Record of Decision System (RODS)
|Site Name:||STANLEY KESSLER|
|Address:||103 QUEENS DR|
|City & State:||KING OF PRUSSIA PA 19406|
|NPL Status:||Currently on the Final NPL|
|ROD Type:||Record of Decision|
|Contaminant:||TCE, VOCs, metals|
Please note that the text in this document summarizes the Record of Decision for purposes of facilitating searching and retrieving key text on the ROD. It is no the officially approved abstract drafted by the EPA Regional offices. Once EPA Headquarters receives the official abstract, this text will be replaced.
The 3.21-acre Stanley Kessler site is located at 103 Queens drive, King of Prussia, Upper Merion Township, Montgomery County, PA. The property contains a 14,760 sq. ft one-story masonry building where wire is degreased and respooled. A tributary of the Schuylkill River flows adjacent to the site. The current source of drinking water for the businesses and homes in the site vicinity is the Upper Merion Reservoir (UMR), located 3,500 feet north of the site.
Since 1963, solvents have been used at the site for degreasing and repackaging welding wire. In 1979, TCE and other VOCs were detected in the UMR. Large amounts of VOC and metals contaminated soils were discovered at the Stanley Kessler site as well as VOCs in the groundwater. A removal action followed, including soil excavation and groundwater treatment, which removed the majority of contamination. In 1994, contaminant concentrations were still above drinking water quality standards.
This ROD addresses ground water remediation of the aquifer which has been contaminated by releases of hazardous substances at and from the site. EPA has classified the affected aquifer as a Class IIA aquifer, a current source of drinking water. The objectives of the selected response action are to 1) restore contaminated groundwater to background concentrations, 2) prevent current or future exposure to contaminated groundwater, and 3) protect uncontaminated groundwater for current or future use. Pumping and treating groundwater is the most expeditious way to reduce the contaminant levels that have been detected and inhibit further migration of the contaminant plume.
The selected remedial action for this site includes extracting ground water to remove contaminated groundwater from beneath the site and to prevent contaminants from migrating further; installing, operating, and maintaining granular activated carbon units to treat water to the required levels; periodic sampling of groundwater and treated water to ensure that treatment components are effective and ground water remediation is progressing towards the required cleanup levels; treated ground water effluent will be discharged to the intermittent stream on-site through a newly constructed outfall pipe; and implementing deed restrictions to prohibit the installation of new wells in areas of contamination which do not meet ARARs. These restrictions can be withdrawn when ARARs are achieved.
A long-term ground water monitoring plan will be implemented with quarterly sampling for the first three years and semi-annually thereafter. Semi-annual monitoring will continue until EPA determines, in consultation with the Commonwealth of Pennsylvania, that the performance standard for each contaminant of concern can be achieved on a continuing basis.
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