MAiaXM PIRNIE SDMS Document POTENTIAL HAZARDOUS WASTE SITE PRELIMINARY ASSESSMENT 107953 Regional Contamination 50 Site Name Site 10 Number Eastern Fairfield Boro Fair-field ,Morri s, NJ Address City, State Date of Off-Site Reconnaissance ^^^'^^^'^^ ^'^^ ^"^^^ SITE DESCRIPTION Organic solvents were detected in many eastern Fairfield Boro wells. Caldwell Trucking Co., which is on the NPL, is an active sewage hauling firm located in the regional contamination area. Prior to 1974, the company hauled industrial waste and discharged it into four unlined lagoons. The sludge in the lagoons contains, among other things, trichloroethylene, chloroform, and lead. Appra;;imately 50 private wells and two public wells (#2 and ttl^) have been closed because of contamination from Caldwell Trucking. PRIORITY FOR FURTHER ACTION: High Medium Low^^None RECOf^MENDATIONS NUS Corp.is currently conducting a USEPA-funded groundwater • contamination confirmatory investigation to determine connection between Caldwell Trucking and Fairfield Boro Well No. 7. ^ At this time, a low priority is recommended pending the outcome Q of the investigation at Caldwell Trucking. O o o o o Prepared by: Tom Fowler Date: February 25, 1985 Q^. Malcolm Pirnie, Inc. 77 6IVISED MAY 24, 1985
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MAiaXM PIRNIE
SDMS Document
POTENTIAL HAZARDOUS WASTE SITE
PRELIMINARY ASSESSMENT 107953
Regional Contamination 50
Site Name Site 10 Number Eastern Fairfield Boro Fair-field ,Morri s, NJ
Address City, State
Date of Off-Site Reconnaissance ^^^'^^^'^^ ' ^ " ^
SITE DESCRIPTION
Organic solvents were detected in many eastern Fairfield Boro wells. Caldwell Trucking Co., which is on the NPL, is an active sewage hauling firm located in the regional contamination area. Prior to 1974, the company hauled industrial waste and discharged it into four unlined lagoons. The sludge in the lagoons contains, among other things, trichloroethylene, chloroform, and lead. Appra;;imately 50 private wells and two public wells (#2 and ttl^) have been closed because of contamination from Caldwell Trucking.
PRIORITY FOR FURTHER ACTION: High Medium Low^^None
RECOf^MENDATIONS
NUS Corp.is currently conducting a USEPA-funded groundwater • contamination confirmatory investigation to determine connection between Caldwell Trucking and Fairfield Boro Well No. 7. ^ At this time, a low priority is recommended pending the outcome Q of the investigation at Caldwell Trucking. O
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Prepared by: Tom Fowler Date: Feb rua ry 2 5 , 1985
Q^. Malco lm P i r n i e , I n c . 77
6IVISED MAY 24, 1985
01 SITE NAME A.«(VAaMMM»,<r<Waw«waMW •/«/*./
Regional Contamination 03 CITY
f f a i r f i e l d
10 DIRECTIONS TO SITE rs«rt>»,/,«,««„.,«,»/,. .<,«< Take r o u t e 1-80 t o e x i t 5 2 , r e g i o n a l c o n t a m i n a t i o n a r e a i s w i t h i n one m i l e s o u t h o f P a s s a i c A v e .
01 OWNER (V/»»./>;
( ta l d w e l l T r u c k i n g (USEPA s u s p e c t e d ) 03CITY
[ " a i r f i e l d
&EPA POTENTIAL HAZARDOUS WASTE SITE
PRELIMINARY ASSESSMENT PART 1-SITE INFORMATION AND ASSESSMENT
I. IDENTIFICATION
WJ |T4Tt g^.SITE NUMBER
II. SITE NAME AND LOCATION
02 STREET, ROUTE NO., OR SPECIFIC LOCATION IDENTIFIER
^ •assa ic Ave. . -SE o f Essex A i r p o r t
09 COORDINATES , T , T U p £
40 52 4 0 . 0 LONGITUDE
74 16 15 .0
04 STATE
NJ 05 ZIP CODE 06 COUNTY
Esse;-; OTCOUNTY QocoNa
CODE DIST.
BLOC*- 302 Lor-'-
III. RESPONSIBLE PARTIES 02 STREET/«i/»Mu,m>///iv,/-fi/tfMOff/V
222 P a s s a i c A v e . 04 STATE
NJ 07 OPERATOR l i t «/w>im a n H i t t t t t n t from owotr)
14 OWNER/OPERATOR NOTiriCATION ON FILEfCMor •>» Mor applft
Q A . R C R A S O O I DATE RECEIVED-. Q B . UNCONTROLLED WASTE CCfJfCi.J /OJe;.DATE RECEIVED: ft C. NONE
MONTH OAT TEAR MONTH DAT TEAR
IV.CHARACTERIZATION OF POTENTIAL HAZARD
01 ON SITE INSPECTION
• Y E S DATE
XDNO MONTH OAY TEAR
CONTRACTOR NAME (S)
BylClfeitellf/iofopfilyJ • A.EPA ^ B EPA CONTRACTOR Q c . STATE
• E . LOCAL HEALTH OFFICIAL Q F . OTHER
• D OTHER CONTRACTOR
f S c f c i f / l
02 SITE STATUS l O i t c t ou t /
H A . ACTIVE Q B . I N A C T I V E Q C . U N K N O W N
0 1 TEARS OF OPERATION
U n k . P r e s Q UNKNOWN BEGINNING TEAR ENDING TEAR
04 DESCRIPTION OF SUBSTANCES POSSIBLY PRESENT, KNOWN, OR ALLEGED
fcaldwell Trucking has discharged liquid wastes, which include organic solvents, into four unlined lagoons on-site. Contaminated ground water is migrating towards the Passaic River. (Attachment H)
OS DESCRIPTION OF POTENTIAL HAZARD TO ENVIRONMENT ANtyOR POPULATION
Drganic solvents were detected in area wells, including Fairfield iJell No. 7. Highest concentrations are between Caldwell Trucking and Passaic River. (Attachments A,E). V. PRIORITY ASSESSMENT 01 PRIORITY FOR INSPECTION^CA#c* OM.IIhig^ormodumttentclud, com»/»tt ^rti-wo^omformoHopoitdPortS-OoaeriptionotMojorOota Conditiau cnatncidanit)
QA.HIGH Q B . MEDIUM g]c.LOw QDNONE (Inaptcrtoo rtqutraa fiivmoflf t llntptetiofi roqutroiti (mtpoehononftmtovaHaUtbaattl (Molurfi%aroctiannttd*d.cainpHf9currtnfatiOopfiotilormJ
VI. INFORMATION AVAILABLE FROM
01 CONTACT
- r e d S c h m i t t 0 4 PERSON RESPONSIBLE FOfJ ASSESSMEWT
Tom F o w l e r EPA FORM 2070-12I7-8II
02 o r (AgancyAligaKitation)
NJDEP/BEERA 05 AGENCY 0€ ORGANIZATION
M . P i r n i e I n c
0 3 TELEPHONE NUMBER
{609 i -2921215 07 TELEPHONE NUMBER
0201-^8450400 08 DATE
2 / 2 5 / 8 5 MONTH OAT TEAS
O O
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POTENTIAL HAZARDOUS WASTE SITF ^ ^ P I P A PRELIMINARY ASSESSMENT ^ ^ * — * ' * PART 2-WASTE INFORMATION
1. IDENTIFICATION | 01 STATE
NJ 02 SITE NUMBER
50 1
II. WASTE STATES,QUANTITIES, AND CHARACTERISTICS 01 PHYSICAL STATES (-owe-* 0//mo/<7«)/r/'
• A . SOLID D E . SLURRY
Q B . POWOER.FINES [ ^ F . LIQUID
DC. SLUDGE D G . GAS
Do. OTHER ISptcifrJ
02 WASTE 0UANTI1 fMoaturot otwoti mutt bo indapoo&
TONS
CUBIC YARDS
NO OF DRUMS
rY AT SITE t Quantitioa tot)
03 WASTE CHARACTERISTICS IChoct oil thot oepi,)
[ ^ A T O X I C . 133 E. SOLUBLE [ j j 1. HIGHLY VOLATILE
Q B . CORROSIVE Q P - INFECTIOUS Qj .EXPLOSIVE
Q c RADIOACTIVE Q G ; FLAMMABLE Q t C REACTIVE
D o . PERSISTENT Q H . IGNITABLE QL.INCOMPATIBLE
Q M . N C T APPLICABLE
III.WASTE TYPE CATEGORY
SLU
O L *
SOL
PSD
OCC
IOC
ACQ
BAS
MES
SUBSTANCE NAME
SLUDGE
OILY WASTE
SOLVENTS
PESTICIDES
OTHER ORGANIC CHEMICALS
INORGANIC CHEMICALS
ACIDS
BASES
HEAVY METALS
01 GROSS AMOUNT
u n k n o w n
02 UNIT OF MEASURE 0 3 COMMENTS
IV. H A Z A R D O U S S U B S T A N C E S fSm Apponai. tor mo,lfr,o,M<tl, emu C A S Numoor,)
01 CATEGORY
QHI
fSOL c ;n i QHI MP??
02 SUBSTANCE NAME
T o f r-j^f-hl nr-nF>-*-hyl p>np> 1 , 1 , 1 T r i c h l o r o e t h a r Tr - i r h l o r n p f h y l e n e n n r n f n r m 1 p a r i
G r a v e l p i t G r a v e l o i t G r a v e l p i t G r a v e l p i t G r a v e l p i t
0 5 CONCENTRATION
> 1 0 0 0
> 1 0 0 0
> 1 0 0 0
> 1 0 0 0 U n k n o w n
06 MEASURE OF CONCENTRATION
p p b
p p b D D b
D D b
V. FEEDSTOCKS « « Appomit tor CAS tnimptn) \ CATEGORY
FOS
FDS
FOS
FDS
01 FEEDSTOCK NAME 0 2 CAS NUMBER CATEGORY
FDS
FOS
FOS
FOS
01 FEEDSTOCK NAME 02 CAS NUMBER
V I . S O U R C E S OF INFORMATION rows(>«:// ' /cr»<»^»«j,,^ , t o n tUtt.tamploOK0ljti%,rtperttl
NJDEP F i l e s : ( A t t a c h m e n t A , H ) .
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EPA FORM 2070-l2(7-«1)
O o o IJO
POTENTIAL HAZARDOUS WASTE SITE * V E P A PRELIMINARY ASSESSMENT ^ ' ^ ' ~ ' * * PARTS-DESCRIPTION OF HAZARDOUS CONDITIONS AND INCIDENTS
1. IDENTIFICATION |
°^^T O^I IE NUMBER
1 11. HAZARDOUS CONDITIONS AND INCIDENTS 1
01 Q A GROUNDWATER CONTAMINATION
03 POPULATION POTENTIALLY AFFECTED:
02 a OBSERVED (DATE: N u m e r o u s ) D P O T E N T I A L D ALLEGED
04 NARRATIVE DESCRIPTION
H i g h c o n c e n t r a t i o n s o f o r g a n i c s o l v e n t s a r e d e t e c t e d i n w e l l s f r o m C a l d w e l l T r u c k i n g a r e a t o P a s s a i c R i v e r . ( A t t a c h m e n t A - H ) .
01 3 B. SURFACE WATER CONTAMINATION
03 POPULATION POTENTIALLY AFFECTED;
02 n OBSERVED (DATE: ) S POTENTIAL • ALLEGED |
04 NARRATIVE DESCRIPTION
The p o t e n t i a l e x i s t s f o r g r o u n d w a t e r c o n t a m i n a t i o n t o e n t e r t h e P a s s a i c R i v e r and D e e p a v a a l B r o o k . ( A t t a c h m e n t s A , C , H )
01 D C. CONTAMINATION OF AIR
03 POPULATION POTENTIALLY AFFECTED:
•
01 D D. FIRE/EXPLOSIVE CONDITIONS
03 POPULATION POTENTIALLY AFFECTED:
01 D E - DIRECT CONTACT
03 POPULATION POTENTIALLY AFFECTED;
01 [ 3 F. CONTAMINATION OF SOIL
03 AREA POTENTIALLY AFFECTED;
A p o t e n t i a l e x i s t s i r ' & ^ "
02 DOBSERVEO (DATE: ) CPOTENTIAL H A L L E G E D
04 NARRATIVE DESCRIPTION
02 DOBSERVEO(OATE: ) DPOTENTIAL DALLEGED
0 4 NARRATIVE DESCRIPTION
02 DOBSERVED (DATE: ) DPOTENTIAL Q A L L E G E D |
04 NARRATIVE DESCRIPTION
02 DOBSERVED (DATE: ) B I P O T E N T I A L D A L L E G E D
04 NARRATIVE DESCRIPTION
[ M i g r a t i o n o f c o n t a m i n a n t s i n u n l i n e d l a g o o n s .
01 C8G. DRINKING WATER CONTAMINATION 02 GIOBSERVED (DATE; 1 / 8 3 ) D P O T E N T I A L D A L L E G E O
03 POPULATION POTENTIALLY AFFECTED; 04 NARRATIVE DESCRIPTION
F a i r f i e l d w e l l No . 7 shows TCE c o n c e n t r a t i o n s i n e x c e s s o f 100 ppb ( A t t a c h m e n t A ) .
01 D H WORKER EXPOSURE/INJURY
03 WORKERS POTENTIALLY AFFECTED:
01 D l . POPULATION EXPOSURE/INJURY
03 POPULATION POTENTIALLY AFFECTED;
02 nOBSERVED (DATE; ) QPOTENTIAL Q A L L E G E O
04 NARRATIVE DESCRIPTION
02 DOBSERVED (DATE; ) Q P O T E N T I A L D A L L E G E O
04 NARRATIVE DESCRIPTION i o
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EPA FORM 2070-12 (7-81)
O o o •1^
POTENTIAL HAZARDOUS WASTE SITE ^ y C p / V PRELIMINARY ASSESSMENT ^ ^ ^ ' ^ * PARTS-DESCRIPTION OF HAZARDOUS CONDITIONS AND INCIDENTS
1. IDENTIFICATION | 01 STATE
NJ 02 SITE NUMBER
50
II. HAZARDOUS CONDITIONS AND INCIDENTS iuot,„..oi \ 01 D J. DAMAGE TO FLORA 02 Q OBSERVED (DATE: ) Q POTENTIAL
04 NARRATIVE DESCRIPTION
01 Q K . DAMAGE TO FAUNA 02 QOBSERVED (DATE; ) Q P
S l u d g e i n u n l i n e d l a g o o n s on t h e s i t e c o n t a i n s t r i c h l o r c c h l o r o f o r m , and l e a d .
01 Q N . DAMAGE TO OFFSITE PROPERTY 0 2 DOBSERVED (DATE; ) D P
04 NARRATIVE DESCRIPTION
USEPA h a s f u n d e d a c o n f i r m a t o r y i n v e s t i g a t i o n o f Ca ldwe ] e f f e c t s on F a i r f i e l d B o r o ' s w e l l No . 7 w h i c h i s c o n t a m i r v o l a t i l e o r q a n i c s . ( A t t a c h m e n t F)
01 Q P I L L E G A L A I N A U T H O R I Z E O DUMPING 0 2 • O B S E R V E D (DATE; ) • P
04 NARRATIVE DESCRIPTION
OTENTIAL
HALLEGED
u c k i n g ' s w i t h
•ALLEGED
•ALLEGED
0 5 DESCRIPTION OF ANY OTHER KNOWN, POTENTIAL, OR ALLEGED HAZARDS
III.TOTAL POPULATION POTENTIALLY AFFECTED: IV. COMMENTS
The a r e a s s o u t h and w e s t o f t h e t h i s c o n t a m i n a t e d z o n e a r e e i n d u s t r i a l i z e d ; h o w e v e r , t h e s e i n d u i s t r i e s a p p e a r t o m a i n t a i n h o u s e k e e p i n g p r a c t i c e s .
x t e n s i v e l y g o o d
V . S O U R C E S OF \ H ^ O R ^ S X \ O H l C i t , , p , c m t r , l „ , n c ; , , t t l o t , f i l » . t o m p i , e n o l , t i , , , , p o r l , >
N J D E P / D W R : A t t a c h m e n t s A t h r o u g h D M a l c o l m P i r n i e , I n c : A t t a c h m e n t s E t h r o u g h G N P L : A t t a c h m e n t H
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File: ATI. p.yH_X
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TELEPHONE CALL CONFIRMATION
Local ' - ^ - ^ / " ^ J ) ^ ^ \ nng Distance
To/From Time ^ ^ ^ ? 0
MPI Name h ^ fyy^Ajlec^
-Project
-Proj. No. e i E l ^ l l l
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TOWNSHIP OF FAIRFIELD NEW JERSEY
ENGINEERING REPORT
CONTROL OF VOLATILE ORGANIC CHEMICALS J IN GROUND WATER SUPPLY SYSTEM I WELL NO. 7
JANUARY 1983
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MALCOLM PIRNIE, INC. o 100 Eisenhower Drive - 3 Paramus, New Jersey "
07652
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INTRODUCTION
Background
The Township of Fairfield, New Jersey owns and operates
a water supply and distribution system which serves a major
portion of the Township's population and industry. A portion
of the Township population obtains potable water from privately-
owned, individual wells. Also, the Township maintains an
interconnection with the Passaic Valley Water Commission
(PVWC), which supplies water to the Township during peak
ip demand periods and emergency situations. •
Currently, the Township's water supply system consists
of seven wells (Nos. 1, 2, 4, 6, 7, 8 and 9), which are
located as shown on Figure 1. The existing wells have a
total production capacity of about 2.5 million gallon per
day (mgd). Of the seven wells, Well No. 7 (Green Brook
Well) is the largest producer with a. capacity of about
0.6 mgd or 400 gallons per minute (gpm). The amount of
J water obtained from the PVWC interconnection ranges from
i 0.008 to 1.1 mgd.
Historically, the quality of the Township's ground
1 water supply has been good, meeting federal and state drink
ing water standards. Only disinfecton has been required
5 prior to pumping the water into the distribution system. In
1980, relatively high levels [greater than 100 micrograms
1 per liter (uq/l)l of volatile organic chemicals (VOCs),
*»- (trichloroethylene, tetrachloroethylene and 1,1,1-trichloro-
ethane) were detected in Well No. 7. In addition, several ^
other VOCs were also detected but at lower levels. Also, o
relatively high levels of VOCs were detected in Well No. 2 o
I (the Municipal Well). 2
Reports that these chemicals, even in low concentrations, ^
are potentially harmful to human health have caused a growing S
concern over their presence in water supplies throughout the
MALDCHAl PIRNIE 1-1
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TOWNSHIP OF F A I R F I E L D . HEW JERSEY
CONTROL OF VOLATILE ORGANIC CHEMICALS IN GROUNO WATER SUPPLY SYSTEM
LOCATION OF WELLS c. s
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country. Currently, the U. S. Environmental Protection II Agency (EPA) is considering setting maximum contaminant
levels (MCLs) for VOCs in drinking water. On March 5, 1982, the EPA issued an Advance Notice of Proposed Rulemaking concerning VOCs in order to initiate dialogue on potential regulations and to obtain additional information regarding the important aspects of the problem. Based on presently understood schedules, regulations will probably not be
^ proposed until at least 1983. In the absence of federal regulations, the New Jersey
ip State Department of Environmental Protection (NJDEP) is utilizing a maximum level of 100 ug/1 as a guideline for total VOCs in the state's drinking waters. If total VOC -levels in a water supply exceed this concentration, NJDEP will determine whether the water supply should be taken out of service considering its size and importance in relation
| a ^ to the remainder of a municipality's water supply. ^ ^ In accordance with the above guidelines, on June 8, .
1981, the NJDEP ordered the Township to remove Well No. 7 I from service until such time as treatment of the water was
provided or the well could be shown to be relatively free , from contamination. Well No. 7 has been out of service
since that time. Well No. 2 also has been taken out of service because of high VOC levels. The other wells (which
' have exhibited trace levels of VOCs) and the PVWC interconnection currently are meeting the Township's potable water
^ demands. Q
I Purpose and Scope § As a result of the Township wells being removed from ^
, service because of high VOCs, the Township retained Malcolm g Pirnie to evaluate alternative treatment techniques for ^ controlling VOCs in Well No. 7. The purpose -of this study
• L •I M A K O M
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2. EXISTING WATER SUPPLY SYSTEM
I • As part of this study, available data on Well No. 7
I were obtained and reviewed. In addition, a site inspection
of the well was made by Malcolm Pirnie personnel, and discus
sions were held with key personnel of the Township's engineer
ing and water departments. Data concerning the capacity and
existing facilities at the well were reviewed to provide a
4 baseline for preliminary sizing of ground water treatment
facilities and for determining treatment equipment requirements.
i Existing water quality data from the well were reviewed to
provide a basis for determining appropriate treatment processes
and removal efficiencies. Existing facilities and water
quality data, as they pertain to treatment facilities, are
described in the following sections of this chapter.
Well and Well Pump Data
Well No. 7 is located on Passaic Avenue between Green-
brook Road and Beverly Road as shown on Figure 1. Well
No. 7 was constructed in 1957. From that time until 1970,
the well was used for irrigation at the Green Brook Country
Club. In 1970, modifications were made, including the
addition of chlorination equipment, and the well was connected
to the Township water supply system. Water from Well No. 7
is disinfected with gaseous chlorine and then pumped directly
into a 14-inch diameter water main along Passaic Avenue.
Pertinent data on Well No. 7 are listed below:
Well No. 7 o
Design Capacity: 400 gpm at 375 feet .o total dynamic head
Depth: 300 feet § Well Pump: Vertical Turbine *-• Pump Motor: 50 hp
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The monthly operating reports for Well No. 7 were obtained ^ and reviewed to determine an appropriate design flowrate for
treatment facilities.
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A summary of the operating data for 1980 and 1981, until the well was removed from service, is provided in Table 1. Data concerning well usage (hours of operation) were reviewed for purposes of determining operating costs for treatment facilities. In general, Well No. 7 has been operated less than 24 hours per day, and operating time is based on system demand. As shown in Table 1, the well has been operated from as low as 7 hours per day during the winter months to as high as 16 hours per day during peak summer months. On the average, the well has been operated about 11 hours per day.
The flowrate from Well No. 7 has been relatively constant over the past several years of operation, with an average-flowrate ranging from 284 gpm to 421 gpm. In general, the flowrate has been about 400 gpm, which is the reported design flowrate for the well. Based on the historical pumping data, a maximum flowrate of 425 gpm has been selected for purposes of designing a VOC treatment facility. For purposes of estimating annual operating costs, it has been assumed that the well would be operated for an average of 11 hours per day.
Organic Chemical Levels Existing data relating to the types and levels of VOCs
which have been detected in Well No. 7 were reviewed and summarized to establish design criteria regarding influent levels for treatment facilities. Also, existing and potential VOC regulations were reviewed to determine required removal efficiencies. o
Historical Data - VOCs were first detected in Well < No. 7 in October 1980. Subsequently, the Township has o
— o conducted a sampling and analysis program to monitor VOC >-' concentrations in the well. A summary of the VOC data for o — Q
Well No. 7 is presented in Table 2. As shown in the table, to • — ^ — — ^ - _ ^ _ ^ . ^ _ ^ 1 ^
MAUDOIM PIRNIE 2-2 r-c
TABLE 1
SUMMARY OF OPERATING DATA FOR WELL NO. 7
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Month
1980
Jan. Feb. Mar. Apr. May June, . July^^^ Aug. Sept. Oct. Nov. Dec.
1. Hours of operation not available for July 1980. 2. The pump was taken out of service on June 8, 1981.
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TABLE 2
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Trichloroethylene
Tetrachloroethylene
1,1,1-Trichloroethane
VOC LEVELS IN WELL NO. 7 (all units in micrograms/liter)
Trans-1,2-Dichloroethylene
1,2-Dichloroethane
Chloroform
1,1-Dichloroethylene
1,1-Dichloroethane
Carbon Tetrachloride
Total
Range
26
<2
17
<1
<1
2
3
2
6
to
to
to
to
to
to
to
to
to
395
172
291
51
48
19
17
13
10
Average
157
72
128
17
7
10
8
7
8
414
Number of^^^ Samples
16
16
16
15
2
11
10
9
2
Note:
1. Number of samples in which compound was detected.
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the total VOC concentration exceeds the NJDEP recommended
maximum level of 100 ug/1 for total VOCs. Based on the
results of the sampling program and the NJDEP guidelines,
the Township has taken Well No. 7 out of service.
Of the VOCs detected in Well No. 7, trichloroethylene
has been found at the highest level (395 ug/1), followed by
1.1.1-trichloroethane (291 ug/1)-, and tetrachloroethylene
(172 ug/1), respectively. The highest levels of the other
VOCs generally have been less than 50 ug/1. For each of the
VOCs, the highest level detected generally is greater than
two times the average level. VOC levels in Well No. 7 have
varied considerably. However, over the past year, it appears
that influent levels may be increasing.
VOC Regulations - As indicated in the first chapter of
this report, VOCs are not currently included in federal
drinking water regulations. In the absence of federal
regulations, NJDEP has developed a guideline of 100 ug/1 for
total VOCs. In addition, any VOC control method applied to
affected water supplies should be designed to reduce the
total VOC concentration to as low a level as possible.
Therefore, in order to meet current state guidelines, it is
necessary to design treatment facilities to achieve total
effluent VOC concentrations much less than 100 ug/1. The
NJDEP has indicated that chloroform would not be included in
the total VOC calculation because of the existing regulation
setting a maximum contaminant level of 100 ug/1 for total
trihalomethanes.
Although federal VOC regulations currently are not
available, USEPA is considering setting maximum contaminant
levels (MCLs) for several VOCs. The range of potential MCLs Q
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being considered by USEPA for several VOCs detected in Well No. 7 is listed below:
Potential MCLs (ug/1)
Trichloroethylene 5 to 500 Tetrachloroethylene 5 to 500 Carbon Tetrachloride 5 to 500 1,1,1-Trichloroethane 1,000 1,2-Dichloroethane 1 to 100
The range of concentrations is based on various cancer risk levels, with the low end of the range estimated to result in a lower cancer risk to the population than the high end of the range. The level for 1,1,1-trichloroethane is much higher than the level for the other VOCs because 1,1,1-tri-
* chloroethane has not been found to exhibit carcinogenic affects in humans.
J In March 1982, USEPA issued an Advance Notice of Proposed Rulemaking (ANPRM) concerning VOCs in drinking water and solicited comments regarding the ANPRM. Based on comments received from the water supply industry and from academic groups, setting an MCL below 10 ug/1 would be inconsistent with current analytical capabilities; i.e., the reliability and reproducability of analytical results below 10 ug/1 is questionable. Therefore, it appears that MCLs of no less than 10 ug/1 for each VOC may be ultimately proposed.
According to current USEPA schedules, a proposed regulation for VOCs may not be established until sometime in 1983, and a final regulation may not be promulgated until at least 1984. However, based on comments received on the ANRPM, it appears that most water supply people feel that MCLs are Q needed, and it is anticipated that MCLs will be issued within the next few years.
In order to meet the current NJDEP guidelines for VOCs "" and to be consistent with potential future regulations, an g effluent concentration of no greater than 10 ug/1 for a »
{ single VOC (including chloroform) has been selected for the
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puirpose of designing VOC treatment facilities for Well
No. 7. On this basis, the current state guideline of less
than 100 ug/1 for total VOCs will be met. It is anticipated
that the design of treatment facilities to reduce one VOC to
10.ug/1 will result in effluent levels below 10 ug/1 for the
other VOCs, as discussed in more detail in a subsequent
chapter of this report.
Design Criteria for Treatment - The required removal
efficiencies for VOC treatment facilities were determined
from the historical data and the potential MCLs presented in
the previous section of this chapter. The design criteria
for influent VOC concentrations were established based on
the maximum historical VOC concentrations detected in the
well and on a review of VOC levels detected in private wells
located northeast of Well No. 7.
Both the Township and the NJDEP have conducted surveys
of private residential wells located in the Pier Lane section
of the Township, about one mile northeast of Well No. 7. In
some of these wells, the concentration of VOCs, such as
trichloroethylene and 1,1,1-trichloroethane, have been
greater than 1,000 ug/1. Also, the other VOCs found in Well
No. 7 have been found in some of the private wells at concen
trations of several hundreds of micrograms per liter. The
suspected source of the VOCs is an industrial area located
approximately midway between Well No. 7 and the affected
private wells. Hydrogeological reports of the area indicate
that the ground water is moving in a southwest-to-northeast
direction, or from Well No. 7 toward the Passaic River. n
In the future, VOC levels in Well No. 7 may rise because ^ of the suspected source which has affected the private wells o
to the northeast. However, VOC levels are not expected to o
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AAAUDOyVL PIRNIE MALCOLM PIRNIE. INC.
ENVIRONMENTAL ENGINEERS, SCIENTISTS & PLANNERS
June 21, 1984
Charles G. Burns, P.E. Township Administrator Township of Fairfield 230 Fairfield Road Fairfield, New Jersey 07006
Re: Draft Report Pumping Test on Well No. 7 Township of Fairfield, New Jersey
Gentlemen:
Enclosed please find three copies of the referenced draft report. The results of a six-day pumping test conducted between April 24 and 30, 1984, are inconclusive in that a reliably measured hydraulic interconnection between Well No. 7 a n d C a l d w ^ n T m r k - i n g rif f -p v7P>n wag n n t ar-hiPVpH, The most probable explanation is that the duration of pumping was too short to develop a reliably measurable drawdown in the Caldwell deep well, located about 3,300 feet away and because the test was complicated by heavy rain on April 4 to 6, 1984.
We recommend that the test be repeated and a two to four-week long pumpina test be performed. If such a test is not feasible at this time, we recommend that Well No. 7 not, hP returned to service as a water supply well.
It was a pleasure to serve the Township of Fairfield on this project. If you have any questions, please call.
Very truly yours, o O
' ^ ^ S ^ l ~ /kxiii c
J - / \ j \ - ^ W ^ \\ • ; • -
.John C. Henningson \\ Joseph Minster , CPGS (Vice P r e s i d e n t M Senior Hydrogeologist
The Marvel well is much deeper (310 feet) than the Caldwell deep well (134 feet), which can explain why the static water level in the Marvel well was higher than in the Caldwell deep well by an average of a couple of feet; and the daily fluctuations in the Marvel well mask any possible trends in the water level drawdown (due to pumping in Well No. 7).
The water level in the Caldwell shallow well closely approximates the level in the adjacent Caldwell deep well. This could be explained by the fact that the shallow well is partially screened in the bedrock.
CONCLUSIONS AND RECOMMENDATIONS
The analysis of the pumping test data results in the
following conclusions:
L. A six-day duration of pumping may have been too short to develop a reliably measurable drawdown in the Caldwell deep well. Other potential factors, that may have contributed to the uncertainty of the test results, were: the relatively great distance (3,300 feet) to the Caldwell well and the amplitude of the natural ground water fluctuations due to heavy rain on April 4 to 6, 1984. Other rain events might have affected the water levels as well.
I . The hydraulic interconnection between the two wells remains questionable.
}. Monitoring of the Marvel well did not provide any useful data due to regular pumpage of that well.
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] Based on all < ata collected during this pumping test,
we recommend that the test be repeated and a pumping test of
significantly longer duration (probably from 2 to 4 weeks)
be performed. Preferably, the test should be performed
during the summer's dry period, which would help to avoid n
the negative impacts of heavy rains. The actual duration of
this pumping test will have to be determined in the field by
monitoring the progress of the test..
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If such a test is not feasible at this time, we recom-
J mend that Well No. 7 not be returned to service as a water
supply well because of the existing possibility that the
-j pumping of Well No. 7 might lead to a contaminant migration
• from the Caldwell Trucking site toward the water supply
wells located between Well No. 7 and Caldwell Trucking site.
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LEGEND
M O N I T O R I N G / PRODUCTION WELL LOCATION
From: NJDEP Records, U.S.G.S.
Caldwell (1970) and Pomptor. Plains (1970) Quadrangles
TOWNSHIP OF FAIRFIELD. NEW JERESY PUMPING TEST ON WELL NO. 7
SITE LOCATION MAP JUNE 1984 6 " /
National Priorities List Site
• [ Hazardous waste site listed under the Comprehensive Environnnental Response, Compensation, and Liability Act of 1980 (CERCLA)("Superfund"
CALDWELL TRUCKIiSIG CO. Fairfield, New Jersey
Conditions at listing (December 1982); Caldwell Tucking Co. is an active sewage hauling firm occupying 9 acres in Fairfield, Essex County, New Jersey. For several years up to 1974, the cwners hauled industrial waste and discharged it into four unlined lagoons. The sludge in the lagcx>ns contains, among other tJiings, trichloroethylene, chloroform, and lead. About 50 private wells have been closed because of contamination from this site, and another 50 to 100 are threatened. Two public wells have been closed.
The plume of contaminated ground water is moving toward t±ie Passaic River. The point where the plume is predicted to enter the river is about 2 miles upstream of a drinking water intake in the river. In September 1982, t.he State required Caldwell Trucking to install monitoring wells and to decontaminate the site, including removing contaminated soil and sludge from the lagoons.
Status (July 1983): Conditions at the site are currently being addressed through a State enforcement action against parties responsible for wastes at the site. —
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4 U.S. Environmental Protflction Agency/Remedial Response Program
Page 1 of 4
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OFF - SITE RECONNAISSANCE
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