SUPERFUN D FINA L CLOSE-OU T REPOR T

NE WHANOVE RCOUNT Y AIRPOR T BUR N PI T WILMINGTON , NORT H CAROLIN A NCD98102115 7 I

. INTRODUCTIO N Thi s Fina l Close-Ou t

Repor t (FCOR ) document s tha t th e U.S

. Environmenta l Protectio n Agenc y (EPA) , th e Stat e o f Nort h Carolin aan dth e Potentia l Responsibl e Partie s (PRPs ) hav e complete dal l respons e action s at th e Ne w Hanove r

Count y Airpor t

Bur n Pi t Superfun dSit e (th e "Site" ) i n accordanc e wit h th e Septembe r 199 2 Recor do f

Decisio n (ROD) , th e Apri l 200 0 RO D Amendmen t an dwit h Close-Ou t

Procedure s fo r

Nationa l Prioritie s Lis t

Site s (OSWE RDirectiv e 9320.2-22)

. A fina l inspectio n ofth e groundwate r remedia l actio n wa s conducte do n Jul y 14 , 2011

. II

. SUMMAR Y O FSIT E CONDITION S Backgroun d Th e Ne w Hanove r

Count y Airpor t

Bur n Pi t

wa s constructe db y th e Count y o f Ne w Hanove r i n 1968

. Fro m196 8 t o 1979 , th e Cap e Fea r Technica l Institut e (no w know n a s th e Cap e Fea r

Communit y College) , use dth e bur n pi t fo r fire-trainin g purposes , burnin g je t fuel an dgasolin e i n th e bur n pit , an dextinguishin g th e fire s wit h water
. Th e Wilmingto n Fir e Departmen t use dth e bur n pi t

fo r fire-trainin g purpose s fro m196 8 t o 197 6 an dth e Unite dState s Ai r Forc e use dth e bur n pi t fo r tire-trainin g purpose s durin g th e Vietna mWar

. Je t fue l an ddrainag e fro mpetroleu mfuel storag e tank s i n th e are awer e burned , an dth e fire s wer e extinguishe dwit h water , carbo n dio.xide , an ddr y chemicals

. Som e tim e prio r t o 1982

. material s use di n rive r spil l cleanup s wer e dumpe dint o th e bur n pit

. h i 1986 , th e Nort h Carolin aDivisio n o f Healt h Service s discovere dheav y metal s an d numerou s organic s i n th e soi l aroun dth e bur n pi t an di n othe r

nearb y soi l samples

. Surfac e wate r

withi n thre e (3 ) mile s downstrea mofth e Sit e i s use dfo r recreationa l activities , an da n estuar y wetlan di s locate dapproximatel y on e (1 ) mil e fro mth e Site

. Approximatel y 6,30 0 peopl e obtai n drinkin g wate r fro mpubli c an dprivat e well s withi n thre e (3 ) mile s ofth e Site

. A privat e wel l i s locate dappro.ximatel y 1,50 0 fee t t o th e northwes t

o f th e Site

. T o date , th e USEP A ha s identifie dsi. x (6 ) potentiall y responsibl e partie s (PRPs ) a t th e Site : th e Count y o f

Ne w Hanover , Nort h Carolina ; th e Cit y o f Wilmington , Nort h Carolina ; th e Cap e Fea r Communit y College ; th e Unite dState s Ai r Force ; Axe l Johnso n Inc

. an dSpragu e Energ y Corporation

. Th e Sit e wa s liste do n th e Nationa l Prioritie s Lis t o n Marc h 31 , 1989

. EP A negotiate d wit h th e Cit y o f

Wilmington , Ne w Hanove r Count y an dCap e Fea r Communit y

1083078 6

### Colleg e i n Marc h 1989 , fo

r performanc e ofth e remedial investigation/feasibility study (RI/FS) , but

th e partie s were unabl e t o reac h a n agreement
. I

n Ma y 1990 , however , th e partie s signe da

n Administrativ e Orde r

o n Consen t

(AOC ) fo

r aremoval action

. Durin g th e removal , th e PRP s remove dall ofth e sourc e material presen t a t th e Site a t acos t o f $452,500.00

. Th e USEP A conducte dafund-leadRl/F S i n 199 1 an d1992 , andissue daRO D fo r th e Site on Septembe r

29 , 1992

. Currently , th e sit e i s bein g cleane du p under a n Unilateral Administrativ e Orde r

(UAO ) wit

h th e Cit y o f Wilmington , Ne w Hanover Count y andth e Cap e Fea r Community College

. Th e UA O wa s signe don Februar y 28 , 1994 , fo

r th e Remedial Design/Remedial Actio n (RD/RA ) a t th e site

. Th e tlire e municipalitie s entere d into aConsen t

Decre e fo

r payment o f pas t respons e cos t

o n Apri l 1 5 , 1995

. Additionally , Axe l Johnson , th e U. S Air Forc e an dSpragu e Energ y agree dwit h thes e partie s to ai di

n clean-u p activities

. Th e 199 2 RO D contemplate dpump-and-treat ofth e groundw'-ate

r to addres s lo w level s o f benzene , ethy l benzene , lead , an dcliromiu ma t a n estimate dpresen t

wort h cos t o f $1.9 3 million

. A s par

t ofth e remedy , th e RO D include datechnical impracticability provisio n andprovide dfo

r a n additiona l yea

r o f groundwate r

samplin g fo

r EPA to determin e whethe r o r no t natural attenuatio n wa s occurrin g i n th e groundwater

. Afte

r six (6 ) round s o f samplin g conducte db

y EPA' s Scienc e an dEcosyste mSuppor t Division , ther e wa s no evidenc e tha

t natural attenuatio n wa s occurrin g wit h an y ofth e contaminant s present i n th e groundwater

. Th e selecte dremedy i s furthe r describe dbelow : Descriptio n ofth e Origina l Selecte dRemed y Th e groundwate r

remediatio n alternativ e originall y selecte dfo r th e Ne w Hanove r

Site i s Alternativ e GW# 3 - Groundwate r Extractio n an dPhysical Treatmen t (Ai r Stripping ) wit

h Discharg e to Publicl y Owne dTreatmen t Waterwork s (POTW)

. Th e selecte dRO D remedy wa s pum

p andtrea t andchose n becaus e i

t wa s th e mos t

effectiv e remedy tha

t coul dtreat

all contaminant s o f

concer n (COC ) a

t th e Site includin g metals

. I n th e Septembe r

199 2 ROD , th e COC s were to includ e Benzene , Chloroform , 1 , 2,

- Dichloroethane , Ethylbenzene , Chromiu mandLead

. Th e selecte dpum p an dtreat

remedy wa s estimate da

t apresen t wort h cos t o f 1.93 million

. Th e contaminate daquifer woul dhav e bee n remediate dunti l th e performanc e standard s were achieved

. Followin g treatmen t ofth e extracte dgroundwater , th e groundwate r woul d hav e bee n discharge db

y th e Cit y o f Wilmington

. A sewer

lin e exist s alon g th e perimete r road s to th e Ne w Hanover Count y Airport

. Thre e (3 ) extractio n wells , eac h pumpin g a t arate o f five (5 ) gallon s per

minut e woul d hav e been necessary to achiev e an dmaintai n asufficient drawdow n i

n th e underlyin g aquifer to contai n an dremov e th e plum e o f contamination

. Th e extractio n well s woul d hav e bee n locate dwithi n an dnea r th e periphery ofth e plume

. Th e extracte dgroundwate r woul dhav e been treate di n a n above-ground , on-sit e air stripper

. A

n optional pretreatmen t

step wa s planne dto remov e th e total suspende dsolid s (TSS ) an diro n to prevent foulin g ofth e air

stripper

. Th e necessity o f apretreatmen t

ste p a s wel l a s th e

### number , placement , andpumpin g rate ofth e extractio n well s wa s to b e determine di n th e RD

. Th e ai r

strippe r wa s to b e designe dto achiev e ales s tha n 1 part s per

billio n level o f benzen e i n th e effluent , whic h wa s apretreatmen t requiremen t

specifie db

y th e POTW

. Th e original selecte dremedy di dno t addres s th e sourc e are aa t th e Site

. N o further

actio n wa s require dfo

r Site soils

. I

n Novembe r

1990 , th e PRP s performe dremoval action s on th e wast e material s an dcontaminate dsurfac e andsubsurfac e soils

. A total o f 3,20 0 ton s o f contaminate dsoi l were remove dfro mth e Site

. Remedia l Plannin g Activitie s Betwee n Marc h 199 1 an dJanuary 2011 , site investigatio n activitie s were conducted

. Th e analytical dat afro

msoil sample s collecte da t th e completio n ofth e removal actio n were utilize di n th e Rl

. Th e R

I wa s finalize don January 28 , 1992

. A Baselin e Ris k Assessmen t wa s conducte dto defin e th e ris k pose dby th e hazardou s wast e describe di n th e Rl

. Durin g th e Rl , contaminant s tha t were detecte di

n th e groundwate r

include dVolatil e Organi c Compound s (VOCs) , semi-volatil e organi c contaminant s (SVOCs) , an dmetals

. Benzen e wa s th e onl y contaminan t consistentl y detecte dabov e th e Federal Maximu m Contaminan t

Level s (MCLs)

. A s previousl y stated

. Benzene , chloroform , 1,2

- dichloroethane , andethylbenzen e were detecte dabov e State groundwate r quality standards

. Th e total volum e o f groundwate r

impacte db

y th e Site i s estimate dto b e 9. 7 millio n gallons

.

e " 

### A Feasibility Study (FS ) conducte dby CD M andfinalizedon Ma y 18 , 199 2 addresse d alternative s fo

r groundwate r

remediation

. Th e USEP A decisio n o n th e remedial actio n l o b e implemente dwa s provide di n th e RO D whic h wa s execute don Septembe r 29 , 1992

. Th e USEP A signe da

n UA O fo r Remedial Design/Remedia l Actio n (RD/RA ) fo r th e Site on February 28 , 1994

. A Preliminary Remedial Desig n repor t representin g 30 % desig n wa s submitte dt o th e USEPA on Decembe r

15 , 1994

. Th e USEP A approve dth e 30 % submittal on Februar y 1995

. I n accordanc e wit

h th e UAO , th e PRP s submitte dth e Intermediat e Desig n Repor t t o th e USEP A o

n Jun e 1 , 1995

. Th e Intermediat e Desig n Repor t di dno t provid e adesig n fo r th e preferre dremedy

. Instead , th e PRP s submitte dth e intermediat e desig n whic h propose dchangin g th e remedy t o a n air spargin g base dsystem
. Thi s typ e o f syste mwa s no t a n alternativ e previousl y considered ; however , it s cos t coul db e significantl y les s tha n •th e pum p andtrea t cos t whil e effectivel y achievin g th e remedatio n goals

. Th e 199 2 RO D include dmetal s contaminatio n suc h a s chromiu man dlead , a s COCs

. Afterwards , lo w flo w (lo w turbidity ) samplin g o f selec t monitorin g well s wa s conducte d resultin g i n no detectio n o f

metals

. Previousl y identifie dmetal s wer e associate dwit

h preservativ e leachin g o f

trac e metal s fro

mhig h concentration s o f solid s fro mpreviou s sampling

. Sinc e metal s were determine dto no longer b e COCs , th e PRP s requeste d permissio n to conduc t

astudy to evaluat e curren t groundwate r

remediatio n technologie s andthei r potential applicability to th e Bur n Pit Site

.

### Th e remedial teclinolog y considere dbes t fo r treatin g th e Site relate dVOC s wa s Pulse d Air Spargin g (PAS)

. I

n orde r to verif y it s effectivenes s a

t th e Bur n Pit Site , a n Air Spargin g Treatability Study wa s conducte di n 199 8 an dth e result s were documente di n th e Ai r Spargin g Pilo t

Tes t Treatability Study Repor t date dDecembe r

16 , 1998

. Th e Ai r Spargin g Treatability Study result s showe dai r spargin g t

o b e ver y effectiv e a

t treatin g th e VOC s presen t

in th e groundwate r

a t th e Site

. I

n Jun e 1998 , aFeasibility Study Amendmen t

(FSA ) wa s the n conducte dt o documen t th e compariso n o f

alternative s i

n th e original RO D wit

h th e propose dair

spargin g remedy

. A Propose dPla n date dNovembe r 1999 , describe dafundamental chang e t o th e groundwate r

restoratio n approac h presente d i n th e 199 2 ROD

. Th e USEPA conducte dapubli c meetin g o n Novembe r

30 , 1999

. A commen t

perio do f sixt y day s wa s provide dt o receiv e wTitte n or ora l comment s fro

mth e publi c from Novembe r

16 , 199 9 to January 15 , 2000

. Ther e were n o major comment s receive ddurin g th e publi c commen t

period

. Sinc e metal s contaminatio n wa s n o longer o f concern , ai r spargin g technolog y wa s the n considere dth e preferre di-emedy

. Base don th e Site RI/FS

. treatability study , andth e amende dROD , th e PRP' s contracto r stibmitte dafinal R

D documen t

to implemen t

th e ne w selecte dremedy

. Sinc e th e R I wa s no t abl e t o completel y delineat e th e exten t ofth e groundwate r

contamination , especiall y th e vertical extent , additiona l monitorin g well s were installe ddurin g th e RD

. Durin g th e 199 1 an d199 2 RI/FS , i

t wa s determine dthat

th e vertical exten t

o f contaminatio n wa s limite db y ahighl y impermeabl e cla y layer foun droughl y 2 5 fee

t belo w groun dlevel (BGL)

. Durin g th e initial R D efforts , th e PRP' s contracto r installe dtw o telescopin g monitorin g well s to furthe r defin e th e vertical exten t o f impact s to groundwater

. A surfac e casin g wa s installe dinto th e clay t o preven t water fro mth e surficial aquifer

fro m seepin g into th e underlyin g aquifer

. A n inner wal l wa s then installe dthroug h th e casin g belo w th e clay layer

andsampled

. Sampl e result s confirme dtha t no contaminant s were detecte dbelo w th e clay confinin g unit

. Durin g RD efforts , additiona l samplin g wa s conducte dby th e PRP' s contracto r t o further defin e th e exten t

o f dissolve dcontaminan t

groundwate r

plume

. Ninetee n (19 ) direc t pus h technolog y (DPT ) or

rotar y drille dboring s were installe do n Site

. Temporary wel l screen s were installe dto adept h o f 1 5 to 2 0 fee

t BG L andgroundwate r

gra b sample s collected

. Thes e wel l screen s were lef t i n plac e fo r aperio do f

time to assis t

wit h groundwate r

flow directio n measurements
. Additionally , monitorin g well s were installe d outsid e th e perimete r

ofth e groundwate r

plum e to confir

mth e dept

h ofth e blu e cla

y layer surroundin g th e Site andto confir mth e absenc e o f

contaminant s a

t thes e locations

. Th e dat agenerate dfro

mthes e sample s provide dsufficient informatio n to delineat e th e lateral an dvertical exten t

o f contaminatio n a

t th e Site

. Communit y Relation s Activitie s On Jul y 9 , 2002 , th e USEPA hel dapubli c availability sessio n a t th e Ne w Hanover Count y Airport t o allo w publi c revie w an dcommen t on th e remedial design

. Again , there wer e n o major

concern s regardin g th e RD

. Therefore , constructio n activitie s bega n on .lul y 15

. 2002

.

### Remedia l Constructio n Activitie s

Th e treatmen t

syste mconsiste do f

1 6 puls e zones ; eac h consiste do f 5 well s fo

r atotal o f 8 0 sparg e wells

. Performanc e verificatio n an dcomplianc e monitorin g well s wer e installe di n accordanc e wit

h th e Fina l Remedial Desig n Repor t date dApri l 2002

. Variou s air sparg e well s were installe dto test.installatio n method s b y verifyin g th e integrity ofth e constructe dsea

l (bentonite) , under

normal operatin g pressures . Upo n installation , all air sparg e well s were develope dprio r t o testing

. Initial testin g o f sparg e wel l sea

l integrity wa s performe don seve n sparg e well s usin g atraile r mounte dcompressor . Tw o Sullai r compressor s alternatel y produce dth e air puls e i n successio n throughou t

th e 8 0 well systems
. Th e rate o f

air injecte dcontinuousl y increase dan dwa s eventuall y terminate d whe n asteady stat e conditio n wa s reached

. Vapor s naturall y vente dinto th e atmosphere

. Each puls e o f

air wa s injecte da

t apressur e o f

1 5 psi g andcontinue dfo r 9 0 minutes

. Th e recharg e tim e betwee n eac h puls e o f force dai r

wa s 23. 5 hours

. A comprehensiv e monitorin g programwa s implemente dto verif y tha t th e treatmen t

syste mreduce dth e HI

. MONITORIN G RESULT S Th e syste mwa s starte di

n Jun e 200 3 andwa s turne dof f on January 22 , 2010

. Laboratory analyse s ofth e groundwate r sample s collecte dfro

msite groundwate r

monitorin g an d performanc e verificatio n well s locate di n Tabl e 4 reveale dno EPA Metho d60 2 paramete r concentration s i

n exces s o f

applicabl e 2L GWQ S excep t 1.2 4 ug/ L Benzen e i

n th e MWD-00 2 groundwate r sample

. Th e subsequen t

resamplin g o f

monitorin g wel l MWD-00 2 ove r

four (4 ) consecutiv e quarterl y samplin g event s fromJanuary 201 0 to January 201 1 di dno t

reveal any compoun dconcentration s i n exces s o f

applicabl e 2L GWQS

. I t shoul db e note dtha

t MWD-00 2 result s fro

mth e las t 1 0 groundwate r

samplin g event s were i

n complianc e wit

h th e EP A Groundwate r

Standardo f

5 ug/ L for Benzene

. IV

. ATTAINMEN T O FGROUNDWATE RRESTORATIO N CLEANU P LEVEL S I n Apri l 2000 , USEP A issue da n Amende dRecordo f

Decision , i

n whic h th e Agenc y selecte dpulse dair

spargin g a s th e ne w remed y fo r groundwater

. Pulse dai r

spargin g consist s o f

air bein g injecte d(a s apulse ) into th e aquifer throug h astrategicall y locate d networ k o f vertical wells

. Th e injecte dair travel s throug h th e groundwate r thereb y volatilizin g andenliancin g biological degradatio n ofth e contaminant s dissolve di n th e groundwater

. Th e groundwate r clean-u p level s fo

r th e ne w selecte dremedy wer e achieve dandare liste dbelow : Groundwate r

clean-u p standalrd s Chemical s o f

Concer n Performanc e Goal s GROUNDWATE R Benzen e Chlorofor m 1. 2 Dichloroethan e Ethylbenzen e 1 ug/ L 0.1 9 ug/ L 0.3 8 ug/ L 2 9 ug/ L

### V

. SUMMAR Y O FOPERATIO N AN D MAINTENANC E REQUIRE D

ACTIVITIE S N o operatio n an dmaintenanc e activitie s are require dfor thi s site

. VI

. DEMONSTRATIO N O FQUALIT Y ASSURANCE/QUALIT Y CONTRO L (QA/QC ) FRO M CLEAN-U P ACTIVITIE S Th e remedia l desig n an dth e remedial actio n wer e carefull y reviewe db y EPA an dth e Stat e fo r complianc e wit

h al l requirement s ofth e 199 2 ROD

. RO D Amendmen t an dwith al l applicabl e QA/Q C procedure s an dprotocol

. Th e QA/Q C progra mutilize dthroughou t th e remedia l actio n was sufficient an denable dEPA an dth e Stat e t o determin e tha t th e testin g result s reporte dare accurat e t o th e degre e neede dt o assur e satisfactory executio n ofth e R A consisten t

wit h th e RO D an dRO D amendment

. VII

. FIVE-YEA RREVIE W Th e 200 8 Five-Year

Revie w conclude dthat

th e remed y wa s functionin g i n accordanc e with th e 200 0 RO D AmendiTient

. Th e remedy was protectiv e o f human health an dth e environmen t

becaus e al l contaminate dsoil s wer e remove ddurin g th e 199 0 removal ; th e PA S syste muse dt o treat

contaminate dgroun dwate r wa s functionin g appropriately

. Sinc e n o hazardou s substance s are presen t on-sit e abov e level s allowin g fo r unlimite dus e an dunrestricte dexposure , statutory five yea r review s wil l no t

b e conducte db y EPA every five years , pursuan t t o CERCL A Sectio n 12 1 (c ) an da s provide di n OSWE R Directiv e 9355.7-03B-P , Comprehensiv e Five-Year Revie w Guidanc e (EPA , 2001)

. VIII

. SIT E COMPLETIO N CRITERI A



# A Th e sit e meet s al l requirement s a s specifie di n EPA' s Closeou t Procedure s guidanc e (EPA

. 2011)

. Specifically

. EPA i n consultatio n with th e North Carolin aDepartmen t o f Environmen t

Divisio n ha s determine dthat th e respons e a

t th e site i s complet e an dn o further superfun drespons e i s neede dt o protec t huma n healt

h an denvironment

.

rankli n E

. HTII

, Din Superfun dDivisio n Dat e 

# m// /IX

. BIBLIOGRAPH Y

Superfun dPreliminar y Sit e Closeou t Report , Ne w Hanove r

Count y Airpor t

Bur n Pi t

Site , Wilmington , Nort h Carolina , Ma y 2011

. U. S EP A Five-Yea r

Revie w Report , Ne w Hanove r Count y Airpor t

Bur n Pi t Site , Wilmington , Nort h Carolina , U. S EP A Recor do f

Decisio n (ROD) , Ne w Hanove r Count y Airpor t

Bur n Pi t

Site , Wilmington , Nort h Carolina , Septembe r 199 2 Remedia l Investigatio n Report , Ne w Hanove r Count y Airpor t

Bur n Pi t Site , Wilmington

. Nort h Carolina , Januar y 28 , 199 2 Feasibilit y Stud y Report , Ne w Hanove r Count y Airpor t

Bur n Pi t Site , Wilmington

. Nort h Carolina , Ma y 18 , 199 2 U. S EP A RO D Amendment , Ne w Hanove r Count y Airpor t

Bur n Pi t Site , Wilmington , Nort h Carolina , Apri l 200 0 Administrativ e Orde r

o f Consent , Ne w Hanove r Count y Airpor t

Bur n Pi t

Site , Wilmington , Nort h Carolina , Februar y 28 , 199 4 Fina l (60% ) Desig n submittal

. Ne w Hanove r Count y Airpor t

Bur n Pi t

Site , Wilmington

. Nort h Carolina , Jun e 1 , 199 5 Remedia l Actio n Report , Ne w Hanove r Count y Airpor t

Bur n Pi t Site

. Wilmington , Nort h Carolina , Augus t

200 3 Ai r Spargin g Pilo t

Tes t Treatabilit y Stud y Report , Ne w Hanove r Count y Airpor t

Bur n Pi t Site , Wilmington , Nort h Carolina , Decembe r 16 , 1998

. Catli n Engineer s an dScientists , Monitorin g Report , Jul y 16 , 201 0 Catli n Engineer s an dScientists , Monitorin g Report , Januar y 26 , 201 1TABL E 4 SUMMAR Y O F HISTORICA L GROUNDWATE R LABORATOR Y RESULT S l^.ig e I o t 7

Ne w Hanove rCount yAirpor t Bur n Pi t Superfun d Sit e 

# © Date : No v2010/Ja n 201 1



# , 3 Wel l I D Com p o f C o Sampl e I D oun d

ncer n • Dat e Collecte d 2 L GWQ S (uq/L )

MWD-00 1

MWS-00 1

MWD-00 2 MWD-00 1

MWD-00 1 MWD-Ob T MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 MWD-00 1 'MWD-OO T MWD-00 1 MWD-00 1 MWD-00 1 d/.Lz^iag j

,..—5/7yj.99.l....

. ....l\Liai.\33. \ iLinaa z I .1^^9^15.92

.

. 5Z8/199

a ......iQisnag i fi/.lU2Q.Q2. 9/5/2.Q0i i 1/7/2.Q0.4

. 'j/jy2.Q0.4

.

. iizmsQ.^....

. 5/2/2.Q05.

. .-..-U/25/.20fl5...

. 5/8/2.Q0 &

. U/J.Q/20I1 6 5/8/2.007.

.

. U/2Q/20II Z 5/15/200 8 0 ) c 

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, .<2.&54-J-.-

. .<4.oa-

. <4.0 0 No t include d i n curren t groundwate rsamplin q pla n I MWS-00 1 1 6/11/200 2 1 <0. 5 <0. 5 <0. 5 <1. 5 1 No t include d i n curren t groundwate rsamplin q pla n I MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 'MWD-60 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00 2 MWD-00" 2 J MWD-00 2 MWD-00 2 J MWD-00 2 MWD-60 2

. MWD-00 2 . 4/.izaa9 J

5/7/199. 1 .....tlZ2Q/-l9ai..

. 7/7/199 2

. .1.2^9^19.92

. 5/8/199 ^

. lQ(16aa94

.

. s/2a:ia98

.

. 5/2.5^398..

. 7/9/199^-

. . .....Z/2.3Zia98-...

.

. 7I3StL\^' L

. lll&LZQSn

.

.. . fi/UZ2aQ2.- 9/5/2.Q0i i 1/7/2.Q0.4

. 4/J/2.Q0A
-

. Z/21Z2Q.Q4

. . 5/2/2.Q0. &

. .Ui3^Q5

. 5/8/2.Q0fi

. .-.-.llZlQ/.20fl 6 5Z8/2.Q07

. .....iiZ2a'.2oa z

. 2/.l4Z2aQ8

. 5/.l5Z2flQa

.

. j.ii4Z2aQa

. 2/.l6Z2flQ9

.

. 5/.l4Z2aQ9
- Sil2LU2QS9....

. .....llZllZ20a9...

. 2/10/201 0 5/20/201 0 8/26/201 0 11/29/201 0 1/5/201 1 .11 a

a 4 lif t a s .10a Z Q

. . 124.

. .127
- 12 a 13a..

. 9 Q .4.3

. afiJ i mA.

. .4 Z a s 3 3

. . 6 8 J 2 3 J 5 <. l

... . a.lJ 3 

### n ^ Jfi. 4 4 5 J J 44a „ Ifi Z 4,fiZ-

. . 2,2 a 121 5 19 3 .<.LQ Q 0.98 2 J 0.710 J 0.72 3 1.2 4 <0.17 7 3 4

3J 1 JiZJ

. 3. 9 3 3 4flJ 2 3a. 9 42.

. 5 3 ^ 2.e,. 9

. ...1. 1 j.4. a .e.g
. . . 1 4 J l J.Q m 2 7..4. 6 <. l 5.2 5 3J. 3 2.a 5 8.2 2 a.4 2 .<.1.0f l 

### a^nj

. au46aj

. .Q.28fiii

. .<.i.oa .<.i.oa <0.1 9 <0.1 9 <0.1 9 <0.1 9 <0.1 9 .14J

.

.13J
S.Si l 2.a>i 3..4 J <.Q^ 9. 4 .4. 1 ^.5

. £3 a .2.3

. <.Q ^ <Q,5

. ~~~~<!i~~~ " <. i < i 12 a < i

. aii7. a .<.2.o a <.i.o a ..<.i.o a <i.o a <.i.o a

. . <D.ai 3 .<aai3
- .<aai3

. .— . <i.o a .<.i.oa <0.31 3 <0.31 3 <0.31 3 <0.31 3 <0.31 3 82 J

82 J <0. 5 <0. 5 <0. 5 2,.q j 3.5> a 23, 2 27. 4 ii a 20,5-

. <1, 5 J7.. a 4. 8 <7

. <Si3

. 23.6 a

. . . 3.4.4j i <- 4 -<4.6 a -<-4.oa„.

. -<-4.4a

. -<-5.2iL-

. <5.14

. <4.o a <asa 6

- -<.i.oa a -<a8m.

. <4.o a

.. . .<4.o a <0.88 6 <0.88 6 <1.38 6 <0.88 6 <0.88 6

N H C Bur n Pit ; Tabl e 4 his t 60 2 G W results.xis x CATLI N Projec t No

. 194-04 0 CATLI N Engineer s an d Scientist s Januar y201 1TABL E 4 SUMMAR Y O F HISTORICA L GROUNDWATE R LABORATOR Y RESULT S Ruj B 2 o f 7

Ne w Hanove rCount yAirpor t Bur n Pi t Superfun d Sit e Date : No v2010/Ja n 201 1

Wel l I D Com p o f C o Sampl e I D oun d

ncer n *
Dat e Collecte d 2 L GWQ S (uq/L ) MWS-00 2

PVSMW-00 2

MWS-00 3 MWS-00 2 6/11/200 2 c c 0 ) C O 1 <0. 5 0 )

c 0 ) N

> <

. c 55 0 <0. 5 < U

c 3



### . 2 1,00 0 <0. 5TotalXylenes

53 0 <1. 5 No t include d i n curren t groundwate rsamplin g pla n | PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-d62 " PVSiviW-662 " PVSMW-d0 2 1 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 PVSMW-00 2 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 MWS-00 3 6/11/200 2

9/4/200 3 1/7/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 1 i/ i 0/20b" 6 5/8/200 7 1 i/20/200 7 5/15/200 8 11/4/200 8 5/13/200 9 11/11/2000 9 5/20/201 0 11/30/201 0 4/17/199 1 5/7/199 1 11/19/199 1 7/7/199 2 12/9/199 2 6/9/199 3 10/5/199 4 1/16/200 1 6/11/200 2 9/4/200 3 1/7/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/200 8 11/4/200 8 5/13/200 9 11/11/200 9 5/21/201 0 11/30/201 0 <0. 5 < 1 < 1 < 1 < 1 .< ! .<.l....
- <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0,17 7 <0.17 7 <1,0 0 <0.17 7 <0.17 7 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 < 5 4. 4 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.17 7 <0.17 7 <1.0 0 <0.17 7 <0.17 7 <0. 5

< 1 < 1 < 1 < 1 < 1 < 1 <i.6b ' <1.0 0 <1.0 0 <1.0 0 <i.6 o <0.1 9 <0.1 9 <1.0 0 <0.1 9 <0.1 9 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 < 5 0. 5 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.1 9 <0.1 9 <i.o o <0.i 9 <0.1 9 <0. 5

< 1 < 1 < 1 < 1 0.92 1 J < 1 <i.6b ' <1.0 0 <1.0 0 <1.0 0 <i.6 o <0.31 3 <0.31 3 <i.o o <b"3i 3 <0.31 3 0.89 J <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 < 5 <0. 5 <0. 5 < 1 < 1 < 1 < 1 1.6 0 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0.31 3 <1. 5

< 4 < 4 < 4 <5.5 4 < 4 < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <0.88 6 <0.88 6 <4.0 0 <0.88 6 <0.88 6 <1. 5 0.77 J <1. 5 <1. 5 <1. 5 <1. 5 <1 0 2. 4 <1. 5 < 4 < 4 < 4 < 4 < 4 < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <0.88 6 <0.88 6 <4.0 0 <0.88 6 <0.88 6 

# 3

NH C Bur n Pit ; Tabl e 4 his t 60 2 G W results.xis x

CATLI N Projec t No

. 194-04 0 CATLI N Engineer s an d Scientist s Januar y201 1TABL E 4 SUMMAR Y O F HISTORICA L GROUNDWATE R LABORATOR Y RESULT S Piig e 3 o f 7

Ne w Hanove rCount yAirpor t Bur n Pi t Superfun d Sit e Date : No v2010/Ja n 201 1



# o Wel l I D Com p o f C o Sampl e I D loun d

ncer n * •
Dat e Collecte d 2 L GWQ S (uq/L )

MWS-00 4

MWD-00 5

MWD-00 6 MWS-00 4

MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 ^ MWS-0b 4 MWS-00 4

. MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWS-00 4 MWD-00 5 MWD-6b" 5 ^ 4/17/199 1

5/7/199 1 7/7/199 1 11/19/199 1 12/9/199 2 6/9/199 3 10/5/199 4 1/16/200 1 6/11/200 2 9/4/200 3 1/8/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/200 8 11/4/200 8 57l3/2b'd 9 1 i/ib/'2ob 9 572'i/2bi o 11/30/201 0 1/16/200 1 6/11/200 2 0 ) c < u N C < u CO 1 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 0.83 2 J 0.74 9 J <0.17 7 <1.0 0 <0.17 7 <0.17 7 <0. 5 <0. 5 ( U

c 

## a c 0 ) £ >> J : a i 55 0 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.1 9 <0.1 9 <1.0 0 <0.1 9 <0.1 9 <0. 5 <0. 5 c 0 ) 3 O 1
- 1,00 0 <0. 5 <0. 5 0.52 J <0. 5 <0. 5 <0. 5 <0. 5 <0. 5 <6. 5 < 1 < 1 < 1 < 1 1.4 7 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0.31 3 <0. 5 <b. 5TotalXylenes

53 0 <1. 5 <1. 5 <1. 5 <1. 5 <1. 5 <1. 5 <1. 5 <1. 5 <1. 5 < 4 < 4 < 4 < 4 < 4 < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <0.88 6 <0.88 6 <4.0 0 <0.88 6 <0.88 6 <1. 5 <0. 5 No t include d i n curren t groundwate rsamplin g pla n | MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 MWD-00 6 4/12/200 1

6/11/200 2 9/4/200 3 1/8/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/200 8 11/4/200 8 5/13/200 9 11/10/200 9 5/21/201 0 11/30/201 0 <0. 5 3. 4 1. 5 < 1 < 1 < 1 < 1 < 1 6.402 " J <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.17 7 <0.17 7 <1.0 0 <0.17 7 <0.17 7 <0. 5

<d. 5 < 1 < 1 < 1 < 1 < 1 < 1 <i.o b <1.0 0 <i.o b <1.0 0 <i.o o <0.1 9 <0.1 9 <1.0 0 <0.1 9 <0.1 9 <0. 5

<0. 5 < 1 < 1 < 1 < 1 0.49 0 J < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0.31 3 <1. 5

3. 8 < 4 < 4 < 4 < 4 <2.82 0 J < 3.7 3 J <2.052 5 J <2.876 J <2.98 1 J <3.0 2 J <3.0 5 J <2.04 1 J <1.14 4 J <4.0 0 <0.89 5 J <1.71 1 J

NH C Bur n Pit ; Tabl e 4 his t 60 2 G W results.xis x CATLI N Projec t No

. 194-04 0 CATLI N Engineer s an d Scientist s Januar y201 1TABL E 4 SUMMAR Y O F HISTORICA L GROUNDWATE R LABORATOR Y RESULT S Pag e 4 o f 7

Ne w Hanove rCount yAirpor t Bur n Pi t Superfun d Sit e 

# o Date : No v2010/Ja n 201 1

Wel l I D Com p o f C o Sampl e I D oun d

ncer n ^
Dat e Collecte d 2 L GWQ S (uq/L )

CMW-00 7

CMW-00 8

CMW-00 9 CMW-00 7

CMW-00 7 CMW-00 7 CMW-00 7 CMW-00 7 CMW-00 7 CMW-00 7 CMW-00 7 CMW-00 7 CMW-00 7 CMW-Ob f 1 CMW-00 7 6/11/200 2

9/5/200 3 1/7/200 4 1 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/2b0 8 c



## s c 0 ) C O 1 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <i.0'0 " <1.0 0 <

a c 

## a c 0 ) x > > . J = * ^ L U 55 0 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <i.o"o " .<1.0 0 0 )

c 0 ) 3 i 2 1,00 0 <0. 5 < 1 < 1 < 1 < 1 0.73 6 J < 1 <1.0 0 <1.0 0 <1.0 0 <i.0 0 <1.0 0TotalXylenes

53 0 <1. 5 < 4 < 4 < 4 < 4 < 4 < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 No t include d i n curren t groundwate rsamplin g pla n | CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 CMW-00 8 6/11/200 2

9/5/200 3 1/7/200 4 4/1/200 4 772"i/2b"0 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/200 8 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0. 5

< 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0. 5

< 1 < 1 < 1 < 1 0.81 0 J < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1. 5

< 4 < 4 < 4 < 4 <2.618 J < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 No t include d i n curren t groundwate rsamplin g pla n | CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 CMW-00 9 6/11/200 2

9/5/200 3 1/772004 " 4/1/200 4 77'2"i72b"0

4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 1V26/206 7 5/15/200 8 <0. 5 < 1 < 1 < 1 < 1 <1 " < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0. 5

< 1 < 1 < 1 < 1 < 1 < 1 <i.o b <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0. 5

< 1 < 1 < 1 < 1 0.87 6 J < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1. 5

< 4 < 4 < 4 <4.2 9 < 4 < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 No t include d i n curren t groundwate rsamplin g pla n |



# J )

NH C Bur n Pit ; Tabl e 4 his t 60 2 G W results.xis x

CATLI N Projec t No

. 194-04 0 CATLI N Engineer s an d Scientist s Januar y201 1TABL E 4 SUMMAR Y O F HISTORICA L GROUNDWATE R LABORATOR Y RESULT S P:uj e 5 o f 7

Ne w Hanove rCount yAirpor t Bur n Pi t Superfun d Sit e 

# o Date : No v2010/Ja n 201 1



# o Wel l I D Compoun d o f Concer n • Sampl e I D Dat e Collecte d 2 L GWQ S (uq/L )

PVMW-01 0

PVMW-01 1

CMW-01 2 PVMW-01 0

PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 PVMW-01 0 6/11/200 2

9/5/200 3 1/7/200 4 ^ 4/172do'4 " 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 57l572"o'd

8 c

0 ) c a 1 <0. 5 < 1 < 1 < 1 < 1 < 1 <l ' <1,0 0 <i.o" d <1.0 0 <1.0 0 <i.o b 0 )

c 

## a c < u > .

. c

••- * O l 55 0 <0. 5 < 1 < 1 < 1 1.5 7 0.31 0 J < 1 <1.0 0 <i.6 b <1.0 0 2.9 0 5.0 7 0 )

c 3 o 1
- 1,00 0 <0. 5 < 1 < 1 < 1 < 1 0.86 6 J < 1 <1.0 0 <i.0 0 <1.0 0 <1.0 0 <i.o oTotalXylenes

53 0 <1. 5 < 4 < 4 < 4 <4,7 3 < 4 < 4 <4.0 0 <4,0 0 <4.0 0 <4.0 0 <4.0 0 No t include d i n curren t groundwate rsamplin g pla n | PVMW-01 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 PVM'W-b i 1 J PVMW-01 1 PVMW-01 1 PV'M'W-OII " 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 PVMW-01 1 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 CMW-01 2 6/11/200 2

9/5/200 3 1/7/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/200 8 11/4/200 8 5714/200 9 11/11/200 9 5/20/201 0 {i73d72bi o 6/11/200 2 9/5/200 3 1/7/200 4 4/1/200 4 • 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/200 8 11/4/200 8 5/13/200 9 11/10/200 9 5/21/201 0 11/30/201 0 2. 6 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.17 7 <b.17 7 <1.0 0 <0.17 7 <0.17 7 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.17 7 <0.17 7 <1.0 0 <0.17 7 <0.17 7 2. 7

< 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <i.6 b <0.1 9 <6.i'9 " <1.0 0 <0.1 9 <0.1 9 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.1 9 <0.1 9 <1.0 0 <0.1 9 <0.1 9 <0. 5

< { < 1 < 1 < 1 0.97 6 J < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0.31 3 <0. 5 < 1 < 1 < 1 < 1 0.98 0 J < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0.31 3 2. 8

< 4 < 4 < 4 < 4 < 4 < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <0.88 6 <0.88 6 <4.0 0 <0.88 6 <0.88 6 <1. 5 < 4 < 4 < 4 < 4 < 4 < 4 <4.0 0 <4,0 0 <4.0 0 <4.0 0 <4.0 0 <0.88 6 <0.88 6 <4.0 0 <0.88 6 <0.88 6

~ )

NH C Bur n Pit ; Tabl e 4 his t 60 2 G W results.xis x

CATLI N Projec t No

. 194-04 0 CATLI N Engineer s an d Scientist s Januar y201 1TABL E 4 SUMMAR Y O F HISTORICA L GROUNDWATE R LABORATOR Y RESULT S P.ig e 6 o f 7

Ne w Hanove rCount yAirpor t Bur n Pi t Superfun d Sit e Date : No v2010/Ja n 201 1

( " ^ Wel l I D Com p o f C o Sampl e I D oun d

ncer n '
Dat e Collecte d 2 L GWQ S (uq/L )

CMW-01 3

PVIVIW-01 4 CMW-01 3

CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 CMW-01 3 PVMW-01 4 PV'M"w"-0i 4 ^ PVMW-01 4 J PVMW-01 4 PVMW-01 4 PVMW-01 4 PVMW-01 4

_

^ PVMW-01 4 PVMW-01 4 J PVMW-01 4 PVMW-01 4 PVMW-01 4 PVMW-01 4 PVMW-01 4 PVMW-01 4 PVMW-01 4 PVMW-01 4 L 6/11/200 2

9/5/200 3 1/7/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5787200 7 11/20/200 7 5/15/200 8 11/4/200 8 "57l372b"d 9 11/10/200 9 5/21/201 0 11/30/201 0 6/11/200 2 9/47266 3 1/7/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 57872667 " 11/20/200 7 5/15/200 8 11/4/200 8 5/14/200 9 11/10/200 9 5/20/201 0 11/29/201 0 (1 ) c Q> N C ( U C Q 1 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <i.6" 6 <1.0 0 1.1 9 1.4 1 "d.27"7'"j " <1.0 0 <0.17 7 <0.17 7 4. 4 5. 0 3. 3 1. 5 < 1 0.92 5 J 3.2 0 0.59 9 J 0.93 3 J 0.68 8 J <1.0 0 <1.0 0 <0.17 7 <0.17 7 <1.0 0 <0.17 7 <0.17 7 0 )

c 

## a c

0 )

U l 55 0 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <i.6 b <i.6" 6 1.0 1 1.3 0 "6.2'84 J <1.0 0 <0.1 9 <0.1 9 1. 6 <1 " < 1 < 1 < 1 0.30 6 J 0.31 9 J <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.1 9 <0.1 9 <1.0 0 <0.1 9 <0.1 9 ( U

c 0 ) 3 0 1,00 0 <0. 5 < 1 < 1 < 1 < 1 1.2 4 < 1 <1.0 0 <1.0 0 <i.6" d <1.0 0 <1.0 0 <0,31 3 'd.'85"9" j <1.0 0 <b."3"T 3 <0.31 3 <0. 5 <l ' < 1 < 1 < 1 2.2 9 < 1 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <1.0 0 <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0.31 3TotalXylenes

53 0 <1. 5 < 4 < 4 < 4 <6,8 4 1.29 0 J < 4 <2.27 4 J <4.0 0 <4.0 0 <4.0 0 <4.0 0 <1.108 J <0.88 6 <4.0 0 <0.88 6 <0.88 6 2. 1 < 4 < 4 < 4 < 4 1.34 6 J < 4 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <4.0 0 <0.88 6 <0.88 6 <4.0 0 <0.88 6 <0.88 6

^

NH C Bur n Pit ; Tabl e 4 his t 60 2 G W results.xis x

CATLI N Projec t No

. 194-04 0 CATLI N Engineer s an d Scientist s Januar y201 1TABL E 4 SUMMAR Y O F HISTORICA L GROUNDWATE R LABORATOR Y RESULT S P:uj e 7 o f 7

Ne w Hanove rCount yAirpor t Bur n Pi t Superfun d Sit e Date : No v2010/Ja n 201 1



# o Wel l I D Com p o f C o Sampl e I D oun d

ncer n * " Dat e Collecte d 2 L GWQ S (uq/L )

PVMW-01 5

CMW-01 6 PVMW-01 5

PVMW-01 5 PVMW-01 5 PVMW-01 5 PVMW-01 5 PVMW-01 5 PVMW-01 5 PVMW-dis " 1 PVMW-01 5 PVMW-01 5 pv"^7l"w-di 5 1 PV"M'w"-0i 5 ' PVMW-01 5 PVMW-01 5 PVMW-01 5 PVMW-01 5 PVMW-01 5 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 CMW-01 6 J CMW-01 6 1 CMW-01 6 ^ CMW-01 6 , CMW-01 6 CMW-01 6 1 6/11/200 2

9/4/200 3 1/8/200 4 4/22/200 4 7/21/200 4 5/2/200 5 11/3/200 5 57872d6"6 " 11/10/200 6 5/8/200 7 11/20/200 7 "57157200 8 11/4/200 8 5/14/200 9 11/10/200 9 5/20/201 0 11/29/201 0 6/11/200 2 9/5/200 3 1/8/200 4 4/1/200 4 7/21/200 4 5/2/200 5 11/3/200 5 5/8/200 6 11/10/200 6 5/8/200 7 11/20/200 7 5/15/200 8
" l 1747206 8 5/13/200 9 11/10/200 9 5/21/201 0 il729/"2bl 0 0 ) c 

## a c < u C O 1 4. 1 < 1 < 1 < 1 < 1 0.77 9 J < 1 i.7 5 <1.0 0 <1.0 0 3.1 7 <i.o 6 <0.17 7 <0.17 7 <1.0 0 <0.17 7 <0.17 7 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <0.17 7 <0.17 7 <1.0 0 <0.17 7 <0.17 7 0 )

c 0 ) N c < u n U J 55 0 1. 4 < 1 < 1 < 1 < 1 0.31 1 J < 1 0.12 4 J <i.6' 6 <1.0 0 1.1 4 <i.6 b <0.1 9 <0.1 9 <1.0 0 <0.1 9 <0.1 9 <0. 5 < 1 < 1 < 1 < 1 < 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <0.1 9 <0.1 9 <10 0 <0.1 9 <0.1 9 0 ) c a > 3 0 1
- 1,00 0 <0. 5 < 1 < 1 < 1 < 1 2.3 3 < 1 <i6 o <1.0 0 <1.0 0 <1.0 0 <i.6' d <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0,31 3 <0. 5 < 1 < 1 < 1 < 1 2.3 1 < 1 < 1 < 1 <1.0 0 <1.0 0 <1.0 0 <0.31 3 <0.31 3 <1.0 0 <0.31 3 <0.31 3TotalXylenes

53 0 2. 1 < 4 < 4 < 4 < 4 1.34 9 J < 4 <2.280 J <4.0 0 <4.0 0 <4.0 0 <4.0 0 <0.88 6 <0.88 6 <4.0 0 <0.88 6 <0.88 6 <1. 5 < 4 < 4 < 4 < 4 <2.66 6 J < 4 < 4 < 4 <4.0 0 <4.0 0 <4.0 0 <0.86 6 <0.86 6 <4.0 0 <0.88 6 <0.88 6 Al l result s i n microgram s pe rlite r(Mg/L)

. 2 L GWQ S = NCAC T15A:02 L Groundwate rQualityStandard s Bol d result s indicat e concentration s abov e 2 L GWQS

. J = Estimate d concentration , below calibratio n rang e an d abov e Mettio d Dectectio n Limi t < = Les s ttia n reportin g limit s

NH C Bur n Pit ; Tabl e 4 his t 60 2 G W results.xls x CATLI N Projec t No

. 194-04 0 CATLI N Engineer s an d Scientist s Januar y201 1