81_FR_94509 81 FR 94262 - National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the North Penn Area 6 Superfund Site

81 FR 94262 - National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the North Penn Area 6 Superfund Site

ENVIRONMENTAL PROTECTION AGENCY

Federal Register Volume 81, Issue 247 (December 23, 2016)

Page Range94262-94267
FR Document2016-31032

The Environmental Protection Agency (EPA) Region III is publishing a direct final notice of partial deletion of a portion of the North Penn Area 6 Superfund Site (Site) located in Lansdale Borough, Montgomery County, Pennsylvania, from the National Priorities List (NPL). The deletion affects approximately 6.5 acres located at 135 East Hancock Street (the ``Administrative Parcel''). The NPL, promulgated pursuant to section 105 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, is found at Appendix B of the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This direct final partial deletion is being published by EPA with the concurrence of the Commonwealth of Pennsylvania, through the Pennsylvania Department of Environmental Protection (PADEP), because EPA has determined that all appropriate response actions at the Administrative Parcel under CERCLA, other than five-year reviews, have been completed. However, this partial deletion does not preclude future actions at the Administrative Parcel under Superfund. This partial deletion pertains to soils and groundwater of the Administrative Parcel portion of the Site. The other portions of the Site will remain on the NPL, and are not being considered for deletion as part of this action.

Federal Register, Volume 81 Issue 247 (Friday, December 23, 2016)
[Federal Register Volume 81, Number 247 (Friday, December 23, 2016)]
[Rules and Regulations]
[Pages 94262-94267]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2016-31032]


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ENVIRONMENTAL PROTECTION AGENCY

40 CFR Part 300

[EPA-HQ-SFUND-1989-0009; FRL-9957-31-Region 3]


National Oil and Hazardous Substances Pollution Contingency Plan; 
National Priorities List: Partial Deletion of the North Penn Area 6 
Superfund Site

AGENCY: Environmental Protection Agency.

ACTION: Direct final rule; notice of partial deletion of the North Penn 
Area 6 Superfund Site from the National Priorities List.

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SUMMARY: The Environmental Protection Agency (EPA) Region III is 
publishing a direct final notice of partial deletion of a portion of 
the North Penn Area 6 Superfund Site (Site) located in Lansdale 
Borough, Montgomery County, Pennsylvania, from the National Priorities 
List (NPL). The deletion affects approximately 6.5 acres located at 135 
East Hancock Street (the ``Administrative Parcel''). The NPL, 
promulgated pursuant to section 105 of the Comprehensive Environmental 
Response, Compensation, and Liability Act (CERCLA) of 1980, as amended, 
is found at Appendix B of the National Oil and Hazardous Substances 
Pollution Contingency Plan (NCP). This direct final partial deletion is 
being published by EPA with the concurrence of the Commonwealth of 
Pennsylvania, through the Pennsylvania Department of Environmental 
Protection (PADEP), because EPA has determined that all appropriate 
response actions at the Administrative Parcel under CERCLA, other than 
five-year reviews, have been completed. However, this partial deletion 
does not preclude future actions at the Administrative Parcel under 
Superfund.
    This partial deletion pertains to soils and groundwater of the 
Administrative Parcel portion of the Site. The other portions of the 
Site will remain on the NPL, and are not being considered for deletion 
as part of this action.

DATES: This direct final partial deletion is effective February 21, 
2017 unless EPA receives adverse comments by January 23, 2017. If 
adverse comments are received, EPA will publish a timely withdrawal of 
the direct final partial deletion in the Federal Register informing the 
public that the partial deletion will not take effect.

ADDRESSES: Submit your comments, identified by Docket ID no. EPA-HQ-
SFUND-1989-0009, by one of the following methods:
     http://www.regulations.gov. Follow on-line instructions 
for submitting comments.
     Email: [email protected].
     Mail: U.S. Environmental Protection Agency, Region III, 
Attn: Huu Ngo (3HS21), 1650 Arch Street, Philadelphia, PA 19103-2029
     Hand Delivery: U.S. Environmental Protection Agency, 
Region III, Attn: Huu Ngo (3HS21), 1650 Arch Street, Philadelphia, PA 
19103-2029, Phone: 215-814-3187, Business Hours: Mon. through Fri.--
8:00 a.m. to 4:30 p.m. Such deliveries are only accepted during the 
Docket's normal hours of operation, and special arrangements should be 
made for deliveries of boxed information.
    Instructions: Direct your comments to Docket ID no. EPA-HQ-SFUND-
1989-0009. EPA's policy is that all comments received will be included 
in the public docket without change and may be made available online at 
http://www.regulations.gov, including any personal information 
provided, unless the comment includes information claimed to be 
Confidential Business Information (CBI) or other information whose 
disclosure is restricted by statute. Do not submit information that you 
consider to be CBI or otherwise protected through http://www.regulations.gov or email. The http://www.regulations.gov Web site 
is an ``anonymous access'' system, which means EPA will not know your 
identity or contact information unless you provide it in the body of 
your comment. If you send an email comment directly to EPA without 
going through http://www.regulations.gov, your email address will be 
automatically captured and included as part of the comment that is 
placed in the public docket and made available on the Internet. If you 
submit an electronic comment, EPA recommends that you include your name 
and other contact information in the body of your comment and with any 
disk or CD-ROM you submit. If EPA cannot read your comment due to 
technical difficulties and cannot contact you for clarification, EPA 
may not be able to consider your comment. Electronic files should avoid 
the use of special characters, any form of encryption, and be free of 
any defects or viruses.
    Docket: All documents in the docket are listed in the http://www.regulations.gov index. Although listed in the index, some 
information is not publicly available, e.g., CBI or other information 
whose disclosure is restricted by statute. Certain other material, such 
as copyrighted material, will be publicly available only in hard copy. 
Publicly available docket materials are available either electronically 
in http://www.regulations.gov or in hard copy at:
     U.S. EPA Region III, Superfund Records Center, 6th Floor, 
1650 Arch Street, Philadelphia, PA 19103-2029;

[[Page 94263]]

(215) 814-3157, Monday through Friday 8:00 a.m. to 5:00 p.m.
     The Lansdale Public Library, 301 Vine St, Lansdale, PA 
19446; phone (215) 855-3228. Monday through Friday 10:00 a.m.-9:00 p.m.

FOR FURTHER INFORMATION CONTACT: Huu Ngo, Remedial Project Manager 
(3HS21), U.S. Environmental Protection Agency, Region III, 1650 Arch 
Street, Philadelphia, PA 19103-2029; (215) 814-3187; email: 
[email protected].

SUPPLEMENTARY INFORMATION:

Table of Contents

I. Introduction
II. NPL Deletion Criteria
III. Partial Deletion Procedures
IV. Basis for Partial Site Deletion
V. Partial Deletion Action

I. Introduction

    EPA Region III is publishing this direct final Notice of Partial 
Deletion of a portion the North Penn Area 6 Superfund Site from the 
National Priorities List (NPL). This partial deletion pertains to the 
soils and groundwater of the Administrative Parcel portion of the Site. 
The NPL constitutes Appendix B of 40 CFR part 300, which is the 
National Oil and Hazardous Substances Pollution Contingency Plan (NCP), 
which EPA promulgated pursuant to section 105 of the Comprehensive 
Environmental Response, Compensation and Liability Act (CERCLA) of 
1980, as amended. EPA maintains the NPL as the list of sites that 
appear to present a significant risk to public health, welfare, or the 
environment. Sites on the NPL may be the subject of remedial actions 
financed by the Hazardous Substance Superfund (Fund). This partial 
deletion of the North Penn Area 6 Site is proposed in accordance with 
40 CFR 300.425(e) and is consistent with the Notice of Policy Change: 
Partial Deletion of Sites Listed on the National Priorities List. 60 FR 
55466 (Nov. 1, 1995). As described in 40 CFR 300.425(e)(3) of the NCP, 
a portion of a site deleted from the NPL remains eligible for Fund-
financed remedial actions if future conditions warrant such actions.
    Section II of this document explains the criteria for deleting 
sites from the NPL. Section III discusses the procedures that EPA is 
using for this action. Section IV discusses the Administrative Parcel 
of the North Penn Area 6 Superfund Site and demonstrates how it meets 
the deletion criteria. Section V discusses EPA's action to delete the 
Administrative Parcel portion of the Site from the NPL unless adverse 
comments are received during the public comment period.

II. NPL Deletion Criteria

    The NCP establishes the criteria that EPA uses to delete sites from 
the NPL. In accordance with 40 CFR 300.425(e), sites may be deleted 
from the NPL where no further response is appropriate. In making such a 
determination pursuant to 40 CFR 300.425(e), EPA will consider, in 
consultation with the Commonwealth, whether any of the following 
criteria have been met:
    i. Responsible parties or other persons have implemented all 
appropriate response actions required;
    ii. all appropriate Fund-financed response under CERCLA has been 
implemented, and no further response action by responsible parties is 
appropriate; or
    iii. the remedial investigation has shown that the release poses no 
significant threat to public health or the environment and, therefore, 
the taking of remedial measures is not appropriate.
    Pursuant to CERCLA section 121(c) and the NCP, EPA conducts five-
year reviews to ensure the continued protectiveness of remedial actions 
where hazardous substances, pollutants, or contaminants remain at a 
site above levels that allow for unlimited use and unrestricted 
exposure. EPA conducts such five-year reviews even if a site is deleted 
from the NPL. EPA may initiate further action to ensure continued 
protectiveness at a deleted site if new information becomes available 
that indicates such action is appropriate. Whenever there is a 
significant release from a site deleted from the NPL, the deleted site 
may be restored to the NPL without application of the hazard ranking 
system.

III. Partial Deletion Procedures

    The following procedures apply to deletion of the Administrative 
Parcel portion of the Site:
    (1) EPA consulted with the Commonwealth of Pennsylvania prior to 
developing this direct final Notice of Partial Deletion and the Notice 
of Intent for Partial Deletion co-published today in the ``Proposed 
Rules'' section of the Federal Register.
    (2) EPA provided the Commonwealth 30 working days for review of 
this notice and the parallel Notice of Intent for Partial Deletion 
prior to their publication today, and the Commonwealth, through PADEP, 
concurred on the partial deletion of the Site from the NPL.
    (3) Concurrently with the publication of this direct final Notice 
of Partial Deletion, a notice of the availability of the parallel 
Notice of Intent for Partial Deletion is being published in a major 
local newspaper, The Reporter. The newspaper notice announces the 30-
day public comment period concerning the Notice of Intent for Partial 
Deletion of the Site from the NPL.
    (4) The EPA placed copies of documents supporting the partial 
deletion in the deletion docket and made these items available for 
public inspection and copying at the Site information repositories 
identified above.
    (5) If adverse comments are received within the 30-day public 
comment period on this partial deletion action, EPA will publish a 
timely notice of withdrawal of this direct final Notice of Partial 
Deletion before its effective date, and will prepare a response to 
comments and continue with the deletion process, as appropriate, on the 
basis of the Notice of Intent for Partial Deletion and the comments 
already received.
    Deletion of a portion of a site from the NPL does not itself 
create, alter, or revoke any individual's rights or obligations. 
Deletion of a portion of a site from the NPL does not in any way alter 
EPA's right to take enforcement actions, as appropriate. The NPL is 
designed primarily for informational purposes and to assist EPA 
management. Section 300.425(e)(3) of the NCP states that the deletion 
of a site from the NPL does not preclude eligibility for future 
response actions, should future conditions warrant such actions.

IV. Basis for Partial Site Deletion

    The following information provides EPA's rationale for deleting the 
Administrative Parcel portion of the Site from the NPL:

Site Background and History

    The North Penn Area 6 Superfund Site (EPA Identification Number 
PAD980926976) is located primarily in Lansdale Borough, Montgomery 
County, Pennsylvania. The Site is comprised of multiple properties 
contaminated primarily with volatile organic compounds (VOCs) in the 
soil and associated groundwater contamination. One of the properties 
consists of approximately 10 acres of land located at 135 East Hancock 
Street in Lansdale Borough (the ``Property''). The Property was 
formerly occupied by the Tate Andale Company, and later by the Rogers 
Mechanical Company. The Administrative Parcel is comprised of 
approximately 6.5 acres located within the Property.
    The current owner of the Property, including the Administrative 
Parcel, is

[[Page 94264]]

Andale Properties, LLC. Andale Properties, LLC plans to redevelop the 
Property for future residential purposes. Andale Properties, LLC has 
divided the Property into four Phases (1 through 4) for redevelopment. 
The Administrative Parcel is comprised of Phases 2 and 3.
    The Property is currently occupied by three buildings, portions of 
two former structures, and footers and concrete pads from previous on-
site buildings. A treatment system operated currently by EPA for 
treatment of groundwater and multiple monitoring wells are also present 
at the Property. The Property is bordered to the southwest by East 
Hancock Street, and to the west, northwest, and east by railroad lines. 
The ground surface elevation of the Property is approximately 370 feet 
above mean sea level. The Property consists of relatively flat terrain 
with a gradual slope towards the southwest. There are no surface water 
bodies located within the boundaries of the Property. The nearest body 
of water is the Towamencin Creek, which is located approximately 2,800 
feet southwest of the Property. Surface water runoff following 
precipitation events either infiltrates the ground surface or drains 
towards the western portion of the Property prior to entering a swale 
adjacent to the neighboring railroad tracks. Surrounding land use 
includes commercial, industrial, and residential uses.
    The Tate Andale Company formerly occupied the Property dating back 
to at least the 1920s, and historically used the Property to fabricate 
oil coolers, heaters, and strainers. Rogers Mechanical Company 
purchased the Property in 1985 and operated a plumbing and heating 
business. The former Tate Andale Company was one of twenty-six property 
owners/operators to be identified as a potentially responsible party 
(PRP) at the Site following the detection of groundwater contamination 
in the Lansdale area in 1979. North Penn Area 6 was proposed to the 
National Priorities List on January 22, 1987 (52 FR 27620), and became 
a Superfund Site when the listing became final on March 31, 1989 (54 FR 
13296). EPA divided the Site into three operable units (OUs). Operable 
Unit One (OU1) consists of Fund-financed response actions to address 
the contaminated soils at certain of the properties that comprise the 
Site. Operable Unit Two (OU2) consists of PRP-financed response actions 
to address the contaminated soils at certain other properties that 
comprise the Site. Operable Unit Three (OU3) consists of Fund-financed 
and PRP-financed response actions to address the contaminated 
groundwater over the entire Site. All activities associated with 
investigation and remediation at the Property were performed by EPA and 
financed by the Fund, and are part of OU1 and OU3. The Administrative 
Parcel consists of soils and groundwater on the aforementioned 
approximately 6.5 acre portion of the Property.

Remedial Investigation and Feasibility Study (OU1)

    Soils at the Property were investigated as part of the OU1 Remedial 
Investigation and Feasibility Study (RI/FS). The OU1 RI at the Property 
focused primarily on a coal ash and scrap metal pile located on the 
southwestern portion of the Property and another area on the eastern 
portion of the Property. Soil gas and soil samples were collected from 
these areas, and elevated levels of VOCs were found in the area on the 
eastern portion of the Property. Trichloroethylene (TCE) was detected 
at concentrations up to 4600 [mu]g/kg, and contaminants associated with 
the breakdown of TCE were also found at elevated levels. The Risk 
Assessment determined that the contaminant levels would present a risk 
to groundwater, and a cleanup standard of 131 [mu]g/kg for TCE in soil 
was determined to protect groundwater. An area comprising roughly 
18,000 cubic feet of soil on the east side of the Property was 
determined to require treatment. The OU1 Feasibility Study considered 
alternatives for remediation of the VOC-contaminated soil including No 
Action, Containment with Cap, Vapor Extraction, Low Temperature Thermal 
Desorption, Soil Washing/Biotreatment, Excavation and Off-site 
Disposal, and In-Place Processing with Hot Air Injection.

Selected Remedy (OU1)

    The Property was one of four properties addressed in the 1995 
Record of Decision (ROD) for OU1. The OU1 Remedial Action Objective was 
to prevent further contamination of groundwater from contaminated 
soils. The selected alternative was in-place processing using hot air 
injection, with excavation and off-site disposal as a back-up. During 
the Remedial Design, it was determined that hot air injection would not 
achieve the performance standards of the OU1 ROD, and the backup remedy 
of excavation and off-site disposal was used to meet performance 
standards. Approximately 861 cubic yards of contaminated soil were 
removed from the Property as part of the OU1 remedial action and 
disposed of in a Resource Conservation and Recovery Act (RCRA) 
permitted landfill facility in Model City, New York. EPA approved the 
OU1 remedial action report for the Property in 2001.

Operable Unit 2 (OU2)

    OU2 consists of soils investigations at certain enforcement-lead 
properties. The Property (including the Administrative Parcel to be 
deleted from the NPL) is not included in OU2.

Remedial Investigation and Feasibility Study (OU3)

    Groundwater contamination was investigated as part of the RI/FS for 
OU3. Groundwater contamination at the Property is focused primarily in 
the southwestern portion of the Property. The OU3 RI/FS found 
contamination from VOCs at unacceptable levels in monitoring wells and 
a former production well (TA-1) on the Property. Contamination in well 
TA-1 was found at concentrations up to 7,740 [mu]g/L of TCE, and the 
Property was included in the OU3 Feasibility Study to evaluate 
alternatives for treatment of the groundwater. The OU3 Feasibility 
Study considered several alternatives involving extraction of 
contaminated groundwater using differing treatment technologies and 
differing discharge points.

Selected Remedy (OU3)

    The Property was included in the OU3 ROD in 2000, which called for 
construction of groundwater extraction and treatment systems at several 
properties, including the Property, included in the Site to remediate 
the contaminated groundwater. The goal of the groundwater extraction 
and treatment systems is to restore the aquifer to beneficial use as a 
potable use aquifer. The major components of the selected remedy in the 
OU3 ROD include the following:
     Completion of a groundwater remedial design study to 
determine the most efficient design of a groundwater extraction and 
treatment system.
     Installation, operation, and maintenance of on-site 
groundwater extraction wells to remove contaminated groundwater from 
beneath the Site and to prevent contaminants from migrating off-site.
     Installation, operation, and maintenance of air stripping 
treatment at on-site groundwater extraction wells to treat groundwater 
to required cleanup levels.
     Construction, operation, and maintenance of a pipeline 
from the on-site groundwater treatment systems to the nearest surface 
water body or storm drain leading to a surface water body.

[[Page 94265]]

     Periodic sampling of groundwater and treated water to 
ensure treatment components are effective and groundwater remediation 
is progressing towards the cleanup levels.
    During the Remedial Design of the groundwater extraction and 
treatment system at the Property, EPA conducted a pump test on the 
extraction well at the Property. The well failed to produce an adequate 
yield of contaminated water to treat to significantly improve 
groundwater quality. As a result, EPA conducted additional testing to 
determine if adding a vapor extraction unit to the treatment system at 
the Property would increase contaminant removal and improve the 
performance of the OU3 selected remedy at the Property. Based on those 
results, EPA issued an Explanation of Significant Differences (ESD) on 
September 16, 2009, requiring implementation of a modified remedy at 
the Property which includes vapor extraction to enhance the performance 
of the remedy selected in the OU3 ROD. Testing also indicated that 
significant cost savings could be achieved by replacing the air 
stripper at the Property with a vessel containing granular activated 
carbon (GAC). Therefore, the ESD further allowed EPA to modify the OU3 
remedy at the Property to allow for this form of treatment. The 
treatment system at the Property was built, and determined to be 
operational and functional in 2012. EPA plans on transferring the 
groundwater treatment system at the Property to PADEP for Operation and 
Maintenance (O&M) in 2022.

Response Actions

    During the Remedial Design of the OU1 remedy to address 
contaminated soils at the Property, it was determined that the 
alternative selected in the OU1 ROD would not achieve the performance 
standards of the ROD; therefore, the backup remedy of excavation and 
off-site disposal was used to meet the performance standards. 
Approximately 861 cubic yards of contaminated soil were removed from 
the Property as part of the OU1 remedial action. EPA approved the OU1 
remedial action report for the Property in 2001. No further actions to 
remediate the soil at the Property have been required.
    During the Remedial Design of the OU3 remedy to address 
contaminated groundwater at the Property, it was determined that the 
alternative selected in the OU3 ROD would not treat enough contaminated 
water at the Property to significantly improve groundwater quality. As 
a result, EPA issued the ESD to require a modified remedy at the 
Property which includes vapor extraction and allows for the replacement 
of the air stripper with a vessel containing GAC to enhance the 
performance of the remedy selected in the OU3 ROD. EPA built the 
treatment system at the Property, and determined that it was 
operational and functional in 2012. EPA continues to operate and 
maintain the groundwater treatment system at the Property.

Cleanup Levels

    In the OU1 ROD, EPA selected a soil cleanup level of 131 [mu]g/kg 
of trichloroethylene (TCE) to be protective of groundwater. To expedite 
backfilling of excavated areas at the Property, EPA conducted Quality 
Control sampling prior to excavation to delineate the extent of 
contamination, and eliminate the need to keep excavation areas open 
while additional sampling and analysis were being performed to 
determine if the performance standard (cleanup level) for soil in the 
OU1 ROD had been met. Thirty samples were collected at the Property and 
sent for analysis. The performance standard was exceeded at one 
location; therefore, additional samples were collected further out. As 
a result of the sampling, the boundary of excavation was extended out 
five feet to comply with the OU1 performance standard. After the 
excavation and off-site disposal of soils was completed, EPA certified 
the OU1 Remedial Action at the Property to be complete.
    The OU3 remedy to address contaminated groundwater called for 
restoration of the aquifer to beneficial use as a potable use aquifer. 
The OU3 ROD set the groundwater cleanup level as the EPA Maximum 
Contaminant Level (MCL). The MCL for TCE is 5 ug/L. There are currently 
ten monitoring wells on or near the Property: ROG-1S, ROG-1D, ROG-2S, 
ROG-2I, ROG-3S, ROG-3I, ROG-4S, ROG-4I, ROG-5, and ROG-6, in addition 
to the extraction well TA-1. Currently, only two of the monitoring 
wells at the Property, ROG-3S and ROG-4S, show contamination above the 
MCL. Most monitoring wells at the Property have shown downward trends 
in contamination since the OU3 remedy was implemented. The monitoring 
wells located in the Administrative Parcel (ROG-1S, ROG1D, ROG-2S, and 
ROG-2I) have never exhibited contaminant concentrations in excess of 
the performance standard (cleanup level) for groundwater in the OU3 ROD 
and are considered to be upgradient from the current contaminated 
groundwater plume.

Operation and Maintenance (O&M)

    There are no O&M requirements and no institutional controls for OU1 
at the Property. For OU3, EPA plans on transferring the groundwater 
treatment system at the Property to PADEP for O&M in 2022. There are no 
institutional controls for OU3 at the Property. The monitoring wells on 
the Administrative Parcel will continue to be sampled.

Five-Year Review

    The selected remedial actions, upon completion, will not leave 
hazardous substances, pollutants, or contaminants on site above levels 
that allow for unlimited use and unrestricted exposure; however, the 
OU3 remedial action will require more than five years to complete. As a 
result, EPA will perform Five Year Reviews at the Site pursuant to 
Section 121(c) of CERCLA, 42 U.S.C. 9621(c), until the cleanup levels 
for groundwater in the OU3 ROD are achieved, allowing for unlimited use 
and unrestricted exposure. Five Year Reviews will be triggered by the 
date that construction is completed at the entire Site.

Additional Investigations

    The owner of the Property performed additional investigations at 
the Property subsequent to EPA's investigations. In 2005, fifty soil 
borings were advanced throughout the Property. A soil sample was 
collected from each soil boring and analyzed for VOC contamination. No 
soil samples exceeded EPA's performance standards (cleanup levels) for 
soil in the OU1 ROD. Nine composite samples were also collected and 
analyzed for semi-volatile organic compounds (SVOCs), polychlorinated 
biphenyls (PCBs), pesticides, metals, and cyanide. SVOCs, PCBs, 
pesticides, and cyanide were not detected at elevated levels in these 
samples; however, arsenic was detected in three samples at levels that 
exceeded background and EPA Regional Screening Levels (RSLs). In 2006, 
the owner of the Property conducted additional sampling in the vicinity 
of the samples where the elevated levels of arsenic were found. 
Eighteen additional soil borings were advanced, and two soil samples 
were collected from each boring. Elevated levels of arsenic were 
detected in two soil borings. EPA conducted a more rigorous evaluation 
of the risks associated with the arsenic levels and determined that the 
risks associated with the concentrations are within EPA's acceptable 
risk range.
    The owner of the Property also conducted sampling to evaluate the 
planned construction of a stormwater

[[Page 94266]]

basin on the Lansdale Borough electrical substation property located 
within the boundaries of the Property. Twelve test pits were excavated, 
two of which are located within the Administrative Parcel. The test 
pits were analyzed for VOCs, and a composite sample was analyzed for 
SVOCs, pesticides, PCBs, metals, and cyanide. No VOCs were detected at 
levels above EPA's performance standards (cleanup levels) for soil in 
the OU1 ROD. SVOCs, PCBs, metals, and cyanide were not detected at 
elevated levels.
    The owner of the Property conducted additional sampling in 2016 on 
an approximately 3,000 cubic yard pile of top soil to be used as ground 
cover for the residential development. Twelve samples were collected 
from the pile and analyzed for metals. One sample was analyzed for 
hexavalent chromium. Metals concentrations were all found to be within 
EPA's acceptable risk range.

Community Involvement

    Public participation activities have been satisfied as required in 
CERCLA section 113(k), 42 U.S.C. 9613(k), and CERCLA section 117, 42 
U.S.C. 9617. Documents in the deletion docket on which EPA relied for 
recommendation of the deletion of the Administrative Parcel from the 
NPL are available to the public in the information repositories. The 
locations of the information repositories are set forth at the end of 
the Addresses section at the beginning of this notice.

Determination That the Criteria for Deletion Have Been Met

    EPA has determined based on the investigations conducted that all 
appropriate response actions under CERCLA have been implemented at the 
Administrative Parcel. The remedial action for OU1 removed contaminated 
soil from the Administrative Parcel. The implemented OU1 remedy for 
soils has achieved performance standards specified in the OU1 ROD at 
the Administrative Parcel. The four monitoring wells (ROG1S, ROG1D, 
ROG2S, and ROG2I) that are located within the Administrative Parcel 
have not shown significant detections of contaminants. These wells are 
also considered upgradient from the current contaminated groundwater 
plume. The implemented OU3 remedy for groundwater has achieved 
performance standards specified in the OU3 ROD at the Administrative 
Parcel and will continue to extract and treat contaminated groundwater 
at other portions of the Property. The selected remedial action 
objectives and associated cleanup levels for OU1 and OU3 at the 
Administrative Parcel are consistent with agency policy and guidance 
and have been achieved at the Administrative Parcel. No further 
Superfund response action for the Administrative Parcel is needed to 
protect human health and the environment. Other procedures for deletion 
required by 40 CFR 300.425(e) are detailed in Section III of this 
direct Final Notice of Partial Deletion of a portion of the Site.

V. Partial Deletion Action

    The EPA, with concurrence of the Commonwealth of Pennsylvania, 
through the PADEP, has determined that all appropriate response actions 
under CERCLA, other than five-year reviews and monitoring, have been 
completed for the Administrative Parcel. Therefore, EPA is deleting the 
Administrative Parcel portion of the North Penn Area 6 Superfund Site 
from the NPL.
    Because EPA considers this action noncontroversial and routine, EPA 
is taking it without prior publication. This action will be effective 
February 21, 2017 unless EPA receives adverse comments by January 23, 
2017. If adverse comments are received within the 30-day public comment 
period, EPA will publish a timely withdrawal of this direct final 
notice of partial deletion before the effective date of the partial 
deletion, and it will not take effect. EPA will prepare a response to 
comments and continue with the deletion process, as appropriate, on the 
basis of the notice of intent to partially delete and the comments 
already received. There will be no additional opportunity to comment.

List of Subjects in 40 CFR Part 300

    Environmental protection, Air pollution control, Chemicals, 
Hazardous waste, Hazardous substances, Intergovernmental relations, 
Penalties, Reporting and recordkeeping requirements, Superfund, Water 
pollution control, Water supply.

    Dated: December 5, 2016.
Cecil Rodrigues,
Acting Regional Administrator, Region III.

    For the reasons set out in this document, 40 CFR part 300 is 
amended as follows:

PART 300--NATIONAL OIL AND HAZARDOUS SUBSTANCES POLLUTION 
CONTINGENCY PLAN

0
1. The authority citation for part 300 continues to read as follows:

    Authority:  33 U.S.C. 1321(c)(2); 42 U.S.C. 9601-9657; E.O. 
12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; E.O. 12580, 52 FR 
2923, 3 CFR 1987 Comp., p. 193.

0
2. Table 1 of appendix B to part 300 is amended by revising the PA 
entry for ``North Penn-Area 6'', ``Lansdale'' to read as follows:

Appendix B to Part 300--[Amended]

                                       Table 1--General Superfund Section
----------------------------------------------------------------------------------------------------------------
                 State                            Site name                   City/County           Notes (a)
----------------------------------------------------------------------------------------------------------------
 
                                                  * * * * * * *
PA....................................  North Penn-Area 6............  Lansdale................               P
 
                                                  * * * * * * *
----------------------------------------------------------------------------------------------------------------
(a) = Based on issuance of health advisory by Agency for Toxic Substances and Disease Registry (if scored, HRS
  score need not be greater than or equal to 28.50).
S = State top priority (included among the 100 top priority sites regardless of score).
P = Sites with partial deletion(s).

[FR Doc. 2016-31032 Filed 12-22-16; 8:45 am]
 BILLING CODE 6560-50-P



                                                94262               Federal Register / Vol. 81, No. 247 / Friday, December 23, 2016 / Rules and Regulations

                                                         EPA-APPROVED REGULATIONS, TECHNICAL MEMORANDA, AND STATUTES IN THE MARYLAND SIP—Continued
                                                          Code of                                                                                                                                   Additional
                                                          Maryland                                                                                                                                 explanation/
                                                                                                                                                      State effective
                                                       Administrative                                        Title/subject                                                  EPA approval date       citation at
                                                                                                                                                           date
                                                    Regulations (COMAR)                                                                                                                              40 CFR
                                                           citation                                                                                                                                  52.1100

                                                            *                          *                       *                      *                       *                      *                *

                                                26.11.19.26 .......................   Control of Volatile Organic Compound Emissions                        09/28/15    12/23/16 [Insert Federal   Amendment
                                                                                       from Reinforced Plastic Manufacturing.                                             Register citation].       to .26A.

                                                26.11.19.26–1 ...................     Control of Volatile Organic Compound Emissions                        09/28/15    12/23/16 [Insert Federal   New Regula-
                                                                                       from Fiberglass Boat Manufacturing.                                                Register citation].        tion.


                                                            *                          *                       *                      *                       *                      *                *



                                                *       *       *       *        *                           other than five-year reviews, have been               personal information provided, unless
                                                [FR Doc. 2016–30880 Filed 12–22–16; 8:45 am]                 completed. However, this partial                      the comment includes information
                                                BILLING CODE 6560–50–P                                       deletion does not preclude future                     claimed to be Confidential Business
                                                                                                             actions at the Administrative Parcel                  Information (CBI) or other information
                                                                                                             under Superfund.                                      whose disclosure is restricted by statute.
                                                ENVIRONMENTAL PROTECTION                                        This partial deletion pertains to soils            Do not submit information that you
                                                AGENCY                                                       and groundwater of the Administrative                 consider to be CBI or otherwise
                                                                                                             Parcel portion of the Site. The other                 protected through http://
                                                40 CFR Part 300                                              portions of the Site will remain on the               www.regulations.gov or email. The
                                                [EPA–HQ–SFUND–1989–0009; FRL–9957–                           NPL, and are not being considered for                 http://www.regulations.gov Web site is
                                                31-Region 3]                                                 deletion as part of this action.                      an ‘‘anonymous access’’ system, which
                                                                                                             DATES: This direct final partial deletion             means EPA will not know your identity
                                                National Oil and Hazardous                                   is effective February 21, 2017 unless                 or contact information unless you
                                                Substances Pollution Contingency                             EPA receives adverse comments by                      provide it in the body of your comment.
                                                Plan; National Priorities List: Partial                      January 23, 2017. If adverse comments                 If you send an email comment directly
                                                Deletion of the North Penn Area 6                            are received, EPA will publish a timely               to EPA without going through http://
                                                Superfund Site                                               withdrawal of the direct final partial                www.regulations.gov, your email
                                                AGENCY:   Environmental Protection                           deletion in the Federal Register                      address will be automatically captured
                                                Agency.                                                      informing the public that the partial                 and included as part of the comment
                                                ACTION: Direct final rule; notice of                         deletion will not take effect.                        that is placed in the public docket and
                                                partial deletion of the North Penn Area                      ADDRESSES: Submit your comments,                      made available on the Internet. If you
                                                6 Superfund Site from the National                           identified by Docket ID no. EPA–HQ–                   submit an electronic comment, EPA
                                                Priorities List.                                             SFUND–1989–0009, by one of the                        recommends that you include your
                                                                                                             following methods:                                    name and other contact information in
                                                SUMMARY:   The Environmental Protection                         • http://www.regulations.gov. Follow               the body of your comment and with any
                                                Agency (EPA) Region III is publishing a                      on-line instructions for submitting                   disk or CD–ROM you submit. If EPA
                                                direct final notice of partial deletion of                   comments.                                             cannot read your comment due to
                                                a portion of the North Penn Area 6                              • Email: ngo.huu@epa.gov.                          technical difficulties and cannot contact
                                                Superfund Site (Site) located in                                • Mail: U.S. Environmental                         you for clarification, EPA may not be
                                                Lansdale Borough, Montgomery County,                         Protection Agency, Region III, Attn: Huu              able to consider your comment.
                                                Pennsylvania, from the National                              Ngo (3HS21), 1650 Arch Street,                        Electronic files should avoid the use of
                                                Priorities List (NPL). The deletion                          Philadelphia, PA 19103–2029                           special characters, any form of
                                                affects approximately 6.5 acres located                         • Hand Delivery: U.S. Environmental                encryption, and be free of any defects or
                                                at 135 East Hancock Street (the                              Protection Agency, Region III, Attn: Huu              viruses.
                                                ‘‘Administrative Parcel’’). The NPL,                         Ngo (3HS21), 1650 Arch Street,                           Docket: All documents in the docket
                                                promulgated pursuant to section 105 of                       Philadelphia, PA 19103–2029, Phone:                   are listed in the http://
                                                the Comprehensive Environmental                              215–814–3187, Business Hours: Mon.                    www.regulations.gov index. Although
                                                Response, Compensation, and Liability                        through Fri.—8:00 a.m. to 4:30 p.m.                   listed in the index, some information is
                                                Act (CERCLA) of 1980, as amended, is                         Such deliveries are only accepted                     not publicly available, e.g., CBI or other
                                                found at Appendix B of the National Oil                      during the Docket’s normal hours of                   information whose disclosure is
                                                and Hazardous Substances Pollution                           operation, and special arrangements                   restricted by statute. Certain other
                                                Contingency Plan (NCP). This direct                          should be made for deliveries of boxed                material, such as copyrighted material,
                                                final partial deletion is being published                    information.                                          will be publicly available only in hard
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                                                by EPA with the concurrence of the                              Instructions: Direct your comments to              copy. Publicly available docket
                                                Commonwealth of Pennsylvania,                                Docket ID no. EPA–HQ–SFUND–1989–                      materials are available either
                                                through the Pennsylvania Department of                       0009. EPA’s policy is that all comments               electronically in http://
                                                Environmental Protection (PADEP),                            received will be included in the public               www.regulations.gov or in hard copy at:
                                                because EPA has determined that all                          docket without change and may be                         • U.S. EPA Region III, Superfund
                                                appropriate response actions at the                          made available online at http://                      Records Center, 6th Floor, 1650 Arch
                                                Administrative Parcel under CERCLA,                          www.regulations.gov, including any                    Street, Philadelphia, PA 19103–2029;


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                                                                 Federal Register / Vol. 81, No. 247 / Friday, December 23, 2016 / Rules and Regulations                                         94263

                                                (215) 814–3157, Monday through Friday                   II. NPL Deletion Criteria                             Deletion is being published in a major
                                                8:00 a.m. to 5:00 p.m.                                     The NCP establishes the criteria that              local newspaper, The Reporter. The
                                                  • The Lansdale Public Library, 301                                                                          newspaper notice announces the 30-day
                                                                                                        EPA uses to delete sites from the NPL.
                                                Vine St, Lansdale, PA 19446; phone                                                                            public comment period concerning the
                                                                                                        In accordance with 40 CFR 300.425(e),
                                                (215) 855–3228. Monday through Friday                                                                         Notice of Intent for Partial Deletion of
                                                                                                        sites may be deleted from the NPL
                                                10:00 a.m.–9:00 p.m.                                                                                          the Site from the NPL.
                                                                                                        where no further response is
                                                FOR FURTHER INFORMATION CONTACT: Huu                                                                             (4) The EPA placed copies of
                                                                                                        appropriate. In making such a
                                                Ngo, Remedial Project Manager (3HS21),                                                                        documents supporting the partial
                                                                                                        determination pursuant to 40 CFR
                                                U.S. Environmental Protection Agency,                                                                         deletion in the deletion docket and
                                                                                                        300.425(e), EPA will consider, in
                                                Region III, 1650 Arch Street,                                                                                 made these items available for public
                                                                                                        consultation with the Commonwealth,
                                                Philadelphia, PA 19103–2029; (215)                                                                            inspection and copying at the Site
                                                                                                        whether any of the following criteria
                                                814–3187; email: ngo.huu@epa.gov.                                                                             information repositories identified
                                                                                                        have been met:
                                                SUPPLEMENTARY INFORMATION:                                                                                    above.
                                                                                                           i. Responsible parties or other persons               (5) If adverse comments are received
                                                Table of Contents                                       have implemented all appropriate                      within the 30-day public comment
                                                                                                        response actions required;                            period on this partial deletion action,
                                                I. Introduction                                            ii. all appropriate Fund-financed
                                                II. NPL Deletion Criteria                                                                                     EPA will publish a timely notice of
                                                III. Partial Deletion Procedures                        response under CERCLA has been                        withdrawal of this direct final Notice of
                                                IV. Basis for Partial Site Deletion                     implemented, and no further response                  Partial Deletion before its effective date,
                                                V. Partial Deletion Action                              action by responsible parties is                      and will prepare a response to
                                                                                                        appropriate; or                                       comments and continue with the
                                                I. Introduction                                            iii. the remedial investigation has                deletion process, as appropriate, on the
                                                   EPA Region III is publishing this                    shown that the release poses no                       basis of the Notice of Intent for Partial
                                                direct final Notice of Partial Deletion of              significant threat to public health or the            Deletion and the comments already
                                                a portion the North Penn Area 6                         environment and, therefore, the taking                received.
                                                Superfund Site from the National                        of remedial measures is not appropriate.                 Deletion of a portion of a site from the
                                                Priorities List (NPL). This partial                        Pursuant to CERCLA section 121(c)                  NPL does not itself create, alter, or
                                                deletion pertains to the soils and                      and the NCP, EPA conducts five-year                   revoke any individual’s rights or
                                                groundwater of the Administrative                       reviews to ensure the continued                       obligations. Deletion of a portion of a
                                                Parcel portion of the Site. The NPL                     protectiveness of remedial actions                    site from the NPL does not in any way
                                                constitutes Appendix B of 40 CFR part                   where hazardous substances, pollutants,               alter EPA’s right to take enforcement
                                                300, which is the National Oil and                      or contaminants remain at a site above                actions, as appropriate. The NPL is
                                                Hazardous Substances Pollution                          levels that allow for unlimited use and               designed primarily for informational
                                                Contingency Plan (NCP), which EPA                       unrestricted exposure. EPA conducts                   purposes and to assist EPA
                                                promulgated pursuant to section 105 of                  such five-year reviews even if a site is              management. Section 300.425(e)(3) of
                                                the Comprehensive Environmental                         deleted from the NPL. EPA may initiate                the NCP states that the deletion of a site
                                                Response, Compensation and Liability                    further action to ensure continued                    from the NPL does not preclude
                                                Act (CERCLA) of 1980, as amended.                       protectiveness at a deleted site if new               eligibility for future response actions,
                                                EPA maintains the NPL as the list of                    information becomes available that                    should future conditions warrant such
                                                sites that appear to present a significant              indicates such action is appropriate.                 actions.
                                                risk to public health, welfare, or the                  Whenever there is a significant release
                                                environment. Sites on the NPL may be                    from a site deleted from the NPL, the                 IV. Basis for Partial Site Deletion
                                                the subject of remedial actions financed                deleted site may be restored to the NPL                  The following information provides
                                                by the Hazardous Substance Superfund                    without application of the hazard                     EPA’s rationale for deleting the
                                                (Fund). This partial deletion of the                    ranking system.                                       Administrative Parcel portion of the Site
                                                North Penn Area 6 Site is proposed in                                                                         from the NPL:
                                                accordance with 40 CFR 300.425(e) and                   III. Partial Deletion Procedures
                                                is consistent with the Notice of Policy                   The following procedures apply to                   Site Background and History
                                                Change: Partial Deletion of Sites Listed                deletion of the Administrative Parcel                    The North Penn Area 6 Superfund
                                                on the National Priorities List. 60 FR                  portion of the Site:                                  Site (EPA Identification Number
                                                55466 (Nov. 1, 1995). As described in 40                  (1) EPA consulted with the                          PAD980926976) is located primarily in
                                                CFR 300.425(e)(3) of the NCP, a portion                 Commonwealth of Pennsylvania prior to                 Lansdale Borough, Montgomery County,
                                                of a site deleted from the NPL remains                  developing this direct final Notice of                Pennsylvania. The Site is comprised of
                                                eligible for Fund-financed remedial                     Partial Deletion and the Notice of Intent             multiple properties contaminated
                                                actions if future conditions warrant                    for Partial Deletion co-published today               primarily with volatile organic
                                                such actions.                                           in the ‘‘Proposed Rules’’ section of the              compounds (VOCs) in the soil and
                                                   Section II of this document explains                 Federal Register.                                     associated groundwater contamination.
                                                the criteria for deleting sites from the                  (2) EPA provided the Commonwealth                   One of the properties consists of
                                                NPL. Section III discusses the                          30 working days for review of this                    approximately 10 acres of land located
                                                procedures that EPA is using for this                   notice and the parallel Notice of Intent              at 135 East Hancock Street in Lansdale
                                                action. Section IV discusses the                        for Partial Deletion prior to their                   Borough (the ‘‘Property’’). The Property
                                                Administrative Parcel of the North Penn                 publication today, and the                            was formerly occupied by the Tate
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                                                Area 6 Superfund Site and demonstrates                  Commonwealth, through PADEP,                          Andale Company, and later by the
                                                how it meets the deletion criteria.                     concurred on the partial deletion of the              Rogers Mechanical Company. The
                                                Section V discusses EPA’s action to                     Site from the NPL.                                    Administrative Parcel is comprised of
                                                delete the Administrative Parcel portion                  (3) Concurrently with the publication               approximately 6.5 acres located within
                                                of the Site from the NPL unless adverse                 of this direct final Notice of Partial                the Property.
                                                comments are received during the                        Deletion, a notice of the availability of                The current owner of the Property,
                                                public comment period.                                  the parallel Notice of Intent for Partial             including the Administrative Parcel, is


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                                                94264            Federal Register / Vol. 81, No. 247 / Friday, December 23, 2016 / Rules and Regulations

                                                Andale Properties, LLC. Andale                          contaminated groundwater over the                     landfill facility in Model City, New
                                                Properties, LLC plans to redevelop the                  entire Site. All activities associated with           York. EPA approved the OU1 remedial
                                                Property for future residential purposes.               investigation and remediation at the                  action report for the Property in 2001.
                                                Andale Properties, LLC has divided the                  Property were performed by EPA and
                                                                                                                                                              Operable Unit 2 (OU2)
                                                Property into four Phases (1 through 4)                 financed by the Fund, and are part of
                                                for redevelopment. The Administrative                   OU1 and OU3. The Administrative                         OU2 consists of soils investigations at
                                                Parcel is comprised of Phases 2 and 3.                  Parcel consists of soils and groundwater              certain enforcement-lead properties.
                                                   The Property is currently occupied by                on the aforementioned approximately                   The Property (including the
                                                three buildings, portions of two former                 6.5 acre portion of the Property.                     Administrative Parcel to be deleted from
                                                structures, and footers and concrete                                                                          the NPL) is not included in OU2.
                                                pads from previous on-site buildings. A                 Remedial Investigation and Feasibility
                                                treatment system operated currently by                  Study (OU1)                                           Remedial Investigation and Feasibility
                                                EPA for treatment of groundwater and                       Soils at the Property were investigated            Study (OU3)
                                                multiple monitoring wells are also                      as part of the OU1 Remedial                              Groundwater contamination was
                                                present at the Property. The Property is                Investigation and Feasibility Study (RI/              investigated as part of the RI/FS for
                                                bordered to the southwest by East                       FS). The OU1 RI at the Property focused               OU3. Groundwater contamination at the
                                                Hancock Street, and to the west,                        primarily on a coal ash and scrap metal               Property is focused primarily in the
                                                northwest, and east by railroad lines.                  pile located on the southwestern portion              southwestern portion of the Property.
                                                The ground surface elevation of the                     of the Property and another area on the               The OU3 RI/FS found contamination
                                                Property is approximately 370 feet                      eastern portion of the Property. Soil gas             from VOCs at unacceptable levels in
                                                above mean sea level. The Property                      and soil samples were collected from                  monitoring wells and a former
                                                consists of relatively flat terrain with a              these areas, and elevated levels of VOCs              production well (TA–1) on the Property.
                                                gradual slope towards the southwest.                    were found in the area on the eastern                 Contamination in well TA–1 was found
                                                There are no surface water bodies                       portion of the Property.                              at concentrations up to 7,740 mg/L of
                                                located within the boundaries of the                    Trichloroethylene (TCE) was detected at               TCE, and the Property was included in
                                                Property. The nearest body of water is                  concentrations up to 4600 mg/kg, and                  the OU3 Feasibility Study to evaluate
                                                the Towamencin Creek, which is                          contaminants associated with the                      alternatives for treatment of the
                                                located approximately 2,800 feet                        breakdown of TCE were also found at                   groundwater. The OU3 Feasibility Study
                                                southwest of the Property. Surface water                elevated levels. The Risk Assessment                  considered several alternatives
                                                runoff following precipitation events                   determined that the contaminant levels                involving extraction of contaminated
                                                either infiltrates the ground surface or                would present a risk to groundwater,                  groundwater using differing treatment
                                                drains towards the western portion of                   and a cleanup standard of 131 mg/kg for               technologies and differing discharge
                                                the Property prior to entering a swale                  TCE in soil was determined to protect                 points.
                                                adjacent to the neighboring railroad                    groundwater. An area comprising
                                                tracks. Surrounding land use includes                   roughly 18,000 cubic feet of soil on the              Selected Remedy (OU3)
                                                commercial, industrial, and residential                 east side of the Property was determined                 The Property was included in the
                                                uses.                                                   to require treatment. The OU1                         OU3 ROD in 2000, which called for
                                                   The Tate Andale Company formerly                     Feasibility Study considered
                                                                                                                                                              construction of groundwater extraction
                                                occupied the Property dating back to at                 alternatives for remediation of the VOC-
                                                                                                                                                              and treatment systems at several
                                                least the 1920s, and historically used                  contaminated soil including No Action,
                                                                                                                                                              properties, including the Property,
                                                the Property to fabricate oil coolers,                  Containment with Cap, Vapor
                                                                                                                                                              included in the Site to remediate the
                                                heaters, and strainers. Rogers                          Extraction, Low Temperature Thermal
                                                                                                                                                              contaminated groundwater. The goal of
                                                Mechanical Company purchased the                        Desorption, Soil Washing/Biotreatment,
                                                                                                                                                              the groundwater extraction and
                                                Property in 1985 and operated a                         Excavation and Off-site Disposal, and
                                                                                                                                                              treatment systems is to restore the
                                                plumbing and heating business. The                      In-Place Processing with Hot Air
                                                                                                                                                              aquifer to beneficial use as a potable use
                                                former Tate Andale Company was one                      Injection.
                                                                                                                                                              aquifer. The major components of the
                                                of twenty-six property owners/operators
                                                                                                        Selected Remedy (OU1)                                 selected remedy in the OU3 ROD
                                                to be identified as a potentially
                                                                                                           The Property was one of four                       include the following:
                                                responsible party (PRP) at the Site
                                                following the detection of groundwater                  properties addressed in the 1995 Record                  • Completion of a groundwater
                                                contamination in the Lansdale area in                   of Decision (ROD) for OU1. The OU1                    remedial design study to determine the
                                                1979. North Penn Area 6 was proposed                    Remedial Action Objective was to                      most efficient design of a groundwater
                                                to the National Priorities List on January              prevent further contamination of                      extraction and treatment system.
                                                22, 1987 (52 FR 27620), and became a                    groundwater from contaminated soils.                     • Installation, operation, and
                                                Superfund Site when the listing became                  The selected alternative was in-place                 maintenance of on-site groundwater
                                                final on March 31, 1989 (54 FR 13296).                  processing using hot air injection, with              extraction wells to remove
                                                EPA divided the Site into three operable                excavation and off-site disposal as a                 contaminated groundwater from
                                                units (OUs). Operable Unit One (OU1)                    back-up. During the Remedial Design, it               beneath the Site and to prevent
                                                consists of Fund-financed response                      was determined that hot air injection                 contaminants from migrating off-site.
                                                actions to address the contaminated                     would not achieve the performance                        • Installation, operation, and
                                                soils at certain of the properties that                 standards of the OU1 ROD, and the                     maintenance of air stripping treatment
                                                comprise the Site. Operable Unit Two                    backup remedy of excavation and off-                  at on-site groundwater extraction wells
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                                                (OU2) consists of PRP-financed                          site disposal was used to meet                        to treat groundwater to required cleanup
                                                response actions to address the                         performance standards. Approximately                  levels.
                                                contaminated soils at certain other                     861 cubic yards of contaminated soil                     • Construction, operation, and
                                                properties that comprise the Site.                      were removed from the Property as part                maintenance of a pipeline from the on-
                                                Operable Unit Three (OU3) consists of                   of the OU1 remedial action and                        site groundwater treatment systems to
                                                Fund-financed and PRP-financed                          disposed of in a Resource Conservation                the nearest surface water body or storm
                                                response actions to address the                         and Recovery Act (RCRA) permitted                     drain leading to a surface water body.


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                                                                 Federal Register / Vol. 81, No. 247 / Friday, December 23, 2016 / Rules and Regulations                                       94265

                                                   • Periodic sampling of groundwater                   extraction and allows for the                         Operation and Maintenance (O&M)
                                                and treated water to ensure treatment                   replacement of the air stripper with a                   There are no O&M requirements and
                                                components are effective and                            vessel containing GAC to enhance the                  no institutional controls for OU1 at the
                                                groundwater remediation is progressing                  performance of the remedy selected in                 Property. For OU3, EPA plans on
                                                towards the cleanup levels.                             the OU3 ROD. EPA built the treatment                  transferring the groundwater treatment
                                                   During the Remedial Design of the                    system at the Property, and determined                system at the Property to PADEP for
                                                groundwater extraction and treatment                    that it was operational and functional in             O&M in 2022. There are no institutional
                                                system at the Property, EPA conducted                   2012. EPA continues to operate and                    controls for OU3 at the Property. The
                                                a pump test on the extraction well at the               maintain the groundwater treatment                    monitoring wells on the Administrative
                                                Property. The well failed to produce an                 system at the Property.                               Parcel will continue to be sampled.
                                                adequate yield of contaminated water to
                                                treat to significantly improve                          Cleanup Levels                                        Five-Year Review
                                                groundwater quality. As a result, EPA
                                                                                                           In the OU1 ROD, EPA selected a soil                  The selected remedial actions, upon
                                                conducted additional testing to
                                                                                                        cleanup level of 131 mg/kg of                         completion, will not leave hazardous
                                                determine if adding a vapor extraction
                                                                                                        trichloroethylene (TCE) to be protective              substances, pollutants, or contaminants
                                                unit to the treatment system at the
                                                                                                        of groundwater. To expedite backfilling               on site above levels that allow for
                                                Property would increase contaminant
                                                                                                        of excavated areas at the Property, EPA               unlimited use and unrestricted
                                                removal and improve the performance
                                                                                                        conducted Quality Control sampling                    exposure; however, the OU3 remedial
                                                of the OU3 selected remedy at the
                                                                                                                                                              action will require more than five years
                                                Property. Based on those results, EPA                   prior to excavation to delineate the
                                                                                                                                                              to complete. As a result, EPA will
                                                issued an Explanation of Significant                    extent of contamination, and eliminate
                                                Differences (ESD) on September 16,                                                                            perform Five Year Reviews at the Site
                                                                                                        the need to keep excavation areas open
                                                2009, requiring implementation of a                                                                           pursuant to Section 121(c) of CERCLA,
                                                                                                        while additional sampling and analysis                42 U.S.C. 9621(c), until the cleanup
                                                modified remedy at the Property which                   were being performed to determine if
                                                includes vapor extraction to enhance                                                                          levels for groundwater in the OU3 ROD
                                                                                                        the performance standard (cleanup                     are achieved, allowing for unlimited use
                                                the performance of the remedy selected                  level) for soil in the OU1 ROD had been
                                                in the OU3 ROD. Testing also indicated                                                                        and unrestricted exposure. Five Year
                                                                                                        met. Thirty samples were collected at                 Reviews will be triggered by the date
                                                that significant cost savings could be                  the Property and sent for analysis. The
                                                achieved by replacing the air stripper at                                                                     that construction is completed at the
                                                                                                        performance standard was exceeded at                  entire Site.
                                                the Property with a vessel containing                   one location; therefore, additional
                                                granular activated carbon (GAC).                        samples were collected further out. As                Additional Investigations
                                                Therefore, the ESD further allowed EPA
                                                                                                        a result of the sampling, the boundary                  The owner of the Property performed
                                                to modify the OU3 remedy at the
                                                                                                        of excavation was extended out five feet              additional investigations at the Property
                                                Property to allow for this form of
                                                treatment. The treatment system at the                  to comply with the OU1 performance                    subsequent to EPA’s investigations. In
                                                Property was built, and determined to                   standard. After the excavation and off-               2005, fifty soil borings were advanced
                                                be operational and functional in 2012.                  site disposal of soils was completed,                 throughout the Property. A soil sample
                                                EPA plans on transferring the                           EPA certified the OU1 Remedial Action                 was collected from each soil boring and
                                                groundwater treatment system at the                     at the Property to be complete.                       analyzed for VOC contamination. No
                                                Property to PADEP for Operation and                        The OU3 remedy to address                          soil samples exceeded EPA’s
                                                Maintenance (O&M) in 2022.                                                                                    performance standards (cleanup levels)
                                                                                                        contaminated groundwater called for
                                                                                                                                                              for soil in the OU1 ROD. Nine
                                                Response Actions                                        restoration of the aquifer to beneficial
                                                                                                                                                              composite samples were also collected
                                                                                                        use as a potable use aquifer. The OU3
                                                   During the Remedial Design of the                                                                          and analyzed for semi-volatile organic
                                                                                                        ROD set the groundwater cleanup level
                                                OU1 remedy to address contaminated                                                                            compounds (SVOCs), polychlorinated
                                                                                                        as the EPA Maximum Contaminant
                                                soils at the Property, it was determined                                                                      biphenyls (PCBs), pesticides, metals,
                                                                                                        Level (MCL). The MCL for TCE is 5 ug/                 and cyanide. SVOCs, PCBs, pesticides,
                                                that the alternative selected in the OU1
                                                                                                        L. There are currently ten monitoring                 and cyanide were not detected at
                                                ROD would not achieve the
                                                                                                        wells on or near the Property: ROG–1S,                elevated levels in these samples;
                                                performance standards of the ROD;
                                                                                                        ROG–1D, ROG–2S, ROG–2I, ROG–3S,                       however, arsenic was detected in three
                                                therefore, the backup remedy of
                                                                                                        ROG–3I, ROG–4S, ROG–4I, ROG–5, and                    samples at levels that exceeded
                                                excavation and off-site disposal was
                                                used to meet the performance standards.                 ROG–6, in addition to the extraction                  background and EPA Regional
                                                Approximately 861 cubic yards of                        well TA–1. Currently, only two of the                 Screening Levels (RSLs). In 2006, the
                                                contaminated soil were removed from                     monitoring wells at the Property, ROG–                owner of the Property conducted
                                                the Property as part of the OU1 remedial                3S and ROG–4S, show contamination                     additional sampling in the vicinity of
                                                action. EPA approved the OU1 remedial                   above the MCL. Most monitoring wells                  the samples where the elevated levels of
                                                action report for the Property in 2001.                 at the Property have shown downward                   arsenic were found. Eighteen additional
                                                No further actions to remediate the soil                trends in contamination since the OU3                 soil borings were advanced, and two
                                                at the Property have been required.                     remedy was implemented. The                           soil samples were collected from each
                                                   During the Remedial Design of the                    monitoring wells located in the                       boring. Elevated levels of arsenic were
                                                OU3 remedy to address contaminated                      Administrative Parcel (ROG–1S,                        detected in two soil borings. EPA
                                                groundwater at the Property, it was                     ROG1D, ROG–2S, and ROG–2I) have                       conducted a more rigorous evaluation of
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                                                determined that the alternative selected                never exhibited contaminant                           the risks associated with the arsenic
                                                in the OU3 ROD would not treat enough                   concentrations in excess of the                       levels and determined that the risks
                                                contaminated water at the Property to                   performance standard (cleanup level)                  associated with the concentrations are
                                                significantly improve groundwater                       for groundwater in the OU3 ROD and                    within EPA’s acceptable risk range.
                                                quality. As a result, EPA issued the ESD                are considered to be upgradient from the                The owner of the Property also
                                                to require a modified remedy at the                     current contaminated groundwater                      conducted sampling to evaluate the
                                                Property which includes vapor                           plume.                                                planned construction of a stormwater


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                                                94266                 Federal Register / Vol. 81, No. 247 / Friday, December 23, 2016 / Rules and Regulations

                                                basin on the Lansdale Borough electrical                              implemented OU1 remedy for soils has                                   2017 unless EPA receives adverse
                                                substation property located within the                                achieved performance standards                                         comments by January 23, 2017. If
                                                boundaries of the Property. Twelve test                               specified in the OU1 ROD at the                                        adverse comments are received within
                                                pits were excavated, two of which are                                 Administrative Parcel. The four                                        the 30-day public comment period, EPA
                                                located within the Administrative                                     monitoring wells (ROG1S, ROG1D,                                        will publish a timely withdrawal of this
                                                Parcel. The test pits were analyzed for                               ROG2S, and ROG2I) that are located                                     direct final notice of partial deletion
                                                VOCs, and a composite sample was                                      within the Administrative Parcel have                                  before the effective date of the partial
                                                analyzed for SVOCs, pesticides, PCBs,                                 not shown significant detections of                                    deletion, and it will not take effect. EPA
                                                metals, and cyanide. No VOCs were                                     contaminants. These wells are also                                     will prepare a response to comments
                                                detected at levels above EPA’s                                        considered upgradient from the current                                 and continue with the deletion process,
                                                performance standards (cleanup levels)                                contaminated groundwater plume. The                                    as appropriate, on the basis of the notice
                                                for soil in the OU1 ROD. SVOCs, PCBs,                                 implemented OU3 remedy for                                             of intent to partially delete and the
                                                metals, and cyanide were not detected                                 groundwater has achieved performance                                   comments already received. There will
                                                at elevated levels.                                                   standards specified in the OU3 ROD at                                  be no additional opportunity to
                                                   The owner of the Property conducted                                the Administrative Parcel and will                                     comment.
                                                additional sampling in 2016 on an                                     continue to extract and treat
                                                approximately 3,000 cubic yard pile of                                                                                                       List of Subjects in 40 CFR Part 300
                                                                                                                      contaminated groundwater at other
                                                top soil to be used as ground cover for                               portions of the Property. The selected                                   Environmental protection, Air
                                                the residential development. Twelve                                   remedial action objectives and                                         pollution control, Chemicals, Hazardous
                                                samples were collected from the pile                                  associated cleanup levels for OU1 and                                  waste, Hazardous substances,
                                                and analyzed for metals. One sample                                   OU3 at the Administrative Parcel are                                   Intergovernmental relations, Penalties,
                                                was analyzed for hexavalent chromium.                                 consistent with agency policy and                                      Reporting and recordkeeping
                                                Metals concentrations were all found to                               guidance and have been achieved at the                                 requirements, Superfund, Water
                                                be within EPA’s acceptable risk range.                                Administrative Parcel. No further                                      pollution control, Water supply.
                                                Community Involvement                                                 Superfund response action for the
                                                                                                                                                                                               Dated: December 5, 2016.
                                                                                                                      Administrative Parcel is needed to
                                                  Public participation activities have                                protect human health and the                                           Cecil Rodrigues,
                                                been satisfied as required in CERCLA                                  environment. Other procedures for                                      Acting Regional Administrator, Region III.
                                                section 113(k), 42 U.S.C. 9613(k), and                                deletion required by 40 CFR 300.425(e)
                                                CERCLA section 117, 42 U.S.C. 9617.                                                                                                            For the reasons set out in this
                                                                                                                      are detailed in Section III of this direct                             document, 40 CFR part 300 is amended
                                                Documents in the deletion docket on                                   Final Notice of Partial Deletion of a
                                                which EPA relied for recommendation                                                                                                          as follows:
                                                                                                                      portion of the Site.
                                                of the deletion of the Administrative
                                                Parcel from the NPL are available to the                              V. Partial Deletion Action                                             PART 300—NATIONAL OIL AND
                                                public in the information repositories.                                                                                                      HAZARDOUS SUBSTANCES
                                                                                                                         The EPA, with concurrence of the                                    POLLUTION CONTINGENCY PLAN
                                                The locations of the information
                                                repositories are set forth at the end of                              Commonwealth of Pennsylvania,
                                                the Addresses section at the beginning                                through the PADEP, has determined that                                 ■ 1. The authority citation for part 300
                                                of this notice.                                                       all appropriate response actions under                                 continues to read as follows:
                                                                                                                      CERCLA, other than five-year reviews
                                                                                                                                                                                               Authority: 33 U.S.C. 1321(c)(2); 42 U.S.C.
                                                Determination That the Criteria for                                   and monitoring, have been completed                                    9601–9657; E.O. 12777, 56 FR 54757, 3 CFR,
                                                Deletion Have Been Met                                                for the Administrative Parcel. Therefore,                              1991 Comp., p. 351; E.O. 12580, 52 FR 2923,
                                                  EPA has determined based on the                                     EPA is deleting the Administrative                                     3 CFR 1987 Comp., p. 193.
                                                investigations conducted that all                                     Parcel portion of the North Penn Area
                                                                                                                      6 Superfund Site from the NPL.                                         ■  2. Table 1 of appendix B to part 300
                                                appropriate response actions under
                                                                                                                                                                                             is amended by revising the PA entry for
                                                CERCLA have been implemented at the                                      Because EPA considers this action
                                                                                                                                                                                             ‘‘North Penn-Area 6’’, ‘‘Lansdale’’ to
                                                Administrative Parcel. The remedial                                   noncontroversial and routine, EPA is
                                                                                                                                                                                             read as follows:
                                                action for OU1 removed contaminated                                   taking it without prior publication. This
                                                soil from the Administrative Parcel. The                              action will be effective February 21,                                  Appendix B to Part 300—[Amended]

                                                                                                                   TABLE 1—GENERAL SUPERFUND SECTION
                                                           State                                                                    Site name                                                                   City/County             Notes (a)


                                                           *                            *                       *                                 *                                *                            *                        *
                                                PA ...........................   North Penn-Area 6 ....................................................................................................    Lansdale .................        P

                                                             *                             *                             *                             *                             *                             *                     *
                                                  (a) = Based on issuance of health advisory by Agency for Toxic Substances and Disease Registry (if scored, HRS score need not be greater
                                                than or equal to 28.50).
                                                  S = State top priority (included among the 100 top priority sites regardless of score).
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                                                  P = Sites with partial deletion(s).


                                                [FR Doc. 2016–31032 Filed 12–22–16; 8:45 am]
                                                BILLING CODE 6560–50–P




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                                                                 Federal Register / Vol. 81, No. 247 / Friday, December 23, 2016 / Rules and Regulations                                             94267

                                                ENVIRONMENTAL PROTECTION                                  For general information contact: The                submit a report containing this rule and
                                                AGENCY                                                  TSCA-Hotline, ABVI-Goodwill, 422                      other required information to the U.S.
                                                                                                        South Clinton Ave., Rochester, NY                     Senate, the U.S. House of
                                                40 CFR Part 721                                         14620; telephone number: (202) 554–                   Representatives, and the Comptroller
                                                                                                        1404; email address: TSCA-Hotline@                    General of the United States prior to
                                                [EPA–HQ–OPPT–2016–0207; FRL–9956–13]
                                                                                                        epa.gov.                                              publication of the rule in the Federal
                                                RIN 2070–AB27                                           SUPPLEMENTARY INFORMATION:
                                                                                                                                                              Register. This action is not a ‘‘major
                                                                                                                                                              rule’’ as defined by 5 U.S.C. 804(2).
                                                Significant New Use Rules on Certain                    I. Does this action apply to me?
                                                Chemical Substances; Technical                                                                                List of Subjects in 40 CFR Part 721
                                                                                                          The Agency included in the
                                                Correction                                                                                                      Environmental protection, Chemicals,
                                                                                                        November 17, 2016 final rule a list of
                                                AGENCY:  Environmental Protection                       those who may be potentially affected                 Hazardous substances, Reporting and
                                                Agency (EPA).                                           by this action.                                       Recordkeeping requirements.
                                                ACTION: Final rule; technical correction.                                                                        Dated: December 9, 2016.
                                                                                                        II. What does this technical correction
                                                                                                        do?                                                   Maria J. Doa,
                                                SUMMARY:   EPA issued a final rule in the                                                                     Director, Chemical Control Division, Office
                                                Federal Register of November 17, 2016                     EPA issued a final rule in the Federal              of Pollution Prevention and Toxics.
                                                for 57 chemical substances that were the                Register of November 17, 2016 (81 FR
                                                subject of premanufacture notices                       81250) (FRL–9953–41) for significant                    Therefore, 40 CFR part 721 is
                                                (PMNs). For the chemical substance that                 new uses for 57 chemical substances                   corrected as follows:
                                                was the subject of PMN P–15–614, EPA                    that were the subject of PMN notices.
                                                                                                        EPA included the wrong Chemical                       PART 721—[AMENDED]
                                                inadvertently listed an incorrect
                                                Chemical Abstract Service (CAS)                         Abstracts Service (CAS) Registry
                                                                                                                                                              ■ 1. The authority citation for part 721
                                                Registry Number. In addition, for the                   Number for § 721.10949 and the wrong
                                                                                                                                                              continues to read as follows:
                                                chemical substance that was the subject                 name for § 721.10958. This action
                                                of PMN P–16–52, EPA inadvertently                       corrects these errors.                                  Authority: 15 U.S.C. 2604, 2607, and
                                                used the incorrect name. The                                                                                  2625(c).
                                                                                                        III. Why is this correction issued as a
                                                amendment in this document is being                     final rule?                                           ■ 2. In § 721.10949, revise paragraph
                                                issued to correct these errors.                                                                               (a)(1) to read as follows:
                                                DATES: This technical correction is
                                                                                                           Section 553 of the Administrative
                                                effective January 17, 2017.                             Procedure Act (APA) (5 U.S.C.                         § 721.10949   Neodymium sulfur yttrium
                                                                                                        553(b)(3)(B)) provides that, when an                  oxide.
                                                ADDRESSES: The docket for this action,
                                                                                                        Agency for good cause finds that notice                 (a) Chemical substance and
                                                identified by docket identification (ID)                and public procedure are impracticable,
                                                number EPA–HQ–OPPT–2016–0207, is                                                                              significant new uses subject to reporting.
                                                                                                        unnecessary or contrary to the public                 (1) The chemical substance identified as
                                                available at http://www.regulations.gov                 interest, the Agency may issue a final
                                                or at the Office of Pollution Prevention                                                                      neodymium sulfur yttrium oxide (PMN
                                                                                                        rule without providing notice and an                  P–15–614; CAS No. 1651153–45–5) is
                                                and Toxics Docket (OPPT Docket),                        opportunity for public comment. EPA
                                                Environmental Protection Agency                                                                               subject to reporting under this section
                                                                                                        has determined that there is good cause               for the significant new uses described in
                                                Docket Center (EPA/DC), West William                    for making this technical correction
                                                Jefferson Clinton Bldg., Rm. 3334, 1301                                                                       paragraph (a)(2) of this section.
                                                                                                        final without prior proposal and
                                                Constitution Ave. NW., Washington,                                                                            *     *     *     *    *
                                                                                                        opportunity for comment. The SNUR at
                                                DC. The Public Reading Room is open                     § 721.10949 contains the wrong CAS                    ■ 3. In § 721.10958, revise the section
                                                from 8:30 a.m. to 4:30 p.m., Monday                     number associated with PMN P–15–614,                  heading and paragraph (a)(1) to read as
                                                through Friday, excluding legal                         and the SNUR at § 721.10958 contains                  follows:
                                                holidays. The telephone number for the                  the wrong name associated with PMN
                                                Public Reading Room is (202) 566–1744,                                                                        § 721.10958 Dialkylol amine, polymer with
                                                                                                        P–16–52 that was the basis for the                    succinic anhydride and aromatic carboxylic
                                                and the telephone number for the OPPT                   SNUR. EPA finds that this constitutes
                                                Docket is (202) 566–0280. Please review                                                                       acid (generic).
                                                                                                        good cause under 5 U.S.C. 553(b)(3)(B).
                                                the visitor instructions and additional                                                                         (a) Chemical substance and
                                                information about the docket available                  IV. Do any of the statutory and                       significant new uses subject to reporting.
                                                at http://www.epa.gov/dockets.                          Executive Order reviews apply to this                 (1) The chemical substance identified
                                                FOR FURTHER INFORMATION CONTACT:                        action?                                               generically as dialkylol amine, polymer
                                                   For technical information contact:                     No. For a detailed discussion                       with succinic anhydride and aromatic
                                                Kenneth Moss, Chemical Control                          concerning the statutory and executive                carboxylic acid (PMN P–16–52) is
                                                Division, Office of Pollution Prevention                order review, refer to Unit XII. of the               subject to reporting under this section
                                                and Toxics, Environmental Protection                    November 17, 2016 final rule.                         for the significant new uses described in
                                                Agency, 1200 Pennsylvania Ave. NW.,                                                                           paragraph (a)(2) of this section.
                                                Washington, DC 20460–0001; telephone                    V. Congressional Review Act                           *     *     *     *    *
                                                number: (202) 564–9232; email address:                   Pursuant to the Congressional Review                 [FR Doc. 2016–30769 Filed 12–22–16; 8:45 am]
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                                                moss.kenneth@epa.gov.                                   Act (5 U.S.C. 801 et seq.), EPA will                  BILLING CODE 6560–50–P




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Document Created: 2016-12-23 12:29:02
Document Modified: 2016-12-23 12:29:02
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionDirect final rule; notice of partial deletion of the North Penn Area 6 Superfund Site from the National Priorities List.
DatesThis direct final partial deletion is effective February 21, 2017 unless EPA receives adverse comments by January 23, 2017. If adverse comments are received, EPA will publish a timely withdrawal of the direct final partial deletion in the Federal Register informing the public that the partial deletion will not take effect.
ContactHuu Ngo, Remedial Project Manager (3HS21), U.S. Environmental Protection Agency, Region III, 1650 Arch Street, Philadelphia, PA 19103-2029; (215) 814-3187; email: [email protected]
FR Citation81 FR 94262 
CFR AssociatedEnvironmental Protection; Air Pollution Control; Chemicals; Hazardous Waste; Hazardous Substances; Intergovernmental Relations; Penalties; Reporting and Recordkeeping Requirements; Superfund; Water Pollution Control and Water Supply

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