National Oil and Hazardous Substances Pollution Contingency Plan; National Priorities List: Partial Deletion of the Beloit Corporation Superfund Site
Direct final rule.
CFR Part: "40 CFR Part 300"
Citation: "83 FR 32798"
Document Number: "
Page Number: "32798"
"Rules and Regulations"
SUMMARY:
EFFECTIVE DATE: This direct final partial deletion is effective
ADDRESSES: Submit your comments, identified by Docket ID No.
Email: [email protected].
Mail:
Hand deliver: Superfund Records Center,
Instructions: Direct your comments to Docket ID No.
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 statue. 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. Environmental Protection Agency, Region 5, Superfund Records Center,
Talcott Free Library,
FOR FURTHER INFORMATION CONTACT:
SUPPLEMENTARY INFORMATION:
Table of Contents
I. Introduction
II. NPL Deletion Criteria
III. Partial Deletion Procedures
IV. Basis for Site Partial Deletion
V. Partial Deletion Action
I. Introduction
EPA Region 5 is publishing this direct final Notice of Partial Deletion for the
Section II of this document explains the criteria for deleting sites from the NPL. Section III discusses the procedures that
II. NPL Deletion Criteria
The NCP establishes the criteria that
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,
III. Partial Deletion Procedures
The following procedures apply to the deletion of the
(1)
(2)
(3) Concurrent 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 two major local newspapers, the
(4)
(5) If adverse comments are received within the 30-day public comment period on this partial deletion action,
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
IV. Basis for Partial Site Deletion
The following information provides
Site Background and History
The Beloit Corp. Site (CERCLIS ID ILD021440375) is located in
The Beloit Corp. used approximately 20 acres of its 200-acre property for a research center (the
The Beloit Corp. property is divided into several parcels of land and has been redeveloped. The northern parcel of the Site is the location of the
The remaining western and southern parcels of the former Beloit Corp. property are owned by
The Beloit Corp. property was farmland until
IEPA began investigating potential contamination on the
IEPA's investigations determined that the most likely source of the groundwater contamination in the Blackhawk Acres subdivision was the
Beloit Corp. entered into a Consent Decree with IEPA in 1991 to conduct a Remedial Investigation (RI) and Feasibility Study (FS) at the Site. The RI found that the groundwater is contaminated with volatile organic compounds (VOCs) including tetrachloroethene (PCE), 1,1,1-tricloroethane (1,1,1-TCA), and trichloroethene (TCE).
In 1993, IEPA determined that three residential wells in the Blackhawk Acres subdivision contained TCE in groundwater above the Maximum Contaminant Level (MCL) established under the Safe Drinking Water Act. IEPA subsequently fitted these three residential wells contaminated above the MCL with carbon filtration systems plus IEPA fitted a fourth residential well with a carbon filtration system. The filtration systems continue to be maintained by IEPA. In 1999, IEPA connected a fifth residence with contaminated well water to the
The highest area of groundwater contamination is located under the southern area of the
IEPA issued an Action Memorandum to
Beloit Corp. conducted an Engineering Evaluation/Cost Analysis (EE/CA) to evaluate potential ISCA alternatives. The non-time critical removal action objectives developed in the EE/CA were to: Limit the potential for the migration of VOCs in groundwater at the Site through the installation of a groundwater containment system; initiate the removal of VOCs from the groundwater at the source area (the vicinity of the
IEPA selected a groundwater pump and treat system as the ISCA.
Beloit Corp. filed for bankruptcy in 1999. As part of the bankruptcy, the court entered an order which, among other things, transferred the ownership of
The section 122(h) Agreement settled and resolved the potential liability of Giuffre resulting from its ownership and/or operation of the
On
Giuffre deeded the remaining areas of the former Beloit Corp. property (i.e., the
This partial deletion pertains to all media at the approximately 20.757-acre
Remedial Investigation and Feasibility Study (RI/FS)
Beloit Corp. conducted the RI in four phases between 1992 and 1998. The Phase I and II investigations identified and investigated the source area(s) of the VOCs at the Site. The Phase III investigation determined the extent of the VOC groundwater contamination. The Phase IV investigation evaluated potential sources of a deeper TCE contaminant plume in the upper aquifer in wells in the southern portion of the Beloit property, the southern
The RI investigated the former Beloit Corp. foundry sand disposal area, former on-Site wastewater treatment plant (WWTP) lagoons, fibrous sludge spreading area where sludge from WWTP lagoons was applied, storage yard area,
The RI determined that the primary groundwater contamination at the Site originates under the southern area of the
The groundwater contamination is believed to be due to the discharge of VOCs to the ground surface in this area before
The RI found a plume of deeper groundwater contamination at the Site in the upper aquifer near the southeast corner of the
The groundwater in the deeper plume is contaminated primarily with TCE and is found at a depth of approximately 70 ft-bgs. The source of the deeper, TCE Plume could not be located, but is believed to be in the vicinity of groundwater monitoring wells W26C and W18, near the southeast corner of the
The only structure on the
Beloit Corp. conducted a Feasibility Study (FS) to evaluate cleanup alternatives to address the groundwater contamination at the Site. The FS did not develop cleanup alternatives to address other Site media because the baseline risk assessment did not identify any unacceptable risks associated with exposure to the other media including surface and subsurface soil, dust, vapor, surface water or sediment.
Selected Remedy
EPA's and IEPA's remedial action objectives for the Site are to: Prevent exposure to contaminated groundwater; prevent or minimize further migration of the contaminated groundwater plumes located at and downgradient of the
The only remedial alternative
EPA and IEPA issued a Record of Decision (ROD) for the Site in 2004. The ROD selected a cleanup remedy for the Site which included: Continued operation and monitoring of the groundwater pump and treat ISCA system located on the
The only remedy component applicable to the
IEPA conducted additional investigations in the former manufacturing plant source area of the Site in 2006 for the remedial design. IEPA's investigations indicated that the source area of the groundwater contamination is larger than previously indicated (but not on the
EPA and IEPA issued an Explanation of Significant Differences (ESD) in 2007 modifying the Site remedy. The ESD changed the treatment component of the remedy from in-situ chemical oxidation to installing one or more additional extraction wells south and southeast of the
The ESD did not alter the conclusion that the southern area of the
The ROD as modified by the ESD, requires: (1) The continued operation of the existing groundwater pump and treat ISCA system at the source area on the
Response Actions
IEPA completed the remedial action to expand and increase the effectiveness of the 1996 groundwater pump and treat system on the Former Beloit Manufacturing Property in 2008. IEPA expanded the groundwater pump and treat building to accommodate the increase in the volume of extracted groundwater, installed three new groundwater extraction wells, and shut down one extraction well (EW01) to adjust the zone of groundwater extraction to better target the source area.
IEPA conducted pneumatic fracturing at the three additional extraction well locations to increase the volume of water pumped out by the extraction wells in the source area. IEPA connected the new extraction wells to the groundwater treatment system and tested the system to ensure it was properly operating.
Cleanup Levels
The cleanup levels for the groundwater contaminants at the
IEPA conducted an updated hydraulic capture zone analysis of the expanded groundwater extraction system in 2013. The updated capture zone analysis further confirms that the VOC-contaminated groundwater originating from the former
Annual VOC sampling of a deep, water supply well located on the
Well WW441K is used to supply water for employee toilets and sink uses, and for limited cleaning purposes. The
A second, deeper water supply well is located on the
Operation and Maintenance (O&M)
The only O&M required for the
PPC filed a Uniform Environmental Covenant, pursuant to the Illinois Uniform Environmental Covenants Act [UECA, 765 Illinois Compiled Statutes (ILCS) 122] on the
PPC's EC: (1) Restricts or limits the use of the land to industrial land use; (2) prohibits the construction of new or non-existing wells or consumptive use of the groundwater underlying the property; (3) prohibits any activity that may interfere with or would affect the integrity or the configuration of the RA at the Site, or the operation and maintenance of any RA component; and (4) grants authorized representatives of IEPA and
Other O&M at the Site includes IEPA's operation of the groundwater treatment system on the
Five-Year Review
EPA and IEPA conducted the first statutory five-year review (FYR) at the
The FYR Report determined that a protectiveness determination could not be made at the Site without further information to assess the potential for vapor intrusion into nearby residences and commercial properties, and updated groundwater modeling. The issues and recommendations in the FYR Report did not apply to the
IEPA conducted a vapor intrusion assessment and updated the Site groundwater model to address the issues in the FYR Report. The vapor intrusion assessment determined that the Site does not pose a risk to Site workers or nearby residents through the vapor intrusion pathway. The updated Site groundwater model capture zone analysis demonstrates that the groundwater contamination in the
EPA issued a FYR Addendum documenting that the Site is currently protective of human health and the environment on
Community Involvement
EPA and IEPA satisfied public participation activities for the Site required in CERCLA Section 113(k), 42 U.S.C. 9613(k), and CERCLA Section 117, 42 U.S.C. 9617. IEPA has actively engaged the
IEPA developed and distributed four fact sheets about the Site throughout the RI/FS. The fact sheets provided information about the residential well sampling, the environmental investigations, Site updates, public meeting announcements, the proposed plan, new documents and reports added to the information repository, the start and completion of cleanup actions, schedule delays and the establishment of the Administrative Record.
IEPA published three weekly notices about its proposed cleanup plan for the Site in the
IEPA published a notice announcing the 2013 FYR and inviting the public to comment and express their concerns about the Site at the start of the FYR. IEPA published these notices in the
EPA published notices announcing this proposed Direct Final Partial Deletion in the
Determination That the Criteria for Deletion Have Been Met
The Former Beloit Corp. Research Center Property portion of the
The NCP (40 CFR 300.425(e)) states that a Superfund site or a portion of a site may be deleted from the NPL when no further response action is appropriate.
V. Partial Deletion Action
EPA, with concurrence of the
Because
List of Subjects in 40 CFR Part 300
Environmental protection, Air pollution control, Chemicals, Hazardous substances, Hazardous waste, Intergovernmental relations, Penalties, Reporting and recordkeeping requirements, Superfund, Water pollution control, Water supply.
Dated:
Regional Administrator, Region 5.
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
1. The authority citation for part 300 continues to read as follows:
Authority: 33 U.S.C. 1321(d); 42 U.S.C. 9601-9657; E.O. 13626, 77 FR 56749, 3 CFR, 2013 Comp., p. 306; E.O. 12777, 56 FR 54757, 3 CFR, 1991 Comp., p. 351; E.O. 12580, 52 FR 2923, 3 CFR, 1987 Comp., p. 193.
Appendix B to Part 300--[Amended]
2. Table 1 of appendix B to part 300 is amended by revising the listing under
Appendix B to Part 300--National Priorities List
Table 1--General Superfund Section State Site name City/county Notes (a) * * * * * * * IL Beloit Corp. Rockton P * * * * * * *
(a) * * *
* * * * *
P = Sites with partial deletion(s).
* * * * *
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