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City & State:  BRIDGETON TOWNSHIP  PA  18972
County:  BUCKS
EPA ID:  PAD047726161
EPA Region:  03
NPL Status:  Currently on the Final NPL
ROD Type:  Record of Decision
ROD ID:  EPA/541/R-99/009
ROD Date:  11/18/1998
Operable Unit(s):  01
Media:  Groundwater, Sediment, Soil, Surface Water
Contaminant:  Base Neutral Acids, Metals, PAH, Pesticides, VOC
Abstract:  The Boarhead Farms Superfund Site is located in Bridgeton Township, Bucks County, Pennsylvania, four miles from
Revere. It occupies approximately 120 acres. Approximately one half of the site is wooded and non-wooded wetlands.
The other half includes open field areas, four manmade ponds, wooded uplands, a farmhouse, office, and stable.

Boarhead Corporation (BHC) purchased the site in 1969 and remains the current legal owner. Throughout the 1970s,
chemicals were found to be improperly stored and disposed of at the site. EPA placed the site on the National Priorities
List (NPL) in March 1989. There have been four removal actions all taking place in 1992 and 1993.

A Record of Decision addressing this site was completed in November 1998.
Remedy:  EPA has selected Alternative 6 for implementation at the Boarhead Farms Site. The following are the key components of the selected remedy:

Soil Aeration and Treatment of volatile organic compound (VOC) Hot Spots: Excavation and mechanical aeration of soil hot spot areas to remove high levels of VOCs (primarily TCE and benzene) in a temporary onsite treatment building equipped with carbon filters. Two areas were idenitified as containing high levels of VOCs. The first is located west of the site residence and south of the Keystone garage. The second VOC hot spot is approximately 0.75 miles from the residence along and including a small road leading north from the main site access road. The wooded wetlands shall be left undisturbed.

Excavation and Offsite Disposal of Buried Drums: Excavation and offsite disposal of buried drums to reduce the potential for continued migration of contaminants to the soil and groundwater as well as to reduce exposure risk.

Groundwater Extraction, Metals Precipitation, and Air Stripping: Continued extraction and treatment of VOCs in groundwater via the existing interception trench and extraction wellsand air stripping treatment system and addition of a metals precipitation unit to remove inorganics to reduce contaminants in the groundwater to below Maximum Contaminant Levels (MCLs).

Installation of Additional Monitoring Wells: Installation of additional monitoring wells to monitor the effectiveness of the remedial action. These wells will be placed in areas along the perimeter of the site to permit monitoring of migration, if any, of contaminated groundwater.

Institutional Controls and Monitoring: Implementation of institutional controls to protect the integrity of the remedial action components and the previously installed soil cover to ensure continued protectiveness of the remedy.

Residential Water Treatment: Continued maintenance of the granular activated carbon (GAC) filters that were installed on affected residential water wells in the surrounding area to prevent exposure to contaminated groundwater from the site.

Phytoremediation: Performance of treatability studies in the main former disposal areas of the site to determine whether phytoremediation is a viable treatment technique to aid in the removal of VOC and metals contamination in the groundwater.

Estimated Capital Costs: $7,180,100
Estimated Annual O&M Costs: $463,900
Estimated Present Worth Cost: $13,157,000
Text:  View full-text ROD [ 753K ]
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