MEMORANDU M DATE : SDM S DocI D U.S . ENVIRONMENTA LPROTECTIO N AGENC Y

REGIO N I Superfuit d 1 CONGRES S STREET , SUIT E 1100 , BOSTON , MAg^ ^ 

### BREAK : OTHER : 25043 7

SUBJ : ACTIO N MEMORANDU M - Reques t fo r aCeilin g Increas e fo r

th e Non-Tim e Critica l Remova l Actio n a t th e Eastlan dWoole n Mil l Superfun dSite , Corinna , Main e FROM : Edwar dM . Hathaway , Remedia l Projec t Manage r ME/VT/C T Superfun dSectio n THRU : Do n Berger , Chie f

OSRRI I Branc h

TO : Stev e Novick , Actin g Chie f Emergenc y Plannin g an dRespons e Branc h Patrici aL . Meaney , Directo r Offic e o f Site Remediatio n an dRestoratio n Sit e ID #01T 6 I . PURPOS E Thi s Actio n Memorandu mrequest s an ddocument s you r approva l o f

asecon dceilin g increas e fo r th e non-time-critica l remova l actio n (NTCRA ) describe dherei n fo r th e Eastlan dWoole n Mil l Superfun dSite , locate do n Rout e 7 i n Corinna , Maine . Th e Jul y 199 9 an dJun e 200 0 Actio n Memorand aapprove daconsistenc y exemptio n fro mth e $ 2 millio n and12-monthstatutory limit s on fun dlea dremova l actions . The same basi s for a statutory exemptio n applie s t o thi s ceilin g increase . Th e Jul y 199 9 Actio n Memorandu mapprove daremova l ceilin g o f $9. 7 million . Th e Jun e 200 0 ceilin g increas e wa s base dupo n additiona l cost s relate dto:(l ) th e increase dvolume s o f contaminatio n identifie ddurin g th e NTCR A pre-desig n activities ; (2 ) th e nee dfo r extensiv e pretreatmen t

o f certai n soil s prio r

t o excavation ; (3 ) th e hee dfo r apilo t stud y involvin g in-sit u pretreatmen t

o f certai n soil s prio r

t o excavation ; (4 ) re-locatio n o f abuildin g a s require db y th e Nationa l Histori c Preservatio n Act ; an d(5 ) cos t increasesrelatin g t o actua l cos t estimate s i n compariso n t o th e iniiia l estimates . Thi s ceilmgqj&^g^jf e jfe)j$tse dupu n update dvolum e an dcos t sYMoeslimates . 

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## -±3lML,3= <IP AFoc m 1320- 1 A( V OFFICIA L FILE 7U.S . ENVIRONMENTA LPROTECTIO N AGENC Y REGIO N I 1 CONGRES S STREET , SUIT E 1100 , BOSTON , M A 02114-202 3 MEMORANDU M DATE : SUBJ : ACTIO N MEMORANDU M - Reques t fo r aCeilin g Increas e fo r

th e Non-Tim e Critica l Remova l Actio n a t th e Eastlan dWoole n Mil l Superfun dSite , Corinna , Main e FROM : Edwar dM . Hathaway , Remedia l Projec t Manage r ME/VT/C T Superfun dSectio n THRU : Do n Berger , Chie f

OSRRI I Branc h Dennisse s Valdes , Chie f Emergenc y Plannin g an dRespons e Branc h TO : Patrici aL . Meaney , Directo r Offic e o f Sit e Remediatio n an dRestoratio n SiteID#01T 6 I . PURPOS E Thi s Actio n Memorandu mrequest s an ddocument s you r approva l o f

asecon dceilin g increas e fo r th e non-time-critica l remova l actio n (NTCRA ) describe dherei n fo r th e Eastlan dWoole n Mil l Superfun dSite , locate do n Rout e 7 i n Corinna , Maine . Th e Jul y 199 9 an dJun e 2000 Actio n Memorand aapprove daconsistenc y exemptio n fro mth e $ 2 millio n an d12-monthstatutory limit s o n fun dlea dremova l actions . Th e sam e basi s fo r a statutor y exemptio n applie s t o thi s ceilin g increase . Th e Jul y 199 9 Actio n Memorandu mapprove daremoval ceilin g o f $9. 7 million . Th e Jun e 200 0 ceilin g increas e wa s base dupo n additiona l cost s relate dto:(l ) th e increase dvolume s o f contaminatio n identifie ddurin g th e NTCR A pre-desig n activities ; (2 ) th e nee dfo r extensiv e pretreatmen t

o f certai n soil s prio r

t o excavation ; (3 ) th e nee dfo r apilo t stud y involvin g in-sit u pretreatmen t

o f certai n soil s prio r

t o excavation ; (4 ) re-locatio n o f abuildin g a s require db y th e Nationa l Histori c Preservatio n Act ; an d(5 ) cos t increase s relatin g t o actua l cos t estimate s i n v^unipaiidui i l u 1 1 i c initia l estimates. 1 lll S C6lllllg£JAiv£ga£L<LJf^.vi^ > £u UpOl l Update dVolum e tui u 1 1

EP AFor m 1320-1 A(1/90 ) OFFICIA L RL EU.S . ENVIRONMENTA LPROTECTIO N AGENC Y REGIO N I 1 CONGRES S STREET , SUIT E 1100 , BOSTON , M A 02114-202 3 MEMORANDU M DATE : Septembe r

21 , 200 0 SUBJ : ACTIO N MEMORANDU M - Reques t fo r aCeilin g Increas e fo r

th e Non-Tim e Critica l Remova l Actio n a t th e Eastlan dWoole n Mil l Superfun dSite , Corinna , Main e FROM : EdwardM . Hathaway , Remedia l Projec t Manage r ME/VT/C T Superfun dSectio n THRU : Do n Berger , Chie f

OSRRI I Branc h Stev e Novick , Actin g Chi e Emergenc y Plannin g ari dR e Patrici aL . Meaney , Offic e o f Site Remediatio n an d 

# / SiteID#01T 6 I . PURPOS E Thi s Actio n Memorandu mrequest s an ddocument s you r approva l o f

asecon dceilin g increas e fo r th e non-time-critica l remova l actio n (NTCRA ) describe dherei n fo r th e Eastlan dWoole n Mil l Superfun dSite , locate do n Rout e 7 i n Corinna , Maine . Th e Jul y 199 9 an dJun e 200 0 Actio n Memorand aapprove daconsistenc y exemptio n fro mth e $ 2 millio n an d12-mont hstatutory limit s o n fun dlea dremova l actions . Th e sam e basi s fo r a statutory exemptio n applie s t o thi s ceilin g increase . Th e Jul y 199 9 Actio n Memorandu mapprove daremova l ceilin g o f $9. 7 million . Th e Jun e 200 0 ceilin g increas e wa s base dupo n additiona l cost s relate dto:(l ) th e increase dvolume s o f contaminatio n identifie ddurin g th e NTCR A pre-desig n activities ; (2 ) th e nee dfo r extensiv e pretreatmen t

o f certai n soil s prio r

t o excavation ; (3 ) th e nee dfo r apilo t stud y involvin g in-situ pretreatmen t

o f certai n soil s prio r

t o excavation ; (4 ) re-locatio n o f abuildin g a s require db y th e Nationa l Histori c Preservatio n Act ; an d(5 ) cos t increase s relatin g t o actua l cos t estimate s i n compariso n t o th e initia l estimates . Thi s ceilin g increas e i s base dupo n update dvolum e an dcos t estimates .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL L SITE

A s state di nth e Jul y 199 9 Actio n Memorandum , th e overal l objectiv e o f th e NTCR A i s t o eliminat e th e sourc e o f

th e soil , groundwater , an dsedimen t contaminatio n i n orde r

t o protec t curren t an dfutur e user s o f

groundwate r

a t o r near th e Site , futur e user s o f

th e Sit e property , an d ecologica l receptors . I n genera l terms , th e NTCR A consist s o f th e excavatio n o f

soil s wit h concentration s o f

monochlorobenzene , benzene , (1,2 ; 1,3 ; an d1,4 ) dichlorobenzene , an d(1,2, 3 an d1,2,4 ) trichlorobenzen e abov e th e soi l cleanu p level s establishe di n th e Jul y 199 9 Actio n Memorandum . Thi s NTCR A wil l b e performe db y EP A usin g fun dmone y a s n o PR Pi s availabl e t o implemen t

th e respons e actio n i n atimel y manner . Thi s Actio n Memorandu mdoe s no t includ e an y activitie s tha t

woul drequir e Post-Remova l Sit e Contro l (PRSC) . Thi s NTCR A wil l ensur e tha t EP A ca n provid e atimel y response t o effectivel y minimiz e threat s t o publi c healtho r

welfar e o r

th e environmen t

whic hma y resul t

fro mth e continuin g releas e and/o r threa t o f releas e o f hazardou s substance s at

an dfro mth e Site , an di s consisten t wit h EPA' s Superfun dAccelerate dCleanu p Mode l (SACM) . II . SITE CONDITION S AN D BACKGROUN D A . Sit e Descriptio n CERCLI S I D No. : MED98091547 4 Site ID . No. : 01T 6 Categor y Non-time-critica l Th e Sit e include s th e forme r Eastlan dWoole n Mil l an dth e local area s contaminate db y th e releas e o f hazardou s substance s fro mth e Eastlan dWoole n Mill . Eastlan dWoole n Mil l wa s a textil e mil l that

bega n operatio n i n approximatel y 1909 . Th e Eastlan dWoole n Mil l cease d operatio n i n 199 6 an dth e majorit y o f th e Mil l property i s no w owne db y th e Tow n o f Corinna . 1 . Remova l Sit e Evaluatio n Se e Jul y 22 , 199 9 Actio n Memorandu mfo r thi s information , excep t

that th e forme r

mil l building s an dal l bu t

on e o f th e building s alon g Mai n Stree t i n downtow n Corinn ahav e no w bee n remove da s part

o f th e on-goin g EP A respons e action . 2 . Physica l Locatio n Th e Eastlan dWoole n Mil l Sit e i s locate di n th e Tow n o f Corinna , Penobsco t

County , Maine . Th e Tow n o f

Corinn ai s locate dapproximatel y 2 5 mile s northwes t o f Bangor , Maine . Approximatel y 800 person s liv e withi n 1 mil e of the Sit e and2,50 0 with4 miles .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSITE

Th e Sit e wa s originall y dominate db y th e 250,00 0 squar e foo t Eastlan dWoole n Mill . Th e forme r

mil l ha s bee n removed . Thre e dam s ar e foun di n th e vicinit y o f th e Site . On e da mi s approximatel y 50 0 fee t north(upstream ) o f

th e locatio n o f

th e forme r

Eastlan d Woole n Mil l an dserve s a s th e outle t fo r Corrunde l Lake . A secon dda mi s locate di n a positio nwhic hwa s beneat hth e Eastlan dWoole n Mil l whe n th e Mil l building s wer e stil l standin g an dserve s a s th e outle t fo r th e Mil l Pond . Th e thir dda mi s locate d approximatel y 0. 5 mile s dow n rive r o f th e Eastlan dWoole n Mill . Th e Sit e ha s been use da s industria l property sinc e a t leas t 1912 . Th e Eastlan dWoole n Mil l buildin g ma y hav e bee n constructe da s earl y a s th e lat e 1800's . Th e Eastlan d Woole n Mil l Compan y owne dan doperate dth e mil l fro m193 6 unti l 1996 . Th e compan y asset s wer e sol dat

area l estate foreclosur e auctio n i n 1997 . I n 1997 , th e Tow n o f Corinn atoo k

titl e t o th e parce l o n whic hth e majorit y o f th e Eastlan dWoole n Mil l building s ar e located . 3 . Sit e Characteristics : Se e Jul y 22 , 199 9 Actio n Memorandu mfo r thi s information , excep t that th e forme r

mil l building s hav e no w bee n remove da s part o f th e on goin g EP A respons e action . 4 . Releas e o r

Threatene dRelease : Se e Jul y 22 , 199 9 Actio n Memorandu mfo r thi s information , excep t

tha t th e forme r

mil l building s hav e no w bee n remove da s part o f th e on-goin g EP A respons e action . 5 . NP LStatus : Th e Sit e wa s place do n th e NP Li n Jul y 1999 . 6 . Maps , pictures , an dothe r graphi c representations : Se e Jul y 22 , 199 9 Actio n Memorandu mfo r

thi s information , excep t

tha t th e forme r

mil l building s hav e no w bee n remove da s part

o f th e on-goin g EP A respons e action . 7 . Curren t

Statu s o f NTCR A Th e NTCR A wa s initiate dwit hth e signin g o f th e Actio n Memorandu mi n Jul y 1999 . Durin g fal l 1999 , EP A bega n th e desig n fo r th e excavatio n an dtreatmen t activitie s an d th e demolitio n o f

th e forme r

Eastlan dWoole n Mill . Th e Mil l buildin g demolitio n wa s complete di n May 2000 . Th e desig n o f th e NTCR A wa s complete di n Augus t 2000 . A pre-desig n effor t

t o bette r defin e th e exten t

o f th e contaminatio n requirin g excavatio n wa s performe di n fal l 199 9 an dasecon ddelineatio n progra mwa s performe di n May/Jun e 2000 . Mobilizatio n fo r

th e excavatio n activitie s occurre di n Jun e 2000 . Th e fiv e additiona l structure s alon g Mai n Stree t tha t wer e withi n th e are ao f

th e Sit e work

hav e bee n removed . Th e relocatio n o f th e Od dFellow s buildin g pursuan t t o th e Nationa lACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL L SITE

Histori c Preservatio n Ac t

shoul doccu r

i n September/Octobe r

2000 . EP A ha s begu n excavatio n i n tw o area s o f

contaminatio n withi nth e rive r channel . Eac hare aha s containe dsubstantiall y mor e contaminatio n tha n expected . Ai r monitorin g ha s bee n performe dt o confir mtha t

th e ambien t

ai r i s o f acceptabl e quality . Th e NTCR A i s expecte dt o b e complete db y Decembe r 2001 . 8 . Basi s fo r

Ceilin g Increas e Th e initia l $9. 7 millio n dolla r estimat e fo r

th e NTCR A tha t

wa s presente di n th e Engineerin g Evaluatio n an dCos t Analysi s (EE/CA ) an dJul y 199 9 Actio n Memorandu m wa s base dupo n th e informatio n know n a t th e tim e an dusin g EP A an dU S Arm y Corp cos t estimate s fo r

th e work t o b e performed . Thi s ceilin g increas e i s base dupo n a n numbe r o f factors : (1 ) volume s o f

contaminate dsoi l i n exces s o f th e firs t an dsecon destimate s hav e bee n remove dfro mth e firs t

tw o area s o f

excavation . Th e initia l estimat e wa s 6,00 0 cubi c yard s o f materia l an dth e actua l volum e wil l b e clos e t o 20,00 0 cubi c yard s o f material . Th e associate dsupport

cost s fo r th e on-sit e laboratory , ai r

monitorin g program , an dsoi l stockpil e managemen t

als o contribut e t o cost s relate dt o th e additiona l volum e o f soil . A nadditiona l $1,150,00 0 i s bein g requeste dt o provid e fo r th e excavatio n volum e encountere dt o dat e an danticipate di nth e nea r future ; (2 ) th e origina l cos t

fo r site preparatio n di dno t

anticipat e severa l o f

th e cost s tha t

wer e necessary t o se t

u p th e site facilities , includin g decontaminatio n areas , hau l roads , intensiv e traffi c control , alon g withth e cos t o f th e remova l o f

th e additiona l structure s has adde dan estimate d$750,00 0 to the projecte dcost s for the Sit e Preparatio n task ; (3 ) th e relocatio n o f

th e Od dFellow s Building s i s currentl y projecte dt o cos t $507,00 0 base dupo n th e awarde dcontrac t a s oppose dt o th e Jun e 200 0 estimat e o f $325,000 . Thi s result s i nth e nee dfo r a nadditiona l $200,000 ; (4 ) th e cos t

fo r th e roa ddetour , ne w bridge , an drive r diversio n ha s increase dt o $1,400,00 0 a s aresul t

o f th e awarde damoun t

a s compare dt o th e desig n cos t estimate ; (5 ) A additiona l $1,000,00 0 i s estimate dfo r backfil l an drestoratio n t o addres s th e ne w requirement s fo r

restoratio n o f

th e uppe r rive r channel , th e stabilizatio n o f th e Corrunde l Lak e da mdu e t o th e reduce dwate r level s necessary fo r

th e NTCRA , th e nee dfo r arive r crossin g t o restore th e railroa dproperty a s wel l a s th e additiona l soi l backfil l du e t o th e increase dvolume s o f

excavation ; an dACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E

(6 ) th e estimate dcos t

fo r treatmen t ha s bee n increase db y $2. 5 millio n base dupo n th e additiona l volume s o f

soi l an dth e possibilit y tha t atherma l desorptio n treatmen t uni t wil l likel y b e require da s oppose dt o th e soi l pil e therma l treatmen t tha t wa s th e basi s fo r

th e cos t estimate . Bothapproache s ar e withi n th e scop e o f th e Actio n Memorandum . Th e therma l pile s becom e mor e challengin g as the volum e of soi l increase s sinc e ther e may no t b e sufficien t

spac e t o allo w fo r

th e treatmen t

o f al l soi l i n2001 . I naddition , som e additiona l desig n work relatin g t o de-waterin g an dmanagemen t o f th e additiona l soi l volume s wil l b e necessary . Whil e th e cost s hav e increased , al l o f th e activitie s ar e consisten t wit hth e origina l scop e o f th e NTCRA . Th e additiona l volum e i s base dupo n abette r understandin g o f

th e contaminan t

distribution . Th e additional cost s fo r th e bridge , road , an drelocatio n are base dupo n th e mor e specifi c estimat e tha t ca n b e prepare da t

th e draf t fina l desig n stage . I naddition , th e complexit y o f thi s projec t

ha s necessitate dasignifican t increas e i n th e pre-desig n an ddesig n activitie s require dt o assur e tha t th e NTCR A wil l b e implemente d i namanne r

tha t doe s no t creat e unacceptabl e impact s t o ai r quality , traffi c flow , o r

utilit y services .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E NTCR A COS T TABL E9/200 0 Tas k Descriptio n Pre-Desig n Investigation s Design/Wor k

Plan s Buildin g Demolitio n Sit e Preparatio n (include s othe r buildin g demo , hau l roads , detours , deco n pads , traffi c control ) Soi l Excavatio n Are a1 Are a2 Are a3 Are a4 Are a5 Rive r Diversio n Roa dDetou r Bridg e Buildin g Relocatio n (Oddfellows ) On-Sit e Soi l Treatmen t Soi l Screening/Washin g Pilo t Scal e Ful l Scal e Backfil l an dRestoratio n Soi l Pre-Treatmen t DNAP LRecover y Multi-Phas e Extractio n In-Situ Treatmen t Othe r Cost s (PM , Con . S&A , EDC ) Contingenc y (approx . 5% ) TOTAL : Estimate d Cos t $260,54 1 $115,200 $3,828,000 $80,20 0 $790,571 * N o Cos t $168,19 8 N o Cos t $325,900 $37,800 $237,20 0 $50,00 0 $55,700 $84,60 0 $728,73 0 $771,55 8 N o Cos t N o Cos t N o Cos t $1,630,100 $535,702 $9,700,00 0 6/200 0 Design

Cos t Estimat e $1,338,73 0 $517,88 0 $3,635,600 $150,000 $1,250,000 $120,00 0 $110,000 $476,05 0 $500,00 0 $325,900 $400,00 0 $550,000 $325,00 0 $55,700 $84,600 $1,000,00 0 $771,55 8 $300,00 0 $500,00 0 $1,200,000 $1,500,000 0 $14,611,01 8 9/200 0 Post-Awar d

an dWor k Progres s Estimat e $1,339,00

0 $618,000 $3,750,000 $900,00 0 $1,250,000 combine d2/3/

4 $1,850,000 $500,00 0
Combine dbridge , road , diversio n $2,700,00 0 $507,000 $56,00 0 $200,00 0 $3,500,000 $1,772,000 eliminate d $500,000 $1,200,000 $1,600,000 $1.11 2 $23,354,000 Total s

$6.607

$3. 6 $2. 7 $0.507

$5.52 8 

### $17T| I

### $1. 6 | | $22.24 2 | $1.11 2 $23.35 4ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E

III . THREAT S T O PUBLI C HEALT H O RWELFAR EO RTH EENVIRONMENT . AN D STATUTOR Y AN D REGULATOR Y AUTHORITIE S Sectio n 300.415(b)(2 ) o f

th e Nationa l Contingenc y Pla n (NCP ) list s anumbe r o f factor s fo r

EP A t o conside r

i n determinin g whethe r

aremova l actio n i s appropriate , including : (i ) Actua l o r

potentia l exposur e t o nearb y huma n populations , animals , o r th e foo d chai nfro mhazardou s substance s o r pollutant s o r

contaminants ; (ii ) Actua l o r

potentia l contaminatio n o f drinkin g wate r

supplie s o r

sensitiv e ecosystems ; (iii ) Hazardou s substance s o r pollutant s o r

contaminant s i n drums , barrels , tanks , o r othe r bul k storag e containers , tha t

may pos e athreat

o f release ; (iv ) Hig hlevel 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 surface , that

may migrate ; (v ) Weathe r

condition s tha t

ma y caus e hazardou s substance s o r pollutant s o r contaminant s t o migrat e o r b e released ; (vi ) Threat o f fir e o r explosion ; (vii ) Th e availabilit y o f

othe r appropriat e federa l o r

state response mechanism s t o respon dt o th e release ; an d (viii ) Othe r

situation s o r

factor s that

ma y pos e threat s t o publi c healt ho r welfar e o f th e Unite dState s o r

th e environment . Thi s Actio n Memorandu mi s base dupo n th e same factor s a s th e Jul y 22 , 199 9 Actio n Memorandum . Th e pre-desig n investigation s hav e confirme dthat substantia l concentration s o f chlorobenzene s present

i n th e soil an dgroundwate r a t th e Site . Thi s contaminatio n i s havin g an impac t o n th e ecologica l communit y an dthreaten s loca l wate r supplies .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E

IV . ENDANGERMEN T DETERMINATIO N Actua l o r threatene drelease s o f

hazardou s substances , pollutants , o r contaminants , 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 , ma y presen t a n imminen t

an dsubstantia l endangermen t t o publi c health , o r

welfare , o r

th e environment . V . EXEMPTIO N FRO M STATUTOR Y LIMIT S Thi s ceilin g increas e wil l requir e additiona l fundin g abov e th e statutor y ceilin g o f $ 2 millio n dollar s an drequir e mor e tha n 1 year t o implement . A s documente di n th e Jul y 22 , 199 9 Actio n Memorandum , thi s NTCR A wil l require fundin g abov e th e statutor y ceilin g o f

$ 2 millio n dollar s an dwil l requir e mor e tha n 1 yea r t o implement . Th e Jul y 22 , 199 9 Actio n Memorandu mprojecte dcost s o f $9. 7 millio n an datim e fram e o f 18-2 4 month s t o complete . Th e ceilin g fo r

th e NTCR A wa s increase dt o $15. 4 millio n i n Jun e 2000 . Th e revise dceilin g base di n thi s Actio n Memorandu mwil l b e $23,954,000 . Th e sam e basi s fo r th e statutory requirement s appl y t o thi s Actio n Memorandum . Thi s Actio n Memorandu mre-affirm s th e findin g tha t

a"consistency " exemptio n i s appropriat e i n orde r t o implemen t

th e NTCR A propose di n thi s Actio n Memorandum . Th e propose drespons e actio n describe di n th e Jul y 199 9 an dJun e 200 0 Actio n Memorandu m an dthi s Actio n Memorandum , ar e otherwis e appropriat e an dconsisten t wit hth e remedia l actio n t o b e taken . Th e NTCR A activitie s include di n thi s Actio n Memorandu mwil l remov e th e sourc e o f contaminatio n t o th e bedroc k aquife r an dth e Eas t

Branc ho f

th e Sebasticoo k

River . Excavatio n an don-sit e treatmen t i s arespons e actio n that

i s consisten t

wit hth e typ e o f

action s tha t woul db e considere da s part o f th e expecte dremedia l respons e an dd o no t preclud e an y futur e remedia l respons e tha t ma y b e necessary . Th e implementatio n o f

th e NTCR A i s necessary t o preven t th e furthe r

migratio n o f

th e contaminatio n i n th e soils . Authorizatio n is , therefore , hereb y requeste dfo r a"consistency " exemptio n to excee dthe statutor y limit s of $2 millio n and1 year

on remova l action s in orde r to implemen t

th e NTCR A a s describe di n thi s Actio n Memorandum .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL L SIT E

VI . PROPOSE D ACTION S AN D ESTIMATE D COST S Th e followin g remova l actio n objective s hav e bee n develope dfo r th e Site : * Prevent , t o th e exten t practicable , direc t

contac t wit han dingestio n o f

surfac e an d subsurfac e soil s that

represen t a n unacceptabl e healt hrisk ; * Prevent , t o th e exten t practicable , th e migratio n o f chlorinate dbenzene s (an d othe r contaminants ) i n soil s t o th e groundwate r an dsurfac e water ; an d * Prevent , t o th e exten t practicable , th e releas e o f contaminatio n believe dt o b e withi n th e buildin g t o th e environmen t throug hfloodin g an dfurthe r degradatio n o f th e structur e fro mfire . T o mee t th e remova l actio n objectives , EP A selecte di n th e Jul y 22 , 199 9 Actio n Memorandum , aNTCR A t o remov e th e sourc e o f th e soi l an dgroundwate r contamination . Thi s alternativ e wa s referre dt o a s Alternativ e 2 i n th e EE/CA . Th e scop e o f th e NTCR A ha s no t

significantl y change dsinc e th e Jul y 22 , 199 9 Actio n Memorandum. . 1 . Propose dActio n Descriptio n (Se e Jul y 199 9 an dJun e 200 0 Actio n Memoranda ) Th e action s propose di n th e Jul y 199 9 an dJun e 200 0 Actio n Memorand aremai n th e same . 2 . Contributio n t o Remedial Performanc e Th e NTCR A propose di n thi s documen t i n combinatio n withth e Jul y 199 9 an dJun e 200 0 Actio nMemorand ai s expecte dt o contribut e significantl y t o th e long-ter mremedia l action . Th e remedia l goa l fo r thi s Sit e i s t o protec t

publi c healt han dth e environment . More specifically , th e remedia l respons e wil l see k t o restor e th e Site t o aconditio n that wil l allo w fo r

futur e Sit e us e an dminimiz e an y lon g termthreat s t o th e Eas t Branc ho f

th e Sebasticoo k

Rive r an dth e associate decosystem s an dt o protec t privat e wate r

supplies . Th e remova l o f

th e sourc e o f

th e contaminatio n i s entirel y consisten t wit hal l potentia l futur e remedia l responses . Th e RI/F S i s expecte dt o identif y an y furthe r

cleanu p action s necessary at th e Site . Long

termgroundwate r

restoration , downstrea msedimen t contamination , an dth e forme r dum p fo r th e Eastlan dWoole n Mil l ar e al l issue s tha t wil l b e addresse db y th e RJ/FS .ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL L SITE

B . Estimate dCost s Extramura l Cost s Regiona l Allowanc e Cost s $23,354,00 0 (Mone y fro mnationa l cleanu p fun dwit hcontingency ) Othe r extramura l cost s CL P$200,00 0 State o f Main e Cooperativ e Agreemen t $50,00 0 Tota l Extramura l Cost s $23,604,00 0 Intramura l Cos t Intramura l Direc t

$ 150,00 0 Intramura l Indirec t

$200,00 0 Total Intramura l $350,00 0 

### Tota l Estimate dRemova l Ceilin g $23.954.000 Notes : Existin g Remova l Projecte dCeilin g base dupo n Jun e 2000 Actio n Memorandum : $15,400,00 0 Additiona l Ceilin g Increas e requested : $8,554,00 0

1 0ACTIO N MEMORANDU M FO RTH E EASTLAN D WOOLE N MIL LSIT E

VII . EXPECTE D CHANG EI N TH ESITUATIO N SHOUL D ACTIO N B EDELAYE D O R NO T TAKE N I f th e NTCR A i s no t

implemented , th e contaminant s wil l continu e t o leac hfro mth e soil s int o th e groundwate r

furthe r contributin g t o th e groundwate r contaminatio n an dcausin g impact s t o th e Eas t Branc ho f

th e Sebasticoo k

River . Some o f

th e loca l wate r

supplie s that

ar e no t o n th e wate r suppl y lin e hav e concentration s o f chlorobenzene s tha t

ar e increasing . Failur e t o implemen t th e NTCR A mean s that

th e sourc e o f

th e groundwate r

contaminatio n ha s no t

bee n controlled . X . RECOMMENDATIO N Thi s decisio n documen t

represent s aceilin g increas e an dre-affirmatio no f th e statutory basi s an dconsistenc y exemptio n fo r th e selecte dremova l actio n fo r th e Eastlan dWoole n Mil l Superfun dSite , i n Corinna , Penobsco t County , Maine , develope di n accordanc e wit hCERCL A a s amended , an di s no t

inconsisten t

withth e NCP . Thi s decisio n i s base dupo n th e Administrativ e Recordfo r th e Site . Condition s at

th e Sit e continu e t o mee t

th e NC Pcriteri afo r

aremova l actio n a s specifie dat 4 0 C.F.R . § 300.415(b)(2 ) an dth e CERCL A sectio n 104(c ) consistenc y exemption . I recommen d you r approva l of

the propose dprojec t

ceilin g increas e of

$8,554,000 . The tota l projec t ceilin g fo r th e NTCRA , i f

approved , wil l b e $23,954,000 . I als o recommen dan dreques t you r approva l o f a"consistency " exemptio n t o th e statutor y limit s o f $ 2 millio n an don e yea r

o n remova l actions . Approv e ^ Disapprov e Date :

Patrici aL . Meaney , Docto r Offic e o f Sit e Remediatio n an dRestoratio n

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