u s EP A RECORD S CENTE R REGIO N 5 I • FINA L CLOS E OU T REPOR T 41869 1 

### Wast e Managemen t

o f Michigan - Hollan dLagoon s Sit e Ottaw aCounty , Michigan I . INTRODUCTIO N Thi s Fina l Clos e Ou t

Repor t document s tha

t al l respons e action s hav e bee n complete dfo r th e Wast e Managemen t

o f Michiga n - Hollan dLagoon s Site , Ottaw aCounty , Michigan , in accordanc e wit

h Clos e Ou t

Procedure s fo r

Nationa l Prioritie s Lis t

Site s (OSWE RDirectiv e 9320.2-22) . II . SUMMAR Y O F SIT E CONDITION S Backgroun d Th e Wast e Managemen t

o f Michiga n - Hollan dLagoon s Sit e ("Site" ) i s locate da t 270 0 N . 168'* ^ Avenue , betwee n Rile y an dJame s Streets , nea r Holland , Michigan . Th e Hollan d Lagoon s Sit e i s an 80-acr e propert y locate dabou t 0. 5 mile s fro mth e easter n shor e o f Lak e Michiga n i n Ottaw aCounty . Th e Sit e consist s of aformer lagoo n are aan doffice/maintenanc e garag e building . Th e are aconsist s o f mixe dresidential , recreational , an dagricultura l us e an di s adjacent t o th e Southwes t

Ottaw aCount y Landfil l (SWOCLF ) Superfun dSite . Th e Hollan dLagoon s Sit e wa s operate db y Jacobusse' s Refus e Servic e Compan y a s a municipa l garbag e dump , liqui dwast e dewaterin g facility , an dheadquarter s for it s haulin g compan y fro mth e mi d1940' s unti l 1977 . Th e compan y wa s purchase db y Refus e Services , Inc. , in 197 2 an dth e nam e wa s change dt o Hollan dLagoons . Refus e Services , Inc. , merge dint o Michiga n Wast e Systems , Inc. , i n 197 3 an dMichiga n Wast e Systems , Inc. , subsequentl y change dit s nam e t o Wast e Managemen t o f Michigan , Inc . (WMMI) . Fro mabou t

195 7 t o 1964 , Jacobuss e haule dmunicipa l tras h t o an are ai n th e middl e o f th e Sit e an dburne dit , buryin g onl y th e burne dremain s i n th e ground . Afte r 1964 , Jacobuss e haule dmunicipa l tras h t o othe r are alandfill s instead . Liqui dindustria l wast e wa s place dint o wast e disposa l pond s (lagoons ) fro m196 7 t o 1978 . Liqui dwaste s deposite dint o th e lagoon s durin g tha t tim e includ e cide r

vinegar tan k settlings , liquid/sludge s fro ma n organi c pigmen t

plant , metal hydroxides , we t mil k an dfoo d processin g bacteria l digeste r sludges , an dwaste s fro ma n are aspecialty chemical s company . Th e lagoon s wer e abandone din 197 8 an dth e sludge s wer e excavated , mixe dwith lim e t o stabiliz e them , an dhaule dt o th e SWOCL F for disposal . WMM I late r

excavate ddiscolore dsoil s fromth e hau l roa da s i

t wa s suspecte dtha t

thes e soil s containe dsludge s tha t spille dfro mth e truck s that

haule dth e waste s t o th e SWOCLF . Th e Ottaw aCount y Health Departmen t allowe dth e disposa l o f

4 3 dmm s o f

technica l grad e chlora l hydrat e a

t th e Sit e i n 1968 . Th e Michiga n Departmen t o f Natura l Resource s (MDNR ) locate dan dsuccessfull y remove dth e stil l intac t drum s i n Augus t

198 0 for off-sitedisposal . In addition , anearb y residentia l wel l a t th e Thoma s househol dwa s foun dt o b e contaminate dwit

h up t o 6 7 part s pe r

billio n of trichloroethylene . Thi s househol di s no w hooke d u p t o amunicipa l wate r

supply . Pursuan t to Comprehensiv e Environmenta l Response , Compensation , an dLiability Ac t (CERCLA) , th e Unite dState s Environmenta l Protectio n Agenc y inspecte dth e Hollan dLagoon s Sit e i n 1982 . Subsequen t t o th e submitta l o f

th e Sit e Inspectio n Report , th e EP A propose dth e Hollan dLagoon s Sit e t o th e Nationa l Prioritie s Lis t (NPL ) o n Octobe r

15 , 198 4 (4 9 Federa l Registe r (FR ) 40320) , an dadde di t t o th e fina

l lis t o n Jun e 10 , 198 6 (5 1 F

R21099) . Fro m199 3 throug h 1997 , th e EP A an dMichiga n Departmen t o f Environmenta l Qualit y (MDEQ ) hel ddiscussion s t o allo w NP L site s wit h astate-lea denforcemen t designatio n t o follo w th e Remedia l Actio n Plan proces s i n Part 20 1 of th e Michiga n Natura l Resource s an d Environmenta l Protectio n Ac t (NREPA) , Mich . Comp . L . 324.2010 1 e t seq. , rathe r

tha n th e Nationa l Oi l an dHazardou s Substance s Pollutio n Contingenc y Pla n (NCP ) Recor dof Decisio n (ROD ) process . Th e EP A an dMDE Q signe daMemorandu mo f Agreemen t

(MOA ) memorializin g thi s approac h i n 1997 . Durin g thi s negotiatio n period , th e Hollan dLagoon s Sit e wa s designate da s astate-lea denforcemen t site . Interi mRespons e Activitie s I n 1980 , Park

Townshi p bega n t o hoo k u p residence s locate dwithi n th e vicinit y o f th e Hollan dLagoon s Site , includin g th e Thoma s residence , t o th e expande dmunicipa l wate r suppl y line . Th e Ottaw aCount y an dPark Townshi p continue dt o hoo k u p residence s down-gradien t o f th e Hollan dLagoon s an dSWOCL F Site s int o th e expande dmunicipa l wate r suppl y system . Al l hoo k up s an dabandonment s wer e complete di n 2009 . I n additio n t o action s take n earlier , WMM I remove dfou r undergroun dstorag e tank s fro m withi n th e truc k

maintenanc e are ai n 1985 . Concurren t wit h th e Remedia l Investigatio n (RI) , WMM I performe da

n Interi mRespons e Actio n (IRA ) a t th e Sit e b y excavatin g discolore dsoil s plausibl y contaminate dwit h heav y metal s o n th e hau l roa dan dfro mothe r on-sit e area s an dt o remov e genera l surfac e debri s fro mth e Site . WMM I als o excavate dth e former municipa l tras h landfil l are aan ddispose do f th e materia l off-site . Th e R I bega n in 1994 . Th e interi mrespons e wa s complete db y th e en do f 2000 . Al l subsequen t

soi l sample s showe dlevel s o f metal s a t o r belo w generi c residentia l criteri ao r backgroun dvalue s for

th e Stat e of

Michigan . Michiga n Part 20 1 Cleanu p Criteri ai s withi n th e EPA' s acceptabl e ris k range . Are aA - Sit e Entrance : Soi l borin g sample s wer e collecte dan danalyze dfor inorgani c an dorgani c parameters . Th e whit e powde r foun do n th e groun dsurfac e nort h o f th e Sit e buildin g appeare dt o b e lim e base do n th e elevate dcalciu mlevel ; however , th e calciu mlevel s wer e belo w backgroun dconcentrations . N o organi c contaminant s wer e detecte dabov e backgroun do r

Par t 20 1 Residentia l Cleanu p Criteria . A trenc h approximatel y 8 0 feet b y 1 0 fee t wa s discovere ddurin g th e Phas e I Investigatio n in a n are asout

h of th e building . A soi l borin g wa s collecte dan danalysi s detecte dlea dan dzin c a t concentration s abov e background . Th e impacte dsoi l wa s excavated , approximatel y 4 0 cubi c yards , durin g th e IRA . Verificatio n sample s showe dtha

t th e soi l tha t

remaine dwa s belo w th e backgroun dconcentration s for th e analyte s tested .I n 2001 , tw o soi l sample s wer e collecte dfro mth e sam e locatio n a s th e previou s collectio n an dconsiste dmostl y o f th e whit e powde r

material . Analysi s detecte dn o inorgani c contaminant s a

t concentration s tha t

exceede dPar

t 20 1 Residentia l Cleanu p Criteria . Are aB - Forme r

Dewaterin g Lagoo n Area : Analysi s of th e soi l borin g sample s collecte d fromth e forme r

dewaterin g lagoo n are adi dno t detec t any organi c o r

inorgani c contaminant s abov e backgroun do r

Part 20 1 Residentia l Cleanu p Criteria . Th e result s o f th e soi l boring s an d analysi s fro mth e Phas e I an dPhas e I I Investigation s demonstrate dtha t th e lagoon s were properl y abandoned . Are aC - Forme r

Landfil l Area : Analysi s of th e soi l borin g sample s collecte dfromth e former landfil l are adi dno t

detec t an y organi c o r

inorgani c contaminant s above backgroun dor Part 20 1 Residentia l Cleanu p Criteria . Th e ash , meta l cans , an dglas s bottle s i n th e former landfil l are awer e excavate ddurin g th e ER A for disposa l off-site . Approximatel y 1,85 5 cubi c yard s of materia l wer e remove dfro mth e area . Result s of th e analysi s o f

verificatio n sample s showe dther e wer e tw o smal l area s with level s of inorgani c parameter s exceedin g th e backgroun dconcentration . A n additiona l 4 0 cubi c yard s of soi l wer e remove ddurin g th e interi m respons e an ddispose do f

off-site . N o contaminant s wer e detecte dabov e backgroun dor Par t 20 1 Residentia l Cleanu p Criteri ain verificatio n samples . A berme ddru mare awa s locate din th e sout h en dof th e forme r

landfill . Th e bermwa s 7 0 b y 3 0 feet

an dcontaine dsi x old , ruste ddrums . Thes e drum s wer e remove ddurin g th e ER A alon g wit h 22 4 cubi c feet

of bluish-gree n staine dsoi l foun da t th e botto mo f

th e berme darea . N o contaminant s wer e detecte dabove backgroun do r Par t 20 1 Residentia l Cleanu p Criteri ain verificatio n samples . Are aD - Hau l Road : Th e result s o f th e soi l borin g samplin g fro mth e hau l roa dindicate d that th e bluish-gree n soi l foun da t th e groun dsurfac e alon g part s o f th e roa dwa s contaminate d with heav y metals . Analysi s of th e soi l sampl e detecte dchromium , copper , lead , nickel , selenium , zinc , an dcyanid e abov e thei r backgroun dvalues . Impacte dsoil , whic h wa s identifie d in th e previou s phase dinvestigations , wa s remove ddurin g th e IRA . A n are a40 0 feet b y 7 0 feet b y 1. 5 feet

dee p wa s excavated , removin g approximatel y 1,43 3 cubi c yard s o f soil . Verificatio n sample s indicate dth e soi l that remaine dwa s no t

impacte dabov e backgroun dconcentration s fo r heav y metals . An additiona l 3 0 cubi c yard s o f soi l wer e remove dfro mth e adjacen t Ottaw a County property . Durin g th e Phas e V Investigation , a n additiona l 54 0 cubi c yard s o f soi l wer e excavate d fromth e hau l roa dare aan ddispose do f off-site . Th e verificatio n sample s collecte d demonstrate dtha

t th e remainin g soi l me t

th e Part 20 1 Residentia l Cleanu p Criteria . Are aE - Forme r

Dai mBuria l Area : Analysi s of th e soi l borin g sample s collecte dfrom th e former

dm mburia l are adi dno t detec t an y organi c or

inorgani c contaminant s abov e backgroun do r

Part 20 1 Residentia l Cleanu p Criteria . Are aF - Easter n Hal f

of Site : Th e investigatio n of thi s are ao f

concern involve d collectin g tw o soi l sample s fro mfour borin g locations . An additiona l four boring s wer e collecte dfro malon g th e eastern edg e of th e are afo

r backgroun danalysis . Th e result s of th e Phas e I backgroun dboring s an dth e Phas e II boring s indicate dn o contaminant s wer e detecte dabov e th e Par t 20 1 Residentia l Cleanu p Criteria . N o environmenta l hazar dwa s foun din th e easter n hal f

of th e Site . Undergroun dStorag e Tank s (USTs) : A revie w o f th e 198 5 US T repor

t di dno t indicat e tha t th e four UST s ha dbee n removed . Durin g th e Phas e I Investigation , asoi l borin g sampl e wa s collecte dfro mth e are ao f th e former US T # 1 a

t th e northeas t

come r of th e building . A secon dsoi l borin g sampl e wa s collecte dfro mth e US T # 4 location . Th e result s of thes e soi l borin g sample s di dno t detec t an y petroleu mhydrocarbo n o r organi c contaminant s abov e Part 20 1 Residentia l Cleanu p Criteria . Durin g Phas e II , a

n additiona l investigatio n wa s conducte dt o determin e i f UST s # 3 an d # 4 locate dnear

th e southwes t

come r of th e buildin g ha dbee n removed . Th e investigatio n involve dsearchin g th e are awit h a n electro-magneti c (EM ) detecto r to determin e i

f ther e wer e an y burie dlarg e metal object s i n th e area . Th e result s o f th e EM investigatio n detecte dn o burie d metal objects . Therefore , i t wa s conclude dthat

al l four o f th e UST s ha dbee n remove dan dtha t n o environmenta l impact s wer e associate dwit h th e forme r

USTs . Remedia l Investigation/Feasibilit y Stud y Result s (RI/FS ) I n 1994 , th e MDN Ran dWMM I entere dint o a n Administrativ e Orde r

b y Consent

for Respons e Activitie s fo

r WMM I t o undertak e aRI/F S a t th e Site . WMM I performe daR I an d baselin e ris k

assessment , includin g a

n ecologica l assessmen t

a t th e Sit e fro m1994-199 6 an d additiona l samplin g wa s conducte dbetwee n 199 8 an d2007 . Th e MDE Q approve dth e Hollan d Lagoon s Sit e Fina l Feasibilit y Stud y an dRemedia l Actio n Pla n Closur e Repor t o n Octobe r

13 , 2008 . Groundwater : Groundwate r wa s sample da s par t

o f th e Phas e I , II , III , I

V an dV Investigations . Th e result s o f th e groundwate r

sample s collecte dup-gradien t o f th e Sit e wer e use dt o develo p inorgani c parameter s backgroun dan danthropogeni c backgroun dconcentration s for th e area . Backgroun dconcentration s are concentration s o f chemical s commo n t o groundwater

tha t hav e no t bee n impacte db y anthropogeni c effects . Anthropogeni c backgroun d level s ar e determine db y analyzin g groundwate r tha t ha s bee n impacte db y a

n up-gradien t

sourc e suc h a s th e SWOCL F Site . Anthropogeni c backgroun dconcentration s wer e determine dfro m severa l well s locate ddown-gradien t of th e SWOCL F Sit e bu t

up-gradien t

o f an y know n disposa l area s o n th e Hollan dLagoon s Site . Benzen e wa s th e onl y organi c contaminan t detecte di n th e on-sit e monitorin g well s above th e Maximu mContaminan t Level s (MCL ) establishe dunde r th e Saf e Drinkin g Wate r

Ac t (SDWA ) an dPar

t 20 1 Residentia l Cleanu p Criteria . Benzen e detection s exceede dth e MC L o f 5 microgram s pe r

lite r (|ag/l ) an dPar

t 20 1 Residentia l Cleanu p Criteri ao f 5 |ig/l . Al l o f

thes e detection s wer e foun din well s locate dsouthwes t of th e Sit e a

t concentration s rangin g fro m1 4 fjg/ l t o 2 8 |ig/ l an dn o on-sit e sourc e wa s detected . Benzen e i s acontaminan t bein g monitore da

t th e SWOCL F Site . At

th e SWOCL F Site , benzen e ha dbee n detecte da t level s a s hig h a s 14 9 |ag/ l i n purg e well s an d30 5 fig/ 1 in monitorin g wells ; therefore , th e MDE Q conclude dthat th e sourc e of th e benzen e i s th e SWOCL F Site .Inorgani c contaminant s foun di n well s on-sit e include : aluminum , arsenic , antimony ,

beryllium , cadmium , lead , manganese , zinc , an dvanadium . Aluminum , antimony , lead , manganese , an dzin c wer e foun din backgroun do r anthropogeni c backgroun dwells . Arseni c di d no t excee dth e MC L o r

Par t 20 1 Residentia l Cleanu p Criteria . Subsequen t samplin g result s indicate dtha t

aluminum , antimony , beryllium , cadmium , lead , manganese , zinc , an dvanadiu m di dno t excee dMCLs , Part

20 1 Residentia l Cleanu p Criteria , background , and/o r anthropogeni c background . I n Marc h 2005 , th e MDE Q an dOttaw aCount y entere dint o aStipulatio n for th e SWOCL F Site , unde r

whic h Ottaw aCounty i s require dt o perfor mth e followin g remedia l action s a t th e SWOCL F Site : constmc t ane w landfil l cap ; instal l an doperat e ane w extractio n wel l syste maroun dth e landfill ; preven t th e discharg e t o Lake Michiga n o f groundwate r containin g hazardou s substance s exceedin g Groundwate r t o Surfac e Wate r

Interfac e Criteria ; implemen t

reliabl e lan dan dresourc e us e restriction s (institutiona l controls ) t o restric t constmctio n an dus e of

well s withi n th e groundwate r plume ; properl y abando n al l existin g residentia l well s onc e resident s hav e bee n hooke dint o th e municipa l wate r supply ; an doperat e th e the n curren t

down-gradien t

extractio n syste munti l i t wa s demonstrate dthat

requirement s hav e bee n achieved . Th e responsibility fo r th e remainin g well s o n th e Hollan dLagoon s Sit e ha s bee n transferre dt o Ottaw aCounty t o us e i n monitorin g th e SWOCL F plume . Th e Stipulatio n als o require s that

a n area-wid e lan dan dresourc e us e restrictio n b e implemented , whic h include s th e Hollan dLagoon s Site . Currently , Ottaw aCounty ha s constructe dth e ne w landfil l cap an dcomplete dth e hoo k u p o f residents t o th e municipa l wate r supply . In 2009 , Ottaw aCounty implemente da n area wid e groundwate r

us e restrictio n whic h prohibit s huma n consumptio n o f groundwater , limit s wel l installation/use , an doutline s procedure s for wel l abandonments . Al l hoo k up s an d abandonment s wer e complete di n 2009 . Ottaw aCount y continue s t o operat e th e down-gradien t extractio n system . In 2009 , Ottaw aCount y installe dan dbega n operatio n o f ane w extractio n wel l syste malon g th e wes t an dsout h boundar y o f

th e SWOCL F Site . Forme r Facility Offic e an dMaintenanc e Garag e Building : I n 2007 , WMM I conducte d soi l an dgroundwate r

samplin g belo w th e forme r facility offic e an dmaintenanc e garag e buildin g a s note da s arecommendatio n in th e 200 6 Five-Year Revie w Report . Th e soi l an dgroundwate r samplin g result s di dno t

revea l an y chemical s o f

concern s abov e th e MCL s o r Par t 20 1 criterion . RO D Finding s WMM I produce daFeasibility Stud y an dRemedia l Actio n Pla n Closur e Report for th e Sit e i n January 199 8 whic h MDE Q di dno t approve . A Declaratio n of Restrictiv e Covenan t

wa s file dwit h Ottaw aCount y o n Augus t 18 , 1997 . A Fina l Feasibility Stud y an dRemedia l Actio n Pla n Closur e Report , whic h calle dfor N o Furthe r

Actio n t o b e implemente da t th e Sit e wa s approve db y MDE Q o n Octobe r 13 , 2008 . O n May 19 , 2011 , th e MDE Q approve dWMMI' s reques t t o rescin dth e 199 7 restrictiv e covenan t becaus e Ottaw aCounty ha s implemente da n area-wid e groundwater

restrictio n a s part

o f th e SWOCL F cleanu p program . Th e Notic e o f Recisio n o f

Lan dand/o r

Resource s Us e Restriction s wa s file dan drecorde db y th e Ottaw a Count y Registe r

o f Deed s o n Jun e 2 , 2011 . Th e Ottaw aCount y Contaminate dGroundwate r Us e Ordinanc e (Marc h 2009 ) meet s th e requirement s o f a"reliabl e us e restriction " unde r stat e cleanu p mle s (Part

201) .Th e EP A signe dth e RO D o n Augus t 17 , 2011 . Th e EP A ha s determine dtha t n o further remedia l actio n i s necessary fo r th e Hollan dLagoon s Site . Previou s response s a t th e Sit e eliminate dth e nee dfo

r afurther remedia l action . Contaminate dsoi l fro mon-sit e disposa l pit s wa s excavate dan ddispose do f off-site . Th e excavate darea s wer e fille dwith clean soi l meetin g residentia l cleanu p levels . Th e Sit e operation s di dno t contaminat e th e groundwater . Th e groundwater

on-sit e i s contaminate db y a n up-gradien t

plum e migratin g fro mth e SWOCL F Site , whic h impact s th e groundwate r down-gradien t

of th e SWOCL F Site , includin g th e Hollan d Lagoon s Site . Ottaw aCounty i s conductin g acleanu p o f th e SWOCL F an dha s implemente dan area-wid e groundwate r

us e restrictio n t o preven t groundwate r

use . Fina l Inspectio n Activitie s Th e EP A remedia l projec t manage r (RPM ) an dMichiga n projec t manage r conducte da pre-fina l inspectio n o n Ma y 31 , 200 1 an dEP A develope dapunc h lis t of mino r task s t o b e complete db y WMMI . WMM I complete dth e punc h lis t o n Jul y 31 , 2001 . i n . MONITORIN G RESULT S Th e N o Furthe r

Actio n Fina l Feasibility Stud y an dRemedia l Actio n Pla n Closur e Repor t an dRO D d o no t

requir e an y monitoring . A s discusse dpreviously , action s take n b y th e WMMI , includin g undergroun dstorag e tank , municipa l wast e remova l an dsoi l excavatio n hav e addresse dsoi l contamination . Thi s i s evidence db y th e fac t tha t al l subsequen t

soi l sample s take n o n Sit e showe dlevel s o f metal a t o r belo w residentia l criteri ao r backgroun dvalue s for

th e Stat e o f Michigan . Th e groundwate r underneath th e Sit e i s monitore da s par t of th e SWOCL F groundwate r

monitorin g progra man dcontaminatio n i n th e groundwate r plume s i s no t

relate dt o contaminatio n an dsource s a t Hollan dLagoon s Site . IV . ATTAINMEN T O F GROUNDWATE RRESTORATIO N CLEANU P LEVELS . A s state dabove , th e groundwate r underneath th e Sit e i s monitore da s par t o f th e SWOCL F groundwate r

monitorin g progra man dcontaminatio n i n th e groundwate r plume s i s not relate dt o contaminatio n an dsources , a t Hollan dLagoon s Site . V . SUMMAR Y O F OPERATIO N AN D MAINTENANC E Ther e wil l b e n o activ e remediatio n a t th e Site ; therefore , n o operatio n an dmaintenanc e (O&M ) i s necessary . Ottaw aCounty wil l monito r th e area-wid e groundwate r us e ordinance . VI . DEMONSTRATIO N O F QUALIT Y ASSURANCE/QUALIT Y CONTRO L (QA/QC ) Th e MDEQ , in consultatio n wit h th e EPA , conducte doversigh t of th e potentiall y responsibl e party R I an dpreliminary respons e activitie s a t th e Site . Al l fiel dactivitie s wer e reviewe dan dapprove db y th e MDE Q t o ensur e consistenc y with th e R I wor k plan an dfederal an dstat e requirements . Detail s of th e analytica l procedure s use dt o ensur e th e qualit y o f th e wor k ar e containe din th e approve dQuality Assuranc e Projec t Pla n (QAPP ) fo

r th e R I studies . Th e Qualit y Assurance/Qualit y Contro l (QA/QC ) progra mha s bee n sufficient t o allo w th eMDE Q an dEP A t o determin e tha t al l analytica l result s wer e accurat e t o th e degre e neede dt o assur e satisfactory completio n o f th e RI an dinteri mrespons e actions . VII . FIVE-YEA RREVIE W Th e EP A conducte daFive-Year Revie w (FYR ) a

t th e Site , whic h i

t complete do n Septembe r

26 , 2006 , pursuan t

t o CERCL A Sectio n 121(c ) an da s provide di n th e curren t guidanc e o n Five-Year

Reviews : OSWE RDirectiv e 9355.7-03B-P , Comprehensiv e Five-Year Revie w Guidance , Jun e 2001 . EP A ha s determine dtha t n o further

remedia l actio n i s necessary for th e Hollan dLagoon s Site . Previou s response s a t th e Sit e eliminate dth e nee dfo r afurther remedia l action . Contaminate dsoi l fromon-sit e disposa l pit s wa s excavate dan ddispose dof off

site . N o further

five-yea r review s are require dbecaus e th e remed y allow s for unlimite dus e an d unrestricte dexposur e use . Th e firs t FY Ridentifie dfiv e issue s tha t neede dt o b e addresse dan dal l o f th e issue s hav e no w bee n addresse da s describe dbelow : 1 . WMM I wa s no t

in complianc e wit

h th e Administrativ e Orde r o f Consen t (AOC ) requirin g th e completio n of aPar t 20 1 approve dRemedia l Actio n Pla n (RAP) . WMM I ha dno t complete daMDE Q approve dRA P whic h meet s al l th e requirement s of Par t 201 , Environmenta l Remediation , o f th e Natura l Resource s an dEnvironmenta l Protectio n Act , 199 4 P A 451 , a s amende d(Part 201) . Th e MDE Q approve dth e Fina l Feasibilit y Stud y an dRemedia l Actio n Pla n Closur e Report

o n Octobe r

13 , 2008 , whic h wa s submitte db y WMMI . 2 . WMM I mus t

provid e informatio n t o prov e th e si x on-sit e sourc e areas , du e t o th e completio n o f

pas t remediatio n activities , ar e n o longe r contributin g contaminant s t o th e groundwater

plum e migratin g unde r

th e Sit e an dthat

al l o f th e contaminant s foun din th e groundwater

plum e originat e fromth e adjacen t an dup-gradien t

SWOCL F Nationa l Prioritie s Lis t

Site . Th e Final Feasibility Stud y an dRemedia l Actio n Pla n Closur e Report include d dat at o confir

mtha t th e pas t remediatio n activitie s wer e complete da t th e si x on sit e area s an dtha

t n o on-sit e source s wer e contributin g to th e groundwate r plum e migratin g fromth e SWOCL F Site . 3 . Assur e effectiv e interi minstitutiona l control s (ICs ) ar e in plac e pendin g th e fina l RAP . Th e N o Furthe r

Actio n RO D doe s not

requir e an y ICs . Th e 199 7 restrictiv e covenan t i s no t necessary an dha s bee n rescinded . Th e Declaratio n o f Restrictiv e Covenan t wa s file dwit

h Ottaw aCount y o n Augus t 18 , 1997 , prio r

t o th e determinatio n that

th e plum e wa s emanatin g fro mth e SWOCL F Site . Th e Notic e of Recisio n o f

Lan dand/o r

Resource s Us e Restriction s wa s file dan drecorde d b y th e Ottaw aCounty Registe r o f Deed s o n Jun e 2 , 2011 . However , Ottaw aCounty i s conductin g acleanu p o f th e SWOCL F an dha s implemente da n area-wid e groundwate r

us e restrictio n to preven t groundwate r

use .4 . Fo r th e remed y t o b e protectiv e i n th e long-term , effectiv e IC s ma y b e implemente dan d maintaine da s par

t of th e fina l RAP . Th e N o Furthe r

Actio n RO D doe s no t

requir e an y ICs . Th e remed y i s protectiv e an dallow s fo

r unlimite dus e an dunrestricte dexposur e use . 5 . A contaminatio n sourc e are amay exis t beneat h th e forme r

offic e building . I n 2007 , WMM I conducte dsoi l an dgroundwate r samplin g belo w th e forme r facilit y offic e an dmaintenanc e garag e building . Th e soi l an dgroundwate r samplin g result s di dno t

reveal an y chemical s of

concern s abov e th e MCL s or Par t 20 1 criterion . VIII . SIT E COMPLETIO N CRITERI A Th e Sit e meet s al l th e sit e completio n requirement s a s specifie di n Clos e Ou t Procedure s fo r Nationa l Prioritie s Lis t

Site s (OSWE RDirectiv e 9320.2-22) . Al l o f th e know n contaminatio n originatin g fro mth e Sit e wa s remove ddurin g th e interi mrespons e actions , al l are aresidence s hav e acces s t o th e municipa l wate r supply , th e Sit e i s subjec t t o a n area-wid e groundwater

us e restriction , an dal l privat e well s withi n th e restricte dare ahav e bee n identifie d an dproperl y abandoned . Th e remed y i s protectiv e an dallow s for unlimite dus e an dunrestricte d exposur e use . Therefore , th e Sit e n o longe r pose s an y threat s t o huma n health an dth e environment . Th e N o Furthe r Actio n RO D doe s no t

requir e an y monitorin g o r O&M . Th e groundwate r

i s monitore da s par

t o f th e SWOCL F groundwater monitorin g program . A bibliograph y of

al l report s relevan t

t o th e completio n o f

thi s Sit e unde r

th e Superfun dprogra mi s foun di n Sectio n IX . IX . BIBLIOGRAPH Y Ottaw aCount y Environmenta l Healt h Code , January 28 , 198 3 MDN R197 9 Groundwate r Report MDN R198 1 Soi l Borin g Report MDN RSamplin g Report 198 4 MDN RSamplin g Report 198 5 MDN RSamplin g Report 198 8 Repor t o n th e Tank

Remova l Operation s a

t th e Forme r

Jacobuss e Site , Octobe r

198 5 Electromagneti c Surve y Investigation , Octobe r 199 3 Phas e I Remedia l Investigatio n Report , Decembe r 199 5 Phas e II I Groundwate r

Samplin g Report , Ma

y 6 , 199 6 Remedia l Investigatio n Report an dBas e Lin e Ris k

Assessmen t

Report , January 199 7 8Declaratio n of Restrictiv e Covenant , Augus t 199 7 Phas e IV Groun dWate r

Samplin g Results , May 7 , 199 8 Phas e V Groun dWate r

an dSoi l Analytica l Data , Januar y 27 , 200 0 Preliminar y Close-Ou t

Report , Septembe r

26 , 200 1 Fina l Feasibilit y Stud y an dRemedia l Actio n Pla n Closur e Report Feasibilit y Study , Febmar y 200 8 MDE Q Fina l Feasibility Stud y an dRemedia l Actio n Pla n Closur e Report Approva l Letter , Octobe r 13 , 200 8 Contaminate dGroundwate r Us e Ordinanc e 09- 1 o f

Ottaw aCounty , Marc h 1 , 200 9 Notic e o f Recisio n of

Lan dand/o r

Resource s Us e Restriction s wa s file dan drecorde db y th e Ottaw aCounty Registe r

o f Deeds , Jun e 2 , 2011 . Recor do f Decision , Augus t

17 , 201 1


# I2.jij i ^ )/j ^ Ih2f'f l Richar dC . Karl , Directo r Dat e Superfun dDivisio n