United States         Office of
           Lrtvironmental Protection   Emergency and
           Agency            Remedial Response
EPA/ROD/R03-92/145
December 1991
©EPA   Superfund
          Record of Decision:
          Dublin Water Supply, PA

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50272.101
REPORT DOCUMENTATION 11. REPORTNO.
PAGE EPA/ROD/R03-92/145
I ~
3.q.tl~IJ-'~No.
4. 111Ie 8IId ~
SUPERFUND RECORD OF DECISION
Dublin Water Supply, PA
First Remedial Action - Final
7. AulhOl'(8)
5. Report DIIre
12/30/91
6..
8. PerIonIIIng 0rg8\IZIIII0n Rept. No.
9. PerformIng OrpIInIZIIIIon Name 8IId Adc1J8ss
to. Projec:V1'8IICIWGIk UnIt No.
it. ConIr8Ct(C) CII' GI8nt(G) No.
(C)
1~ SponsorIng ()rg8UIaon NIIIne 8IId Adcnss
U.S. Environmental Protection
401 M Street, S.W.
Washington, D.C. 20460
(G)
13. Type (II Report" P8ftod CCMncI
Agency
800/000
14.
15. s....,Ao.._dooJ ,.,.,.
PB93-963903
16.. Ab81r8C:t (IJmIt 200 wads)
The 4.5-acre Dublin Water Supply is a former manufacturing facility located in Dubli~
Borough, Bucks County, Pennsylvania. The site consists of a one-story tower buildin;
and parking lot. The surrounding area is mixed commercial and residential, with a
fruit orchard bordering the site to the north and west. Groundwater beneath the site
contributes to the aquifer by providing a drinking water source to area residents.
The ground water flows toward residential and commercial wells in the Dublin Borough
and is believed to be predominantly controlled by bedrock fractures. SUrface
drainage, which flows in a northward direction, is absorbed by the fruit orchard or
discharges to a tributary of Morris Run located northwest of the site. Since the
1930s, the site has been used for various industrial purposes and has had several
owners. From the early 1930's to 1956, the site operated as a hosiery mill. In 1956
Home Window Company of Pennsylvania used the property for the manufacture of aluminum
doors and windows. In 1959, the property was purchased by Kollsman Motors Corporatio:
(KMC) and used to manufacture mechanical and electromechanical components that are
utilized in aircraft and missiles. During this time, TCE was used onsite, and spent
product was either poured onto the ground or stored in perforated drums. In 1973,
(See Attached Page)
17. Docun8nt AnII)'sIs .. Descrtptors
Record of Decision - Dublin Water Supply, PA
First Remedial Action - Final
Contaminated Media: gw
Key Contaminants: VOCs (PCE, TCE, vinyl chloride)
II. lcIe~deCI Terms
c. COSAT1 ReldlGroup
18. AYIIIiIIbIIty SWMnBnI
19. Secu1Iy aass (ThI8 Report)
None

20. Securfty CI8s8 (1bIs P8ge)
None
21. No. 01 P8gII8
109
22. PIke
(See ANSI-Z39.18)
See lnSIIUCtIons on Rswenre
OPTIONAL FORM 272 (4077)
(FemwIy N1'1S-35)
Oet-Io_.t Of COcnn8Re
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~PA/ROD/R03-92/145
)ublin Water SUpply, PA
cirst Remedial Action - Final
~stract (continued)
,thlone Industries purchased the property for cleaning, stamping, and packaging
50ftballs. TCE solvents were used as degreasing agents to assemble stamping machines.
:n 1986, the current owner purchased the site for antique car restoration. A portion of
:he site is currently leased to Laboratory Testing, Inc., for metallurgical testing.
Juring a routine drinking water survey in 1986, the state discovered elevated levels of
;CE affecting approximately 170 area homes. Under the EPA direction, the owner supplied
:arbon filtration to affected residential water supplies and installed ground water
nonitoring wells, which indicated ground water contamination with several VOC compounds.
;his early action ROD addresses the provision of a permanent clean drinking water supply
:0 affected area residents and businesses. An additional RI/FS, which commenced in 1991,
"Vill focus on re.TD.ediation of the soil, ground water, and surface water in a separate
:::lean-up action. The primary contaminants of concern affecting ground water are VOCs,
".ncluding TeE, PCE, and vinyl chloride. "
:he selected remedial action for this site includes installing and operating a new water
~upply well or operation of the existing welli constructing and continuing ~~e operation
)f an air stripping and vapor phase carbon adsorption treatment system, or other
ippropriate technology, for the welli expanding the Dublin Borough public distribution
5ystem with the treated wateri and monitoring the residential and commercial wells not
5erviced by the public distribution system. The estimated present worth cost for this
:ernedial action is $5,000,000, which includes a capital cost of $3,100,000 and an annual
)&M cost of $300,000 for 30 years.
":)ERFORMANCE STANDARDS OR GOALS: Chemical-specific ground water standards are based on
5DWA MCLs for TCE 5 ug/l, PCE 5 ug/li vinyl chloride 2 ug/li cis-1,2-DCE 70 Ug/li
:rans-1,2-DCE 100 ug/li 1,1-DCE 7 ug/li and 1,1,1-TCA 200 ug/l. Performance standards
:or air emissions from the ground water stripping unit shall comply with the National
;"'-nbie..~t Air Quality Standard (NAAQS) under CAA, and disposal standards for spent carbon
:ilters shall meet RCRA requirements.
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RECORD OF DECISION
DUBLIN TCE SITE
DECLARATION
SITE NAME AND LOCATION
Dublin TCE Site, Alternate Water Supply Operable Unit
Dublin Borough, Bucks County, Pennsylvania
STATEMENT OF BASIS AND PURPOSE
This decision document presents the selected remedial action
for Operable Unit 1 (OU 1) of the Dublin TCE Site, in Dublin,
Pennsylvania, which was chosen in accordance with Comprehensive
Environmental Response, Compensation, and Liability Act of 1980
(CERCLA), as amended by the Superfund Amendments and
Reauthorization Act of 1986 (SARA), and, to the extent
practicable, the National Oil and Hazardous Substances Pollution
Contingency Plan (NCP). This decision document explains the
factual and legal basis for selecting the remedy for Operable
Unit 1 of this site.
The Commonwealth of Pennsylvania concurs with the selected
remedy. This unofficial concurrence is documented in a letter
from PADER to EPA, dated. September 12, 1991. The information
supporting this remedial action decision is contained in the
Administrative Record for this Site.
ASSESSMENT OF THE SITE
Actual or threatened releases of hazardous substances from
this Site, if not addressed by implementing the response action
selected in this Record of Decision (ROD), may present an
imminent and substantial endangerment to public health, welfare,
or the environment.
PESCRIPTION OF THE REMEDY
This Operable Unit is the first operable unit of at least
two operable units planned for the Site. This Operable Unit will
provide a permanent clean drinking water supply for the.
residences and businesses whose ground water has been or may
become contaminated by the site. This early action remedy will
be incorporated into the final action taken at the Site to
remediate the groundwater, soil, and surface water at the Site.
Operable unit Two (OU 2) will address the investigation and
remediation of the groundwater, surface water, and soil at the
Site.
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3 .
4.
5.
2
The major eemponents of the selected remedy include:
1.
Development, construction, and operation of a new water
supply well within the plume of contamination or
operation of an existing well within the plume of
contamination. Preference will be given to use of an
existing well so that this remedy can be implemented as.
quickly as possible, however, the decision on use of a
groundwater well will be made based on a review of all
relevant factors.
2.
construction and operation of an air stripping and
vapor phase carbon adsorption system (or similar
treatment technology which is acceptable to EPA after
consultation with PADER) for treatment of the water
extracted from the well described above. Treated
water, which does not exceed the Maximum contaminant
Levels (MCLs) for the contaminants of concern, shall be
supplied to the public water supply.
Expansion of the existing Dublin Borough public water
distribution system with use of the well and treatment
system described above to provide clean water,
according to the requirements of the Federal Safe
Drinking Water Regulations and the State Community
Environmental Control Regulations, through th~ public
water supply, to the affected and potentially affected
residences and businesses.
Monitoring of residential and commercial wells at homes
not addressed by the public water supply but which have
the potential for contamination until a final
groundwater remedy is implemented at the site.
Operation and maintenance of the selected remedy.
DECLARATION OF STATUTORY DETERMINATIONS
The selected remedy is protective of human health and the
environment, complies with Federal and State requirements that
are legally applicable or relevant and appropriate to the
remedial action, and is cost-effective. Although this interim
action is not intended to fully address the statutory mandate for
permanence and treatment to the maximum extent practicable, this
action utilizes treatment and thus is in furtherance of that
statutory mandate. Because this action does not constitute the
final remedy for the Site, the statutory preference for remedies
that employ treatment that reduces toxicity, mobility, or volume
as a principal element, although partially addressed in this
remedy, will be more fully addressed by the final response
action. Subsequent actions are planned to address fully the
threats posed by the conditions at this Site.
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3
Because this remedy will result in hazardous substances
remaining on-site above health-based levels, a review will be
conducted within five years after commencement of remedial action
to ensure that the remedy continues to provide adequate
prote~tion of ~uman health and the environment.
j
Or'"r' . ,',
,.. -; ,1 -
... v '..~' i " ;.
.( ,,'~ 7
~ . ..' ),' - -- -~-' --
EdiNin B.-Erickson
Regional Administrator
Region III
Date
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DUBLIN TCE SITE
RECORD OF DECISION
TABLE OF CONTENTS
I. Site Name, Location, and Description. . . .
. . .
. . . .
II. site History and Enforcement Activity. .
III. Highlights of Community Participation
. . .
. . . . .
. . . . .
. . . .
IV. Scope and Role of Operable Unit 1 .
. . .
. . . . .
. . .
V.
Summary of site Characteristics
. . . . .
. . . .
. . . .
VI. Summary of site Risks
. . . . .
. . .
. . . . .
. . . . .
VIII. Alternatives. . . . . . . . . . . . . . . . . . . . .
Alternative 1: NO ACTION. . . . . . . . . . . . . . . .
Alternative 2: CONNECTION TO THE EXISTING DUBLIN
BOROUGH MUNICIPAL WATER SUPPLY. . . . . . . . . .
Alternative 3: INSTALLATION OF A NEW WELL OR USE OF AN
EXISTING WELL OUTSIDE OF THE PLUME OF
CONTAMINATION. . . . . . . . . . . . . . . . . . .
Alternative 4: TREATMENT OF WATER FROM RESIDENTIA~ AND
BUSINESS WELLS WITH CARBON ADSORPTION SYSTEMS
Alternative 5: TREATMENT OF WATER FROM A NEW WELL OR AN
EXISTING WELL WITHIN THE PLUME WITH A CARBON
ADSORPTION SYSTEM. . . . . . . . . . . . . . . .
Alternative 6: TREATMENT OF WATER FROM A NEW WELL OR AN
EXISTING WELL WITHIN THE PLUME WITH AIR STRIPPING
AND VAPOR PHASE CARBON ADSORPTION. . . . . . . . .
Alternative 7: TREATMENT OF WATER FROM A NEW WELL OR AN
EXISTING WELL WITHIN THE PLUME WITH ULTRAVIOLET
(UV) OXIDATION. . . . . . . . . . . . . . . . . .
IX. Summary of the Comparative Analysis of Alternatives. . .
A. Overall Protection. . . . . . . . . . . . . . . . .
B. Compliance with ~pplicable or Relevant and
Appropriate Requirements (ARARs) ........
C. Long-Term Effectiveness and Permanence:. . . . . . .
D. Reduction of toxicity, mobility, or volume of the
contaminants through treatment: . . . . . . . . . .
E. Short Term Effectiveness: . . . . . . . . . . . . . .
F. Implementability . . . . . . . . . . . . . . . . . .

G. Cost. . . . . . . . . . . . . . . . . . . . . . . .

H. State Acceptance: . . . . . . . . . . . . . . . . . .
I.Community Acceptance: ................
x. Selected Remedy
. . . . . .
. . .
. . . . .
. . .
. . . .
1
1
5
5
6
7
8
9
9
12
15
17
20
24
28
28
. 29
30
31
32
33
34
34
34
34
l~p1n I r~q
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XI. statutory Determinations. . . . . . . . . . . . . . . .
A. Protectron of Human Health and the Environment. . .
B. Compliance with ARARs . . . . . . . . . . . . . . . .
1. Chemical-Specific ARARs . . . . . . . . . . . .
2. Location-Specific ARARs . . . . . . . . . . . .
3. Action-Specific ARARs . . . . . . . . . . . . .
C. Cost-Effectiveness. . . . . . . . . . . . . . . . .
D. Utilization of Permanent Solutions and Alternative
Treatment Technologies or Resource Recovery
Technologies to the Maximum Extent Practicable
E. Preference for Treatment as a Principle Element. . .
APPENDIX A- RESPONSIVENESS SUMMARY
APPENDIX B- ADMINISTRATIVE RECORD INDEX
APPENDIX C- ANALYTICAL RESULTS FROM REMOVAL ACTION
40
40
41
41
42
42
43
44
44
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1
I. site Name, Location, and Description
The Dublin TCE site is located at 120 Mill street in Dublin
Borough, Bucks County, Pennsylvania (Figure 1) approximately 400
feet west of state Route 313. The Site is located on
approximately 4 1/2 acres in size and is surrounded by residences
and businesses to the east, west and south. A fruit orchard
borders the site to the north and. west. The Site consists of one
one-story brick building surrounded by a parking lot. A fire
tower is located at the northern boundary of the property (Figure
2) .
The regional water supply primarily consists of private and
public wells. The aquifer is classified as Class IIA, a current
source of drinking water. Based on available information, the
ground water flows from southeast to northwest beneath the Site
and is controlled predominantly by fractures. Ground water
beneath the site flows towards residential and commercial wells
in Dublin Borough.
Site surface water drainage is expected to flow in a .
northwestward direction via street drainage because the majority
of the property is currently paved with asphalt. Drainage not
absorbed by the fruit orchard located directly northwest of the
site, is collected by a drainage ditch situated on the northern
corner of the property near the fire tower. The ditch is
believed to discharge into the headwaters of an unnamed perennial
tributary of Morris Run, located approximately 1/2 mile northwest
of the site.
Specific information concerning groundwater and surface
water flow will be confirmed during the Remedial Investigation/
Feasibility study (RIfFS) which is currently being performed by
one potentially responsible party.
II. Site History and Enforcement Activity
The site operated as a hosiery mill from the 1930s until
1956. Dublin Hosiery Mills operated the site from 1945 to 1956.
Home Window Company of Pennsylvania, Incorporated manufactured
aluminum doors and windows at the property from 1956 to 1959.
Kollsman Motor Corporation (KMC) owned and operated the site
from 1959 to 1971 and used it to manufacture miniature precision
motors, gear trains, clutches, brakes and related electro-
mechanical components which were used in manned aircraft and
missiles. Trichloroethylene (TCE) was used as a degreasing
solvent in this operation. Between 1959 and 1971, KMC used TCE
at the rate of approximately 15 gallons per week. Spent TCE was
disposed of at the Site in "chip" drums (i.e. drums used to store
waste metal parts from the manufacturing process) located behind
AR~O'f)61
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2
the building. These drums had drainage holes on the bottom so
that. the TCE drained out of the drums and onto the ground. TCE
was also poured on the ground behind the building. KMC sold the
property to Kollsman Instrument corporation (KIC) in 1971.
Athlone Industries, Incorporated (Athlone) purchased the
property from KIC in 1973 and operated the site from 1973 to
1986. Athlone used the property to clean, stamp, package and
store baseballs and softballs. safety Solvent No.2, a solvent
containing approximately 10% trichloroethylene was used in 1982
by Athlone as a degreasing solvent for the assembly of three
stamping machines. A partially full 30-gallon drum of this
solvent was left on the premises after Athlone sold the property
in 1986.
John H. Thompson purchased the property in 1986 and is the
current owner and operator of the Site. Mr. Thompson uses a
portion of the Site to restore antique race cars and leases a
portion of the site to Laboratory Testing, Incorporated. LTI
uses the property for metallurgical testing.
During a routine drinking water survey in the summer of
1986, the Bucks County Health Department (BCHD) discovered levels
of TCE up to 1000 parts per billion (ppb) in 23 tap wa~er
samples. Approximately 170 homes, apartments and businesses in
Dublin Borough were affected. BCHD issued advisories to the
public on the best approach to curtail water usage and prevent
further exposure to TCE. For residences with TCE levels greater
than 5 ppbi BCHD recommended the installation of carbon filters.
For TCE levels above 500 ppb, the County cautioned residents not
to use their tap water for bathing.
The EPA Region III Emergency Response section received a
request from the BCHD to evaluate the site on September 3, 1986.
A preliminary assessment, conducted by EPA, determined the
current water usage status of all residential and commercial
wells which were found to be contaminated with TCE.
On June 29, 1987, EPA entered into a CERCLA Section 106
Consent Agreement and Order with John H. Thompson. Mr. Thompson
agreed to: (1) take action to assure that all residents and
commercial employees exposed to TCE levels greater than 5 ppb
would have an adequate treatment system in place or would be
supplied with bottled water (as specified in the Work Plan
attached to the Consent Agreement and Order), (2) conduct
periodic monitoring of all carbon filters and air strippers being
used by the residences and businesses to assure that the units
were functioning properly, and (3) conduct periodic groundwater
monitoring of wells for all residences and businesses at risk in
accordance with the Work Plan.

This Consent Order and Agreement was amended in April 1991
AR301562
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3
to provide point-of~entry carbon filtration systems i.e.,
treatment systems installed on the water source entering the
household, to all residential dwellings with groundwater
contamination greater than 5 ppb TCE. At businesses, either
bottled water or point-of-use carbon filtration systems are
provided. This amendment addressed the risk posed by inhalation
of TCE vapors released from the groundwater. Residences that
were previously supplied with only point-of-use treatment systems
(i.e. treatment systems located at the kitchen tap) are now being
supplied with the point-of-entry systems. Residential well
testing conducted under this order indicated that groundwater is
contaminated with several volatile organic compounds (VOCs),
including trichloroethylene (TCE), tetrachloroethylene (PCE) and
vinyl chloride.
On June 4, 1990, the Commonwealth of Pennsylvania,
Department of Environmental Resources (PADER) and Sequa
corporation (successor in ownership to Kollsman Motor corporation
and Kollsman Instrument c0rporation) entered into a Consent Order
and Agreement under the Commonwealths' Clean Streams Act. Sequa
Corporation agreed to investigate and abate the groundwater
contamination problems at or near the Site in accordance with the
Work Plan attached to the Consent Order and Agreement. Under the
Consent Order and Agreement executed by Sequa and PADER, Sequa
also agreed to submit a Recommended Remedial Action Plan which
will address the contaminated groundwater and provide for a water
distribution system.
John H. Thompson, at the request of PADER, installed two
monitoring wells at the Site in 1988. Eight additional
monitoring wells were installed off of the 120 Mill Street
property under a separate study by Geraghty & Miller. The
monitoring wells installed both on-site as well as off-site show
contamination by volatile organic compounds, including TCE and
vinyl chloride. Three municipal supply wells located in the
Borough were tested for VOCs in 1991 by Dublin Borough for VOCs.
No contamination was detected in these wells.
Soil and soil gas at the 120 Mill Street property were
sampled during studies performed by John H. Thompson in 1988 and
Sequa Corporation in 1990 on behalf of PADER. Results indicated
that the soil and soil gas on the property are contaminated with
volatile organic compounds, including TCE and vinyl chloride.

The site scored a 28.9 under EPA's hazard ranking system.
It was proposed for inclusion on the CERCLA National Priorities
List (NPL) on October 26, 1989. The Site was finalized on the
NPL on August 30, 1990.
In 1991, EPA conducted a Focused Feasibility Study (FFS) for
Operable unit 1 at the site to evaluate remedial alternatives for
providing an alternate clean drinking water supply to the
aR301563
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4
affected and potentially affected residences and businesses
(referred to collectively as "affected parties") . The FFS
included the supply of an alternate water source to 69 homes and
businesses whose well water exceeded or had the potential, due to
groundwater flow, to exceed the Maximum Contaminant Levels (MCL)
set by EPA, or pose an excess cancer risk level of 1x10-06 or
greater for volatile organic compounds, including TCE, PCE and
vinyl chloride. The MCL is an enforceable drinking water
standard established within the Safe Drinking Water Act. If a
chemical did not have an MCL, EPA developed a 1X10-06 level «hich
may result in one excess cancer among one million people exposed
to the contaminant. Table 1 identifies the residences and
businesses where remedial action levels, i.e. , MCLs or 1X10-06
cancer risk levels, were exceeded or have the potential to be
exceeded. The FFS also identified residences and businesses
whose well may be contaminated by VOCs from the Site if a
groundwater remedial action is not implemented by 1995.
EPA issued a proposed plan ~n August 8, 1991 which described
the remedy EPA preferred to implement for OU 1, as well as 6
other alternatives. The remedy EPA preferred to implement was a
connection to the existing Dublin Borough water system, expansion
of the system to include a water supply well within the plume of
contamination, and treatment of this water with air stripping and
vapor phase carbon adsorption prior to distribution to~the .
affected parties. A request for an extension o~ an additional 30
days to the public comment period was made on August 13, 199~.
The public comment period was extended to October 9, 1991. After
the 60-day public comment period closed, EPA reevaluated the 7
alternatives within the proposed plan based upon comments
received. This record of decision (ROD) selects the remedial
alternative for Operable Unit One which was preferred in the
proposed plan.
EPA entered into a Consent Order and Agreement with Sequa
Corporation on August 15, 1991. This Consent Order and Agreement
requires Sequa Corporation to conduct a Remedial Investigation
(RI) and Comprehensive Feasibility Study (FS) at the Site. The
RIfFS is expected to be completed in 1993. This RIfFS will
address the groundwater, surface water and soils at the site.
EPA conducted potentially responsible party searches in 1987
and in 1990 and identified the following PRPs: Sequa Corporation
(successor in ownership of KMC and KIC), Athlone Industries,
Incorporated, and John H. Thompson. Sequa cOrPOration and John
H. Thompson were sent "special notice" letters on August 22,
1991. The letters indicated that EPA would not begin the
remedial investigation or feasibility study for the site until 90
days from the date of the special notice letter provided that the
potentially responsible parties agreed to implement the RIfFS. A
general notice letter was sent to Athlone Industries,
Incorporated on November 21, 1990 requesting participation in the
AR301564
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5
on-going negotiations between Sequa Corporation, John H. Thompson
and EPA for implementation of a RIfFS.

At least two federal lawsuits have been filed at the Site.
These include Whistlewood Commons Associates v. Sun Chemical
Corporation. Athlone Industries. Incorporated. and John H.
Thompson, united States District Court for the Eastern District
of Pennsylvania, civil Action No. 87-6407, and Susan Coburn.
etal. v. Sun Chemical Corporation. Athlone Industries.
Incorporated. and John H. Thompson, united states District Court
for the Eastern District of Pennsylvania, civil Action No. 88-
0120.
III. Highlights of community participation
In accordance with CERCLA section 117, the Proposed Plan and
the FFS for OU 1 were released to the public on August 8, 1991.
These two documents were made available to the public in the
Administrative Record for this site and the information
repository maintained at the Dublin Borough Hall located at 119
Maple Avenue in Dublin, PA and the EPA Docket Room in Region" III,
Philadelphia, PA. The notice of availability of these documents
was published in The Dailv Intelliqencer, The News Herald, The
Morninq Call, and The Philadelphia Inquirer on August 8, 1991.
In addition, a copy of the Proposed Plan was mailed to~ :
approximately 100 people who requested information concerning the
site.
Due to a request for an extension to the comment period, the
30-day public comment period was expanded to 60 days. The
comment period began on August 8, 1991 and was concluded on
October 9, 1991. The public was given additional opportunity to
comment on the Proposed Plan and Focused Feasibility Study at a
public meeting held at the Dublin Fire Hall on August 26, 1991.
At this meeting, representatives from EPA and PADER answered
questions and received comments about the Site, the remedial
alternatives under consideration and the proposed remedy. A
stenographic report of the public meeting was prepared by EPA. A
response to the comments received during the 60-day comment
period is included as part of this ROD in the Responsiveness
Summary (APPENDIX A).
The index for the Administrative Record, upon which this
decision document is based, is contained within APPENDIX B. This
decision document is also based upon comments contained within
the stenographic report of the public meeting on August 26, 1991
and other comments received by EPA, which are also included in
the Site file.
IV. Scope and Role of au 1
This record of decision addresses the first operable unit at
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6
the Site. The ROD for this operable unit addresses drinking
water. This remedial action provides an alternate water supply
for approximately seventy (70) residences and businesses affected
or potentially affected by the Dublin TCE Site contamination.
Table 1 lists the residences and businesses who will be supplied
by an alternate water source. The provision of an alternate
water supply will prevent the ingestion of and dermal contact
with contaminated groundwater and the inhalation of vapors from
contaminated groundwater. This remedial action also provides for
monitoring for VOCs of approximately (50) residential and
commercial wells which may be potentially impacted by the
groundwater contami~ation if a final groundwater remedy is not
implemented by 1995. Table 2 lists the residences and businesses
whose wells will be monitored.
The primary objective of this response is to supply clean
water to residences and businesses whose wells are currently or
potentially affected by the Dublin TCE site groundwater
contamination. The aquifer being used by the residences and
businesses at or near the Dublin TCE Si~e is classified as Class
IIA, a current source of drinking water, in accordance with the
EPA document "Guidelines for Groundwater Classification"( Final
Draft, December 1986). The primary risk to human health and the
environment is from ingestion of, and contact with, groundwater
from wells that contain contaminants above the MCLs established
under the Safe Drinking Water Act, 42 U.S.C. Sections 300f to
300j-26. The water supply must meet all federal and state
applicable or relevant and appropriate standards. The response
will address distribution of clean water to residences and
businesses whose water supply is affected or potentially affected
by contamination from the Site.
The remedy described in this ROD is only part of the total
remedy for the site. The remainder of the site is being
investigated as part of a remedial investigation and feasibility
study, the results of which will be presented at a later date and
used to select a remedy for the entire Site. The remedial
alternative selected in this ROD will be consistent with the
remedy selected for the entire Site.
v.
Summary of site Characteristics
All characteristics of the Dublin TCE Site will be fully
described and discussed after the Remedial Investigation and
Feasibility Study have been completed and a report of the
investigation and study are approved by EPA.

During former operations at the Dublin TCE Site, chemical
solvents were used to degrease machined metal parts and
equipment. The amount of solvent used between 1959 and 1971
amounted to approximately 15 gallons per week. A JO-gallon drum
of a solvent containing TCE was purchased for use during 1982 and
ttR30156fi
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the partially full drum was left at the 120 Mill Street property
at the time of the sale of the property to John H. Thompson.
The amount of solvent spilled or otherwise released into the
environment at the Dublin TCE Site is unknown. However, some of
the chemical solvent has migrated through the soil column and has
entere1 the ground water system beneath the facility. Chemical
sampling of ground water from wells on the Dublin TCE Site and
from wells near the Dublin TCE Site indicate that volatile
organic chemicals, including TCE, PCE and vinyl chloride, exist
in the ground water at levels of up to 10,000 ppb, 13 ppb and 28
ppb, respectively. TCE and PCE are probable human carcinogens
and vinyl chloride is a confirmed human carcinogen. These VOCs
are mobile and soluble in groundwater.
The bedrock beneath the Site is fractured. Ground water
moves predominantly through the fracture system. Therefore,
residential or other wells penetrating the same fractures or
fracture systems containing contaminated gr011nd water from the
Site may become contaminated. Some residential and commercial
wells are now contaminated by volatile organic compounds similar
to those found at the Dublin TCE Site, including TCE. John
Thompson has, under a Consent Order with EPA, installed activated
carbon units or supplied bottled water to homes and businesses
with TCE levels above 5 ppb to reduce these levels to safe
levels. EPA .has decided to develop ~nd screen remedial~ .
alternatives to provide a permanent supply of clean water to
residences and businesses near the Site and to select a remedial
alternative for an alternate water supply of drinking water in
this Record of Decision.
Between 1987 and 1990, a series of field investigations and
residential well monitoring at the Site confirmed the presence of
TCE in the soil and groundwater at and surrounding the Site.
These investigations were conducted by John H. Thompson, Sequa
Corporation and Roy F. Weston for PADER, EPA and the Whistlewood
Apartment Complex.
VI. Summary of Site Risks
Well sampling conducted under the Consent Order between Mr.
Thompson and EPA indicates that the untreated groundwater at
certain residences and businesses is contaminated with VOCs
including TCE, PCE and vinyl chloride at levels which exceed the
Maximum Contaminant Levels (MCLs) for these chemicals.
Residential and commercial well sampling has indicated TCE levels
up to 10,000 ppb, PCE levels up to 13 ppb and vinyl chloride
levels up to 28 ppb in the untreated groundwater. Degradation
products of TCE and PCE in addition to vinyl chloride have been
identified in the residential and commercial wells. These
chemicals include cis- and trans- 1,2- dichloroethylene, 1,1-
dichloroethylene, and 1,1- dichlorethane. 1,1,1 trichloroethane
AR30t5C7
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8
. .
has also been identified.
The MCL is an enforceable drinking water standard
established within the Safe Drinking Water Act. EPA will
initiate a remedial action if groundwater contains a particular
chemical above the standard, or MCL, for that chemical. If a MCL
has not been developed for a chemical, EPA will use other
criteria when considering the need for remedial action. For this
remedial action, EPA has used the established MCLs or the "excess
cancer risk level of lX10-06", i.e. one excess cancer among one
million people, to determine if remedial action is necessary.
The criteria, i.e. remedial action level, used by EPA which would
trigger the need for remedial action for this operabl3 unit and
the maximum levels identified at the Site are described in Table
3. The MCL has been exceeded for vinyl chloride,
trichoroethyene, tetrachloroethylene, and 1,1-dichloroethylene at
the affected residences and businesses near the Site. Therefore,
a remedial action is justified.
A summary of the most recent analytical data
residential wells is contained within APPENDIX C.
concentrations in the residential wells from 1986
are indicated in Figure 3.
from
Average TCE
to March 1991
VIII. Alternatives
This section of the ROD describes the process of screening
and developing remedial alternatives and discusses in detail each
of the seven alternatives evaluated in the proposed plan.
, The FFS studied and evaluated several options to determine
if they could be applicable for use in providing an alternate
water supply. The NCP requ~res that the "No Action" alternative
be evaluated. The technologies determined to be most applicable
to this action were developed into remedial alternatives. These
alternatives, presented and discussed below, are: ,
. Alternative 1:
. Alternative 2:
No Action
Connection to the Existing Dublin Borough
Municipal Water Supply
Installation of a New Well or Use of an
Existing Well Outside of the Plume of
contamination
Treatment of Water from Residential and
Business Wells with Carbon Adsorption
Systems
Treatment of Water from a New Well or
Existing Well within the Plume with
a Carbon Adsorption System
Treatment of Water from a New Well or
Existing Well within the Plume with Air
Stripping and Vapor-Phase Carbon Adsorption
. Alternative 3:
. Alternative 4:
. Alternative 5:
. Alternative 6:
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. Alternative 7: Treatment of Water from a New Well or
Existing Well within the Plume with UV
Oxidation
Applicable or relevant and appropriate requirements (ARARs)
which are identified for this remedial action are listed in Table
4. Major ARARs pertaining to each alternative are identified in
the alternative description sections below.
Alternative 1: NO ACTION
The NCP requires that the "No Action" alternative be
evaluated at every site to establish a baseline for comparison
with the other alternatives. Under this alternative, EPA would
discontinue the monitoring program and discontinue the supply of
bottled water or carbon adsorption units to the affected parties.
As a result, residences and businesses would use water
contaroi.nated with volatile organic compounds. Because VOCs exist
at levels above the MCL and/or the cancer risk level of 1X10-06,
public health would not be protected under the "No Action"
alternative. Alternative 1 does not satisfy the primary
objective of this ROD.
Alternative 2: CONNECTION TO THE EXISTING DUBLIN BOROUGH
MUNICIPAL WATER SUPPLY
The general components of this alternative are:
A.
C.
D.
E.
Connecting affected parties into an extension of the
Dublin Borough municipal water system.
B.
Removing existing carbon units or discontinuing bottled
water service for the affected residences and
businesses and disposing of the carbon units in
accordance with all Federal and state regulations.
Abandoning affected and potentially affected wells
within the plume of contamination and/or implementing
institutional controls on the development and use of
private wells within the plume of contamination.

Conducting periodic sampling and monitoring at certain
residences and businesses not connected into the Dublin
system to ensure that these homes do not become
affected by contamination from the site.
Conducting periodic monitoring of the Dublin Borough
supply wells for volatile organic compounds to ensure
that these wells do not become affected by
contamination from the site.
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The Borough of Dublin operates a municipal water supply and
public water distribution system. This alternative involves
expanding the existing public water distribution system and
supplying the affected parties with uncontaminated water from the
existing water supply. The affected parties currently obtain
water from private wells. The existing municipal water supply is
supplied by three wells, Well #1, Well #2, and Well #3 (Figure
3). The capacity of the existing water supply system would need
to be increased by approximately 50 gallons per minute (gpm) to
supply the affected parties. The existing water supply is
permitted by the Pennsylvania Department of Environmental
Resources (PADER) and the Delaware River Basin Commission (DRBC)
for this additional capacity.
The water would be distributed to the affected parties
through water mains constructed along North Main Street, Mill
street and a portion of Elephant Road (see Figure 3). A
connection could be made to the Dublin water distribution system
at the intersection of Elephant Road and Deep Run Road. Water
mains woulu be extended from this point south along Elephant Road
to Main Street, and then north along North Main street to
Rickerts Road. A main would also be installed along Mill street
from North Main street to Cherry Lane to supply residences along
Mill street and on the northside of Maple Avenue to Cherry Lane.
Each affected party would be connected to the water main and the
water use would be metered.
Dublin Borough Ordinance No. 164, requires that private
wells be abandoned, as a general rule, when a borough water line
exists to service a home or business. The Borough Ordinance
does, however, exclude those residents and business owners and
operators, who have utilized private wells prior to the
construction of the borough water line.
Under this alternative, the existing residential wells would
be abandoned and the existing in-house carbon filters would be
removed unless an agreement is reached between the property owner
and the Borough for continued use of the private well. If the
property owner reached such an agreement, the property owner
would maintain the in-house treatment system. These carbon
filters would be disposed of in accordance with the Federal
Resource Conservation Recovery Act (RCRA) and Pennsylvania's
Solid Waste regulations with preference given to recycling or
regenerating this filters, if possible. These regulations are
considered applicable. The spent carbon filters would be
considered a RCRA characteristic waste if the toxic
characteristic leaching procedure (TCLP) analysis performed on
this waste resulted in a VOC concentration greater that 0.5 parts
per'million. otherwise, the ~aste would be disposed of in
accordance with RCRA Subtitle D regulations.
Under this alternative, the water mains and associated
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11
equipment would be
Department for its
water usage by the
provide sufficient
extension.
transferred to the, Dublin Borough Water
use. The affected parties would be billed for
Borough at the standard rate, which would
revenue to finance the O&M for the water line
This alternative does not include provisions for additional
system capacity to serve new development in the area not affected
or potentially affected by the Site. This option does not
provide for additional fire protection, i.e., more protection
than residences currently have.
Under the Federal Safe Drinking Water Act (SDWA) and
Pennsylvania's Safe Drinking Water Regulations (PASDWR), which
are applicable requirements, the Borough would be required to
sample the wells which supply the water distribution system
periodically to ensure that all criteria identified within these
regulations are met.
In addition, because these wells are out~ide the plume of
contamination and the plume has not been fully defined,
monitoring for VOCs on a quarterly basis would be necessary to
ensure that the contamination from the site does not spread to
these wells. This monitoring will be required at least until a
final ground water remedy is implemented at the Site. . .
Because Well #3 is downgradient of the site and is a well
open to many bedrock fractures, there is a possibility that this
well may become affected by the contamination from the Site.
Also, even though the other wells (Wells #1 and #2) are located
upgradient of the Site, increased pumping from these wells may
spread the contamination by redirecting the natural groundwater
flow. If contamination did spread to Well #1, Well #2, or Well
#3, a treatment system would be required so that water discharged
from these wells meets all of the requirements of SDWA and
PASDWR.
This alternative would provide the residences and businesses
with a permanent, regulated water supply. This would ensure that
the residences and businesses are supplied with a safe, clean
drinking water source that meets all Federal and State drinking
water regulations.
The estimated costs for this alternative are presented
below. Detailed cost information is provided in the Focused
Feasibility Study. The costs assume that each of the residences
and businesses listed in Table 1 would be connected to the water
main and that the wells at the residences and businesses listed
in Table 2 would be monitored on a quarterly basis for volatile
organic compounds until a final groundwater remedy is implemented
at the Site. The present worth costs are based on a 30 year life
and a 10% discount rate. The 'estimated time for implementation
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of this alternative. is 6 to 12 months.
.. Capital Costs: $2,200,000
. Annual 0 & M Costs: $138,000
. Present Worth: $2,600,000
Alternative 3: INSTALLATION OF A NEW WELL OR USE OF AN
EXISTING WELL OUTSIDE OF THE PLUME OF
CONTAMINATION
The general components of this alternative are:
A.
B.
C.
D.
D.
Constructing a new water supply well or using an
existing water supply well outside of the plume of
contamination and incorporating this well into the
existing Dublin Borough municipal water distribution
system.
connecting the affected parties into an extension of
the Dublin Borough municipal water system and
supplementing the current capacity of the existing
Borough supply system with enough water from the well
described in A to supply the these residences and
businesses.
Removing existing carbon units or discontinuing bottled
water service for the affected residences and
businesses and disposing of the carbon in accordance
with all Federal and State regulations.
Abandoning affected and potentially affected wells
within the plume of contamination and/or implementing
institutional controls on the development and use of
private wells within the plume of contamination.

Conducting periodic sampling and monitoring at certain
residences and businesses not connected into the Dublin
system to ensure that these homes do not become
affected by contamination from the site.
Conducting periodic sampling and monitoring of the new
water supply well to ensure that this well does not
become affected by contamination from the site.

This option involves construction of a new water supply well
or use of an existing private well outside the plume of
contamination. Water from this well would be pumped into an
expanded Dublin Borough water distribution system. A submersible
pump capable of delivering approximately 50 gallons per minute
(gpm) at the required system pressure would be installed in the
E.
AR30157?
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13
well. This well pump would be operated at a rate necessary to
supply only the affected parties and would supplement the
existing system with the required additional water. A water line
would be installed from the well to the borough's storage tank
facility located on South Main Street or another storage facility
specifically constructed for the water discharged from this well.
The well water would supplement the water currently being
supplied to the borough's storage tank facility by the three
existing municipal wells (Figure 3).
The water would be distributed to the affected parties
through water mains constructed along North Main Street, Mill
Street and a portion of Elephant Road. A connection could be
made to the Dublin water distribution system at the intersection
of Elephant Road and Deep Run Road. Water mains would be
extended from this point south along Elephant Road to Main
Street, and then north along North Main Street to Rickerts Road.
A main would also be installed along Mill Street from North Main
Street to Cherry Lane to supply residences along Mill Street and
the northside of Maple Avenue to Cherry Lane. Each affected
party would be connected to the water main and the water use
would be metered.
Dublin Borough Ordinance No. 164, requires that private
wells be abandoned, as a general rule, when a borough water line
exists to service a home or business. The Borough Ordinance
does, however, exclude those residents and business owners and
operators, who have utilized private wells prior to. the
construction of the borough water line.
Under this alternative, the existing residential wells
would be abandoned and the existing in-house carbon filters would
be removed unless an agreement is reached between the property
owner and the Borough for continued use of the private well. If
the property owner reached such an agreement, the property owner
would maintain the in-house treatment system. These carbon
filters would be disposed of in accordance with the Federal
Resource Conservation Recovery Act and Pennsylvania's Solid Waste
regulations with preference given to recycling or regenerating
this filters, if possible. These regulations are considered
applicable because the spent carbon filters would be considered a
RCRA characteristic waste if the toxic characteristic leaching
procedure (TCLP) analysis performed on this waste resulted in a
VOC concentration greater that 0.5 parts per million. Otherwise,
the waste would be disposed of in accordance with RCRA Subtitle D
regulations.
Under this alternative, the well, water mains and associated
equipment would be transferred to the Dublin Borough.Water
Department for its use. The affected parties would be billed for
! .-_.~ -=;: l",
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14
water usage by the Borough at the standard rate, which would
provide sufficient revenues to finance the O&M for the supply
well and the water line extension.
This alternative does not include provisions for additional
system capacity to serve new development in the area not affected
or potentially affected by the site. This option does not
provide for additional fire protection, i.e., more protection
than residents currently have.
Under the Federal Safe Drinking Water Act and Pennsylvania's
Safe Drinking Water Regulations, which are applicable
requirements, the Borough would be required to sample the wells
which supply their system, including the new well, to ensure that
all criteria identified within these regulations are met.
The location of a new well or use of an existing well would
be determined during the remedial design phase of remedy
implemen~ation. Because this new well would be outside the plume
of contamination, a potential exists for the contamination from
the Site to spread to this well. This potential will be reduced
by properly locating and designing the well during the remedial
design phase. Monitoring of this well for VOCs on a quarterly
basis would be necessary to ensure that the contamination from
the Site does not spread to this well. This monitoring~will be
required at least until a final ground water remedy is
implemented at the Site.
This alternative would provide the residences and businesses
with a permanent, regulated water supply. This would ensure that
the residences and businesses are supplied with a safe, clean
drinking water source that meets all Federal and State drinking
water regulations.
The estimated costs for this alternative are presented
below. Detailed cost information is provided in the Focused
Feasibility study. The costs assume that each of the residences
and businesses listed in Table 1 would be connected to the water
main and supplied with water from the new well and that the wells
at the residences and businesses listed in Table 2 would be
monitored on a quarterly basis for volatile organic compounds
until a final groundwater remedy is implemented at the Site. The
present worth costs are based on a 30 year life and a 10%
discount rate. The project would be technically feasible and
implementable. The estimated time for implementation of this
alternative is 9 to 12 months.
. Capital Costs: $2,600,000
. Annual 0 & M Costs: $169,000
. Present Worth: $3,300,000
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Alternative 4: TREATMENT OF WATER FROM RESIDENTIAL AND
COMMERCIAL WELLS WITH CARBON ADSORPTION
SYSTEMS
The general components of this alternative are:
B.
C.
D.
A.
providing the affected and potentially affected
residences with point-of-entry individual granular
activated carbon (GAC) treatment units and providing
affected and potentially affected businesses with
either point-of-use carbon treatment systems or bottled
water.
Maintaining the treatment systems by periodically
monitoring the influent and effluent from the
systems and replacing the spent carbon, as necessary.

Removing or installing a bypass system' around the
existing GAC units or discontinuing bottled water
service for the affected parties and disposing of the
carbon in accordance with all Federal and State
regulations once the groundwater is completely
remediated.
Conducting periodic sampling and monitoring at selected
residences and businesses not connected into the Dublin
system until a final groundwater remedy is implemented
to ensure that these residences do not become affected
by contamination from the site.
In this alternative, continued individual GAC unit or
bottled water service would be provided to the residential and
commercial wells currently monitored under the Order between John
H. Thompson and EPA in addition to the additional homes and
businesses identified as potentially affected by the
contamination (see Table 1). The treatment system for private
residences with 5 ppb or greater of TCE would include a point-of-
entry system. The untreated and treated water would be sampled
periodically. Businesses would be supplied with either bottled
water or a point-of-use carbon treatment system and would be
monitored periodically. Treated water would meet all Federal and
State drinking water quality standards for the VOCs identified at
the Site.
The GAC adsorption system would include two beds of carbon
operating in series. The GAC adsorption process involves
contacting the contaminated groundwater with activated carbon.
The organic molecules contacting the activated carbon particle
surface would be held there by physical or chemical forces. Once
the carbon is saturated with organics, the spent carbon must be
I' ,-
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16
either removed and replaced with virgin or off-site-regenerated
carbon or the spent carbon must be regenerated on-site. It was
assumed that the spent carbon would be removed and replaced with
either virgin or off-site-regenerated carbon. Spent carbon would
be disposed of or treated in accordance with Federal Resource
Conservation Recovery Act and Pennsylvania's Solid Waste
regulations. These regulations are considered applicable because
the spent carbon filters may be considered a RCRA characteristic
waste if the TCLP analysis performed on this waste resulted in a
VOC concentration greater than 0.5 parts per million. otherwise,
the waste would be disposed of in accordance with RCRA Subtitle D
regulations.
Operation and maintenance of the in-house carbon systems
would be required until the final ground water remediation is
complete. At that time, the units could be removed or bypassed.
These carbon filters would be disposed of in accordance with all
Federal and State regulations. The operation and maintenance
(O&M) of "the system must be the responsibility of some agreed-
upon authority. This authority must be able ~o gain access to
the homes-to complete O&M and sampling. This authority would be
responsible for routinely sampling the water effluent from the
treatment systems at the individual residences and businesses to
ensure that all criteria related to the contamination ~t the site
are met. Because this alternative would require treatment of
water prior to discharge to the individual residence or business,
periodic monitoring of the effluent from the treatment system
would be necessary to ensure that the treatment equipment is
functioning properly.
Because this is not a public distribution system, monitoring
and treatment would be provided only for contaminants related to
the Site.
The estimated costs for this alternative are presented
below. Detailed cost information is provided in the Focused
Feasibility study. The costs assume that each of the residences
and businesses listed in Table 1 would be supplied with a
individual GAC treatment systems or bottled water, as
appropriate, and residences and businesses listed in Table 2
would be monitored on a quarterly basis for volatile organic
compounds until a final groundwater remedy is implemented at the
Site. The present worth costs are based on a 30 year life and a
10% discount rate. This remedy would be technically feasible and
implementable. The estimated time for implementation of this
alternative is 1 to 2 months.
. Capital Costs: $100,000
. Annual 0 & M Costs: $390,000
. Present Worth: $2,800,000
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17
Alternative 5: TREATMENT AND SUPPLY OF WATER FROM A NEW WELL OR
AN EXISTING WELL WITHIN THE PLUME WITH
A CARBON ADSORPTION SYSTEM
The general components of this alternative are:
B.
C.
D.
E.
F.
A.
Developing, constructing, and operating a new
water supply well within the plume of contamination or
operation of an existing well within the plume of
contamination and incorporating this well into the
existing Dublin Borough municipal water distribution
system.
Constructing and operating of liquid-phase GAC carbon
adsorption system for treatment of the water extracted
from the well described above.
Connecting the affected parties into an extension of
the Du~lin Borough municipal water system and
supplementing the current capacity of the existing
Borough supply system with enough treated water from
the well described in A to supply the these residences
and businesses.
Removing existing carbon units or discontinui~g'bottled
water service for the affected residences and
businesses and disposing of the carbon in accordance
with all Federal and State regulations.
Abandoning affected and potentially affected wells
within the plume of contamination and/or implementing
institutional controls on the development and use of
the wells within the plume of contamination.
Monitoring of residential and commercial wells at homes
not addressed by the public water supply but which have
the potential for contamination.
This option involves construction of a new water supply well
or use of an existing private well inside the plume of
contamination, treating the groundwater by removing the volatile
organic compounds.
A submersible pump capable of delivering approximately 50
gallons per minute (gpm) at the required system pressure would be
installed in the well. The well water would be pumped to an
granular activated carbon (GAC) adsorption system located at the
ground surface. This well pump would be operated at a rate
necessary to supply the affected parties and would supplement the
existing system with the required additional water. A water line
~R301577
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18
would be installed from the discharge of the GAC adsorption
system to the borough's storage tank facility located on South
Main Street or another storage facility specifically constructed
for the water discharged from this well.
The GAC adsorption system would include two beds of carbon
operating in series. The GAC adsorption process involves
contacting the contaminated groundwater with activated carbon.
The organic molecules contacting the activated carbon particle
surface would be held there by physical or chemical forces. Once
the carbon is saturated with organics, the spent carbon must be
either removed and replaced with virgin or off-site-regenerated
carbon or the spent carbon must be regenerated on-site. It was
assumed, for costing purposes, that the spent carbon would be
removed and replaced with either virgin or off-site-regenerated
carbon. A final design cost may provide information indicating
that on-site regeneration of carbon is more economical. The
carbon filtration system would treat the water to comply with
Federal and State drinki~g water quality standards. Spent carbon
would be disposed of or treated in accordance with all Federal'
and State regulations.
One limitation in using GAC treatment involves the
adsorption of vinyl chloride. Vinyl chloride is a degradation
product of TCE and has been identified in the groundwater at the
Site. Large quantities of GAC are necessary for the adsorption
of vinyl chloride. Therefore, as the cJncentration of vinyl
chloride in the groundwater increases with increased degradation
of TCE, an increase in the quantity of GAC necessary for
treatment of the contaminants would be required.
The treated water, initially pumped to the Borough's
storage facility or similar facility, would be distributed to the
affected parties through water mains constructed along North Main
Street, Mill Street and a portion of Elephant Road. A connection
could be made to the Dublin water distribution system at the
intersection of Elephant Road and Deep Run Road. Water mains
would be extended from this point south along Elephant Road to
Main Street, and then north along North Main street to Rickerts
Road. A main would also be installed along Mill street from
North Main street to Cherry Lane to supply residences along Mill
Street and properties on the northside of Maple Avenue to Cherry
Lane. Each affected party would be connected to the water main
and the water use would be metered.
The location of a new well or use of an existing well would
be determined during the remedial design phase of remedy
implementation.
Dublin Borough Ordinance No. 164, requires that private
,nR,JO'S~ft
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19
wells be abandoned, as a general rule, when a borough water line
exists to service a home or business. The Borough Ordinance
does, however, exclude those residents and business owners and
operators, who have utilized private wells prior to the
construction of the borough water line.
Under this alternative, the existing residential wells would
be abandoned and the existing in-house carbon filters would be
removed unless an agreement is reached between the property owner
and the Borough for continued use of the private well. If the
property owner reached such an agreement, the property owner
would maintain the in-house treatment system. These carbon
filters would be disposed of in accordance with the Federal
Resource Conservation Recovery Act and Pennsylvania's Solid Waste
regulations with preference given to recycling or regenerating
this filters, if possible. These regulations are considered
applicable because the spent carbon filters may be considered a
RCRA characteristic waste if the TCLP analysis performed on this
waste resulted in a VOC concentration greater than 0.5 parts per
million. Otherwise, the waste would be disposed of in accordance
with RCRA Subtitle D regulations.
Under this alternative, the water mains and associated
equipment would be transferred to the Dublin Borough Water
Department for its use. The party implementing the remedy
(either the PRPs or the Commonwealth of Pennsylvania under a
State Superfund Contract) will assure that the remedy is properly
operated and maintained. Operation and maintenance of the well
and carbon system would be required until the final groundwater
remediation is complete. Once remediation is complete, the
carbon filtration system could be bypassed or removed and the
well could continue to be used to supply the residents.
Agreements would be necessary between Dublin Sorough, the party
implementing the remedy and the well or property owner for access
to the well. The affected parties would be billed for water
usage by the Borough at the standard rate, which ,would provide
sufficient revenues to finance the O&M for the supply well and
the water line extension.
This alternative does not include provisions for additional
system capacity to serve new development in the area not affected
or potentially affected by the site. This option does not
provide for additional fire protection, i.e., more protection
than residents currently have.
Under the Federal Safe Drinking Water Act and Pennsylvania's
Safe Drinking Water Regulations, which are applicable
requirements, the Borough would be required to sample the wells
which supply their system, including the new well, to ensure that
all criteria identified within these regulations are met.
AR30\579
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I
20
Because this alternative would require treatment of water
prior to discharge to the water storage facilities, periodic
monitoring of the effluent from the treatment system would be
necessary to ensure that treatment equipment is functioning
properly.
This alternative would provide the residences and businesses
with a permanent, regulated water supply. This would ensure that
the residences and businesses are supplied with a safe, clean
drinking water source that meets all Federal and state drinking
water regulations.
The estimated costs for this alternative are presented
below. Detailed cost information is provided in the Focused
Feasibility Study. The costs assume that each of the residences
and businesses listed in Table 1 would be connected to the water
main and that the wells at the residences and businesses listed
in Table 2 would be monitored on a quarterly basis for volatile
organic compounds until a final groundwater remedy is implemented
at the site. The present worth costs are based on a 30 year life
and a 10% discount rate. This alternative is technically
feasible and implementable. The estimated time for implementation
of this alternative is 12 to 15 months.
..
. Capital Costs: $3,000,000 .
. Annual Operation and Maintenance (0 & M) .Costs: $250,900
. Present Worth: $4,500,000
Alternative 6:
TREATMENT OF WATER FROM A NEW WELL OR AN
EXISTING WELL WITHIN THE PLUME WITH AIR
STRIPPING AND VAPOR-PHASE CARBON
ADSORPTION
The general components of this alternative are:
A.
Developing, constructing, and operating of a new water
supply well within the plume of contamination or
operation of an existing well within the plume of
contamination and incorporating this well into the
existing Dublin Borough municipal water supply
system.

Constructing and operating an air stripping and
vapor-phase carbon adsorption system for treatment of
the water extracted from the well described above.
B.
C.
Connecting the affected parties into an extension of
the Dublin Borough municipal water system and
supplementing the current capacity of the existing
AR301580
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21
. .
Borough supply system with enough water from the well
described in paragraph A, above, to supply the
residences and businesses.
D.
Removing existing carbon units or discontinuing bottled
water service for the affected residences and
businesses and disposing of the carbon in accordance
with all Federal and State regulations.
E.
Abandoning affected and potentially affected wells.
within the plume of contamination and/or implementing
institutional controls on the development and use of
the wells within the plume of contamination.
F.
Monitoring of residential and commercial wells at homes
not addressed by the public water supply but which have
the potential for contamination until a final
groundwater remedy is implemented. .
This option involves constru~tion of a new water supply well
or use of an existing private well inside the plume of
contamination.
A submersible pump capable of delivering approximately 50
gallons per minute (gpm) at the required system pressure would be
installed in the well. The well water would be pumped to an air
stripper located at the ground surface. This well pump would be
operated at a rate necessary to supply the affected parties and
would supplement the existing system with the requir~d additional
water. A water line would be installed from the discharge of the
air stripper to the borough's storage tank facility located on
South Main Street or another storage facility specifically
constructed for the water discharged from this well.
A packed tower air stripper with countercurrent flow would
be used to treat the contaminated groundwater. The contaminated
groundwater would be pumped to the top of the tower and fed down
by gravity through the loosely packed fill material in the tower.
As the water moves through the packing, air would be forced
through the packing from the base of the tower, and VOCs would be
transferred from the water to the air. The air stripping system
would treat the water to comply with Federal and State drinking
water quality standards. This alternative assumes that liquid-
phase GAC adsorption would not be necessary to further treat the
effluent from the air stripper.
The contaminated air stream discharged from the air stripper
would be treated in a vapor-phase GAC adsorption system prior to
discharge to the atmosphere. The discharged air would meet the
applicable requirements under the RCRA and Pennsylvania's Air
AR30\58\
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22
Quality Control Regulations. The GAC adsorption system would
include two beds of carbon operating in series. The vapor-phase
GAC adsorption process is identical to the process described for
liquid-phase GAC described in Alternative 5 except a gas (air) is
passed through the carbon beds instead of a liquid (water). It
was assumed, for costing purposes, the spent carbon would be
removed and replaced with either virgin or off-site regenerated
carbon. A final design cost may provide information indicating
that on-site regeneration of carbon is more economical. Spent
carbon would be disposed of or treated in accordance with the
applicable Federal RCRA and State Solid Waste Management
regulations.
The water, once pumped to the Borough's storage facility or
similar storage facility, would be distributed to the affected
parties through water mains constructed along North Main Street,
Mill Street and a portion of Elephant Road. A connection could
be made to the Dublin water distribution system at the
intersection of Elephant Road and Deep Run Roa~. Water mains
would be extended from this point south along Elephant Road to
Main Street, and then north along North Main Street to Rickerts
Road. A main would also be installed along Mill Street from North
Main Street to cherry Lane to supply residences along Mill Street
and properties on the northside of Maple Avenue to Cherry Lane.
Each affected party would be connected to the water main and the
water use would be metered.
The location of a new well or use of an existing well would
be determined during the remedial design phase of remedy
implementation.
Dublin Borough Ordinance No. 164, requires that private
. wells be abandoned, as a general rule, when a borough water line
exists to service a home or business. The Borough Ordinance
does, however, exclude those residents and business owners and
operators, who have utilized private wells prior to the
construction of the borough water line.
Under this alternative, the existing residential wells would
be abandoned and the existing in-house carbon filters would be
removed unless an agreement is reached between the property owner
and the Borough for continued use of the private well. If the
property owner reached such an agreement, the property owner
would maintain the in-house treatment system. These carbon
filters would be disposed of in accordance with the Federal
Resource Conservation Recovery Act and Pennsylvania's Solid Waste
regulations with preference given to recycling or regenerating
this filters, if possible. These regulations are considered
applicable because the spent carbon filters may be considered a
RCRA characteristic waste if the TCLP analysis performed on this
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23
waste results in a VOC concentration greater than 0.5 ppm.
otherwise, the waste would be disposed of in accordance with RCRA
subtitle D regulations.
Under this alternative, the water mains and associated
equipment would be transferred to the Dublin Borough Water
Department for its use. The party implementing the remedy (either
the PRPs or the Commonwealth of Pennsylvania under a state
Superfund Contract) will assure that the remedy is properly
operated and maintained. operation and maintenance of the well,
air stripper and vapor-phase GAC adsorption system would be
required until the final groundwater remediation is complete.
Once remediation is complete, the air stripper and GAC adsorption
system could be bypassed or removed and the well could continue
to be used to supply the residents. An agreement would be
necessary between Dublin Borough, the party implementing the
remedy and the well or property owner for access to the well.
The affected parties would be billed for water usage by the
Borough at the standard rate, which would provide sufficient
revenues to finance the O&M for the supply well and the water
line extension.
This alternative does not include provisions for additional
system capacity to serve new development in the area not affected
or potentially affected by the Site. This option does ~ot
provide for additional fire protection, i.e., more protection
that residents currently have.
Under the Federal Safe Drinking Water Act and Pennsylvania's
Safe Drinking Water Regulations, which are applicable
requirements, the Borough would be required to sample the wells
which supply their system, including the treated water from the
new well, to ensure that all criteria identified within these
regulations are met.
Because this alternative would require treatment of water
prior to discharge to the water storage facilities, periodic
monitoring of the effluent from the treatment system would be
necessary to ensure that treatment equipment is functioning
property.
This alternative would provide the residences and businesses
with a permanent, regulated water supply. This would ensure that
the residences and businesses are supplied with a safe, clean
drinking water source that meets all Federal and state drinking
water regulations.

The estimated costs for this alternative are presented
below. Detailed cost information is provided in the Focused
Feasibility study. The costs assume that each of the residences
AR30\583
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24
and businesses affected or potentially listed in Table 1 would be
connected to the water main and that the wells at the residences
and businesses listed in Table 2 would be monitored on a
quarterly basis for volatile organic compounds until a final
groundwater remedy is implemented at the Site. The present worth
costs are based on a 30 year life and a 10% discount rate. This
alternative is technically feasible and implementable. The
estimated time for implementation of this alternative is 12 to 15
months.
. capital Costs: $3,100,000
. Annual Operation and Maintenance (0 & M) Costs: $300,000
. Present Worth: $5,000,000
Alternative 7: TREATMENT OF WATER FROM A NEW WELL OR AN
EXISTING WELL WITHIN THE PLUME WITH
ULTRAVIOLET (UV) OXIDATION
The general components of this alternative are:
A.
B.
C.
D.
E.
F.
Developing, constructing, and operating of a new
water supply well within the plume of contamination
or operation of an existing well .within the plume of
contamination and incorporating this wellinbo the
existing Dublin Borough municipal water distribution
system.
Demonstration of UV oxidation technology during a
treatability study to be conducted at the Site.
Constructing and operating an UV oxidation system,
based on information obtained during the treatability
study, for treatment of the water extracted from the
well described above.
Connecting the affected parties into an extension of
the Dublin Borough municipal water system and
supplementing the current capacity of the existing
Borough supply system with enough treated water from
the well described in paragraph A, above, to supply the
these residences and businesses.
Removing existing carbon units or discontinuing bottled
water service for the affected residences and
businesses and disposing of the carbon in accordance
with all Federal and State regulations.

Abandoning affected and potentially affected wells
within the plume of contamination and/or implementing
institutional controls on the development and use of
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25
private wells within the plume of contamination.
.G.
Monitoring of residential and commercial wells at homes
not addressed by the public water supply but which have
the potential for contamination until a final
groundwater remedy is implemented.
This option involves construction of a new water supply well
or use of an existing private well inside the plume of
contamination and treating the groundwater by destroying the
volatile organic compounds. A submersible pump capable of
delivering approximately 50 gallons per minute (gpm) at the
required system pressure would be installed in the well. The
well water would be pumped to an ultraviolet oxidation system
located at the ground surface. This well pump would be operated
at a rate necessary to supply the affected parties and would
supplement the existing system with the required additional
water. A water line would be installed from the discharge of the
UV oxidation system to the borough's storage tank faciJity
located on South Main Street or another s~urage facility
specifically constructed for the water discharged from this well.
UV oxidation would destroy the VOCs present in the
contaminated groundwater. This technology uses UV radiation
alone or in tandem with ozone and/or hydrogen peroxide ~o.oxidize
organics. The contaminated groundwater is fed from the well into
the reactor, which contains the UV lamps. In the reactor,
hydrogen peroxide and ozone may be injected, if required. The
ozone is generated through the ozone generator using air or
liquid oxygen as the source. Under the influence of ultraviolet
light, the ozone and hydrogen peroxide are converted into
hydroxyl radicals (OH-). The hydroxyl radicals generated or the
ozone, hydrogen peroxide, or UV radiation would oxidize the
organics to carbon dioxide, water and salts. Ozone which is not
transferred to the reaction would be destroyed in an ozone
decomposition unit. This alternative assumes that additional
treatment such as liquid-phase GAC adsorption would not be
necessary to further treat the effluent from the UV oxidation
unit.
The discharged air from the decomposition unit would meet
the applicable Federal Clean Air Act, RCRA and the Pennsylvania
Air Quality Control Regulations.
Because UV oxidation technology is a relatively new
technology and it has not been demonstrated at the Site, a
treatability study would be required prior to full-scale
implementation. This treatability study would provide
information on design criteria and costs necessary for full-scale
implementation. It is estimated that the treatability study
A.R30 1585
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26
.'
would take six months to complete.
The water, once pumped to either the Borough's storage
facility or similar facility, would be distributed to the
affected parties through water mains constructed along North Main
street, Mill street and a portion of Elephant Road. A connection
could be made to the Dublin water distribution system at the
intersection of Elephant Road and Deep Run Road. Water mains
would be extended from this point south along Elephant Road to
Main street, and then north along North Main Street to Rickerts
Road. A main would also be installed along Mill street from
North Main street to Cherry Lane to supply residences along Mill
street and properties on the northside of Maple Avenue to Cherry
Lane. Each affected party would be connected to the water main
and the water use would be metered.
The location of a new well or use of an existing well would
be determined during the remedial design phase of remedy
implementation.
Dublin Borough Ordinance No. 164, requires that private
wells be abandoned, as a general rule, when a borough water line
exists to service a home or business. The Borough Ordinance
does, however, exclude those residents and businessowAers and
operators, who have utilized private wells prior to the
construction of the borough water line.
Under this alternative, the existing residential wells would
be abandoned and the existing in-house carbon filters would be
removed unless an agreement is reached between the property owner
and the Borough for continued use of the private well. If the
property owner reached such an agreement, the property owner
would maintain the in-house treatment system. These carbon
filters would be disposed of in accordance with the Federal
Resource Conservation Recovery Act and Pennsylvania's Solid Waste
regulations with preference given to recycling or regenerating
this filters, if possible. These regulations are considered
applicable because the spent carbon filters may be considered a
RCRA characteristic waste if the TCLP analysis performed on this
waste resulted in VOC concentrations greater than 0.5 ppm.
otherwise, the waste would be. disposed of in accordance with RCRA
subtitle D regulations.
Under this alternative, the water mains and associated
equipment would be transferred to the Dublin Borough Water
Department for its use. The party implementing the remedy
(either the PRPs or the Commonwealth of Pennsylvania under a
state Superfund Contract) will assure that the remedy is properly
operated and maintained. Operation and maintenance of the
well and the UV oxidation system would be required until the
It R ,3 01 5 n r::
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27
. .
final groundwater remediation is complete. Once remediation is
complete, the UV oxidation system could be bypassed or removed
and the well could continue to be used to supply the residents.
An agreement would be necessary between Dublin Borough, the
party implementing the remedy, and the well or property owner for
access to the well. The affected parties would be billed for
water usage by the Borough at the standard rate, which would
provide sufficient revenues to finance the O&M for the supply
well and the water line extension.
This alternative does not include provisions for additional
system capacity to serve new development in the area not affected
or potentially affected by the Site. This option does not
provide for additional fire protection, i.e., more protection
than residents currently have.
Under the Federal Safe Drinking Water Act and Pennsylvania's
Safe Drinking Water Regulations, which are applicable
requirements, the Borough would be required to sample the wells
which supply their system to ensure that all criteria identified
within these regulations are met.
Because this alternative would require treatment of water
prior to discharge to the water storage facilities, periodic
monitoring of the effluent from the treatment system would be
necessary to ensure that treatment equipment is. functioning
property.
This alternative would provide the residences and businesses
with a permanent, regulated water supply. This would ensure that
the residences and businesses are supplied with a safe, clean
drinking water source that meets all Federal and State drinking
water regulations.
The estimated costs for this alternative are presented
below. Detailed cost information is provided in the Focused
Feasibility Study. The costs assume that each of the residences
and businesses listed in Table 1 would be connected to the water
main and that the wells at the residences and businesses listed
in Table 2 would be monitored on a quarterly basis for volatile
organic compounds until a final groundwater remedy is implemented
at the Site. The present worth costs are based on a 30 year life
and a 10% discount rate. This alternative is technically
feasible and implementable. The estimated time for
implementation of this alternative is 18 to 21 months. This
includes 6 months for a treatability study.
. Capital Costs: $3,100,000
. Annual Operation and Maintenance (O & M) Costs: $260,000
. Present Worth: $4,600,000
aR,10f59?
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28
IX. Summary of the comparative Analysis of Alternatives

. Each of the remedial alternatives for this operable unit are
compared and evaluated against nine criteria to determine which
remedial alternative and combination of technologies and
management or process options will best meet the primary
objective of this ROD. These nine criteria are:
Threshold criteria
-Overall protection of human health and the environment
-Compliance with applicable or relevant and appropriate
requirements
Primary Balancinq Criteria
-Reduction of toxicity, mobility,
-Implementability
-Short-term effectiveness
-Long-term effectiveness
-Cost
or volume
Modifvinq criteria
-Community Acceptance
-State Acceptance
A. Overall Protection of Human Health and the Environment:
A primary requirement of CERCLA is that the selected
remedial action be protective of human health and the
environment. A remedy is protective if it eliminates, reduces,
or controls current and potential risks posed through each
exposure pathway to acceptable levels through treatment,
engineering controls, or institutional controls.
When properly designed and sufficiently tested, alternatives
2 through 7 would protect human health by providing a clean
drinking water source to the affected parties and by monitoring
additional residences which may be potentially affected by the
VOC contamination. The water which would ultimately be
distributed to the affected parties would meet or exceed all
federal and state drinking water standards. Drinking water
standards are established within the Federal Safe Drinking Water
Act and pennsylvania's Safe Drinking Water Regulations. Periodic
water sampling would be employed as part of these alternatives to
ensure the protection of human health.

Alternatives 4, 5, 6 and 7 would be the most protective of
aR30lSRR
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29
human health and the environment by not only supplying a clean
drinking water source to the affected parties but by also
reducing and controlling the risk through treatment of the
groundwater and preventing of the spread of contamination.
Alternatives 2 and 3 would not reduce the risk posed by the
spread of the plume of contamination.
Alternative 1 would not be protective of human health and
the environment because the affected parties would be exposed to
VOCs via ingestion or dermal contact of groundwater, or
inhalation of VOC vapors from the groundwater.
B. Compliance with Applicable or Relevant and Appropriate
Requirements (ARARs)

Section 121(d) of CERCLA requires that remedial actions at
CERCLA sites at least attain legally applicable or relevant and
appropriate federal and State standards, requirements, criteria,
and limitations which are collectively referred to as "ARARs",
unless such ARARs are waiv~d under CERCLA Section 121(d) (4).
Applicable requirements are those substantive environmental
protection requirements, criteria, or limitations promulgated
under federal or State law that specifically address hazardous
substances found at the Site, the remedial action to be
implemented at the site, the location of the Site, or ~her
circumstances present at the site. Relevant and appropriate
requirements are those substantive environmental protection
requirements, criteria, or limitations promulgated under federal
or State law which, while not applicable to the hazardous
materials found at the Site, the remedial action itself, the Site
location or other circumstances at the Site, nevertheless address
problems or situations sufficiently similar to those encountered
at the Site that their use is well suited to the site. ARARs may
relate to the substances addressed by the remedial action
(chemical-specific), to the location (location-specific), or the
manner in which the remedial action is implemented (action-
specific).
Table 4 identifies Applicable and Relevant or Appropriate
Requirements for the alternatives developed in this ROD.
Alternatives 2 throuqh 7 would meet the respective ARARs for
the Federal and State environmental laws for this action.
Once the remedy is implemented, the water supply provided in
Alternatives 2 and 3 would need to be periodically checked to
ensure that the water supply does not become deqraded should
volatile orqanic compounds from the site miqrate into the wells
used in these alternatives.
Once the remedy is implemented, the water supply provided in
Alternatives 4, 5, 6, and 7 would need to be periodically
AR3015A9
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30
monitored to ensure that the treatment processes used are
performing effectively. In addition,. the air stream effluent
from the treatment processes used in Alternatives 6 and 7 would
need to be monitored periodically to ensure compliance with the
Federal Clean Air Act, RCRA and Pennsylvania's Air Resource
Regulations. The carbon used in Alternatives 4, 5, and 6 would
need to comply with guidelines for treatment and disposal
contained within the Resource Conservation and Recovery Act.
Alternative 1 would not meet the respective ARARs for the
Federal and state environmental laws for this action.
c. Lonq-Term Effectiveness and Permanence:
Long-term effectiveness and permanence refers to the ability
of a remedy to maintain reliable protection of human health and
the environment over time. This criteria evaluation includes
consideration of residual risk and the adequacy and reliability
of controls.
Alternatives 2, 3, 5, 6, and 7 provide a permanent clean
drinking water supply which would be regulated under the SDWA and
Pennsylvania' a Safe Drinking Water regulations. The water supply
would not only be monitored routinely for VOCs but for other
contaminants as set forth in the Federal and state regulations.
operation and maintenance of the water supply system would be
turned over to the Dublin Borough Water Department.
Alternatives 2 through 7 all require long-term maintenance
and monitoring. Monitoring of the wells used in Alternative 2
and 3 would be required to determine if the plume of
contamination has spread to these wells. Monitoring and
maintenance of the treatment systems used in Alternatives 4
through 7 would be critical because the breakdown of the
treatment systems would result in the distribution of
contaminated water to residents. Operation of two GAC adsorption
units in series in Alternative 4, 5, and 6 will reduce the risk
of exposure to volatile organic compounds through the groundwater
or air caused by saturation of the carbon bed. Treatment or
disposal of the spent carbon generated during the operation of
Alternatives 4, 5 and 6 would be required until the groundwater
is remediated to an acceptable level. On-site and off-site
equipment for the regeneration of spent GAC is readily available.

The treatment technologies employed in Alternatives 4, 5,
and 6 are well established, reliable technologies which have been
proven effective at the Site and at similar Superfund sites.
These treatment technologies are capable of reducing the
concentration of volatile organic compounds in the groundwater,
and the air discharge in Alternative 6, to acceptable levels.
The treatment technology employed in Alternative 7 has been
proven effective in destroyinq volatile organic compounds from
AR:101590
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.
.
31
groundwater at sites similar to the Dublin TCE Site, but a
treatability study would have to be performed prior to full-scale
operation at the site to confirm the technology's effectiveness.
Alternatives 5, 6, and 7 are the most consistent with the
long-term remediation of the Dublin TCE Site. The treatment
options which are part of these alternatives would help reduce
the amount of volatile organic chemicals in the environment.
Sampling and monitoring required in Alternatives 5, 6 and 7 could
be integrated into the final groundwater remedy employed for the
entire Site.
Alternative 4 is not considered a permanent remedy.
Monitoring would be required at approximately 70 residences and
businesses until the groundwater is remediated to an acceptable
level. Because this is not considered a public water supply,
routine monitoring would only be required for identification of
hazardous substances found at the site. An authority would need
to be established to perform the operation and maintenance of
this alternative.
Alternative 1 is not considered a permanent remedy because
an unacceptable level of risk would be associated with using the
contaminated groundwater as a drinking water supply.
Because all alternatives would result in hazardous
substances remaining at the Site above levels for unlimited use
and unrestricted exposure, a five year review will be conducted.
D. Reduction of toxicity. mobility. or volume of the contaminants
throuqh treatment:
This evaluation criteria addresses the degree to which a
technology or remedial alternative reduces toxicity, mobility, or
volume of hazardous substances.
Alternatives 4, 5, 6 and 7 are the only alternatives which
would result in a reduction of volatile organic chemicals in the
aquifer. Alternative 7 completely destroys the contaminants in
the immediate environment and, therefore, no residual waste is
generated. Alternatives 4, 5 and 6 would remove contaminants
from the immediate environment, although treatment or disposal of
the residual (spent carbon) in a safe and effective manner would
be required.
Alternatives 4, 5, 6, and 7 are the only alternatives which
would help to inhibit further migration of the contaminants in
the aquifer. Mobility and volume.of the contaminants would be
reduced. In addition, these four alternatives would reduce the
toxicity of the contaminants in the aquifer via carbon treatment,
air stripping or UV oxidation.
AR301591
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32
Alternatives 1~ 2, and 3 would not act to reduce the volume,
toxicity, or mobility of contaminants in the aquifer.
E. Short Term Effectiveness:
Short-term effectiveness addresses the period of time needed
to achieve protection of human health and the environment and any
adverse impacts that may be posed during the construction and
operation period until remediation goals are achieved.
Alternative 4 would take the shortest amount of time to
implement requiring approximately 1 to 2 months to implement.
Alternative 4 would be the alternative least likely to impact the
environment during construction and implementation.
Alternatives 2 and 3 would take approximately 4 to 11 months
longer to impiement than Alternative 4 because installation of
water lines, and, possibly, installation of a well, would be
necessary.
Alternative 5 and 6 could take approximately 9 to 14 months
longer to implement than Alternative 4 because installation of
water lines, possibly a well, and a treatment system would be
necessary. Alternative 7 would take the longest time ~o :
implement because a treatability study would be required prior to
remedy implementation. .
Installation of a well within the plume of contamination and
the treatment system, as described in Alternatives 5, 6, and 7,
would pose the greatest risk to workers during implementation of
the remedy. Possible exposure to volatile organic compounds
during these installation processes could occur.
Installation of the wells, water lines, and treatment
systems as described in Alternatives 2 through 7 would not pose
a significant risk to workers or the community as long as safety
procedures are properly followed.
Alternatives 2 and 3 potentially may cause the contamination
to spread. Since one of the Dublin Borough municipal supply
wells (Well #3) is downgradient of the plume of contamination and
because a final groundwater remediation system and contaminant
containment system is not in place at the Site, an increase in
pumping from this well may decrease the time which it takes for
the TCE and other contaminants to reach this well. Although
Public Supply Wells #1 and #2 are located upqradient of the Site,
testing would be necessary during the design phase of remedy
implementation to determine if increased pumping from these wells
would spread the contamination. This testing would also be
require< for the we,. ,s used in Alternative 3. As long as use of
the we '. in Alterna: .ve 3 would not spread the contamination,
this a . :ernative WOt ,.d not pose an environmental risk.

AR3015c:t2
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33
F. Implementabilitv

Implementability refers to the technical and administrative
feasibility of a remedy, from design through construction,
operation, and maintenance. It also includes coordination of
federal, state, and local governments to cleanup the site.
Alternatives 4, 5, 6, and 7 would require initial
operational treatment system testing and periodic sampling to
ensure efficient operation of the treatment system. The
treatment technologies used in Alternatives 4, 5, and 6 are well
established and have been proven reliable at the Site as well as
at other sites. Maintenance and monitoring of Alternatives 5, 6,
and 7 would be performed much more easily than the maintenance of
Alternative 4 because only one treatment system would be required
instead of approximately 70 individual treatment systems.
Because vinyl chloride is a degradation product of TCE, its
presence in t~le aquifer may increase with time. Significantly
more GAC is necessary to treat vinyl chloride as compared to TCE.
Therefore; Alternatives 4 and 5, which use GAC treatment, may
require significantly more carbon to meet the Drinking Water
standards for vinyl chloride than originally estimated. This
increase in carbon usage will impact the operation and~
maintenance of these alternatives because more frequent
replacement of the spent carbon will be necessary.
Alternatives 3, 5, 6, and 7 would require the identification
and, possibly, the installation of a well prior to
implementation. This would involve additional investigations,
although data generated to date at the site under PADER and
others should help to identify a well quickly.
Alternative 7 incorporates a relatively new technology
does not have the established reputation as a treatment
technology for VOC-contaminated groundwater as compared to
Alternatives 4, 5, and 6. A treatability study would be
necessary for this alternative.
which
Alternative 4 accommodates new homes to the system more
easily than any other alternative. Accommodation of new homes to
the systems described by Alternatives 5, 6, and 7 may require
additional treatment equipment and additional wells or the
expansion of the existing wells. Alternative 2 and 3 also may
require additional wells or the expansion of the existing wells
if new homes require an alternate water supply. In addition,
Alternatives 2 and 3 may require treatment equipment if the wells
used in these alternatives become contaminated.
Services and materials are readily available for all
alternatives.
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34
G. Cost:
This criteria examines the estimated costs for each remedial
alternative. For comparison, capital, annual O&M, and present
worth costs are shown in Table 5.
The costs assume that 69 connections into a new water line
would be made and that 56 residences and businesses would be
monitored for four years until a final groundwater remedy is
implemented. The lowest cost alternative is Alternative 2 at
$2,600,000. The most expensive alternative is alternative 6 with
a present worth cost of $5,000,000.
H. State Acceptance:

The Commonwealth of pennsylvania has reviewed the Record of
Decision and has concurred with the selected remedy. This
unofficial concurrence is documented in a letter from PADER to
EPA, dated September 12, 1991.
I.Communitv Acceptance:
Comments received from the Borough of Dublin and community
members indicated general support for EPA's propose~ alternative,
Alternative 6. The Borough of Dublin believed that Alternative 2
would be the most easily implemented alternative but stated that
they would be willing to work with EPA and the PRPs in
implementing Alternative 6. The Borough of Dublin expressed
concern over the costs and implementation time associated with
Alternative 6.
One potentially responsible party indicated that this Early
Action should be implemented in stages. Theses stages would
include immediate connection of the affected parties to the
existing public distribution system (as described in Alternative
2) and, then, once the RIfFS is complete, installing groundwater
wells within the plume of contamination for both treatment and
supply of groundwater. Use of the existing public distribution
system would be modified to include the installation of an air
stripper in case the existing supply wells became contaminated.
One potentially responsible party indicated that other treatment
technologies should be considered for vapor-phase treatment of
the air discharged from the air stripper described in Alternative
6.
x. Selected Remedy and Performance Standards

The Selected Remedy is Alternative 6. This operable unit
addresses the provision of clean water to affected parties near
the Dublin TCE site. After the RIfFS is completed, a remedy for
the entire site will be developed. To the extent practicable,
the remedy selected for future operable units will be consistent
,An"Ofrnl
}{ f11 ::_'_1 I ~ ,~, ~_:-'I -_:',
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35
with Operable Unit One.
following components:
The selected remedy consists of the
Installation and operation of a new or existing water
supply well.
Construction and operation of a system for the
treatment of the water extracted from the well
described above.
Expansion of the existing Dublin Borough public
distribution system with use of the well and treatment
system described above to provide clean water to the
affected parties.
Monitoring of the residential and commercial wells at
homes not serviced by the public distribution system.
Operation and maintenance of the selected remedy.
Each component of the remedy and its design and performance
standard(s) will be described in turn.
.h
Installation and operation of a well
..
A. Description of the Component of the Remedy
This component will include development, construction, and
operation of a new water supply well within the plume of
contamination or operation of an existing well within the
plume of contamination. The plume of contamination is
defined as the portion of the drinking water aquifer at or
near the Dublin TCE Site which contains levels of the
contaminants of concern above the detection level of EPA
Analytical Method 524.2, as described at 40 CFR Part 141.
The chemicals of concern include but are not limited to:
tetrachloroethene, trichloroethene, vinyl chloride, ciS-1,2-
dichloroethylene,trans-1,2-dichloroethylene, 1,1-
dichloroethylene, and 1,1,1-trichloroethane. The list of
the chemical of concern may be expanded by EPA based on
information gathered during the Remedial Investigationl
Feasibility Study (RIfFS).
The location and construction details of the new or existing
water supply well will be finalized and approved by EPA
during the design stage of the selected remedial
alternative. Use of an existing well will be investigated
first so that this early action can be implemented as
quickly as possible, however, the decision on use of a
groundwater well will be made by EPA based on a review of
all relevant factors.
nR30f5t)~
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36
This well shall be capable of supplying water to the
affected parties identified in Table 1, and to any parties
that become affected or may become affected by the
contamination in the future, as determined by EPA.
B. Performance Standards
Implementation of the component of the remedy described in
1.A., above, is a performance standard.
The performance standard for disposal of the well
development wastes (i.e. soil boring cuttings, pump-test
water, etc.), shall be the requirements of the Resource
Conservation and Recovery Act (RCRA) Regulations and the
Pennsylvania Solid Waste Regulations including: 40 CF~ Part
261 Subpart A section 261.3, subpart C section 261.24, and
Subpart D Section 261.31 (regarding the listing and
identification of characteristic hazardous waste); 40 CFR
Part 262 Subparts A-E (regarding standards applicable to
generators) and the substantive requirements for the.
treatment, storage, and disposal of hazardous wastes set
forth in 40 CFR Part 263 (regarding transporters of
hazardous wastes) and 40 CFR Part 264 Subparts B-H
(regarding general requirements for Treatment,Starage and
Disposal facilities); 40 CFR 268 Subparts C Section 268.30
and Subpart E (regarding restriction of hazardous waste land
disposal and storage of hazardous waste); 25 PA Code
Sections 75.259 through 75.270.42 which establish State
requirements for the generation, transportation, storage and
treatment of hazardous wastes (specifically, 25 PA Code
75.262 requirements for generators of hazardous wastes, 25
AP Code Section 75.263 requirements for the transportation
of hazardous wastes, and 25 PA Code section 75.264
requirements for the treatment, storage and disposal of
hazardous wastes; 25 PA Code 261.24 and 273.421 (regarding
the handling of residual and other waste and the
determination of hazardous waste by the Toxic Characteristic
Leaching Procedure).
h
Construction and ooeration of a qroundwater treatment
system
A. Description of the Component of the Remedy
Construction and operation of an air stripping and
vapor-phase carbon adsorption (or thermal destruction
unit) for treatment of the water extracted from the
well described in paragraph 1, above.

If necessary, based upon results of chem,cal sampling,
a liquid-phase carbon adsorption unites will be
designed and installed on the water disc arge of the
AR301596
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37
air stripper to ensure that the water delivered to the
. residences and businesses meets the MCLs described
below.
B. Performance Standards
Implementation of the component of the remedy described
.in 2.A., above, is a performance standard.

The performance standard for each contaminant of
concern in the effluent water from the air stripper,
which is supplied to public water system that will
serve the affected parties, shall be the MCL for that
contaminant as promulgated under the Safe Drinking
Water Act, 42 U.S.C. S 300f to 300j-26, and set forth
at 40 CFR S l4l.6l(a). The MCLs for the chemicals of
concern are:
Substance
MCL (Uq 11)
Tetrachloroethene
Trichloroethene
Vinyl Chloride
ciS-I,2-dichloroethylene
trans-l,2-dichloroethylene
l,l-dichloroethylene
I, 1, I-trichloroethane
5
5
2
70
100
7
200
..
The performance standard for the air emissions from the
stripping unit shall be the requirements of the RCRA
regulations set forth at 40 CFR 264 Subpart AA- Air
Emission .Standards for Process Vents. The total
organic emissions from all affected process vents at
the facility are required to be below 1.4. kg/hr and 2.8
mg/yr under this regulation. Because the Site lies
within an ozone non-attainment area, the air emissions
from the treatment unit shall comply with the National
Ambient Air Quality Standards (NAAQS) under the Clean
Air Act (40 CFR Part 50.1-3, 50.9, Appendix D, Appendix
H) for the release of volatile organic emissions. The
vinyl chloride air emissions will also comply with
Section 112 of the Clean Air Act, 42 U.S.C S 7412
National Emission Standard for Hazardous Air Pollutants
(NESHAPs). The relevant and appropriate NESHAP for
vinyl chloride is set forth at 40 CFR Part 61, Subpart
F. The air emissions will also comply with the State
regulations set forth in 25 PA Code S127.12(a) (5).
This regulation requires that emissions be reduced to
the minimum obtainable levels through the use of best
available technology, as defined in 25 PA Code S121.1.

The performance standard for disposal of spent carbon
AR301597
-------
.h
38
filters from the liquid- and vapor-phase carbon
treatment systems and any other hazardous waste
generated during treatment system installation shall be
the requirements of the Resource Conservation and
Recovery Act (RCRA) Regulations and the Pennsylvania
Solid Waste Regulations including: 40 CFR Part 261
Subpart A section 261.3, Subpart C Section 261.24, and
Subpart D section 261.31 (regarding the listing and
identification of characteristic hazardous waste); 40
CFR Part 262 Subparts A-E (regarding standards
applicable to generators) and the substantive
requirements for the treatment, storage, and disposal
of hazardous wastes set forth in 40 CFR Part 263
(regarding transporters of hazardous wastes) and 40 CFR
Part 264 Subparts B-H (regarding general requirements
for Treatment, Storage and Disposal facilities); 40 CFR
268 Subparts C Section 268.30 and Subpart E (regarding
restriction of hazardous waste land disposal and
storage of hazardous waste); 25 PA Code Sections 75.259
through 75.~70.42 which establish State requirements
for the generation, transportation, storage and
treatment of hazardous wastes (specifically, 25 PA Code
75.262 requirements for generators of hazardous wastes,
25 AP Code section 75.263 requirements for tpe
transportation of hazardous wastes, and 25 PA Code
Section 75.264 requirements for the treatment, storage
and disposal of hazardous wastes; 25 PA Code 261.24 and
273.421 (regarding the handling of residual and other
waste and the determination of hazardous waste by the
Toxic Characteristic Leaching Procedure).
Expansion of the 'Dublin Public Water Distribution
System
A. Description of the Component of the Remedy
The water extracted from the well described in
paragraph 1, above, and treated with the treatment
system described in paragraph 2, above, shall be
delivered to the existing Dublin Borough water supply
system either through the currently existing storage
facility or through a storage facility constructed
specifically for the new well.

The existing Dublin Borough public water distribution
system shall be expanded by the installation of water
mains along North Main street, Mill street and a
portion of Elephant Road.
Connections shall be made from these newly constructed
water mains to the affected or potentially affected
parties with the installation of water meters at each
AR10lSqg
-------
h-
39
.'
residence and business.
All areas impacted by the construction activities
during remedy implementation and operation and
maintenance shall be graded, restored and revegetated,
as necessary.
The existing residential wells shall be abandoned, if
appropriate, and the existing in-house carbon filters
shall be removed and disposed of.
B. Performance Standards
Implementation of the component of the remedy described
in 3.A., above, is a performance standard.
The performance standard for disposal of the in-house
carbon filters shall be the requirements of the
Resource Conservation and Recovery Act (RCRA)
Regulations and the Pennsylvania Solid Waste
Regulations including: 40 CFR Part 261 Subpart A
section 261.3, Subpart C Section 261.24, and Subpart 0
section 261.31 (regarding the listing and
identification of characteristic hazardous waste); 40
CFR Part 262 Subparts A-E (regarding standards
applicable to generators) and the substantive' .
requirements for the treatment, storage, and disposal
of hazardous wastes set forth in 40 CFR Part 263
(regarding transporters of hazardous wastes) and 40 CFR
Part 264 Subparts B-H (regarding general requirements
for Treatment, Storage and Disposal facilities); 40 CFR
268 Subparts C Section 268.30 and Subpart E (regarding
restriction of hazardous waste land disposal and
storage of hazardous waste); 25 PA Code Sections 75.259
through 75.270.42 which establish state requirements
for the generation, transportation, storage and
treatment of hazardous wastes (specifically, 25 PA Code
75.262 requirements for generators of hazardous wastes,
25 AP Code Section 75.263 requirements for the
transportation of hazardous wastes, and 25 PA Code
Section 75.264 requirements for the treatment, storage
and disposal of hazardous wastes; 25 PA Code 261.24 and
273.421 (regarding the handling of residual and other
waste and the determination of hazardous waste by the
Toxic Characteristic Leaching Procedure).

Monitorinq of Residential and Commercial Wells
A. Description of the Component of the Remedy

Residential and commercial wells at certain residences
and businesses not addressed by the public water supply
nR301599
-------
40
but which .have the potentia.l for contamination shall be
monitored on a quarterly basis for the chemicals of
. concern using EPA Analytical Method 524.2 until EPA
deems that it is no longer necessary. The initial list
of these residences and businesses is given in Table 2.
This list may be expanded by EPA based on the results
of design of this remedy and information gathered
during the RIfFS.
B. Performance Standards
Implementation of the component of the remedy described
in 4.A., above, is a performance standard.
2.:..
Operation and Maintenance of the Selected Remedv
A. Description of Remedy
Operation and maintenance 9f the newly installed well,
and treatment system shall continue until the
concentrations of contaminants of concern in the water
extracted from the new production well, located within
the plume of contamination, have been reduced to the
MCLs indicated in paragraph 2, above. The well will be
sampled on a quarterly basis for at least 30~years. If
sampling confirms that the MCLs have been attained at
the well (prior to treatment) and remain at the
required levels for twelve consecutive quarters,
operation of the treatment system can be suspended.
The groundwater pumped from the well shall bypass the
treatment system and be distributed to the affected
residences. If, subsequent to the treatment system
shutdown, quarterly monitoring shows the groundwater
concentration of any contaminant of concern to be above
the HCLs, the treatment system shall be restarted and
continued until the MCLs have once more attained for
twelve consecutive quarters.
B. Performance Standards
Implementation of the component of the remedy described
in 5.A., above, is a performance standard.
XI. Statutory Determinations
A. Protection of Human Health and the Environment
The selected alternative is protective of human health.
This remedy will reduce the risk posed by ingestion of, dermal
contact with and inhalation of vapors from TCE in the groundwater
used as a water supply for the affected parties through
treatment. The drinking water supplied to the residences and
AR30'600
-------
41
.
,
businesses will meet the MCLs listed in Table 3. The air
discharged from the air stripper will meet all Federal and state
air quality regulations. The selected remedy will also help to
contain the plume of contamination.
No unacceptable short-term or cross-media risks will be
caused by implementation of this remedy. The remedial
technologies employed in the selected remedy are proven to reduce
the concentrations of volatile organic chemicals to acceptable
levels.
B. Compliance with ARARs
The Selected Remedy will comply with all applicable or
relevant and appropriate chemical-, location -, and action-
specific ARARs. Those ARARs are:
1. Chemical-Specific ARARs
b.
c.
d.
a.
Applicable Maximum contaminant Levels (MCLs)
promulgated under the Safe Drinking Water Act~ 42
U.S.C. ~ 300f to 300j-26, and set forth at 40
CFR ~ 141.61 (a) are:
Substance
MCL(uq/l) ..
Tetrachloroethene
Trichloroethene
Vinyl Chloride
CiS-1,2-dichloroethylene
trans-1,2-dichloroethylene
1,1-dichloroethylene
1, 1, 1-trichloroethane
5
5
2
70
100
7
200
PA 25 Code sections 109.202(1), and 109.201(2),
109.203 and 109.503 which set forth drinking water
quality standards at least as stringent as federal
standards (MCLs) and additional state requirements
(secondary maximum contaminant levels) for public
water systems including permit design and
construction, source quality and siting
requirements, are applicable.
EPA Directive 9355.0-28, which sets. forth risk
associated with emissions from Superfund air
strippers at Superfund .groundwater sites, is to be
considered.
The air discharge from the treatment system will
be implemented consistent with the requirements
of the Resource Conservation and Recovery Act
(RCRA) regulations 40 CFR 264 Subpart AA- Air
"R1,n' ~,O'
-------
42
Emiss~on Standards for Process Vents. These
regulations are applicable. The total organic
emissions from all affected process vents at the
facility are required to be below 1.4 kg/hr (3
lb/hr) and 2.8 mg/yr (3.1 tons/yr) under
this regulation.
e.
The vinyl chloride emissions from the treatment
system will comply with Section 112 of the Clean
Air Act, 42 U.S.C. ~ 7412 National Emission
Standard for Hazardous Air Pollutants (NESHAPs).
The relevant and appropriate NESHAP for vinyl
chloride is set forth at 40 CFR Part 61, Subpart
F.
f.
The air emissions from the treatment system shall
. comply with the National Ambient Air Quality
Standards (NAAQS) under the Clean Air Act (40 CFR
Part 50 sections 50.1-3,50.9, Appendix D, Appendix
H~ for the release of volatile organic emissions
from the air strippers (the Site lies within an
ozone non-attainment area).
2. Location-Specific ARARs
a.
The substantive requirements of the Delaware River
Basin Commission (18 CFR Part 430)
regulations are applicable. These regulations
establish requirements for the extraction of
groundwater within the Delaware River Basin.
3. Action-Specific ARARs
a.
25 PA Code S123.31 is applicable to the remedial
alternative and prohibits malodors detectable
beyond the property line.
b.
25 PA Code S127.12(a) (5) will apply to the new
point source air emission, if it is not exempt
under 25 PA Code 5127.14, that result from the
implementation of the remedial alternative,
requiring that emissions be reduced to the minimum
obtainable levels through the use of best
available technology (BAT).
c.
The groundwater treatment will be implemented
consistently with the requirements of the Resource
Conservation and Recovery Act (RCRA) Regulations,
including: 40 CFR Part 261 Subpart A section
261.3, Subpart C section 261.24, and Subpart D
section 261.31 (regarding the listing and
identification of characteristic hazardous waste);
-------
d.
e.
f.
43
4C> CFR Part 262 Subparts A-E (regarding standards
applicable to generators) and the substantive
requirements for the treatment, storage, and
disposal of hazardous wastes set forth in 40 CFR
Part 263 (regarding transporters of hazardous
wastes) and 40 CFR Part 264 Subparts B-H
(regarding general requirements for Treatment,
Storage and Disposal facilities); 40 CFR 268
Subparts C section 268.30 and Subpart E (regarding
restriction of hazardous waste land disposal and
storage of hazardous waste). These regulations
are applicable.
25 PA Code ~~ 75.259 through 75.270.42 which
establish State requirements for the generation,
transportation, storage and treatment of hazardous
wastes (specifically, 25 PA Code ~ 75.262
requirements for generators of hazardous wastes,
25 PA Code ~ 75.263 requirements for the
transportation of hazardous wastes, and 25 ~A Code
~ 75.264 requirements for the treatment, storage
and disposal of hazardous wastes) are applicable
requirements.
The occupational Safety and Health Act (OSHA)
regulations (29 CFR 1910) are applicable~for all
activities conducted during this remedial action.
25 PA Code ~~261.24 and 273.421 are applicable
regulations for the handling of residual and other
waste and for the determination of hazardous waste
by the Toxic Characteristic Leaching Procedure.
C. Cost-Effectiveness
The selected remedy is cost-effective in providing overall
protection in proportion to cost, and meets all other
requirements of CERCLA. The NCP, 40 CFR section
300.340(f)(ii)(D), requires EPA to evaluate cost-effectiveness by
comparing all the alternatives which meet the threshold
criteria - protection of human health and the environment and
compliance with ARARs - against three additional balancing
criteria: long-term effectiveness and permanence; reduction of
toxicity, mobility, or volume through treatment; and short-term
effectiveness. The selected'remedy meets these criteria and
provides for overall effectiveness in proportion to its cost.
The estimated present worth cost-for the selected remedy is
$5,000,000.
AR301603
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44
D. Utilization of Permanent Solutions and Alternative Treatment
Technologies or Resource Recovery Technologies to the Maximum
Extent Practicable
Because of the limited scope of this operable unit, a
permanent remediation of the ground water was not considered.
However, a permanent source of clean drinking water to residences
and businesses affected or potentially affected by the site will
be developed. Secondary objectives of this operable unit are to
reduce the migration of contaminants and to prevent current or
future exposure to the contaminated ground water in the aquifer,
through treatment and containment. Extraction and treatment of
contaminants in the aquifer will achieve some reduction in the
contamination at the Site, and will enhance the attainment of a
permanent remedy at the site. Subsequent actions will address
fully the principal threats posed by the conditions at the site.
The remedy(ies) selected in future operable units will employ
permanent solutions to the maximum extent practicable.
E. Preference for Treatment as a Principle Element
The selected remedy employs a treatment process which has
been demonstrated to effectively reduce VOC contamination at
other Superfund sites. Therefore, the statutory preference for
remedies that employ treatment as a principal element is :
satisfied.
....J\~''-'. .
tI R 3 0 , 6 n'l,
-------
.. ,
FIGURES 1 THROUGH 3
DUBLIN TCE EARLY ACTION ROD
AR301605
-------
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SOU"CI: ",1 M.NUTI SI"'ISJ U.t.Cl.S. ~"'T'" & OOYWTOWJI. "A.. QUAQ;
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IT LOCATION MAP
DUBLIN WATER SUPPLY
. -SC~.... I: 24000
AR3~~~Y~i
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I ~:.I~r 1 i l~' .~.. II I -,~
-------
Fiaure
2
.....~~.............er~_~____._.__...~~~...........
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. .

:,.. ShedD f\ : Approximate
. ~l.ocation 01
: . Fire Tower
. .
. Paved .
. .
. .
. .
. .
.
nwtden1181 : ft-- .
. 'II"" .
. .
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. Building 1 .
. BuildIng 3 .
. I.abcn8Dry T8IIIng.1nc. ~n.
'...~ D-.a..... .
. -.4 ._'" .
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. ~.
. .
AlCllE8I1 8110
t.
~
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Mill Street
Re&IdenUaI .
(No Scale)
'.
120 "-'ill Street
n", ~. I ~ . ' ~~ i-- - ~ ,
"
"
-------
  j  !J~
  en 
  = 
  ~ 
 CD ~aJ
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OJ CD a:J 
. CD CD 
  CD 
rm  em .
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c::::J ''''''''''.1 WeDs
(&wrq8 TCE raulII
fIaa 1986-1990) ppb
. ~WeDs
('I'CI! ... ..IIed)
"
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Dt1BLIN TCB SITB MAP
DUII8 .........
. -.... C."'YcPA
-------
APPENDICES A, B AND C
DUBLIN TCE EARLY ACTION ROD
n R 3 0 I 6> /1," :1
-------
I.
.'7.
. 0
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,., ..,' ..:. :
. . .:.. ":.'. .
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*
~ ~ PE ~ i) ,1.. 0
DUBLIN TCE
ADMINISTRATIVE RECORD FILE *
INDEX OF DOCUMENTS

SITE IDENTIFICATION
~~.A
-1/:,.
1.
Report: A Water Resources Study of the Dublin Area,
Dublin, Pennsylvania, prepared by International
Exploration, Inc., 5/7/84. P. 100001-100066.

Report: Analysis of Hydrologic Data gathered in
1984 for the Dublin Study Area, prepared by
International Exploration, Inc., 2/12/85.
P. 100067-100142.
2.
3.
Quarterly Review of Dublin Hydrologic Data, April
1985 - June 1985, 7/5/85. P. 100143-100173.
4.
Quarterly Review of Hydrologic Data, July 1985 -
September 1985, 10/8/85. P. 100174-100203.
5.
Quarterly Review of Hydrologic Data, October 1985 -
December 1985, 1/86. P. 100204-1002'28;" ,

'Quarterly Review of Hydrologic Data Collected in
Dublin Borough, January 1986 - March 1986, 4/15/86.
P. 100229-100284.
6.
" .'"
, -
Qua,rterly Review of Hydrologic Data, Dublin Borough,
April 1986 -' June 1986, 7/28/86. P. 100285-100308.
8.
Letter to Ms. Lori Acker, U.S. EPA, from Mr. Everett
C. Hogg, County of Bucks, Department of Health, re:
Tabulation of TCE analysis results for samples
collected from wells in Dublin ~orough, 8/29/86~
, P. 100309-100369. The~,~ql'lowing are attached: ':
..' ..,-.~:;-..
a) four handwritten TCE sample result fO,rms;
b)~~,~'map of Dublin;
:,:,o'c) ',.::;';4-"handwritten memorandum dated September
2, 1986 regarding the data;
a handwritten memorandum regarding Dublin
Borough's wells;
two ground water contour maps; '0
a hydrologic monitoring locations map;
a map illustrating the largest consumers
of ground water;
d)

e)
f)
g)
Administrative Record File available 8/5/91.
~ n'J 0' ,~
I
. I
-------
9.
10.
11.
12.
h)
a map illustrating the monitor well
locations surrounding the Rosenelli Test
well;
a monitor well -data sheet;
special analyses report, sample numbers
111108-13, 0111116-17, 0111119-24,
0161129-36, 0161149-52, 0161171-82, and
1161202;
Quality Control Laboratory, Inc., report
numbers 86024522, 86023626, 86024875,
86024422;
two water quality analysis reports;
a well water sample report.
i)
j)
k)
1)
m)
Report: Preliminary ,Assessment of Du~lin Water
SUPP6Y3S~t~, prepared by NUS Corporation, i2/23/88.
P. 1 0 7 -100778.
Report: Site Inspection Using Available Information
~;9~~~:in~~~7~~~rftf22~~epared by NUS Corporation,

National Oil and Hazardous Substance Contingency
Plan, The National Priorities List Revisions:
Amendment, Proposed Rule Public Docket Index -
Update '10, 10/26/89. P. 101225-101226.
Letter to Mr. Larry Reed, U.S. EPA, from Mr. John P.
Judge, Cohen, Shapiro, Polisher, Shiermen and Cohen,
re: Supplemental public comment of Sequa
Corporation to proposed listinq of Dublin,
Pennsylvania TCE Site on the National Priorities
List, 6/15/90. P. 101221-101448.
.,
-,
,n R301 fJ1S
-------
.
III. REMEDIAL RESPONSE PLANNING,
*
*
*
7 .
8.
9.
10.
*
1 .
Report: Report of Hydrogeologic Analysis of the
Borough of Dublin, Groundwater Supply Wells,
prepared by Mercuri and Associates, Inc., 4/87.
P. 300001-300080.
2.
Report: Results of Soil Sampling Pro~, prepared
by BCM Engineers, Inc., 3/88. P. 300081-300147. A
transmittal letter is attached.
3 .
Exhibit List-H: Cost Study-Dublin Borough Water
System, 8/8/88. P. 300148-300155.

Exhibit List-B: Geaghty & Miller Map, 8/11/88.
P. 300156-300258. '
4 .
5.
Report: Results of Groundwater Investigation,
prepared by BCM Engineers, Inc., 10/88. P. 300259-
300311. A transmittal letter is attached.
6.
Delaware River Basin Commission, Application for
Approval of a Proposed Groundwater Withdrawal,
11/28/88. P. 300312-300509. A hydrogeological
analysis of the Rosenelli well report is attached.

Exhibit List II-O: Recent information, test, etc.,
4/89. P. 300510-300523.
Letter to Mr. George C. Elias, Delaware River Basin
Commision, from Mr. John F. Fabian, PADER, re:
Approval of Water Supply Application No. 0989504,
6/1/89. P. 300524-300524.
Letter to Mr. Robert E. Day-Lewis, Pennsylvania
Department of Environmental Resources (PADER), from
Mr. John Philip Diefender, Stuckert and Yates, re:
Exhibits to proceedings, 7/26/89. P. 300525-300525. ,
Letter to Mr. Robert Day-Lewis, fADER, from Ms.
Barbara J. Rudnick, Mercuri and Associates, Inc.,
re: Confirmation of discussion on ground water,
9/18/89. P. 300526-300526A.
Only relevant portions of this document have been
reproduced. The complete document can be found at
u.S. EPA Region III, Philadelphia, PA.
3
1~ nj n ,I r II, ',~
-------
11.
12.
13.
14.
15.
16.
17.
- ...-.. .-
Letter to Mr. John P. Diefenderfer, Stucker and
Yates, from Mr. Anderson Lee Hartzell, PADER, re:
Proposed permitting of the Rosenelli well in Dublin,
9/19/89. P. 300527-300529.
Letter to Mr. Luther L. Wonsidler, Dublin Borough,
from Mr. Lewis Luchie, PADER, re: Water Supply
Permit No. 0989504, 9/21/89. P. 300530-300536. The
following are attached:
a)
b)
Public Water Supply Permit No. 0989504;
notification regarding quarterly analysis
for trichloroethylene;
Agreement between PADER and the Borough of
Dublin in the issuance of the permit;
letter regarding site visit;
a Dublin Borough well data printout.
c)
d)
e)
Letter to Dr. Bruno Mercuri, Mercuri and Associates,
Inc., from Mr. Robert E. Day-Lewis, PACER, re:
Agreement on location of monitoring well, 9/27/89.
P. 300537-300537~
Agreement between the Borough of Dublin and PADER,
10/2/89. P. 300538-300539.
Letter to Hr. Robert Day-Lewis, PADER, from Ms.
Barbara A. Dolce and Mr. Robert A. Saar, Geraghty
and Miller, Inc., re: Additional iQformation
concerning ground water recovery and treatment on or
near the 120 Mill Street property, 10/19/89.
P. 300540-300545. Table 1 - Water and
Trichloroethene (TCE) Volumes in Contaminated Areas,
Dublin Borough, Pennsylvania and Table 2 - Pumping
Rates for Remediation of High Concentration Area
near 120 Mill Street Property, Dublin Borough,
Pennsylvania are attached.

Letter to Mr. Robert E. Day-Lewis, PACER, from Mr.
John A. Garges, BCM Engineers, Inc., re:
Confirmation of a telephone conversation concerning
the Thompson water tower leak, 1/10/90. P. 300546-
300546.
Report: Hydrogeologic Analysis of Dublin Borough
Wells no. 1 and no. 2, Consultant's Report for the
Year 1989, prepared by Mercuri and Associates, Inc.,
3/90. P7 300547-300759.
,1
a R 1 0 I 6 Ir 7
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1-
18.
Letter to Mr. John H. Thompson, Thompson
organization, from Mr. William H. Jolly, PACER. re:
confirmation of results for investigation regarding
release of TCE contaminated water, 3/27/90.
P. 300760-300767. The following are attached:
e)
letter regarding the investigation of
the Thompson water tank;
a Statement of conditions Building
Permit i90-873-BZP;
hand drawn map of a contaminant
chamber;
Application for Permit for Erection of
New Building or Alternation of
Addition to an Existing Building;
memorandum regarding a daily report of
activity at the Thompson tank;
hand drawn map of Thompson tank;
a)
b)
c)
d)
19.
Letter to Dr. Robert A. Saar, Geraghty and Miller,
Inc., from Mr. Robert E. Day-Lewis, PADER, re:
Comments regarding the conceptual Remedial
Alternatives Work Plan, 3/28/90. P. 300168-300169.
f)
21.
Letter to Mr. Mark J. Vasoli, Dublin Borough, from
Mr. William D. Kee, Cowan Associate$, re: Estimate
of operation and maintenance costs for the proposed
water treatment plant, 4/18/90. P. 300110-300111.
The cost estimates and a water distribution system
map are attached.

Letter to Mr. John Diefenderfer, Stuckert and Yates,
from Mr. William D. Kee, Cowan Associates, Inc., re:
Comments to a site investigation, 4/18/90.
P. 300778-300780.
prepared by CH2M
A transmittal
20.
22.
*
23.
.
*
Only relevant portiOns of this document have been
reproduced. The complete document can be found at
U.S. EPA Region III, Philadelphia, PA.
c;
A R 3 n I n If B
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letter by EPA in response to the December
11, 1990 correspondence;
letter regarding the estimate of operation
and maintenance (0 and H) cost for the
proposed Water Treatment Plant (WTP);
Operating and Maintenance Manual;
two Thompson/Sequa TCE Removal System
maps.

28. Letter to Mr. Philip Rotstien, U.S. EPA, from Mr. J.
Vasol!, Borough of Dublin, re: Monitoring well TCE
test results, 2/9/91. P. 301118-301120. A letter
regarding a laboratory report and a laboratory
sample results form are attached.
'-
24.
25.
26.
27.
29.
. .
Letter to Mr. Larry Reed, U.S. EPA, from Mr. Leon T.
Gonshur, PADER, re: Consent Order and Agreement
between PADER and Sequa Corporation, 7/26/90.
P. 300999-301011. The Consent Order and Agreement
is attached.
Letter to Mr. Mark Vasoli, Borough of Dublin, Mr.
John P. Diefenderfer, Stuckert and Yates, and Mr.
William Kee, Cowan and Associates, re: Comprehensive
report on drilling and construction of a TCE
monitoring well, 8/15/90. P. 3011012-301014. The
TCE monitoring well report is attached.

Letter to Ms. Diane Walker, U.S. EPA, from Mr. John
P. Judge, Cohen, Shapiro, Polisher, Shiekman, and
Cohen, re: Response of Sequa Corporation to letter
dated August 22, 1990, 10/26/90. P. 301015-301076.
A response letter dated October 24, 1990 and exhibit
A: Source Investigation Work Plan 120 Mill Street
Site and Conceptual Remedial Alternatives for the
Bedrock Aquifer Underlying Dublin Borough,
Pennsylvania are attached.
Letter to Mr. Edwin B. Erickson, U.S. EPA, from Mr.
John Philip Diefenderfer, Stuckert and Yates, re:
Recovery cleanup at the Dublin Sitei 12/11/90.
P. 301077-301117. The following are attached:
a)
b)
c)
d)
Memorandum to tile from Mr. Hark J. Vasoli, Borough
of Dublin, re: Organic volatile test results,
2/21/91. P. 301121-301126. Two Certificates of
Analysis, two Chemical or Radiological Analysis
Input forms, and a Chain of Custody are attached.
17
AR301649
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30.
31.
32.
33.
34.
35.
36.
37.
38.
Memorandum to Ms. Diane Walker,
David M. Kargbo, U.S. EPA, re:
Hydrogeologic Analysis of Wells
P. 301127-301129.
U.S. EPA, from Mr.
Review of March 1990
1 and 2, 3/19/91.
Phone Conversation Record of Mr. Mark Vasoli,
Borough of Dublin, with Ms. Diane Walker, U.S. EPA,
re: Public distribution system, 5/22/91.
P. 301130-301131.
Phone Conversation Record of Ms. Susan Coburn,
Whistlewood Apartment Complex, with Ms. Diane
Walker, U.S. EPA, re: Structure and capacity of the
water production well, 5/23/91. P. 301132-301132.
Phone Conversation Record
Thompson Toyota, with Ms.
re: Wells located at 120
P. 301133-301133.
of Mr. David Shapowal,
Diane Walker, U.S. EPA,
Mill 5treet, 5/23/91.
Letter to Ms. Diane J. Walker, U.5. EPA, from Mr.
Mark J. Vasoli, Borough of Dublin, re: Map with
borough properties currently tied into the public
water system, 5/29/91. P. 301134-301135. 'The map
is attached.
Letter to Ms. Diane Walker, U.5. EPA, from Mr.
Thomas R. Hartnett, PADER, re: Preliminary list of
Applicable or Relevant and Appropriate Requirements
(ARARs), 6/3/91. P. 301136-301138.
Phone Conversation Record of Mr. Mark Vasoli,
Borough of Dublin, with Ms. Diane Walker, U.5. EPA,
re: Water line construction estimates, 6/10/91.
P. 301139-301139.
Letter to Mr. Mark Vasoil, Borough of Dublin, from
M$. Diane Walker, U.5. EPA, re: Water line
construction estimates, 6/12/91. P. 301140-301144.
The cost estimates are attached.
Phone Conversation Record of Mr. Bruno Mercuri,
Mercuri and Associates, Inc., with Ms. Diane Walker,
U.5. EPA, re: Information about the public
distribution system, 6/13/91. P. 301145-301147.
7
1 fl ':1' I'~ 1 - '? ;,
Ilr II' .':;' -I,ll:
-------
39.
40.
41.
42.
43.
Phone Conversation Record of Mr. Mark Vasoli,
Borough of Dublin, with Ms. Diane Walker, U.S. EPA,
re: Water usage in the borough, 6/21/91.
P. 301148-301149.
Letter to Ms. Diane J. Walker, U.S. EPA, from Mr.
John Philip Diefenderfer, Stuckert and Yates, re:
Dublin Borough Ordinance No. 205, 6/26/91.
P. 301150-301156. The ordinance is attached.
Memorandum to file from Ms. Diane Walker, U.S. EPA,
re: A January 18, 1991 meeting to discuss water
usage, (undated). P. 301157-301157.
Memorandum to Ms. Diane Walker, U.S. EPA, from Mr.
Anderson Lee Hartzell, PADER, re: Consent Order and
agreement between PADER and Sequa Corporation,
(undated). P. 301158-301169. The Consent Order is
attached. .
Map of Dublin, (undated). P. 301170-301171. A
partial list of wells in Dublin from a report
entitled Pennsylvania Department of Internal
Affairs, Groundwater Resources of Bucks County, PA
is attached.
8
aR10lC51
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IV.
REMOVAL RESPONSE PROJECTS
1 .
2.
3.
4.
5.
6.
7.
8.
9.
Memorandum to Mr. Gerry Heston, 0.5. EPA, from Mr.
Mark Tucker, Roy F. Weston, Inc., re: Carbon
efficiency, 8/19/86. P. 400001-400010.
u.S. EPA Incoming Spill Report, Dublin Water Supply,
8/27/86. P. 400011-400011.
Trichloroethylene (TCE) Factual Information Sheet,
prepared by Chemical Information Systems, Inc.,
8/29/86. P. 400012-400018.
Letter to Ms. Lori Acker, U.S.
C. Hogg, County of Bucks, re:
analysis results, 8/29/86. P.
results are attached.
EPA, from Mr. Everett
Transmittal of TCE
400019-400023. The
Pollution Report .1, Dublin Water Supply, 9/9/86.
P. 400024-400025.
Pollution Report 12, Dublin Water Supply, 9/9/86.
P. 400026-400027.
Hazardous Waste Site Inve~tigation and Emergency
Response Safety Plan, prepared by Roy F. Weston,
Inc., 9/10/86. P. 400028-400034.
Memorandum to Mr. Jay Rodstein, U.S. EPA, from Mr.
Greg Janice and Mr. Peter Harnett, ROY F. Weston,
Inc., re: BacKground information on Dublin TCE
Site, 9/15/86. P. 400035-400089.
Pollution Report '3, Dublin Water Supply, 9/15/86.
P. 400090-400091.
10. Memorandum to Mr. Jay Rodstein, U. S. EPA, from Mr.
: Greq Janice and Mr. Peter Harnett, Roy F. Weston,
Inc., re: Transmittal of Scope of Work, 9/18/86.
P. 400092-400095. The Scope of Work is attached.
11.
12.
Pollution Report '4, Dublin Water Supply, 10/6/86.
P. 400096-400097.
Pollution Report '5, Dublin Water Supply, 10/6/86.
P. 400098-400099.
9
aR30/n5?
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13. Pollution Report 16, Dublin Water Supply, 10/9/86.
 P. 400100-400101.    
14. Pollution Report 11, Dublin Water Supply, 10/19/86.
 P. 400102-400103.    
15. Pollution Report '8, Dublin Water Supply, 10/22/86.
 P. 400104-400105.    
16.
11.
18.
19.
20.
21.
22.
Memorandum to Mr. Charles J. Walters, u.S. EPA, from
the Acting Director, Department of Health & Human
Services, re: Health consultation for Dublin Water
Supply, 10/23/86. P. 400106-400111.
Pollution Report '9, Dublin Water Supply, 11/1/86.
P. 400118-400119.
Letter to Mr. John N. Thompson from Mr. Walter E.
Stanley, Jr., PADER, re: Results of sampling tests,
11/12/86. P. 400120-400121.
Pollution Report '10, Dublin Water Supply, 11/18/86.
P. 400122-400124.
Pollution Report '11, Dublin Water Supply, 11/21/86.
P. 400125-400126.
Letter to Mr. Michael Mason, U.S. EPA, from Mr.
Robert C. Brod, BCM Engineers, Inc., re:
Residential well sampling plans, 11/25/86.
P. 400127-400328. .
Tap Water Summary, Dublin TCE Site, 12/2/86.
P. 400329-400342.
23. Letter to MS. Deane Bartlett, U.S. EPA, from Mr.
Brian J. MCCullough, Connolly, Chandor , McAndrews,
re: Comments on BCM's proposal, 12/30/86.
P. 400343-400357. The Proposal for Groundwater
Contamination Investiqation and Remediation Plan is
attached.
24.
Letter to Mr. Michael Mason, U.S. EPA, from Mr.
Michael Galvin, Versar, Inc., re: Split sampling
results, 1/12/87. P. 400358-400361. A data summary
sheet and a chain of custody form are attached.
10
nR301653
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25.
26.
27.
28. .
29.
Memorandum to Mr. Michael Mason, U.5. EPA, and Mr.
Robert Young, PADER, from Mr. Peter G. Noll, County
of Bucks, re: Comments on ground water monitoring
proposal, 2/5/87. P. 400362-400362.
Letter to Ms. Deane H. Bartlett, U.5. EPA, from Mr.
Brian J. McCullough, Connolly, Chandor & McAndrews,
re: Ground water sampling, 3/11/87. P. 400363-
400368.
Letter to Ms. Deane H. Bartlett, U.5. EPA, from Mr.
Robert C. Brod, BCM Engineers, Inc., re:
Transmittal of draft Work Plan, 3/27/87. P. 400369-
400377.
Letter to Ms. Deane
5teven F. Kemp, BCM
Transmittal of Work
400386.
H. Bartlett, U.5. EPA, from Mr.
Engineers, Inc., re:
Plan, 5/21/87. P. 400378-
Letter to Mr. Michael Mason, U.S. EPA, from Mr.
Steven F. Kemp, BCM Engineers, Inc., re:
Transmittal of Work Plan, 5/21/87. . P. ..400387-
400389.
30. 'Consent Agreement and Order, In the Matter Of:
Dublin TCE Site, John H. Thompson, Respondent,
Docket No. 1II-87-22-DC, 6/29/87. P. 400390-400398.
31.
32.
33.
34.
35.
Report: Revised Hydrogeologic Investigation Plan
Jor Thom~son Pro~, prepared by BCM Engineers,
Inc., 7/87. P. 400399-400415.
Letter to Mr. Steven F. Kemp, BCM Engineers, Inc.,
from Mr. Robert O. Young, PADER, re: Revised
hydrogeologic investigation plan, 8/31/87.
P. 400416-400418.
Letter to Mr. Robert Wal!ace, Funk Water Quality
Company, from Mr. Robert J. Wyatt, BCM Engineers,
Inc., re: Installation of. water treatment systems,
9/2/87. P. 400419-400423. .
Letter to Mr. Robert O. Young, PADER, from Mr.
Steven F. Kemp, BCM Engineers, Inc., re: Soil vapor
survey results, 11/18/87. P. 400424-400431.

Tap Water Summary, Dublin TCE Site, 12/1/87.
P. 400432-400439.
11
.1P1n '!
c.C
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36.
37.
38.
39.
40.
Letter to Mr. Michael Mason, U.S. EPA, from Mr.
Robert J. Wyatt, BCM Engineers, Inc., re: Results
of tap water sampling, 1/15/88. P. 400440-400444.

Letter to Mr. Michael Mason, U.S. EPA, from Mr.
Steven F. Kemp, BCM Engineers, Inc., re: Work Plan
implementation, 1/19/88. P. 400445-400457.
Report: Assessment of Source Contamination in
Whistlewood Apartment Complex Water~lY Well,
prepared by Roy F. Weston, Inc., 2/15 8 .
P. 400458-400495.
Tap Water Sampling Results, Dublin TCE Site, 2/2/88.
P. 400496-400676.
Memorandum to Ms. Henrietta Woodward, U.S. EPA, from
Mr. Cornelius F. Carr, u.S. EPA, re: File
accessibility, 3/88. P. 400677-400680.
Memorandum to Mr. Michael Mason, U.S. EPA, from Mr.
Daniel K. Donnelly, U.S. EPA, re: Transmittal of
analytical reports, 3/30/88. P. 40068r-400684.

42.' Letter to Mr. John Galligan, Jr., John Galligan and
,Sons, from Mr. Robert J. Wyatt, BCM Engineers, Inc.,
re: Filter renewal in Cublin, 4/7/88. P., 400685-
400686. '
41.
43.
44.
45.
46.
Letter to Mr. Steven F. Kemp, BCM Engineers, Inc.,
from Mr. Robert E. Cay-Lewis, PACER, re: Soil
sampling program, 4/8/88. P. 400687-400687.

Letter to Mr. Bob Cay-Lewis, PACER, from Mr. Robert
J. Wyatt, BCM Engineers, Inc., re: Monitoring well
location modification, 4/21/88. P. 400688-400689.
Letter to Mr. Michael Mason, U.S. EPA, from Mr.
Robert J. Wyatt, BCM Enqineers, Inc., re: Sampling
results, 4/22/88. P. 400690-400796.
Letter to Ms. Mary Letzkus, U.5. EPA, from Mr. Scott
Slagley,' Versar, Inc., re: Transmittal of
analytical results of the volatile organics analysis
samples, 7/25/88. P. 400797-400814.
11
,A:f1 .1 0 I Ci ~~ 5
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47.
48.
49.
50.
51.
52.
53.
54.
55.
56.
Letter to Ms. Mary Letzkus, U.5. EPA, from Mr.
Robert J. Wyatt, BCM Engineers, Inc., re: Summary
of tap water sampling results, 8/18/88. P. 400815-
400830. The results are attached.
Letter to Ms. Mary Letzkus, U.S. EPA, from Mr. Scott
A. Slagley, Versar, Inc., re: Results of volatile
organics water samples analysis, 8/24/88.
P. 400831-400834.
Letter to Ms. Mary Letzkus, U.S. EPA, from Mr. Scott
A. Slagley, Versar, Inc., re: September monthly
report, 10/4/88. P. 400835-400845. The report is
attached.
Letter to Ms. Mary Letzkus, U.S. EPA, from Mr.
Robert J. Wyatt, BCM Engineers, Inc., re: Results
of tap water sampling, 11/8/88. P. 400846-400949.
The results are attached. .
Tap Water Residential Sampling Data, 12/6/88.
P. 400950-400958.
. . .
Memorandum to Mr. Eric Johnson, U.S. EPA,: from Mr.
Daniel K. Donnelly, U.S. EPA, re: Results of
volatile organics analysis, 1/4/89. P. 400959-
400966. The results are attached. .
Memorandum to Mr. Eric Johnson, U.S. EPA,
Theresa A. Simpson, U.S. EPA, re: Review
organic data, 2/8/89. P. 400967-400998.
is attached.
from Ms.
of
The review
Memorandum to Mr. Eric Johnson, U.5. EPA, from Mr.
Daniel K. Donnelly, U.S. EPA, re: Volatile organics
analysis report, 5/2/89. P. 400999-401007. The
. report is attached.
Letter to Ms. Mary Letzkus, U.5. EPA, from Mr. John
A. Garges and Mr. John V. Interrante, BCM Engineers,
Inc., re: Transmittal of analytical results for tap
water sampling, 5/12/89. P. 401008-401215. The
results are attached.
Letter to. Mr. Peter Kho, U.5. EPA, from Ms. Virginia
H. Pohlman, Versar, Inc., re: Detection differences
for TCE, 5/18/89. P. 401216-401217.
13
AR30165F
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57.
58.
59.
60.
61.
62.
63.
Residential water sampling results, 7/21/89.
P. 401218-401228.
Memorandum to Mr. Peter Kho, U.S. EPA, from Ms.
Theresa A. Simpson, U.S. EPA, re: Organic data
review, 8/16/89. P. 401229-401290. The review is
attached.
Letter to Mr. Rich Dolcey, U.S. EPA, from Mr. John
A. Garges and Mr. Steffan R. Helbig, BCM Engineers,
Inc., re: Transmittal of analytical results for
tap water sampling, 8/28/89. P. 401291-401422. The
results are attached.
Letter to Mr. Peter Kho, U.S. EPA, from Mr. Mark
diFeliciantonio, CDM Federal Programs Corporation,
re: Data base for work assignment, 8/30/89.
P. 401423-401435. The tap water sampling summary is
attached.
Memorandum to Mr. Eric Johnson, U.S. EPA, from Ms.
Theresa A. Simpson, U.S. EPA, re: Organic data
review, 9/7/89. P. 401436-401491. Th~ review is
attached. .
Letter to Ms. Jean Cooper,. U.S. EPA, from Mr. Paul
Wooldridge, Versar, Inc., re: Transmittal of sample
shipping loq and chain of command records, 9/11/89.
P. 401492-401495. A shipping loq and two records
are attached.
Memorandum to Mr. Peter Kho, U.S. EPA, from Mr.
Daniel K. Donnelly, U.S. EPA, re: Volatile orqanics
report, 10/16/89. P. 401496-401522. The report is
attached.
64. Letter to Mr. Edwin Erickson, U.S. EPA, from Mr.
John Philip Diefenderfer, Stuckert and Yates, re:
Comments on the Consent Order, 6/25/90.
P. 401523-401530.
65.
Letter to Mr. John P. Diefenderfer, Stuckert and
Yates, from Mr. Dennis P. Carney, U.S. EPA, re:
Response to letter of June 25th and comments on the
Consent Order, 9/5/90. P. 401531-401532.
14
nR301657
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66.
67.
68.
Letter to Mr. Kenneth Kryszczun, U.S. EPA, from Mr.
Charles Walters, Agency for Toxic Substances and
Disease Registry, re: Transmittal of Draft
Preliminary Health Assessment, 10/23/90.
P. 401533-401557. The report and a letter are
attached.
Dublin TCE Site, Work Plan, (undated.)
401565.
P. 401558-
Modification to the Consent Agreement and Order of
June 29, 1987 Between United States of America and
John H. Thompson, Docket No. 1II-87-22-DC, 4/91.
P. 401566-401567.
lS
AR301658
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V.
COMMUNITY INVOLVEMENT/CONGRESSIONAL CORRESPONDENCE
IMAGERY
2.
3.
1 .
Letter to the Honorable Peter H. Rostmayer, U.S.
House of Representatives, from Mr. Edwin B.
Erickson, U.S. EPA, re: Progress of activity by EPA
at the Dublin TCE Site, 10/18/90. P. 500001-500007.
A copy of the letter with concurrences and a
transmittal letter regarding the site is attached.

Letter to the Honorable Peter H. Rostmayer, U.S.
House of Representatives, from Mr. Edwin B.
Erickson, U.S. EPA, re: Alternative options for the
water supply for residents whose wells may be
affected by contamination from the site, 5/15/91.
P. 500008-500011. A copy of the letter with
concurrences, a letter concerning a focus
feasibility study and payments of costs related to
cleanup, and a transmittal letter regarding the site
are attached.
Letter to Ms. Elaine Spiewak, U.S. EPA" from Mr.
Mark diFeliciantonio, CDM Federal Programs
Corporation, re: Fact Sheet for Dublin TCE Site,
5/17/91. P. 500012-500020. The fact sheet is
attached. .
" ,~
,S ,.l.,
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7.
9.
: 10,,'
~.,
SITE SPECIFIC GUIDANCE DOCUMENTS INCLUDED
1.
"Ultraviolet Light, Researchers Use UV Light for VOC
Destruction," Hazmat World, 5/90.
2.
Bucks County Water Supply Inventory, prepared by
Bucks County Planning Commission, 12/88.
3.
The Hazards of Using Point-of-Use Water Treatment
Devices Employing Activated Carbon, prepared by
Health and Welfare Canada, 12/80.
4.
"Bacteria Associated with Granular Activated Carbon
Particles in Drinking Water," Applied and
Environmental Microbiology,' 9/86.
5.
"Growth and Persistence of Pathogens on Granular
Activated Carbon Filter," Applied and Environmental
Microbiology, 12/85.
6.
8.
Technology Evaluation Report: SITE Pro~r~m
Demonstration of the Ultrox International
Ultraviolet Radiation/Ox~echnology, 1/90.

Ultrox International Ultraviolet Radiation/Oxidation
i;~?~~~:8;)8f~cations Analysis Report, 9/90.,
POint-of-Entry Drinking
Superfund Applications,
Inc., 6189.
EPA/600/2-89/027
Water Treatment Systems for
prepared by PEI Associates,
Environmental Pollution Control Alternatives
Drinkinq Water Treatment for Small Communities,
mo.
EPA/625/5-90/02S.
17
AR30'C
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. .
BIBLIOGRAPHY OF SITE SPECIFIC GUIDANCE DOCUMENTS
1.
A Guide to Selecting Superfund Remedial Actions,
Vi/90.
OSWER f9355.0-27FS
2.
Control of Air Emissions from Superfund Air
Strippers at Superfund Groundwater Sites.
OSWER 19533-0-2B
3.
Guidance for Conducting Remedial Investigations and
Feas~bility Studies Under CERCLA, prepared by
OSWER/OERR, October 1, 1988.
OSWER 19355.3-01
4 .
~Compenqium of Technologies ,Used in the Treatment
of Hazardous Wastes, prepared by oRB7CER1, September
1, 1987.
EPA-625/8-87/014
5.
Carbon Absorption Isotherms for Toxic Organics,
prepared by R.A. Dobbs, MERL, and J.M. Cohen, MERL,
April 1, 1980.
EPA-600/8-80-023
6.
Handbook Remedial Action at Waste Cis osal Sites
(Rev sed), prepared by ORO HWERL and OSWER OERR,
October 1, 1985.
EPA-625/6-85/006
7.
Guidance Document for Providinq Alternate Water
~, prepared by OERR, February 1, 1988.
O~3SS.3-03
8.
Remedial Action Costin
by JRB Associates/CH2M
OSMER/OERR, October 1,
. E2A-600/8-87/049
Procedures Manual, prepared
Hill, ORO HERL, and
1987.
18
I\R.30 166 f
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TABLES 1 THROUGH 5
DUBLIN TCE EARLY ACTION ROD
.
.. .
AR30166?
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  Table 1  
Affected or potentially Affected Residences and Businesses
 Known to-date  
North ProDertv Occupancy Water 
Main street Owner   Usaae (aDd)
105 DellaBadia Business 500** 
106 Dairy Queen Business 100-314+
112 Rhine station Business 37-60+ 
113 Hinsdale Residence 160** 
115 Boyle Residence 160** 
116 Occhi Residence 160** 
117 Buchanan Residence 160** 
119 Hirst Residence 160** 
122 Rufe Residence 160** 
123 Emico Business B-931-1200,
    A-100-160+
124 Meyers Residence 160** 
126 Meyers Residence/Business 300** 
128 Fluck Residence 160** 
131 Evans Post Office 160** 
130 Moyer Residence/Business A-200-300+
    B~54~199+
133 McVaugh Busines. 900-1500+
133W. Jacob. Re.idence 160** 
138 Moyer Busines. 160** 
139 Bishop Bu.iness 37-52+ 
142 First Pederal Busine.s 21-47+ 
145 Bucks Bank Busine.8 95-241+
146 Whi.tlewood Residence. 16000-17000+
149 Grady Re.idence 160** 
150 Daniel Re.idence 160** 
153 Myrick Re.idence 160** 
161 Shopping Cnt Busine..e. 6000+ 
164 HarinCJ Re.idence 160** 
169 Sou~land Buainess 179-251+
170 Tanley Residence 900-1900+
173 Hyers Residence 160** 
174 J_. Residence/Busine.. 170-215+
179 crou~_el Residence/Busine.8 500** 
183 Moyar Buaine,. 2235-2670+
194 Dublin Pire Buaine.8 1000+ 
Mill Street     
104 Parm Bureau Busine.. 500** 
120 Thompson/LTI Busines. 1- 300**1
    2- 73-106+
    3-127-311+
    4-972-1200+
   J1R301663
-------
TABLE 1 (continued)
MaDie street   
100   Shultz Residence 160**
104   Buchanan Business/Residence 500**
108   williams Residence 160**
110   Bishop Residence 160**
112   Klemco Business 160**
114   Klembeth Residence 160**
116   Rice Residence 160**
118   HilltownInvest Business 160**
120   Detweiler Residence 160**
122   Vascanez Residence 160**
126-132  Shaddinqer Residence 223-288+
134   Schillinq Residence 160**
136   Kohl Residence 160**
EieDhant Road   
111   stautter Residence 160**
113    Residence 160**
114   slaymaker Residence 160**
115   Grace Residence 160**
116   Black Residence 160**
118   Black Residence . 160**
119   Hes. Residence 160**
139   Meyers Residence 160**
141   Gahman Residence 160**
146   Moyer Re.idence 160**
147   Cetweiler Residence 160**
149   Fair Re.idence 160**
150   C81:weiler Re.idence 160**
151   sulpizio Re.idence 160**
152   Rush Residence 160**
153   Hagar Residence 160**
154   Fret:z Residence 160**
155   wor1:hing1:on Residence 160**
156   Blichasz Residence 160**
SOU~ Main sueet:
101
Du))lin Inn
Business
302-364+
KEY
*Bourough Hyclrogeologis1:' s Es1:ima1:e.
** EPA zst:imate based on similar use and GuidanceCocuments
+ Dublin Bourouqh Ac1:ual Measurements
A and B refer to two wells on site
1,2,3 and 4 reter to poin1: .easurments of water usage
. - wa1:ar supply no longer in use
AR3016:flt
-------
Table 2
Residents and Businesses tor Monitorinq Proqram
Known to-date
South Main street
103.
105
106
MaDle street
111
113
119
121
123
127
131
Woodedq8 Apt..
cherry Lana
105
107
111
115
119
121
EleDhant Road
162
164
166
168
172
174
178
DeaD Run Road
101
103
105
108
109
110
112
111
114
An301rFr;:
-------
Middle Road
104
105
111
112
115
116
117
Rickert. Road
Killtown Town.bip
TABLE 2 (continued)
Home at corner ot Rickerts
3304
3234
3232
3224
3212
3206
3132
3126
3020
3000
2930

DUblin Bo~O\1CJ.
Dublin Acre.
state Police
Frontier Road
215
217
and North Main street
~ ~L] n .,
.-
-------
1, 1, 1-Trichloroethane+
Table 3 
Remedial Maximum
Action Level On-Site
 Level
(ppb) (ppb)
200a 53.8
Sa 10,000
Sa 13
7a 9.8
70a 14.7
100a 7.4
2a 28
contaminant
Trichloroethylene
Tetrachloroethylene
1,1-Dichloroethylene
ciS-1,2-Dichloroethylene*
trans-l,2-Dichloroethylene*
vinyl Chloride
Notes:
a-
*-
Maximum contaminant Level .
compounds have not exceeded the MCLs in the groundwater at
the site but are degradation products of Trichlorethylene
and Tetrachlorethylene and, thus, may increase in .
concentration over time .
compound has not exceeded MCL
+-
t\R,101667
-------
Law, Regulations or
Standard
.8D_a:a,.
Safe Drinking Water Act
standards of
Perforaance for New
Stationary Source

National Aabient Air
Quality Standarda(NAAQS)
;DI
::c
c..v
C>
National Eaission
Standard for Hazardous
Air Pollutants (NESHAPS)
(T\
0"\
ex>
'1'ABLB 4
UPLXCUL8 OR BBLBVUT UD UPBOPBIATB BBQUIBBKBliTS (ARABS)
Source of Reaulation
Safe Drinking Water
Act, 40 CFR 141 through
143
Clean Air Act, 40 CFR
60
Clean Air Act, 40
cra 50
Clean Air Act, 40
CFR 61, Subpart F
Description
This Act establishes maximum con-
taminant levels (MCL) and MCL goals
(MCLG) at levels that would result
in no known or potential adverse health
affects. MCLs are enforceable health
goals. In addition, this Act establishes
guidelines tor secondary drinking water
standards.
These regulations establish the general
provisions and performance standards
for stationary sources of air emissions.
These standards define levels of air
quality which are necessary to protect
public health. Standards have been
established for sulfur oxides,
particulate matter, carbon monoxide,
ozone, nitrogen dioxide, and lead.
This regulation establishes emission
levels for vinyl chloride.
Alternative Affected
This Act affects all
alternatives.
These regulations
affect the alternative
6 and 7.
These standards affect
the alternative 7.
This regulation affects
alternatives 6 and 7.
-------
Law, Regulations or
standard
I'D-a.I.
Hazardous Waste
Manageaant system:
General
Resource Conservation
and Recovery Act (RCn)
TABLB .
..PLICA8L8 OR aBLBVAHT AND APpaOPRIATB RBQUIaBKBHTS (ARABS)
(continued)
Source of Reaulation
Descriction
40 crR 260, et.sq.
RCRA regulates the generation, trans-
port, storage, treatment, and disposal
of hazardous wastes. CERCLA S l04(c)
(3)(8) specifically requires that
hazardous substances generated from
remedial action be disposed of at
facilities in coapliance with Sub-
title C of RCRA.
RCRA Subtitle C S 3002
40 crR 262, Part 264
Subpart 8-H, Part 268
Section 262 establishes standards for
generators of hazardous wastes. This
section requires that generators comply
with the requirements for identifica-
tion, accumulation, recordkeeping, and
reporting. section 264 establishes
standardg for the operation of
hazardous waste treat.ent, storage and
disposal "facilities. Section 268
establishes restrictions on the land
disposal of hazardous waste.
Alternative Affected
RCRA Subtitle C affects
alternatives 4, 5, and
and 6.
These regulations
affect alternatives
4. 5. and 6.
-------
Law, Regulations or
Standard
STATE
Community Environmental
Control Regulations
Air Quality Control
Regulations
I
Waste Management
Regulations
TUL8 ..
APPLICABLE OR RELEVANT AND APPROPRIAT8 R8QUIR8MBHT8 (ARAR8)
(continued)
Source of Requlation
PA 25 Code Section
109.202(1), 109.201(2),
109.203, 109.503
PA 25 Code section
121.12(a)(5), 121.14,
123. Jl
PA 25 Code section
261.24, 213.421,
15
Description
This Chapter sets forth drinking water
quality standards at least as stringent
as federal standards: maximum contaminant
levels (MCLs), and additional ~
requirements: secondary maximum contaainant
levels and health advisories for
those compounds lacking MCLs for public
water systems including permit design
and construction, source quality
and siting requirements.

This Chapter on .Construction, Modification,
Reactivation and Operation of Source- requires
the use of Best Available Technology (BAT) for
control of new sourceE, plan approval and
operating permit requirements, and 8pecial
requirements for sources in nonattainaent
areas.
These chapters set forth the requirements
for the handling of residual and other waste
and for the determination of hazardous waste by
the Toxic Characteristic Leaching Procedure
Pennsylvania has been delegated to implement
most but not all of federal RCRA regulations.
Alternative Affected
This regulation
affects all
all alternatives. .
This regulation
affects
alternative
6 and 1.
This regulation
affects
alternatives
4,5 and 6.
o
,....,.
\D
-
o
~
a::
c::r
-------
Law, Regulations or
Standard
I'BDDAL
RCRA and DOT standards
applicable to
transporters of
of hazardous waste.
RCRA Air Emission
Standards for
Process Vents
Occupational Safety
and He~th Act (OSHA)
Delaware River
Basin Commission
 -
 "
 \D
 o
J M
 0:
 ex
TABLB 4
APPLICABLB OR RBLBVANT AND APPROPRIATB RBQUIR8MBMT8 CARARS)
(continued)
Source of Requlation
RCRA subtitle C S 3003,
40 CrR 263 and 49 CrR 171
through 180
RCRA 40 crR 264
subpart AA
29 crR 1910
18 CrR 430
DescriDtion
These regulations establish
the responsibilities of
generators and transporters of ,
hazardous waste in the handling,
transportation and .anageaent of such
wastes. These regulations concern
manifesting, labeling, using proper
containers, recordkeeping, and
reporting discharges.

The regulations set forth establish
requireaents for the reduction of
of organic e.issions froa proce88
vents used at a facility.
This Act ,establishes guidelines,
requirements, and regulations to pro-
vide for the health and safety of
of workers conducting remedial
action activities.
This regulation establishes
requirements for the extraction
of groundwater within the Delaware
River Basin. As a general rule, this
regulation requires that permits be
obtained for wells which
extract more than 10,000 gpd from a
point source in groundwater protection
areas.
Alternative Affected
The8e regulations
affect alternatives
4, 5, and 6.
Affects Alternative
6.
This Act affects all
alternatives.
This regulation will
affect alternatives
2, 3, 5, 6, and 7.
-------
'l'AIIL8 .
anLICUL8 oa RBLBVUI'I' MID &»11801181&'1'8 8BgUI881U111'1'8 (AIWtS)
(continued)
Law, Regulations or
Standard
Source of Reaulation
Description
'1'0 B8 COD8id8r8d
EPA Office of Solid
Na8te and Eaergency
Respon8e Directive
Directive
9355.0-28
Procedures for deteraining the risk associated
eais8ione froa Superfund Air Strippers at
Superfund Groundwater sites
~
-:0
~-->
~
n
';.,J
\)
Alternative Affected
This procedure
will apply to
alternative
6.
-------
TABLa 5
COS'! SmaGJty
ALTERNATIVE
CAPITAL
.ill.
1
o
2
2,200,000
3
2,600,000
4
100,000
5
3,000,000
6
3,100,000
7
3,100,000
O&K
111.
138,000
169,000
390,000
250,000
300,000
260,000
PRESENT WORTH*
111.
o
o
2,600,000
3,300,000
2:800,000
4,500,000
5,000,000
4,600,000
. Pres8l1't Worth C081:8 are ..timatect over a 30 year period at a lot discount ratE
ItR,30 I 673
-------
PARAnETER
:mSAR
:eEf,)RE TiiEATnENT
DUE SAnPlE NO. (ON( DIIP SAnPlE NO. (OH( DUP ! SAnPlf NO. (ON( OIiP
IU6/L1 IUG/LJ !UGIL HUGill: flJ~/LI IUGiL i
AfTER THEATnENT
SAnfLE H'). (ON( OIiP
fU~/L i (UGIL I :
,
MAnE. ADDRESS
: nPE (If :(UlLl~AH: 410-
: 'i\"En :sYm~? :1i1E~T1E~T
:rp('l': :fY:ytsl :fv:,tsl
:P~ln!' :(N:MI :IN:nol
:o'-tJSt I :
: Ill. LEVEL
: I:!([ (SuQ/l
: 1I:~t~1~O'JQ/t
: III: rCE! i~'jIJ9il '
!ecn
BEFORE TREATnENT
AfTER TRWnENT
[[[ --........... -........ --.. -...................... -.... -..... -- ---.... -.... .......- ---.. -- ......--................ -...-_...................... -- --...... --.. --..... ...--.... ....---.. ---.. ....-- ---- --.... ---.....----...... ---- ..................... ------....... ............-........
41 snEll, 11 ~ CHERRY lANE
: TrichlnrQtthtnt
: I.I.I-Trlchloropthant
DS-OHQ
05-01-~9
NA
NA
: '6I7-(-H
: 4617-(-11
(1.0
1.4
,
.................. --- ........-............... -- ..-................. --.................... ---.... --.... --................ --.......... --................ ........ -----.. ---.... ......--....--- ---.. --- ----.......- -------.. ...----- --- --- ----..._- -- ---.......-...--........-----.....--..---...-----......... ..--.. --.._-.. - - -...-...... ......... ...................................- .
4' VAN~U LEWU. 1~6 ElEPHANT R~.:
: Trichi ~r~,thtnt
OS-O)I-~O
NA
: '617-(-24
(1.0
....................... .................... - -...... ...-.... -- --.... --... - - ---.. - ---..... -.. -.. -... - - --... - - - -- -- - - - - -.... - -- - - -- - --- --- -...... -- ---.. .....- ---- -............ ...--..- ...-............... .....----...---.. -- - -... -...... ---..... ..-...-....-.............. ....................-----.....---............ ................ ....- ...---... _8..__...... ...-........ ...-......---..-- ........:
!S $"IIH. 168 EWHANT RD.
'Ir ichloro~!hpn,
05-01-89
NA
: '617-<-25
(1.0
-...... ...--- ..-....--... - - -........ - - ..-...-... ....-...-... -.. - - - -.. - - - - - -- - - - - - -- - - - -.. -.... - - - -.. -- _.............- -- - -.. -.. -.. -- -- - --- - -.. -.. - -...--- -...--- ...-- - ---- -- -..-----.. - --... ..-- - -- ...-.....-- .......... .................... ........................-...-....----..--..--........- ................. -.....-......-... ....-.............--.. ............ ...--...---....
36 noms ['AI~Y, t!~ H. nAIN ST. : H~NE II : irlchior~~'h'n~ I)HI-89 NA " 6\1-(-02 1.3 
, 
     : irirniN.t'u~tnpnp 11-0i .80 U ' 5120-( -01 (1.0 
     , 1-
     :npthJ!tn~ (hl~rld, 12-04-89  : 5110-(-01 2. QB
     : Trkhiorotthtnp O~-0409O U ' 5429-( -01 1.1 
     , 
     : I, 1.1-Tr\chl~r~pthanp 06-0HO  I 5429-( -01 1.0 
      , 
     : TrlcMorotthtnt 12-0H\' 1.1 '   
     ,   
     : Irlchlorotthpnp 06-06-91 9.0 '   
     ,   
.....-........... -... -................. -.. - .......... -...........................-......-...... -.... -..... -.. -................. -- -.........-... -...... -... -....- -..... -...... -.......................-.. .......--...- - ..................... -....-.... ..--.... -- -...... -... -- - -- -......... - - - - - - - - - - ......... -----.... ----- -.. -.. --.. --- - - --.. --- ----- ....- ....-.. -... ..-...---............-...... ...-......--.. -...................... - - -... !
87 !ERTOLfT. lOt om RUN
: NONE
: Tr\chlor~tthtnt
Ol-OHO
N-
: (8F12/(8f.~3 (S.O
(5.0
I
-.. - -...... -- - - -... -......... - -... --...-... -..- -.. --..................... -.........- - -.. -............. -... - -... - -.. ....-- - -.. - -..... - -..... - - -......... -.............. -...- - -.....- - - -......... - --..- -- - - -- -... -- --.. -- - ...-- -... ---...... - - -- - --- --- - --.. -- -- --...... -...... -... ----- -.. ..-.... -- -..----.....- -... -..... -........ -..... ..-......... -... - -- --..--....-...... .
as Hm. 119 ElEPHANT RDA[J
: Nl1HE
.
.
: TOUl :
I
.
II
: Trlchloroethtnt
: I. 2-Dlchlor~tthent
: Trlchlorotthpnp
: Trlchlorotthent
02-06090
02-06-90
01-04091
06-06091
NA
NA
SU
18.0
(1.0
(1.0
: C8m
: CBF3'
I
,
:
110
JJ
,
,
I
,
I
.... -... -......... - -.. - - - -.. -... -.. - -- - -- - -.... - -.......... -.... -............. - -.... -..... -....... -............................ - -... - -........ -...... - - --... - - -.. - - -... - ...--.. -....................-........ -.......- -.. -..... -- -..-.. - -... -- -- - - -- - --.... -.. - -- ---.................. ...--.............. .......---....... -- -.... --.. - - -...- - - - -... -.. - - - - - -- -.. - -.. -- - -...- -.. - - t
NA . NOT ANAl YZEO
NO . NOT DmCTED
8U . BOTTlED UATER
J . ANAlYTf PRESUT. REPORTED VAlliE nAY NOT BE A(CURATE OR PRECISE.
-------
r-- --
1\ ~f>(ND \ X C
1AIIf. ADOtfSS
: TYPE Of : CUlll6AN: 8/1}-
: Smfn :SrsTEn? :TRUTnfNI
:Irou. :fY.yul :lhYUI
:rolnl- : (II'~~ I : IN'no I
:ot-usel :
: lIta lEVEL ;8Cft(NH')
: 1:I(Wuo/l ,
:" :5!o26QuO/l :
: 1II,ICEI1oOu?il:
pmnnu
-t\,n. ""'J\-> t:. J lj I
:vmAp.( L rl1L ,,'" . ,,?I-.t ')
,mORE IfiUTnfNI MlER IREAlftfNT
om SAnPlE N(I. CON( ouP SAnPLE NO. (ONC N'P: SAnPLE NO. CONC Ol'P SAnPLE N~. CONf. oup
1l1~/LI fl)~iLl IU~/U 'U~/ll: "JGIL I 'I/~IL t IlIG/lI fus/ll ,
8ffORE IREAlnfNI
AmR IREATnfNI
: 11011£
N
III
..-...-..---------- --- ....-------... -.-.- ---.-.. -.....----.........- ---.....-...- -.....-...........-......---...."" -........... ......... .----...--- ---....... ..-........------_........ ...-.. --.... -.......... --...... ..-..-.. ....----- -- ---.... -....... ......- --.... -.. ----.... ..-..... -......-- -_..-...... ....... ........ .....--...---..----- .
184.0 2.7
149.0 U
129.0 11.3
141.0 21.2
111.0 13.0 .

n.n. - --- ~ -- -- "00 -.-- -.-- - - - 'n----'-"- -.---.-- --.-.- -. -..- '00"- .00_.00.. 00 00 -... 00 - --'--0000' - ------ --. --. .-. -... --~n -.. --00'-- -- '--00_- --. -- ----... - '1'--'-- -- -- - --.-- --. --00 --.. - - --. - -. - n_. --. --00 --.. - - - -. -.. n. :
I DUIlIN HAROI/AIf. 105 N. nAIM
: 'ri~lI!orOttn~n~
: I.!rorilioro~th~n~
: Irkhl~r"~t~tnt
: Irl~hiorn,th..n~
: Irl~hl~ro~th~~e
: Irlchloro~!h~nt
: Irlrhl"r,~tntn~
: Irtclll"rodhen~
: Trichloroethent
; Ir!chloro.lhene
: Irlchloroelhent
: Irlchloro.!II.n.
:nt!h,lene Chloride
:Chlor~torl
:I. 1-0 I chi oro~ODtnt
: Trlchloroelhene
:r elrechloroethen.
: Irlchloroethtne
: Trlchlorotthen.
:Trlchlorofth.ne
: Trlchloro.thene
: Irlchtoro.th.ne
: TOUl :
.
"""..'
OHHt
08-0H6
12-0H6
11-QHi m.\O~, II
QJ-OH8
')6-06-88
04-0b-5~
IHHS
03-07-8~
06-0H~
04-06-8~
I2-0H4
12.06-84
OJ-OHO
OJ-0504O
03'OS-~0
03-05090
06.04-90
09.04090
12-03090
03-04091
06-07-91
27.0
1.0
3U
U
14.3
(1.0
4.\ ~
.7. .,
140.0
348.0
201. 0
110.0
It." 724J02.0
(1.0
".6
U
II.')
-------
mil Of :CDlJJml 110- 1 TIU "'VEL :m mOil mmUT Iml nUTJUT :mm I
: usrn :USTU! :TUITI£IJ II:TCII\.,n :mOll mnnn . InE! nUTIUT 1
IlPOII = lIf:lul :!T:lul :II:\loliD.,n: .muTU UTI IImIIO. COIC 10. SUPLS 10. COIC DO' : mILS 10. COIC 18' SU'Li 10. COIC 18' I
:roill - 111:101 : U:IOI :II J :fUlno.,n: IDG/LI IDG/LI IK/LIfDG/L1: IKnl IK/LI IK/~I IK/LI I
lol-ml: I I
-........ -.-. "" - ........ .......... -..... ....... -... - -.. -........ - - - - -. - - - - - - - - - - - -... - -... """"'" --.. -..... ...... ...". - .... .......... - -.. - noo....... - - - - -..... ................ '"'''' .......... '''''''''''''''.....1
II1/SlLlIDOI ms. 1111. 11/11 1011 I I III :fllClloroethu 06-11-11 411.0 - I I
I I 11.1.I-TrirlJoroethae 81.11.16 J.D . : I
1 ITridloro.lhu 01.11-11 100.0 . I I
1 : ITrirUoro.lhae 11-1"16 11.9 II . I I
I POm I I :lrolO.ir.JorouOIll I)-n.n mm 11.0 1JI4IJ].I. I I
1 IlrolOlolI 1)-IJ.n &J11U 11.1 &J1f1J ItJ . I I
I Im-I,HirUoro,ro,... u-IJ-n mm 11.1 IJIIII U . I I
I UrieUoroelhae U.1HI IUIU]lU IUIII U . 1 I
I I I lIilll CUoli.. U.ll.n I1IfI) 1.1 lUlU 11.1 . I I
I I I Urirlloroethu 11.)1.11 JII.I 11.1 . I I
I I I :frirlJoroethu 11.11-11 m.1 ILl . I Hllm t.J I
I I I UridJoroelhu It.II.11 16.1 1/.1 . I I
I I I IfrirUoroetlu. U.II.II 1IU 1/.1 . I I
J I I Ifrirlloroethu 1),11." m.1 ILl . I I
I I I ITrirUoro.tlm 11.11 -n lIU 11.1 . I I
I I I Ifrie.'oroll.... It.".n Itl.l 11.1 . I I
I I I ITrirlllneOu. 11.11-" III" 11.1 . I I
I I I 1010rololl 11-11," . . "un.1S 1.11 I
I I I IfrirlJoroetlu. 11-11," 11'" 11.1 . I nun-IS IUI I
I I I IT.tmlloroethu I!-II." IU 11.1 . I IIIm.1S 11.1 I
I I I lIilII OJorih U.IHI 15.1 11.1 . I ,.lm.1S 11.1 I
I I I ITrirUonethu 11-11." m.l 11.1 . I SIlt.C.II tJI.U SIlt.C.It 11.1 I
I I I IIrDlolor. II.It.11 m.1 . I SUI-C, II 11.1 Silt-c. It I.U I
I I I IJrDlO.icIIDIIII.llm 1I.1t-" . I SIlt.C.II 11.1 sm.c.It I.U I
I I I mbOlorllllOl.lhll 86.01-91 . I SIlt.C.II 11.1 sm-c-It I.n . I
I I I 11.1.lirIlOfltU... II.It." . I SIlt.C.1I II-IL SIlt.C.It IU I
I I I 11.I.J-rrirlloIllUm 11..1-91 . I SIlt.C.1I J.n sm,c'lI 11.1 I
I I J I ITricUIIGlII'" 1I.1t.,. 1IJ.I 11.1 . I "'''S.II JIU J
I I I I II.I-lidlollell... 0I.1t." . I IHtIS.1I I.U I
1 I I I 1I.1.lirll.rItUm It.It." . I MltIS.It I.U I
I I I I Iris.I.J'JidJillell... 11.11." . I "ltIS.It 11.1 I
I I I I 1I.J.Hlir..lrnUm II.It." . I "ltls-tJ 1.1 I
I I I I U.lm"IIIUu. It-IHI I ,,"n." I.U I
I I I I UririII/GlU", 11.11." . 111.1 1),1 . I smc.II m.n I
I I I I 1I.IHrirllllltUm 11.11-11 . I smc'lI 8.J I
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BEFORE IREA In£HT
AF TER TREA TnENT
PARAnETER
:VWAR
:~E;I)RE TownENT
OATE SAnPLE NO. (ON( Ol.IP SAnPlE NO. COHC OUP : SAnPLE NO. CON( OIiP
fUG/LI IUG/LI fUG/LI fUG/LI: (IJ~IL I rU~iL i
AFTER TREATnENT
SAnFLE H'j. CONC OIiP
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43 snELL. 110 CHERRY LANE
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5i VAN~Eii L EClIU. 166 ELEFHANT RO.:
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NA . NOT ANAL HEll
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J . ANAL HE PR[SENT. REPORm VAlliE nAY NOT BE ACCURATE OR PRECISE.
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