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### Unite dState s Environmenta l Protectio n Agenc y On e Congres s Street , Suit e 1100 Boston , M A 02114-202 3 MEMORANDU M December 29 , 2004 F . O'Conno r

Superfun dSite , Augusta , Main e Interi mRemedia l Actio n Repor t Terrenc e Connell y Projec t Manager Kare n Lumino , Actin g Chie f ME/VT/C T Superfun dSectio n Mar y Sanderson , Chie f Remediatio n & Restoratio n n Branc h Attache dheret o i s th e Interi mRemedia l Actio n Report fo r th e F . O'Conno r

Superfun dSit e i n Augusta , Maine . A s specifie db y EP A guidance , Clos e Ou t Procedure s fo r

Nationa l Prioritie s Sites , OSWE RDirectiv e 9320.2-09A-P , Januar y 2000 , a n Interi mR A Report i s use dfo r remedia l action s tha t

includ e technica l impracticabilit y waiver s becaus e o f th e lon g tim e perio d betwee n sourc e contro l cleanu p an dachievemen t o f groundwate r

cleanu p goals . Th e criteri afo r

EP A approva l o f

a n Interi mR A Report

wit haT I waive r

include : aremed y wit ha waive r o f groundwate r

standard s becaus e o f

technica l impracticability ; implementatio n o f th e alternativ e remedy ; othe r

constructio n activitie s fo r othe r component s o f

th e operabl e uni t

hav e bee n complete dan dthei r respectiv e Recor do f

Decisio n cleanu p goal s hav e bee n achieved ; an d afina l inspectio n ha s bee n conducted . Th e 198 9 RO D specifie dagroundwate r extractio n syste man dcarbo n adsorptio n treatmen t t o addres s th e potentia l futur e residentia l ris k o f ingestio n o f

contaminate dgroundwater . Followin g a n evaluatio n o f

th e technica l practicabilit y o f restorin g groundwate r

t o drinkin g wate r

qualit y withi n areasonabl e tim e frame , EP A conclude dtha t th e selecte dmanagemen t

o f migratio n remed y woul dno t

achiev e th e 198 9 RO D performanc e standards . I n addition , EP A conclude d tha t ther e wer e n o othe r

technologie s whic hcoul dachiev e thi s remedia l actio n objective . EP A therefor e prepare daPropose dPlan i n Jun e 200 2 t o recommen damendin g th e managemen t o f migratio n remedy . Thi s chang e i n th e remed y i s documente di n th e Septembe r 200 2 RO D amendmen t

i n accordanc e wit hSectio n 11 7 o f CERCL A 4 2 U.S . C . §9617 , an dSectio n 300.435(c)(2)(ii ) o f

th e Nationa l Contingenc y Pla n ("NCP") .

SDM S DocI D 00021229 4Thi s Interi mR A Repor t fo r th e F . O'Conno r

Superfun dSite document s th e constructio n o f th e activ e oi l recovery syste man dthat i t i s operatin g a s intended . I n addition , thi s Interi mR A Repor t document s th e implementatio n o f th e institutiona l control s an dth e long-ter mmonitorin g o f groundwate r

an dsurfac e wate r

whic hcompris e th e remed y describe di n th e Septembe r 200 2 RO D amendment . An dfinally , thi s Interi mR A Report provide s informatio n o n th e fina l inspectio n conducte di n 200 2 fo r th e institutiona l control s an dlong-ter mmonitorin g program . Th e Interi mR A Report

wa s prepare db y EPA' s projec t manage r b y incorporatin g appropriat e section s o f

document s previousl y submitte db y th e Settlin g Defendants ' consultant s a s wel l a s EPA' s Septembe r

200 2 Preliminar y Clos e Ou t Report , Septembe r

200 2 RO D amendment , an d th e Septembe r

200 2 Five-Yea r

Revie w Report

int o th e forma t

presente di n EPA' s guidance . A signature belo w indicate s approval o f thi s Interi mR A Report

fo r th e F . O'Conno r

Superfun d Site .

Mary Sanderson , Chie f

Dat e Remediatio n & Restoratio n I I Branc hINTERI M REMEDIA L ACTIO N REPOR T FO RTH E F . O'CONNO RSUPERFUN D SIT E AUGUSTA , MAIN E TABL E O F CONTENT S 1 . Introductio n 1. 1 Sit e Descriptio n an dLocatio n 1. 2 Sit e Histor y an dInvestigation s 1. 3 Prio r Remedial Activitie s 2 . Operabl e Uni t

Backgroun d 2. 1 T I Waive r 2. 2 Septembe r

200 2 RO D Amendmen t 3 . Constructio n Activitie s 3. 1 Institutiona l Control s 3. 2 Activ e an dPassiv e Oi l Recover y 3. 3 Long-Ter mMonitorin g 3. 4 Five-Yea r

Review s 4 . Chronolog y o f

Event s 5 . Performanc e Standard s an dQualit y Contro l 6 . Fina l Inspectio n 7 . Operatio n & Maintenanc e Activitie s 8 . Summary o f

Projec t Cost s 9 . Observation s an dLesson s Learne d 10 . Contac t

Informatio n 11 . Reference sTabl e

1 . Oi l Recovere dfro mTW A I I well s Figure s 1 . Sit e Locatio n Ma

p 2 . Sit e Pla n 3 . T I Zon e 4 . Designate dAre aan dRestrictiv e Covenan t Boundar y Appendi x A . Restrictiv e Covenan t1 . Introductio n

Thi s Interi mRemedia l Actio n Report ha s bee n prepare dfo r

th e F . O'Conno r

Superfun dSite i n Augusta , Main e b y EPA' s projec t manager . Include di n thi s sectio n o f th e Interi mR A Repor t

ar e brie f description s o f

th e location , history , an dprio r remedia l activitie s a t

th e Site . Th e informatio n presente di n thi s sectio n ha s bee n summarize dfro mth e Septembe r 200 2 RO D Amendment . Th e remainde r o f th e report addresse s th e operabl e uni t background , includin g th e T I waive r an d200 2 RO D Amendmen t (Sectio n 2) ; constructio n activitie s (Sectio n 3) ; chronolog y o f

event s fro mcompletio n o f th e sourc e contro l (Sectio n 4) ; performanc e standard s an dqualit y contro l (Sectio n 5) ; fina l inspectio n (Sectio n 6) ; operatio n an dmaintenanc e activitie s (Sectio n 7) ; summar y o f

projec t cost s (Sectio n 8) ; observation s an dlesson s learne d(Sectio n 9) ; contac t informatio n (Sectio n 10) ; and , reference s (Sectio n 11) . 1. 1 Sit e Descriptio n an d Locatio n Th e F . O'Conno r

Superfun dSit e i s locate di n Augusta , Main e (Figur e 1) . Th e site i s locate do n U.S . Rout e 1 7 near

th e eastern boundar y o f

th e cit y limit s o f

Augusta , Maine , approximatel y 3 mile s eas t o f th e Kennebe c Rive r

(se e Figur e 1) . Th e 23-acr e Sit e i s containe dwithi n a28-acr e propert y owne db y Centra l Main e Powe r (CMP ) an di s bordere db y Rout e 1 7 t o th e south , Rigg s Broo k t o th e east , an dundeveloped , woode dare at o th e nort han dwest . Th e closes t residenc e i s approximatel y 100 0 fee t

t o th e west . Additiona l residentia l propertie s ar e locate dt o th e northwest . O n th e sout hsid e o f Rout e 1 7 ar e wood s whic hlea ddow n t o Rigg s Broo k an d associate dwetlands . Automotiv e entr y t o th e Site i s limite dt o adrivewa y of f Rout e 17 , an d ther e i s agate acros s th e drivewa y nea r Rout e 1 7 tha t

prevent s vehicular

traffic . Ther e ar e foo t trail s whic hente r

th e Sit e fro mth e nort han dwest . Principa l feature s o n th e propert y prio r t o remedia l action s include da n Uplan dMarsh , tw o surfac e wate r

impoundment s (Uppe r

an dLowe r

Lagoons) , thre e forme r

outdoo r transforme r work area s (TWAs) , an dRigg s Broo k (Figur e 2) . Upo n completio n o f th e sourc e contro l remedia l action fo r

Operabl e Uni t

1 (OU-1 ) th e lagoon s wer e restore da s wetland s an dth e are a encompassin g th e thre e TWA s wa s covere dwit hclea n fill , re-graded , an dsuccessfull y vegetated . 1. 2 Sit e Histor y an d Investigation s Th e site wa s th e forme r

locatio n o f

transforme r

salvagin g processes , whic hinclude dstrippin g an drecyclin g transformers , som e o f whic hcontaine dPCB-contaminate doil . Th e F . O'Conno r Compan y operate dfro mth e earl y 1950 s throug hth e lat e 1970s . A s aresul t o f release s o f polychlorinate dbiphenyl s (PCBs) , lead , chlorinate dpolyaromati c hydrocarbon s (cPAHs ) an d volatil e organi c compound s (VOCs ) a t th e site , th e sit e wa s place do n th e Nationa l Prioritie s Lis t (NPL)inl983 .I n Septembe r 1989 , EP A issue daRO D fo r th e O'Conno r

site . Th e barn structur e wa s t o b e decontaminated , demolished , an dthe n dispose do f of f sit e a t appropriat e facilities ; standin g wate r an dsediment s i n th e tw o lagoon s wer e t o b e removed ; soil s contaminate dwithPCBs , PAHs , an dlea dwer e t o b e excavate dan dtreate dusin g solven t extraction ; contaminate d groundwate r

wa s t o b e pumpe dfro mth e soil s an dbedrock , treated , an dthe n discharged ; and , 'sediment s an dfis hi n Rigg s Broo k wer e t o b e sample dfo r

te n years . Performanc e standard s fo r soi l an dsedimen t

wer e se t a t 1 part s pe r

millio n (ppm ) PCBs , 1 pp m cPAHs , an d24 8 pp mlead . Performanc e standard s fo r groundwate r

wer e se t at 0. 5 part s pe r billion (ppb ) PCBs , 5 pp b benzene , an d2 7 pp b 1,4-dichlorobenzene . Performanc e standard s fo r th e standin g wate r

i n th e lagoon s wer e se t

at 0.06 5 pp b PCBs , 1.9 4 pp b lead , an d8 7 pp b aluminum . Performanc e standard s fo r Rigg s Broo k

sedimen t an dbiot awer e se t

a t 1 pp mPCB s an d2 pp mPCBs , respectively . I n Septembe r

1991 , aConsen t

Decre e betwee n EP A an dCM P wa s approve db y th e U.S . Distric t Cour t o f Maine . Wit hthi s Consen t Decree , CM P agree dt o perfor man dfun dth e remed y selecte di n th e 198 9 ROD . On e o f th e component s o f

th e remed y wa s institutiona l control s o n site groundwater . I t

wa s EPA' s inten t

tha t thos e institutiona l control s woul dremai n i n effec t unti l remediatio n o f

th e groundwate r

wa s complete . Th e Consen t

Decre e allowe dfo r

a n evaluatio n o f

th e solven t

extractio n technolog y selecte dfo r th e soils . Followin g thi s evaluation , EP A an dMain e DE P agree dthat thi s technolog y fo r

th e sit e soil s woul dno t

b e abl e t o attai n th e cleanu p goals . A s aresult , i n Jun e 199 4 EP A issue da n Explanatio n o f

Significan t

Difference s (ESD ) whic hmodifie dth e soi l remedy . Soil s containin g mor e tha n te n pp mPCB s o r cPAHS , or , 24 8 pp mlea dwoul db e treatedusin g solven t extractio n technology , an dsoil s containin g betwee n on e t o te n pp mPCB s o r cPAH S woul db e consolidate d int o on e are aonsit e an dthe n covere dwithclea n fil l brough t i n fro mof

f site . Thi s designate d are ai s show n o n Figur e 4 . I n Octobe r 1995 , EP A invoke dth e contingenc y remed y se t fort hi n th e 199 4 ESD . Thi s ES D als o include dacontingenc y that allowe dfo r

th e off-sit e disposa l o f soi l an dsedimen t

wit hgreate r

tha n te n pp mPCB s an dcPAH s withou t firs t requirin g on-sit e solvent extractio n treatment . A t th e sam e tim e a s th e ESD , aDeclaratio n o f Restrictiv e Covenan t

wa s execute dbetwee n CM P an dMain e DE P bu t

no t recorded . Thi s Restrictiv e Covenan t wa s recorde do n Septembe r 13 , 200 2 i n concurrenc e wit hth e RO D Amendment . Th e are acovere db y th e covenan t i s th e 23-acr e Sit e withi n th e 28-acr e propert y an di s show n o n Figur e 4 . O n Apri l 25 , 1996 , EP A agree dt o dela y completio n o f th e managemen t

o f migratio n (MOM ) design , an dt o separat e th e Rigg s Broo k componen t

fro mth e MO M a s athir doperabl e uni t (OU

3) . Thi s wa s don e s o tha t

th e samplin g an danalysi s fo r Rigg s Brook , th e remedia l action require db y th e ROD , coul dbegi n prio r t o th e completio n o f

th e MO M design . Th e sourc e contro l (SC ) componen t

o f th e selecte dremed y wa s designate da s OU- 1 an dth e MO M componen t

wa s designate da s OU-2 .1. 3 Prio rRemedia l Activitie s

Th e sourc e contro l remedia l actio n (OU-1 ) wa s complete di n 1997 . I t bega n i n 199 6 with th e cleaning , demolition , an doff-sit e disposa l o f th e bar n situate dalon g Rout e 17 , an dothe r sit e preparatio n activities . Th e secon dphas e o f th e soi l cleanu p wa s complete di n 1997 . Thes e activitie s include dth e collectio n an doff-sit e disposa l o f lagoo n water, an dth e excavatio n an d off-sit e disposa l o f

nearl y 20,00 0 ton s o f

soil . A n additiona l 300 0 t o 400 0 ton s o f soil s wit h PCB s o r cPAH S concentration s betwee n 1 an d1 0 pp mwer e place dwithi n th e designate dare ao n site . Thi s are awa s the n covere dwit h aminimu mo f on e foo t o f clean fil l brough t

i n fro mof

f site . Th e entir e site wa s the n graded . Drainag e pattern s an dth e on-sit e wetland s wer e restored . A n additiona l 0. 4 acre o f

wetland s wa s create di n th e forme r lagoon s a s replacemen t

fo r wetland s los t a s aresul t

o f th e cleanu p activities . Laborator y test s o f

sample s collecte dfro mth e botto man dperimete r o f th e excavatio n demonstrate dtha t

th e excavatio n ha dremove dth e contaminate dsoi l t o th e performanc e standard s se t

i n th e 199 4 BSD . Combine dwit h th e operatio n an dmaintenanc e o f th e soi l cove r an dmonitorin g points , th e ris k t o publi c healt h fro mcontac t wit h th e soi l an dinhalatio n o f vapor s ar e addressed . A mor e complet e descriptio n o f th e sourc e contro l activitie s ca n b e foun di n th e Septembe r 199 8 Sourc e Contro l Remedia l Actio n report . Th e Managemen t

o f Migratio n componen t

(OU-2 ) describe di n th e 198 9 RO D include d installatio n o f

groundwate r

extractio n wells , installatio n o f agroundwate r

treatmen t system , monitorin g o f

th e treatmen t

system , an dmonitorin g th e groundwate r usin g selecte dmonitorin g wells . A pilot-scal e aquife r

tes t wa s performe di n Augus t 199 2 a s part

o f th e pre-desig n phase . Prio r t o th e pum p test , th e presenc e o f athi n laye r

o f oi l wa s note di n on e bedroc k well . Durin g an dafte r th e pilot-scal e test , separat e phas e oi l u p t o 3. 5 fee t wa s note di n thre e bedroc k monitorin g wells . A s aresul t

o f thi s aquife r

test , i n Novembe r

- December , 1992 , additiona l well s wer e installe di n both th e overburde n soil s an di n bedroc k t o determin e th e latera l exten t o f th e separat e phas e oi l i n TW A I I an dt o determin e whethe r separat e phas e oi l wa s als o presen t i n th e uplan dmarsh , TW A I an dTW A III . N o separat e phas e oi l wa s foun di n an y o f thes e othe r

locations , an dth e PRP' s consultan t

conclude dtha t

th e latera l exten t

o f separat e phas e oi l wa s limite dt o th e centra l are ao f TW A II . Phas e 1 of

the vacuum-enhance drecover y syste m(VER ) occurre din Novembe r - December , 1996 . Phas e 1 include dinstallatio n o f a n extractio n wel l an dreinjectio n wells , an dtestin g o f th e syste mcomponents. Th e result s o f thi s indicate dtha t

aconstan t

vacuu mcoul db e maintaine do n th e extractio n well , th e reinjectio n well s worke dsuccessfully , an drespons e t o th e pumpin g wa s observe di n othe r

monitorin g well s u p t o forty-fiv e fee t away .Phas e 2 o f

th e VE Rbegan i n Januar y 199 7 an dende di n Ma y 1997 , prio r t o th e implementatio n of Phas e 2 of

the Sourc e Contro l Remedia l Action . Phas e 2 of the VERinclude dthe setu p of the treatmen t process , a n initia l two-wee k operatio n t o determin e th e optima l vacuu msetting , an d the n athree-mont hoperatio n befor e amont ho f puls e pumping . Th e result s o f thes e activitie s indicate dtha t

runnin g th e syste ma t

fiv e inches o f

mercur y allowe dth e syste mt o approximat e th e recharg e t o th e groundwate r flo w syste man dt o allo w fo r th e stabilizatio n o f

groundwate r levels . I n addition , i t

wa s foun dtha t

th e pumpin g create dpreferre dorientatio n o f groundwate r flo w alon g th e bedroc k

ridge . CM P recommende dtha t n o additiona l activ e extractio n measure s b e take n fo r

OU-2 . Followin g Phas e 2 , CM P continue dt o recove r fre e oi l fro mon-sit e well s passivel y (that is , withou t applyin g avacuu mt o aparticula r well , instea dremovin g an y accumulate doi l i n th e well s withabsorben t

materials) . Fro mJul y 199 7 t o Jul y 2001 , alittl e unde r seve n gallon s o f PCB-contaminate doi l wa s recovered . Phas e 3 o f

th e VE Roperatio n began i n Augus t 200 1 an dende di n Octobe r 2001 . A vacuu mwa s sequentiall y place do n fiv e wells , th e origina l recover y wel l an dfou r monitorin g wells . Thi s cycl e wa s repeate dunti l n o mor e oi l wa s recovered . Approximatel y twent y gallon s o f PCB-lade n oi l wer e recovere di n Phas e 3 . A summar y o f oi l recover y i s presente di n Tabl e 1 . A s wil l b e discusse dbelow , EP A approve dafina l Technica l Impracticabilit y Repor t fo r OU- 2 i n Jun e 2002 . Followin g a30-day publi c commen t perio di n th e summe r

o f 2002 , EP A issue da RO D amendmen t

i n Septembe r

2002 . Durin g th e sam e period , Department o f Justice , EPA , an d Centra l Main e Powe r

bega n revisin g th e 199 1 Consen t Decree . A n amendmen t

t o th e Consen t Decre e wa s lodge di n U.S . Distric t Court s i n Main e i n Januar y 2004 . Followin g apubli c commen t period , i t wa s entere do n Marc h27 , 2004 . 1. 2 Operabl e Uni tBackgroun d Th e O'Conno r

sit e wa s divide dint o thre e operabl e unit s i n 1996 , seve n year s afte r th e RO D wa s signed . Th e thre e unit s ar e sourc e contro l OU-1 , groundwate r OU-2 , an dRigg s Broo k

OU-3 . Remedia l actio n fo r

OU- 1 wa s complete di n 199 7 an dEPA , withconcurrenc e fro mMain e DEP , signe dof f o n thi s componen t

wit hth e approva l o f

th e Septembe r

199 8 Sourc e Contro l Remedia l Actio n report . Th e limite dactio n require dfo r Rigg s Broo k

b y th e 198 9 RO D continue s t o b e carrie dout . Th e groundwate r

remed y selecte di n th e 198 9 RO D include dth e remedia l actio n objectiv e t o reduc e futur e healt hrisk s fro mingestio n o f contaminate dgroundwate r foun do n th e site . Thi s remedia l actio n objectiv e wa s t o b e achieve dthroug hth e performanc e o f th e selecte dremed y includin g pumpin g wells , atreatmen t system , an danetwork

o f monitorin g well s t o trac k contaminatio n levels . Th e inten t wa s t o pum p an dthe n treat groundwate r

whic hcontaine d dissolve dPCB s an dVOC s an dthereb y restor e th e qualit y o f th e groundwater .2. 1 Technica l Impracticabilit y Waive r

EP A conclude dtha t

i t wa s technicall y impracticabl e t o restor e th e groundwate r withi n a reasonabl e tim e frame . Th e remedia l actio n objectiv e i n th e 198 9 RO D ha dinclude drestoratio n o f th e contaminate dgroundwater . However , wit hth e 199 2 pilo t tes t resultin g i n th e discover y o f separate phas e PCB-contaminate doi l i n th e bedrock , th e prospec t o f restorin g th e groundwate r t o drinkin g wate r

qualit y becam e problematic . Ultimately , followin g additiona l oi l recover y effort s performe db y CMP , EP A conclude dtha t i t wa s technicall y impracticabl e (TI ) t o restor e th e groundwate r

i n areasonabl e tim e fram e fo r th e followin g reasons :

• th e continue dpresenc e o f separat e phas e PCB-lade n oi l i n th e bedroc k fiv e year s afte r th e successfu l completio n o f th e sourc e contro l remedia l action ;

• th e sit e i s locate do n atopographi c hig hwit harelativel y thi n venee r o f cla y an dtil l soil s abov e th e bedrock . A s such , ther e i s littl e latera l groundwate r flo w movin g throug h the overburde n tha t

coul ddesor

b the contaminations ;

• th e presenc e o f

residua l oi l i n discret e fracture s i n th e desiccate dbrow n cla y an di n th e soft , unfracture dgra y cla y represent s along-ter msource . Surfac e wate r infiltrate s int o th e fracture s i n th e brow n cla y an di s quasi-perche do n to p o f th e sof t clay , makin g itsel f availabl e fo r

evapotranspiration . Base do n histori c wate r elevatio n data , th e quasi

perche dwate r

tabl e i n th e brow n cla y fluctuate s a s muc ha s 6 t o 8 fee t durin g th e year .

• th e overburde n groundwate r i s confine di n th e til l beneat hth e cla y bu t th e wate r tabl e i s discontinuou s dependin g o n seasonal wate r level s an dbedroc k

elevation ;

• th e bedroc k

surface , a s observe ddurin g th e sourc e remedia l action , appeare dt o b e very competent . Ver y fe w fracture s appeare dt o b e expose dalon g th e bedroc k surfac e an d non e appeare dt o b e abl e t o suppl y an y significan t amoun t o f recharg e t o th e bedroc k

flo w system , no r

tha t migh t b e th e entr y zon e fo r

contaminant s t o migrat e fro mth e overburde n int o th e bedrock .

• th e limite dfractur e network o f th e bedroc k

flo w syste man dlimite davailabl e recharg e fro mth e overburde n limit s flo w i n th e bedroc k aquifer . Recharg e t o th e bedroc k fro mth e overburde n i s limite db y th e lo w permeabilit y overburde n soil s an dlac k o f shallo w groundwate r

i n th e overburden . Becaus e th e bedroc k i s tight , limite dflo w move s throug h th e bedroc k

system . Whe n al l thes e factor s ar e combined , the y poin t t o aresidua l contaminatio n withi n th e overburde n wher e hydrologi c flushin g i s limited , an ddisperse dcontaminatio n i n minimall y fracture dbedroc k

whic hmake s an y active restoratio n effor t technicall y impracticable .2. 2 Septembe r200 2 RO D Amendmen t

Th e 198 9 RO D wa s amende dt o addres s th e long-ter meffectivenes s an dpermanenc e o f maintainin g saf

e drinkin g wate r

fo r th e populatio n tha t

coul db e affecte db y groundwate r contamination ; t o chang e th e approac h t o cleanu p o f th e overburde n an dbedroc k aquifers ; an dt o se t u p monitorin g fo r

bot h th e T I zon e an dth e are adowngradien t o f it . Th e Septembe r

200 2 RO D amendmen t

include dth e followin g components :

• institutiona l control s t o prevent exposur e t o contaminate dgroundwater ;

• activ e an dpassiv e oi l recover y fro mth e overburde n soi l an dbedrock ;

• establishmen t

o f atechnica l impracticabilit y zon e fo r alimite dare ao f

th e Site fo r PCB s an dseve n VOCs ;

• long-ter mmonitorin g o f th e groundwate r

t o trac k it s progres s towar dmeetin g drinkin g wate r standard s outsid e o f

th e T I zone ; an d

• periodi c review s t o evaluat e whethe r thi s cleanu p approac h continue s t o b e protectiv e o f huma n healt h an dth e environment . 1. 3 Constructio n Activitie s Th e remed y selecte di n th e Septembe r 200 2 RO D amendmen t

include dinstitutiona l controls , activ e an dpassiv e oi l recover y withi n TW A II , long-ter mmonitorin g o f groundwater , an dfive

year reviews . 3. 1 Institutiona l Control s Th e Septembe r

200 2 RO D amendmen t

change dth e ris k

managemen t

approac h fro mactiv e restoratio n o f

th e groundwate r

throug h treatmen t

t o th e establishmen t

o f institutiona l control s an d activ e recovery o f

separat e phas e oil . Specifically , th e RO D amendmen t recognize darestrictiv e covenan t that CM P place do n th e propert y tha t prevent s us e o f

th e groundwate r

o r an y activitie s tha t migh t interfer e with th e site cleanu p withou t writte n approva l fro mMain e DEP . Thi s restrictiv e covenan t

i s fo r th e entir e 28-acr e parce l an di s attache da s Appendi x A . 3. 2 Activ e an d Passiv e Oi l Recover y Th e Septembe r

200 2 RO D Amendmen t

change dth e approac h fo r managemen t

o f migratio n fro m groundwate r

extractio n an dtreatmen t

t o activ e an dpassiv e oi l recover y . A s note dabove , th e oi l extractio n syste mwa s firs t implemente di n Novembe r - December , 1996 . Followin g thi s successfu l testin g of

the system, the activ e recovery continue dfro mJanuary - May 1997 . Phas e 3 o f th e VE Roperatio n bega n i n Augus t 200 1 an dende di n Octobe r 2001 . A vacuu mwa ssequentiall y place do n fiv e wells , th e origina l recover y well an dfou r monitorin g wells . Thi s cycl e wa s repeate dunti l n o mor e oi l wa s recovered . Approximatel y twent y gallon s o f PCB-lade n oi l wer e recovere di n Phas e 3 . Subsequen t t o thi s an dth e Septembe r 200 2 RO D Amendment , CM P ha s operate dth e activ e recover y syste mannuall y i n th e Augus t - Octobe r

period . I n additio n t o th e activ e oi l recovery , CM P continue dt o recove r fre e oi l fro mon-sit e well s passivel y usin g absorben t material s t o remov e an y accumulate doi l i n th e TW A I I wells . 3. 3 Long-Ter m Monitorin g Th e Statemen t

o f Work , Appendi x A o f

th e 200 4 Amendmen t

t o Consen t

Decree , specifie dth e activitie s whic h woul dcompris e th e long-termmonitorin g task . Th e long-termmonitorin g pla n (LTMP ) i s amodificatio n o f th e groundwate r

an dsedimen t

monitorin g that

ha s bee n carrie dou t a t th e sit e beginnin g i n th e mid-1990s . Th e LTM P identifie s th e samplin g locations , frequenc y o f sampling , an danalysis . I t ha s thre e objectives : monitorin g th e separat e phas e PCB

contaminate doi l i n TW A II ; monitorin g o f th e perimete r

o f th e T I zon e t o demonstrat e tha t th e dissolve dcontaminan t

plum e i s no t

expanding ; an dmonitorin g o f th e downgradien t

groundwate r t o demonstrat e tha t

natura l processe s ar e continuin g t o decreas e th e concentration s o f th e contaminants . Followin g approva l b y EPA , CM P switche dfro mth e existin g monitorin g progra mt o th e LTMP . Th e monitorin g dat awil l b e use dt o verif y tha t contaminan t

concentration s ar e decreasing , refin e th e tim e estimate s necessary t o reac h federa l an dstat e standards , an dsuppor t th e sit e conceptua l mode l tha t

th e contaminant s ar e no t

expandin g throug h th e overburde n an dbedrock . Th e curren t

groundwate r

dat aindicate s tha t

performanc e standard s wer e attaine di n th e are a downgradien t

o f th e T I zone , an di n fact , wer e als o attaine di n th e overburde n well s withi n th e T I zon e downgradien t

o f th e TW A I I area . Similarly , th e mos t

curren t sedimen t dat afo r Rigg s Broo k

(OU-3 ) indicate s tha t

th e performanc e standard s wer e attaine di n nearl y al l location s (3 4 ou t o f 36) . I t i s believe dthat

th e tw o sporadi c exceedance s represen t

th e heterogenou s natur e o f sedimen t organi c content . 3. 4 Five-Yea rReview s A s lon g a s contaminatio n remain s o n site , th e Superfun dla w require s review s ever y fiv e year s t o evaluat e th e effectivenes s o f th e implemente dcleanu p plan . Th e nex t five-year revie w i s schedule dfo r

th e summe r

o f 2007 . A s part o f eac h five-year

review , EP A wil l revie w th e Sit e condition s t o determin e i f th e cleanu p actio n i s protectin g publi c healt h an dth e environmen t an drefin e th e tim e estimate s necessar y t o reac hth e groundwate r

standards . Th e revie w wil l als o b e use dt o asses s th e continue d applicatio n o f

th e activ e oi l recovery component .I n additio n t o th e evaluatio n o f dat arelevan t

t o th e managemen t

o f migration , th e five-year revie w wil l b e use dt o confir mth e protectivenes s o f th e sourc e contro l componen t (OU-1) . I n additio n th e nex t

five-year revie w wil l asses s th e te n year s o f sedimen t samplin g (199 7 - 2007) , th e RO D remed y fo r

Rigg s Broo k

(OU-3) . 4 . Chronolog y o f

Event s F . O'Conno r

Superfun dSit e F . O'Conno r

Co . begin s operatin g asalvag e an delectrica l transforme r

recyclin g busines s o n th e site Oi l spil l o n site foun dt o hav e migrate dtowar dRigg s Broo k Main e DE P conduct s additiona l samplin g event s a t th e site , identifie s polychlorinate dbipheny l (PCB ) contaminatio n EP A conduct s samplin g event s a t th e site , confirm s PC B contaminatio n Sit e place do n Nationa l Prioritie s Lis t (NPL ) EP A issue s Unilatera l Administrativ e Orde r t o O'Conno r

Co . requirin g i t

t o fenc e 5 acre s o f

th e Sit e an dsampl e an d analyz e al l drum s an dtank s o n th e sit e EP A notifie s O'Conno r

an dCentra l Main e Powe r o f thei r potentia l responsibilit y fo r contaminatio n a t

th e Sit e O'Conno r an dCM P voluntaril y ente r int o a n Administrativ e Orde r b y Consen t

(AOC ) with EP A t o conduc t aRemedia l Investigatio n an dFeasibilit y Stud y (RI/FS ) a t th e Sit e Main e DE P issue s a n Administrativ e Orde r t o O'Conno r designatin g th e Sit e a n Uncontrolle dHazardou s Substanc e Sit e unde r Main e la w Main e DE P issue s a n AO C t o O'Conno r an dCM P EP A an dMain e DE P issu e a n amende dAO C t o O'Conno r an dCMP . Orde r

extend s Sit e limit s t o approximatel y 9 acre s CM P submit s adraf

t RI/F S t o EP A an dMain e DE P RO D issue db y EP A C D betwee n EP A an dCM P entere dint o Main e Distric t Court Earl y 1950 s Feb 197 2 1978 & 198 2 1982-198 4 SeptS , 198 3 De c 21 , 198 4 Apri l 198 5 Ma y 13 , 198 6
Ma y 19 , 198 6
Jun e 23 , 198 6 May 23 , 198 7 Jun e 15 , 198 9 Septembe r

27 , 198 9 Septembers , 199 1Main e DE P an dCM P sig n aDeclaratio n o f Restrictiv e Covenan t BS D signe d Revise dStatemen t

o f Wor k (RSOW ) issue d EP A invoke s th e contingenc y remed y Sourc e Contro l 100 % Desig n complete d Phas e 1 o f

Sourc e Contro l complete d(OU-1 ) Firs t samplin g o f

OU-3 , Rigg s Broo k

sedimen t Phas e 1 Vacuu mEnhance dRecovery (VER ) (pilot ) complete d(OU-2 ) Phas e 2 VE Rcomplete d(OU-2 ) Phas e 2 o f

Sourc e Contro l complete d(OU-1 ) Sourc e Contro l Remedia l Actio n complete d Phas e 3 VE Rcomplete d(OU-2 ) T I Evaluatio n Report

approve db y EP A Completio n o f

Firs t Five

- Year

Revie w RO D Amendmen t

issue db y EP A Activ e oi l recover y i n TW A I I Activ e oi l recovery i n TW A I I Amendmen t

t o Consen t

Decre e lodge di n Main e Distric t Cour t Amendmen t

t o Consen t

Decre e entere di n Main e Distric t Cour t Activ e oi l recover y i n TW A I I Jun e 199 4 Jul y 11,199 4 Octobe r 20 , 199 4 Octobe r 10 , 199 5 Jul y 199 6 Aug-Oc t 199 6 Octobe r 199 6 Octobe r 199 6 Ja n -Marc h 199 7 May-No v 199 7 Novembe r

11 , 199 7 Aug

- Octobe r

200 1 Jun e 200 2 Augus t 200 2 Septembe r

200 2 Au g - Octobe r

200 2 Au g - Octobe r

200 3 January 200 4 Marc h 27 , 200 4 Au g - Octobe r

200 4 5 . Performanc e Standard s an d Qualit y Contro l Activitie s at

th e Site hav e bee n consisten t wit h th e ROD , BSD , RO D Amendmen t an dal l work plans . Specifically , th e remedia l activitie s associate dwit h th e long-ter mmonitorin g ar e bein g conducte di n complianc e wit h th e Revise dStatemen t o f Work , Appendi x I t o th e Amendmen t t oCD . Thes e activitie s ar e detaile di n th e Projec t Operation s plan s an dar e consisten t wit hth e EPA' s Qualit y Assuranc e an dQualit y Contro l (QA/QC ) procedures . Detaile dwor k plans fo r al l activitie s includin g oi l recover y an dsamplin g an danalyse s wer e reviewe dan dapprove db y EP A prio r t o initiatio n o f

fiel dwork . Al l analytica l dat aha s bee n an dwil l continu e t o b e reviewe d an dvalidate daccordin g t o EP A approve ddat avalidatio n procedures . Al l procedure s an dprotoco l utilize ddurin g th e developmen t an dimplementatio n o f

respons e action s ar e describe di n th e work plan s an dsummar y report s submitte dfo r eac hactivity . Thes e document s ar e availabl e fo r revie w a t th e EP A Regio n I Recor dCente r an dth e Main e DEP . Additionally , al l decisio n document s ar e als o availabl e a t th e Lithglo w Publi c Librar y i n Augusta , Maine . Th e QA/Q C progra mutilize dthroughou t th e Remedia l Actio n wa s sufficientl y rigorou s an dwa s adequatel y complie dwit ht o enabl e EP A an dth e Stat e t o determin e tha t analytica l result s reporte dar e accurat e t o th e degre e neede dt o assur e satisfactor y executio n o f th e RA , consisten t withth e ROD , BSD , RO D amendmen t an dR D plan s an dspecifications . 6 . Fina l Inspectio n A s note di n Sectio n 3.1 , institutiona l control s ar e amajo r componen t

o f th e amende dremedy . O n Septembe r

13 , 2002 , aDeclaratio n o f Restrictiv e Covenan t

o n th e 28-acr e propert y wa s recorde di n Kennebe c Count y Registr y o f Deeds . Thi s covenant , signe db y CM P an dMain e DEP , include s restriction s agains t th e us e o f

groundwate r

o r an y activit y whic hmigh t

disrup t remedia l o r

monitorin g measure s withou t prio r writte n approva l fro mMain e DEP . I n addition , a s state di n th e 200 2 RO D Amendment , shoul dEP A fin dthat thi s covenan t

i s n o longe r protective , effective , o r

i t interfere s withth e performanc e o f th e remedy , additiona l institutiona l control s wil l b e place do n th e property . EP A conducte dafina l inspectio n o f th e Sourc e Contro l Remediatio n Actio n o n Novembe r 12 , 1997 , an ddetermine dtha t

CM P ha dconstructe dth e remed y i n accordanc e withth e RD/R A plan s an dspecifications . Additionally , a s part o f th e firs t five-year review , EP A conducte da n inspectio n o n Ma y 22 , 2002 . EP A determine dtha t th e remed y remain s i n accordanc e wit hth e RD/R A plan s an dspecifications . A s aresul t o f th e RO D amendment , n o additiona l constructio n wa s required . Mos t

recently , EP A mad e asit e visi t o n Decembe r

15 , 200 4 that

foun dastee l gate ha s bee n installe dacros s th e acces s roa dt o preven t vehicula r access , th e oi l recover y syste man d monitorin g well s secured , an dther e were n o indication s o f an y erosio n o r

excavation s o f

th e soi l cove r ove r the sourc e contro l area . 7 . Operatio n an d Maintenanc e Activitie s An operatio n andmaintenanc e (O&M ) pla n has bee n implemente dto ensur e that the institutiona l control s ar e bein g followed , tha t the y ar e effectiv e an dprotective , an dthat th e Sit e i s manage d properly . Th e O& M pla n include s aschedul e fo r monitorin g th e soi l cover , resurveyin g o f th e 1 0designate darea , groundwate r an dsedimen t

monitoring , an dperiodi c samplin g an danalysi s o f th e soi l cove r ove r th e designate dare at o ensur e it s integrity . Thi s samplin g wil l coincid e withth e five-yea r review s an dwil l consis t

o f alimite dnumbe r

o f soi l sample s collecte dfro mabou t 6- 8 inche s belo w th e groun dsurfac e an danalyze dfo r PCBs . 8 . Summar y o f

Projec tCost s Th e F . O'Conno r

site i s aPRP-lea dsite . I n Januar y 1991 , th e Unite dState s an dCM P entere d int o aConsent

Decre e unde r

whic hth e PRP s agree dt o reimburs e th e government s fo r certai n pas t an dfutur e respons e cost s an dfo r natura l resourc e damages , an dt o perfor mth e remedia l action s selecte di n th e ROD . Th e 198 9 RO D estimate dth e sourc e contro l component s cost s woul db e $13,319,000 , th e managemen t

o f migratio n cost s $679,00 0 an dth e Rigg s Broo k component , $223,000 . Post-RO D samplin g indicate dtha t th e volum e o f

soi l an dsedimen t

requirin g treatmen t

wa s substantiall y greate r

tha n estimate di n th e ROD . Thi s wa s projecte dt o increas e sourc e contro l cost s b y abou t

85% , o r $2 4 million . Wit hth e chang e i n targe t cleanu p level s fo r

PCB s an d cPAH s i n th e 199 4 BSD , th e sourc e contro l componen t cost s wer e estimate dt o b e abou t $13. 6 million . CM P ha s state dtha t th e capita l cost s fo r

SCR A wer e betwee n $1 3 millio n an d$1 4 millio n ou t

o f atota l remediatio n expens e o f $1 8 million . O& M cost s fo r

OU- 1 includ e sit e inspection s an dsit e repairs . O& M cost s wer e originall y estimate dat

approximatel y $15,00 0 fo r year 1 an d$3,00 0 fo r

year s 2 throug h10 . Accordin g t o CMP' s consultant , cost s wer e initiall y lowe r tha n originall y estimate di n th e O& M pla n becaus e th e Sit e ha s no t

ye t bee n mowe d(i n orde r

t o allo w th e vegetatio n t o establis hitself ; th e TW A I I are aha s sinc e bee n mowe d) an dth e onl y significan t repai r wor k wa s mino r

erosio n an dacces s roa drepai r

conducte di n 1999 . Thes e cost s d o no t includ e th e semi-annua l sit e inspection s performe db y CMP , CM P labo r costs , o r th e wetlan dconstructio n monitorin g performe db y Th e Smar t Associates . O&M cost s for

OU- 2 hav e bee n limite dto the cost s of groundwate r

monitoring . No maintenanc e ha s bee n require dt o dat e fo r th e wells . Accordin g t o th e CMP' s consultant , groundwate r monitorin g cost s ar e approximatel y $50,00 0 pe r year . Ther e ar e n o O& M cost s associate dwith OU-3 . 9 . Observation s an d Lesson s Learne d Th e Technica l Impracticabilit y guidanc e provide s awell-sequence dframewor k fo r documentin g on e o f th e si x waiver s allowe di n th e NCP . Onc e al l partie s recognize dtha t i t wa s technicall y impracticabl e t o restor e th e groundwate r t o drinkin g wate r

qualit y withi n areasonabl e timeframe , the n th e necessary component s fo r amendin g th e RO D wer e al l part o f th e T I evaluation . Th e lesso n learne dwa s tha t

th e relativ e precisenes s o f th e T I zon e wa s les s critica l tha n settin g u p th e zon e fo r eas y long-ter mmonitorin g an dinspectio n whil e stil l separatin g th e are awit hfree-phas e 1 1oi l fro mth e downgradien t are awher e MCL s ar e expecte dt o b e consistentl y achieve dwithi n th e nex t te n years . 10 . Contac tInformatio n Contac t informatio n fo r

th e F . O'Conno r

Superfun dSit e includ e th e following : Terrenc e Connell y EP A Remedia l Projec t

Manage r 617918-137 3 email : connelly.terry(g).epa.go v Claudi aSai l Main e DE P Projec t

Manage r 207287-771 4 email : Claudia.B.Sait@state.me.u s Ro y Koste r Centra l Main e Powe r 207621-388 7 rov.koster(a),cmpco.co m

1 211 . Reference s

Main e Departmen t

o f Environmenta l Protectio n an dCentra l Main e Powe r Company , ''Restrictiv e Covenant" , Septembe r

13 , 2002 . U S Environmenta l Protectio n Agency , "Recor do f Decisio n Summar y O'Conno r Compan y Superfun dSite" , Septembe r 27 , 1989 .

, "Consent Decree , Unite dState s o f America , Plaintif

f v . Centra l Main e Power , Defendant" , September

3 , 199 1

, "Explanatio n o f

Significan t

Difference s fo r

th e F . O'Conno r

Compan y Superfun dSite" , Jul y 11 , 1994 .

, "Remedial Design/Remedial Actio n Revise dStatemen t o f Work , O'Conno r

Company Superfun dSite , Augusta , Maine" , Octobe r 199 4 (SO Wi s appendi x A t o CD )

, "Invocatio n o f

Contingenc y Remedy fo r th e F . O'Conno r

Compan y Superfun dSite" , Octobe r 10 , 1995 .

, "Clos e Ou t

Procedure s fo r

Nationa l Prioritie s Lis t

Site s - OSWE RDirectiv e 9320.2

- 09A-P" , January 2000 .

, "Firs t Five-Year

Review Report

F . O'Conno r

Superfun dSite" , Septembe r 2002 .

, "Preliminar y Close-Ou t

Repor t F . O'Conno r

Superfun dSite" , Septembe r 2002 .

, "Recordo f

Decisio n Amendmen t

F . O'Conno r

Superfun dSite" , September 2002 . Woodar d& Curran , Inc. , "Managemen t o f Migratio n Comprehensiv e Evaluation , O'Conno r Superfun dSite" , Augus t

199 7

, "Final Sourc e Contro l Remedia l Actio n Report " Septembe r 1 , 1998 .

. "Oi l Stud y i n th e Uplan dMars h Are aa t th e CM P O'Conno r

Sit e i n Augusta , Maine, " Januar y 199 9

, "199 9 Rigg s Broo k

Sedimen t

an dBiot aMonitorin g Report , O'Conno r Compan y Superfun dSite" , February 200 0

, "200 0 Rigg s Broo k

Sedimen t

an dBiot aMonitorin g Report , O'Conno r Compan y Superfun dSite" , July , 200 1 1 3, "Managemen t o f Migratio n Sampling an dAnalysi s Quarterl y Report , O'Conno r Compan y Superfun dSite" , Octobe r 26 , 200 1

, "200 1 Rigg s Broo k

Sedimen t an dBiot aMonitorin g Report , O'Conno r Compan y Superfun dSite" , December 13 , 200 1

, "Technical Impracticabilit y Evaluatio n fo r OU- 2 Managemen t

o f Migration , O'Conno r Compan y Superfun dSite" , Jun e 7 , 200 2

1 4

### F . O'Conno r Superfun dSite , Augusta , Main e Interi mRemedia l Actio n Report Tabl e 1 : Gallon s o f

Oi l Recovere dFro mTWA I I Are aWell s Perio d Pum p Tes t

- VE R VE RPhase s I & I I Sourc e Contro l Passiv e Collectio n VE RPhas e II I Passiv e Collectio n Post-RO D Amendmen t VE R Post-RO D Amendmen t VE R Tota l 1992-199 4 1996-199 7 199 7 1997-200 1 200 1 2001-200 2 200 3 2004 OW

202 B 15. 8 0. 0 0. 0 2. 1 1. 9 0. 1 0.5 2 N A 20. 4 OW

204 B 0. 0 0. 0 0. 0 0. 1 0. 0 0. 0 0. 0 N A 0. 1 

## ow 301 B 8. 3 0. 0 0. 0 0. 2 4. 6 0. 0 0.0 4 N A 13. 1 OW-302 B

5. 7 0. 0 0. 0 2. 3 10. 1 1. 7 1.6 7 N A 21. 5 RW

10 1 « 26. 6 N A 2. 4 3. 2 0. 1 0.1 9 NA * 32. 5 Tota

l 29. 8 26. 6 0. 0 7. 1 19. 8 1. 9 2. 4 0. 3 87. 9

* dat afo r individua l well s no t

ye t availabl e

### F . O'Conno rSuperfun d Site , Augusta , Main e Interi m Remedia l Actio n Report

Figure s

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250 0 SCAL E

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### F . O'Conno r Superfun dSite , Augusta , Maine Interi mRemedia l Actio n Report

Appendi x A Restrictiv e Covenan tSTAT EO FMAIN E DEPARTMEN T O FENVIRONMENTA LPROTECTIO N

ANGU S S
. KING , JR . MARTH A KIRKPATRIC K GOVERNO R COMMISSIONE R September 26 , 200 2 Mr . Terry Connell y U S EP A Offic e o f Sit e Remediatio n an dRestoratio n ME/VT/C T Superfun dSectio n On e Congres s Stree t Suite 110 0 - HB T Boston , MA . 02114-202 3 RE : Declaratio n o f

Restrictiv e Covenan t O'Conno r Junkyar dSuperfun dSite Augusta , Main e

Dea r Terry , Attache dpleas e fin darecorde dcop y o f th e Declaratio n o f

Restrictiv e Covenan t

fo r th e O'Conno r Junkyar dSuperfun dSite i n Augusta , Maine . Thi s Declaratio n o f Restrictiv e Covenan t

wa s file d wit hthe Kennebe c County Registr y o f Deed s o n Septembe

r 13 , 2002 . It

wa s recorde do n Book 7058 , pag e 42 . On e cop y i s bein g provided , a s I trus t yo u wil l make furthe r

copie s availabl e neede dto othe r U S EP A staf f at thei r request . Th e original wil l remai n o n fil e her e at th e Main e Departmen t

o f Environmenta l Protection' s mai n offic e i n Augusta . If you hav e any questions , pleas e don' t hesitat e to cal l me. Sincerely , Wilke s B . Harpe r Divisio n o f

Remediatio n Burea u o f Remediatio n & Wast e Managemen t

cc : Ro y Koster , CM P Denni s Harnish , M E Att y General' s Offic e AUGUST A 1 7 STAT E HOUS E STATIO N BANGO RPORTLAN D PRESQU E ISL E AUGUSTA , MAIN E D4333-001 7 10 6 HOGA N ROA D 31 2 CANC O ROA D 123 5 CENTRA L DRIVE , SKYWA Y PAR K (207 ) 287-768 8 BANGOR , MAIN E 0440 1 PORTLAND , MAIN E 0410 3 PRESQU E ISLE , MAIN E 04769-209 4 RA Y BLDG. , HOSPITA L ST . (207 ) 941-457 0 FAX: (207 ) 941-458 4 (207 ) 822-630 0 PAX: (207 ) 822-630 3 (207 ) 764-047 7 PAX: (207 ) 764-150 7

we b site : www.state.me.us/de p printe do n recycle dpape r

# 0K7058PGOI+ 2

DECLARATIO N O F RESTRICTIV E COVENAN T

«* 

## 02959 2 THE STATE O F MAINE ) ) KNO W AL

L MEN B Y THES E PRESENT S THAT : COUNTY O F KENNEBE C ) 

### WHEREAS , Central Main e Power Company/

aMain e corporatio n ("CMP"), i s recor downe r o f tw o parcel s o f

propert y locate do n Easter

n Avenue , so-called(Stat e Route 17 ) i n Augusta , Kennebe c County , Maine . Parce l # 1 i s describe di n aDeed fro mWillia

mR . O'Connor

t o the F . O'Connor

Company , date dApri l 1 , 1977 an d recorde di n the Kennebe c Count y Registr y o f Deed s i n Book

1987 , Pag e 44 . Parce l #

2 i s describe di n aDee dfro mCarrol l E . Theriaul t an dMary J . Theriault

to Rober t L . Hussey an dJea

n C . Hussey , date dAugus t 31,197 3 an drecorde di n th e Kennebe c Count y Registr y of Deed s i n Book 1670 , Pag e 165 ; an

d WHEREAS , aportio n o f th e aforesai dparcel s ha s bee n designate da s a n Uncontrolle dHazardou s Substanc e Sit e pursuan t

t o 3 8 M.R.S.A . §§136

4 and136 5 by th e Main e Departmen t

o f Environmental Protectio n ("DEP" ) an dha s bee n liste do n th e National Prioritie s Lis t a s a"Superfun dSite " b y th e Unite dState s Environmenta

l Protectio n Agenc y ("EPA" ) an di s subjec t to remediatio n pursuan t to aConsen

t Decree entere dbetwee n CM P an dEPA ; an d WHEREAS , a

n Agreement , Releas e an dStipulatio n entere dinto b y CM P an d DEP require s CM P to fil e aDeclaratio n o f Restrictiv e Covenant

i n th e Kennebe c Count y Registr y o f Deed s i n orde r

to ensure th e integrity o f certai n remedia l measures ; NOW , THEREFORE , th e partie s hereto agre e tha t th e followin g covenant shall ru n wit

h th e lan dan db e bindin g upo n CM P an dit s successor s an dassigns , an dshal l appl y to th e portio n o f th e CM P parcel s describe di n Attachmen t A , whic h i s attache dhereto ari dmad e apar t hereof , an dwhic h affecte dportio n shall hereinafter

b e referre dto a s th e "Property " an dshall b e effectiv e upo n th e "completion o f

th e remedia

l action " b y CM P a s that phras e i s define dan duse di n the above-reference dConsen t Decree : X. 1 * )



### - * m1 . Any us e o f

th e groundwate r

beneath th e Property shall b e prohibite dwithou t ^ £ th e prio r

writte n approval o f

th e DEP . 4 0



### - ^ 2 . Any activit

y whic h might

disrup t remedia l or monitorin g measure s installe d ^ U ) pursuan t

to th e Consent

Decre e shall b e prohibite dwithou t th e prior

writte n , ^ approval o f th e DEP . 

### *•! / , ^i- S 3 . CM P or

subsequen t

owner shall maintai n th e Property i n aconditio n o ^ adequat e t o ensure th e continue dcomplianc e with al l applicabl e cleanu p 31 * <4 standard s prescribe din , andt o ensure the ongoing adequac y o f the

# 8K7G58PGOi» 3

-2

- 

### remediatio n implemente dunder the Consen

t Decree . B y wa

y o f example , an dno t b y wa y o f limitation , CM P or

subsequent

owne r shall maintai n al l drainag e ways , berms , monitorin g wells , permeabl e or imperviou s cap s or cover s (includin g pave dportion s o f th e propert

y an darea s covere db y topsoi l o r other clea n fill) , piping , pump s an delectrica l equipment

constructe do r installe dunde r

th e Consen

t Decree . 4 . Th e partie s heret o agre e tha t th e restrictiv e covenant herei n shall b e perpetuall y bindin g upo n th e Property , however , i f condition s o n th e Propert y change , CM P or

any subsequent

owne r o f the Propert

y ma y petitio n DEP for consen t to th e removal o f

th e restrictio n o n th e Propert y create d hereb y an dth e terminatio n o f thi s Declaratio n o f

Restrictiv e Covenant . 5 . The restrictio n containe dherei n shall only inure to the benefi t o f an dshall only b e enforceabl e b y DEP . N o owne r o f any propert

y o r other thirdpart y shal l benefi t

fro mth e restrictio n containe dherei n o r hav e an y right

o r standin g t o enforc e same . 6 . B y it s executio n hereof , DEP acknowledge s an dagree s ma t i t ha s reviewe d an dapprove do f

th e matter s containe dherei n an dthat thi s Declaratio n o f Restrictiv e Covenant , upo n bein g file di n th e Kennebe c County Registr y o f Deeds , will satisf

y the applicabl e provision s o f the Agreement , Releas e an d Stipulatio n i t

ha s entere dwit

h CM P regardin g th e Property . I N WITNES S WHEREOF , th e partie s heret o hav e execute dthi s Declaratio n o f Restrictiv e Covenan

t a s o f th e 8t h da y o f . Jun e , 1994 . CENTRAL MAINE POWERCOMPANY By :

_ Name : Geral dC . Pouli n Title : Vic e President , Generaio n

an dTechnica l Suppor t 

### STAT E OFMAINE KENNEBEC , ss . Jun e 

### Personally appeare dbefor e me thi s 8t h da y o f April,

- 1994, the above-name d Geral dC , Pouli n an 

### dmad e oat h that th e foregoin g i s tru e an d correc t an dbase dupo n his/he r personal knowledge . NOTARY PUBLI C

KARU V E . SWASE Y Notar yPublic , Main e M y Commissio n Expire s Apri l T , 200 7

# 8K7058PGOU1 4

-3 - 

### ACKNOWLEDGED AND AGREE D TO : DEPARTMENT O FENVIRONMENTAL PROTECTION By : Name : Ala n T. Prysunk a Title : Director , Burea u o f Hazardou s Material s & Soli d Wast e Contro l 

### STAT E OFMAINE KENNEBEC , ss . Personally-appeare dbefor e me thi s f da y o f April , 1994

, th e above-name d Mfrn J^Scxn/<£*_ . an dmad e oat h that th e foregoin g i s tru e an dcorrec t an dbase dupo n his/ke ^ persona l knowledge . 

### SEA L 

# &o NOfAR Y PUBLI C /

' , tS9 7Attachmen t A DEE D DESCRIPTIO

N 

### The followin

g describe d parcel , situated o n the Northeasterl ysid e o f Stat e Rout e 17 , locall yknow n a s Eastern Avenue , i n the Cityo f Augusta , Kennebe c County , particularl ybounde d an d describe d a s follows : Beginnin

g a t a 1 " iro

n pip e foun

d a t a n angl e poin t i n the Northeasterl ysidelin e o f Easter n Avenu e (B

k 4089-p . 269) , a s show n o n a pla n entitled , "Standar d Boundar

ySurve

yfo r Centra l Main e Powe r Company , F . O'Conno r Superfun d Site " b

y Coffi n Engineering , Revisio n date d Marc h 22 , 1994 . Sai d poin t o f beginnin

g i s als o situated S 47°24'45 " E o f an d 52.7 8 fee t fro ma 3/4 " iro

n pip e foun

d a t the mos t Southerl ycorner o f Henr yR . & Lillian W . Cox (B k 1554-p . 126) . Thenc e N47°42'03 " E a distanc e o f 623.6 8 fee t t o a 5/8 " reba r se t i n a ston e wal l i n th e Southwesterl ylin e o f Lione l J . & Raymond A . Rodrigu e (B k 2857-p.34) . Sai d reba r i s als o situated S 60°26'23 " E o f an d 251.0 5 fee t fro

ma 5/8 " reba r se t i n a dril l hol e a t the mos t Easterl ycorne r o f Donal d S . Rodrigu e (B

k 4164-p . 336) . Thenc e Southeasterl yalon g the Southwesterl ylin e o f Ridrigue , an d partiall yfollowin g sai d ston e wall , t o a 5/8 " reba r se t a t the Northwesterl ysideline o f a 10 0 foo t wid e transmissio n lin e corrido r designated Sectio n #1 9 (B

k 1117-p . 314 ) . Th e ti e lin e between the two las t mentione d rebar s i s S 60 0 

### 46'07 " E an d 1,354.7 2 feet . Thenc e S 35 0 

### 12"18 " W alon g th e Northwesterl ylin e o f sai d transmission corridor , a distanc e o f 386.8 2 fee t t o a 5/8 " rebar set . Thenc e S 79°45'02 " W alon g th e Northerl ylin e o f sai d transmission corridor , a distanc e o f 824.7 0 fee t t o a 5/8 " reba r se t i n the Northeasterl ysidelin e o f Eastern Avenue . Thenc e N40°50'03 " W along th e Northeasterl ysid e o f Eastern Avenue , a distanc e o f 822.3 1 fee t t o a 5/8 " reba r se t a t th e mos t Southerlycorne r o f lan d conveyed fro

mJea n E . & Rober t L . Husse

yt o Centra l Main e Powe r Compan y(B k 3507-p . 195) . Thenc e continuin

g N40°50'03 " alon g th e Northeasterl ysid e o f Eastern Avenue , a distanc e o f 109.0 0 fee t bac k t o th e poin t o f beginning . Meanin g an d intendin

g t o describe 23.3 6 acre s o f land , a s show n o n a plan entitled , "Standar d Boundar

ySurve yfo r

# 8K7058PGOt* 6

Centra l Main e Powe r Compan yF . O'Conno r Superfun d Site " b

y Coffi n Engineerin

g & Surveying , revisio n date d Marc h 22 , 1994 . Al l direction s ar e Magneti c 1987 , base d o n a surve yentitled , "Propose

d Sal e t o August a Wate r District " b yCoffi n Engineerin

g & Surveying , date d Novembe r 9 , 1987 . Reservin

g an easemen t grante d t o th e Stat e o f Maine , recorde d i n th e Kennebe c CountyRegistr yo f Deed s i n Book 3343-p . 221 . Exceptin

g the ol d Fiel d buria l groun d whic h contain s abou t on e eight h o f a

n acre . The herei n describe d parce l i s a portion o f lan d conveye d fro

m F . O'Conno r Co . t o Centra l Main e Powe r Co. , recorded i n th e Kennebe c Count

yRegistr

yo f Deed s i n Book 4089-p . 269 , an d als o a portion o f lan d conveye d fro

mJea n E . & Rober t L . Husse yt o sai d CMPCo. , recorde d i n Boo k 3507-p . 195 .

X:\LHR\DEEDDES.CR N



### RECEIVE D KENNEBE C SS
. E082SE P 1 3 P H I * 0 2