t the Crai g Far m Sit e i n accordanc e wit h Procedure s fo r Completion an d Deletio

n o f Nationa l Prioritie s Lis t Cite s an d Updat e (CSWE

R Directiv

e 9320.2-3C) . EPA , th e Pennsylvani a Departmen t o f Environmenta l Protectio

n (PA0EP ) an

d Beaze r conducte

d a pre- f ina l inspectio n o n Augus t 31 , 1995 . A

t th e time o f th

e pre-fina l inspection , al l the wast e ha

d bee n excavated fro mthe tw

o pits , bu t no t al l the wast e ha

d been treate

d o r placed int o th

e orsit e landfill . EPA , PADE P an

d Beaze r subsequentlyconducte d a fina l inspectio

n o n Decembe r 14 , 199 5 an d determine d tha t th e remedia l actio

n (RA ) contractor , I T Corporation , ha d constructe

d th e remed yi n accordanc e wit h th

e remedia l desig

n (RD ) plans an

d specification

s a s incorporated i n the Remedia l Actio n Wor k Pla n (RAWP) . Al l activitie s necessar

yt o achiev e sit e completio n hav e bee n successfullyexecute d a t thi s Sire . IX . SUMMARY O F SIT E CONDITION

S Backgroun

d 

### Th e Crai g Far

mSit e cover s approximatel y11 7 acres , an d i s locate d near th

e villag e o f Fredericksburg , jus t insj.d e th e western borde r o f Armstrong County , Pennsylvania . The boroug h o f Fetroli a lie s tw

o mile s t o the vest , an d the tow

n o f Parker , on the Alleghen

yRiver , i s abou t fcu r mile s t o the north . The are a aroun d th e Sit e i s dominate d b yfarmland , an

d ha s a populatio n densit yo f approximately12 0 person s pe r squar e mile . Th e Sit e wa s originall ytwo abandone d stri p min e pit s whic h had worke d th e Uppe r Freepor t coa l sean . A s wit h mos t stri p rine s i n th e area , th e pit s wer e cu t int o a hillsid e wher e th e coa l outcropped . The two pit s wer e used fo r the depositio n o f distillatio n residu e fro m195 8 t o 1963 . The residu e wa s stil l bottoms fron the production o f resorcino l a t the Kopper s Chemica l Plan t i n Petrolia , Pennsylvania . A t th e time whe n th e sourc e materia l wa s place d onsite , th e lan d wa s owned b

yMr . Pau l Craig . Hi s brother , Mr . Herman Craig , haule d the distillatio n residu e fro mthe plan t an

d place d i t int o the two pits . Approximatel y2,SC O ton s o f wast e containe d i n 55

- callo n drum s wa s though t t o b e deposite d a t th e Site , an d covered wit h severa l fee t o f cove r soil . I n 1971 , Kopper s purchase d 10 0 c f the 117-acr e property , whic h included the pits . I n 1985 ,topper s purchase d th e remainin

g portio

n o f th e property . .-.emedia l Investigation/Feasibilit yStud y I n December , 1982 , th e Crai c Far mSit e wa s place d e n th e Nationa l Prioritie s Lis t (NPL) . I n February , 1987 , Kopper s signe d a Consen t Orde r wit h th e Pennsylvani a Departmen t o f 

### environmenta l Resource s (PADER ) t o perfor ma Remedia l Investigation/Feasibilit yStud y(RI/FS ) a t th

e Site . Atota l o f 1 4 onsit e monitorin

g well s wer e sample d durin g the RI . Tes t pit s 

### ver e du g directl yint o the tw o wast e pile s t o determine the extent o f contaminatio n i n th e tw o stri p min e pits , Abiologica l surve ywa s als o conducte d t o determin e th e effect s o f th

e Sit e on -earb ybiot a wit h specia l emphasi s on th e aquati c biot a o f th e -earb yunnared stream . 

### O n Januar y26 , 1989 , BNS Acquisition s merged int o Koppers , *n d on Januar

y26 , 1989 , the nam e o f Kopper s changed t o Beaze r Material s an

d Services , Inc . (Beazer ) , The Draf t R I Report , vhich include

d a huma

n an d a n ecologica l risk assessment , wa s submitte d t c the EP

Ai n April , 1939 . The Draf t F S Report , whic h rro \ _de d a detaile d analysi s o f r. o action , containment , an d treatment alternatives , wa s submitte d t o th e EP Ai n July , 1989 . Afte r incorporatin

g comment s fro

n PADE R an

d EPA , Beaze r submitted 

### the revise d R I an

d F S report s i n August , 1985 . ?.O D Finding s Afte r reviewin

g the result s o f the RI/FS , EP Aissued a Record o f Decisio

n (ROD ) o

n Septembe r 29 , 1969 . Th e selecte

d 

### remed yinclude

d th e followin

g components : 1 . Excavatio n o f al l wast e materia l an d adjacen t —ntaninate c soi l fro mth e tw o pi t areas . Th

e tw o pi t area s wil l then b e refille d wit h clean soil , an d seede d t o produc e a vegetativ e cover . 2 . Th e wast e materia l fro mth e two pit s wil l b e stabilized »r. d the n solidifie d i n an onsit e treatmen t process . 3 . A n onsit e RCRA-equivalen t landfil l wil l b e constructed iz rdisposition o f th

e treate

d wast e an

d th e contaminate

d soil s 

### fro mthe two pi t areas . Thi s double-line d cel l vil l b e approximatel ytwo acre s i n size . 4 . Thi s disposa l uni t wil l c e capped , an d the n seede d t o produc e a vegetativ e cover . Afenc e wil l the n b e place d aroun d ti e perimete r o f the disposa l unit . 5 . Atreatabilit ystud ywil l b e conducted o n th e stabilization/solidificatio n procedure , an d it s effectivenes s 

### vil l b e evaluate d prio r t o th e full-scal e remedia l action .

### 6 . Awetland s delineatio n wil l als o b e done during th e

pre-design phas e i n orde r t o determin e tha t the onsit e landfil l i s no t impacting an

yo f the onsit e wetlan d areas . Potentia l impact s t o th e wetland s wil l b e considere d and minimize d durin g th e design phas e o f thi s project . Design Criteri a 

### Agood-fait h offe r t o perfor mthe remed

yi n the ROD wa s submitte d t o EP

Ab yBeaze r o n Octobe r 27 , 1989 . Afte r a perio d o f negotiation , Beaze r signe d a Consen t Decre e t o perfor mthe RD/R Aon Ma y18 , 1990 . O

n Septembe r 24 , 1990 , EP Areceived th

e 

### firs t draf t o f the R

D Work Plan . The fina l draf t o f the R D wor k plin " wa s approved o

n Januar y14 , 1991 . Th

e pre-desig

n wor k started afte r thi s approval , an d i n Augus t o f 1991 , th e treatzLbilit

ystud yan d th e wetland s delineation repor t wer e approve d b

yEPA . Th

e treatabilitystudie s an d th e wetland s 

### delineatio

n wer e carrie

d ou t durin

g th e pre-desig

n phase . A Sourc e Delineatio n Stud yan d a Sitin

g Stud ywa s als o don e a t thi s time . O

n Septembe r 8 , 1991 , EPA , PADE P an d Beaze r wer e onsit e fo r the R

D kickof f meeting . O n Septembe r 27 , 1993 , the fina l R D repor t wa s approve d b yEPA . The fina l version o f the RAW ? wa s approve d i n April , 1994 . Remedia l Construction Activitie s On Ma y2 , 1994 , a publi c meetin g wa s hel d jus t prio r t o th e initia l mobilizatio n fo r the RA . The R Aprogresse

d unti l Decembe r 28 , 1994 , a t whic h time onsit e personne l demobilize d fo r 

### th e winter . Th

e R Aresumed i n lat e March , 199 5 an d wa s completed i n December , 1995 . 7 

### Remedia l actio n activitie s wer e conducte d a s planned an

d no additicna l area s o f contaminatio n wer e identified . EP Aconducte d a pre- f ina l inspection o n Augus t 31 , 1995 , i n conjunctio n wit h PA D IP . Th

e fina l inspection wa s conducted o n Decembe r 14 , 1995 . Th e R Aincluded th

e followin

g activities : 1 . ARCRA-eguivalen t landfil l wa s buil t fo r disposa l o f th e wast e an

d adjacen t contaminate d soils . 

### 2 . Acne-acr e wetland s wa s buil t onsit e t o replac e a smalle r are a o f wetland s los t i n buildin g the onsit e landfill . 3 . Al l waste s an

d adjacen t contaminate d soil s wer e excavate d fro r th e tw o or.sit e pits . 4 . Th e waste s wer e treate d using a stabilization/solidification procedure . The wast e wa s processed i n batches , an d approximatel y 15 0 ton s o f wast e wer e treate d on a n averag e day . Afte r 

### treatment , th e wast e wa s take n vi a truck , an d place d int o th e onsit e landfill . Atota l o f 820 0 ton s o f wast e wer e treatedexecutio n o f th e R A consisten t wit h th e RO D an dth e RD . IV . MONITORIN G RESULT S Th e Remedia l Actio n Wor k Pla n detaile darigorou s samplin g an danalysi s progra mfo r th e length o f

th e RA . Specifically , samplin g wa s require dan dimplemente dto : 1 ) protec t th e offsit e public , 2 ) protec t

onsit e workers , 3 ) confir mcomplianc e wit h th e variou s R A objectives . Th e samplin g programincluded : Dail y perimete r

ai r monitorin g fo r

volatil e organic s a t th e propert y boundaries . Dail y personne l ai r

samplin g o f

exclusion-zon e worker s fo r volatil e organics . Thi s wa s especiall y important fo r worker s i n th e tw o pit s durin g wast e excavation . Tes t sample s o f

wast e batche s t o confir mproper stabilizatio n o f

treate d wast e material . Destructiv e testin g o f al l geosynthetic s durin g landfil l construction . Fcu r landfil l monitorin g well s wer e constructe d aroun dth e perimete r

o f th e landfill . Thes e well s wil l b e sampled , alon g wit h th e othe r

existin g monitorin g well s o n quarterl y basi s curin g futur e operatio n an dmaintenanc e ( O & M ) activities . Th e Fina l Remedia l Actio n Report , whic h wil l b e submitte dt o EP A b y Beaze r i n February , 1996 , wil l contai n documentatio n o f th e complet e result s an daccurac y o f th e confirmator y samplin g program . V . SUMMAR Y O FOPERATIO N AN D MAINTENANC E Sit e O & M activitie s includ e quarterl y monitorin g o f a numbe r o f th e onsit e groun dwate r monitorin g wells . Periodi c sit e inspection s wil l als o t- e conducte dt o insure that erosio n contro l measure s ar e effective , an dtha t th e fenc e aroun dth e cnsit e landfil l i s properl y maintained . An y disturbe dsoi l area s whic h c o no t

hav e adequat e vegetatio n wil l b e reseeded . Th e landfil l ha s aleak detectio n zon e whic h wil l als o b e checke d durin g -h e periodi c sit e inspections . Th e landfil l als o ha s a leachat e collectio n zone , an dleachat e collectio n fro mth e landfil l wil l continu e durin g 0 & H . Ir . signin g th e Consen t Decree , Beaze r

assume dal l responsibilit y fo r 0 & M a t

thi s Site . VI . PROTECTIVENES S Thi s Sit e meet s al l th e sit e completion ' requirement s a s specifie di n OSWE

RDirectiv e 9320.2-3C , Procedure s fo r Completio n an dDeletio n o f

Nationa l Prioritie s Lis t Site s an dUpdates . Al l cleanu p action s specifie di n th e RO D hav e bee n full y implemented .Al l contaminatio n ha s bee n rerove d fro mth e tw o pi t areas , an d i s no w locate

d i n the onsit e landfill . The landfil l doe s have a lea k detectio n zone i n cas e a lea k eve r occur s i n the future . Th e Sit e n o longe r pose s an ythrea t t o human healt h o r th e environment . Th e onl yremaining activit yt o b e performe d i s o & M , whic h Beaze r ha s agree d t o d o i n th e Consen t Decree . A bibliograph

yo f al l report s relevan t t o th e completio n o f thi s Sit e unde r th

e Superfun

d progra

mi s attached . Thes e document s ar e availabl e b

ycallin

g the Regio n II I offic e a t (215)-597-0676 . VII . FIVE-YEA

R REVIE W 

### Upo n completio n o f thi s remedy , hazardou s substance s .wil l renai n onsit e i n th

e disposa l cell , abov e level s allowin

g for unlimite d us e an

d unrestricted exposure . Thus , a statutor yfive

yea r review wil l be conducted i n April , 199 9 pursuan t t o OSKE R 

### Directiv e 9355.7-02 , "Structure an d Component s o f Five-Yea r Reviews " (Ma

y23 , 1991) . The long-ter

mgroun d wate r monitorin

g wil l be performe

d b ya contracto r hire d b

yBeazer , an

d subjec t t o approva l b yEPA . The 

### long-ter moperation an

d maintenanc e o f th

e disposa l cel l wj.l l be unde r th

e directio

n o f thi s contractor .

Approve£<By

Thcaa s C . Voltaggio, Xv &rfecto r Dat e Hazardou s Waste-Managemen t Divisio n EPARegio n II IVIII . BIBLIOGRAPH Y

1 . Fina l RI/F S Repor t fo r th e Crai g Far mSit e - August , 1989 . 2 . Propose d Remedia l Actio n Pla n fo r th e Crai g Far mSit e - August , 1989 . 3 . Crai g Far

mSit e Recor d o f Decision , September , 1989 . 4 . Fina l Remedia l Desig n Repor - fo r the Crai g Far mSite , October , 1993 . 5 . Technica l Specifications , Drawings , an d Addenda , The Crai g Fan e Site , October 1993 . 6 . Geosyntheti c Constructio n Q-alit yAssuranc e (CQA ) Plan fo r the Crai g Far

mSite , July , 1993 . 7 . Geotechnica l Constructio n Qualit yAssuranc e (CQA ) Plan fo r the Crai g Far

mSite , July , 1993 . 8 . Stabilization Constructio n Qualit yAssuranc e (CQA ) Plan fo r 

### the Crai g Far

mSite , July , 1993 . 9 . Erosion an

d Sedimentation Contro l Pla n fo r the Crai g Far m Site , Jul y1993 . 10 . Spill/Volatil e Organic s Releas e ContingencyPla n fo r th e Crai g Fana Site , July , 1993 . 11 . Wetlan

d Mitigatio n /if t a r th e Crai g Far mSite , June , 199 3 12 . Sourc e Delineatio n Repor t fc r the Crai g Far mSite , January , 1992 . 13 . Treatabilit yStud yfo r th e Stabilization/Solidificatio n Proces s a t th e Crai g Fa mSite , April , 1991 .