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Record of Decision System (RODS)



Address:  RTE 846 RIVER RD 
City & State:  HERMITAGE  PA  16148
County:  MERCER
EPA ID:  PAD000439083
EPA Region:  03
NPL Status:  Deleted from the Final NPL
ROD Type:  Record of Decision
ROD ID:  EPA/ROD/R03-96/214
ROD Date:  12/29/1995
Operable Unit(s):  01
Media:  groundwater, soil, sediments
Contaminant:  PCB, VOCs, SVOCs
Abstract:  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 River Road Landfill/Waste Management Inc. site is located approximately 2 miles northeast of Sharon, Pennsylvania. It occupies 102 acres and approximately 38 acres of the site have been used for refuse disposal. The remaining property has never been developed. It consists of open grassy areas, drainage ditches, and sedimentation basins.

The site is bounded by River Road to the northwest. The Shenango River forms the southern boundary of the site, beyond which is industrial development. Wooded and residential properties are located to the northeast, east, and west of the site.

Industrial activity at the site began in the 1940s, when the site was used for oil and gas production. Prior to that, the site was reportedly used for agricultural purposes. In the late 1950s, the property was operated as a sand and gravel mine. During the period from 1962 to 1980, the site accepted municipal, residential, and industrial waste from area communities. The site was purchased by Erie Disposal Company, and a final solid waste disposal permit was issued in 1984.

In 1980, a subsurface leachate collection system/groundwater dam was built on the south side of the landfill. The collected leachate was temporarily stored on site in a lagoon and periodically collected and trucked off site for disposal until 1983. After 1983, the collected leachate was discharged into a regional Public Owned Treatment Works (POTW) sewer main. In 1982, sediment control and soil erosion systems were installed. The leachate lagoon was closed in 1983.

Between 1982 and 1985, sludge containing polychlorinated biphenyls (PCBs) was removed from segregation areas and disposed with refuse in the landfill. The landfill was capped in 1987, and further upgrades to the leachate collection system were added in 1988.
Remedy:  The selected remedy for the site is continuation of the operation and maintenance of the existing treatment scheme that already exists at the site, along with the addition of institutional controls. The existing treatment scheme is comprised of a fence, a solid waste cap, a groundwater dam, a groundwater/leachate collection system, and a monitoring program. The major components of the existing treatment scheme previously implemented and continuing to operate are described below: continued operation and maintenance of the existing groundwater/leachate collection system; continued maintenance of the landfill cap and integrated surface water drainage system and the passive landfill gas venting system currently installed at the landfill; continued maintenance of the existing groundwater dam; continued maintenance of the existing fence; and continuation of the existing monitoring program.

The selected remedy also includes the following new components: deed restrictions to prohibit the installation of new on-site potable wells; and deed restrictions to prohibit the excavation of disturbance of the soil cap, which results in exposing the fill materials.
Text:  View full-text ROD [ 154K ]
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