Record of Decision System (RODS)
WESTINGHOUSE ELEVATOR CO. PLANT
|Site Name:||WESTINGHOUSE ELEVATOR CO. PLANT|
|Address:||1200BIGLERSVILLE RD, RTE 34 N|
|City & State:||GETTYSBURG PA 17325|
|NPL Status:||Currently on the Final NPL|
|ROD Type:||Record of Decision|
Please note that the text in this document summarizes the Record of Decision for the purposes of facilitating searching and retrieving key text on the ROD. It is not the officially approved abstract drafted by the EPA Regional offices. Once EPA Headquarters receives the official abstract, this text will be replaced.
The Westinghouse Elevator Plant is located on nearly 90 acres of land approximately 1.5 miles north of downtown Gettysburg, Pennsylvania. The Plant is bounded to the south by property that is part of the Gettysburg Battlefield National Park; and to the west, north and east by residential and small commercial properties. The closest private residences are about 200 feet east of the Plant building.
Prior to its current use, most of the property consisted of farmland. A farm pond, nearly two acres in size, existed on the property near what is now the main entrance to the Westinghouse Plant. The Westinghouse Plant ("Plant") was constructed in 1968 for the manufacture of elevator and escalator components. The Westinghouse Electric Co. ("Westinghouse") began operating the Plant following completion of construction and used the solvents trichloroethene ("TCE") and 1,1,1-trichloroethane ("TCA") in the manufacturing process. Since January 1989 the Plant has been leased and operated by the Schindler Elevator Corporation ("Schindler").
Groundwater is the only source of potable water in the area and residents near the Site are dependent on municipal or private wells. U.S. Environmental Protection Agency (EPA) considers this source of drinking water to be a class IIA aquifer.
The Plant is located within the watershed of Rock Creek, a small southward-flowing stream located approximately three-quarters of a mile to the east of the Plant. Two small intermittent streams are present near the Site. Most surface water at the Plant is collected by a storm drainage system which eventually discharges to the two tributaries. No flood plains or wetlands are present on the Plant property.
Chemical feed materials used in many of the operations include solvents, paints, cutting and lubricating oils, and insulation board. The major solvent used up to 1975 was TCE, after which time TCA was substituted for TCE. Waste materials generated include spent solvents, paint sludges, spent oils and greases, and excess insulation board. The processes which generated the majority of hazardous or otherwise regulated wastes related to contaminants found in groundwater are described below.
The selected remedy will be protective of human health and the environment because the risks from these areas are below EPA's trigger levels for direct contact and because any leaching of contaminants to groundwater will be addressed by the pump and treat system selected by the ROD for Operable Unit One.
The selected remedy requires no additional action for soils contaminated with very low levels of listed RCRA hazardous waste. Therefore action specific ARARs do not apply, and the only ARARS for the Site soils are the Pennsylvania Solid Waste Management Act hazardous waste closure regulations which require a low permeability cap. Since the soils are contaminated with listed waste constituents, these ARARs are applicable. EPA has waived these ARARs on the basis of "Greater Risk to Human Health and the Environment" since capping would retard the leaching of contaminants to the groundwater extraction and treatment system and on the basis of "Equivalent Standard of Performance" since collection and treatment of the leached contaminants by the groundwater extraction and treatment system is a more effective remedy than immobilizing them under a cap system.
This ROD addresses only contaminated soils at the Westinghouse Elevator Plant Site. The previous Record of Decision, issued on June 30, 1992, selected extraction and treatment of on-Plant and off-Plant groundwater, using extraction wells, air stripping of contaminants from groundwater, and carbon adsorption of the contaminants in the effluent air stream.
The selected remedial action for this site is No Additional Action for this Operable Unit within the site. The other alternatives evaluated would produce little or no environmental benefit at substantial cost. although risks presented by the soils are not above EPA's acceptable risk levels, since the previous ROD for Operable Unit One addressed the Commonwealth of Pennsylvania with regard to the groundwater portion of the Site, this ROD will address ARARs for the soils portion of the Site. The Commonwealth's ARARs and the need to evaluate the impact of the leaching of contaminated soils on groundwater of the Commonwealth required completion of the Feasibility Study and a more detailed remedy selection analysis in this ROD.
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