6th Ave and Forest Ave, Staten Island, NY, 10301

Port Ivory

Superfund VOCs "vapor intrusion" CVOCs

R Baker & Son Machinery Dismantlers
Site Description[1]
The R. Baker and Son Machinery Dismantlers site is located adjacent to the Goethals Bridge in the northwestern corner of Staten Island and consists of approximately 3 acres of filled-in wetlands. Except for an access road to Washington Avenue, the site is bounded entirely by marshland and tidal creeks. Adjacent bodies of water include: Old Place Creek and the Arthur Kill, an estuary that is approximately 1/2 mile to the northwest. In 1977, the USEPA advised Mr. Baker to stop salvaging transformers after discovering that this company was acquiring PCB oil-filled transformers, selling the PCB-contaminated oil to a waste oil company and recovering the copper wire from the transformer core. Soil samples taken at the time confirmed extensive PCB contamination in the salvage area. A Phase II Investigation in late 1985 documented the presence of PCBs in a shallow groundwater well installed at the disposal location. PCBs were also found in a downgradient bedrock well. Sediments from a leachate seep near a wetland area about 190 feet west of the site and sediments within the wetland area itself were found to be contaminated with PCBs Negotiations with the Port Authority of NY and NJ were made to investigate and remediate the site as part of their Goethals Bridge modernization program. Under this program, the area south of the bridge was investigated in 1994 and included borings at the Baker site. Low levels of PCBs were found in the soils and groundwater. Another investigation followed in 1995-96 and involved the installation of several borings and groundwater wells. No PCBs were found in the groundwater at that time. A work plan to investigate the on-site impacts of the PCBs was agreed upon with the Port Authority. The bridge project is currently on hold. The site will be addressed under the State Superfund program.

Site Environmental Assessment
Confirmed contamination of surface water and groundwater with PCBs and evidence of off-site migration of the PCB to an adjacent wetlands area. Exceedances of standards, criteria, and guidance include PCBs for soil and surface and groundwater. A Phase II Investigation in late 1985 documented the presence of PCBs in a shallow groundwater well installed at the disposal location, at 21.5 ppm. PCBs were also found in a downgradient bedrock well at 4.9 ppb. Sediments from a leachate seep near a wetland area about 190 feet west of the site, were found to be contaminated with PCBs at 5.3 ppm. In addition, sediments within the wetland area itself were found to be contaminated with PCBs at 405 ppb. Negotiations with the Port Authority of NY and NJ were made to investigate and remediate the site as part of their Goethals Bridge modernization program. Under this program, the area south of the bridge was investigated in 1994 and included the installation of 2 borings at the Baker site. Low levels of PCBs were found in the soils and groundwater. Another investigation followed in 1995-96 and involved the installation of several borings and groundwater wells. PCBs were found in the soil in one boring at a depth of 14 to 16 feet. No PCBs were found in the groundwater at that time. A work plan to investigate the on-site impacts of the PCBs was agreed upon with the Port Authority. The bridge project is currently on hold.

Site Health Assessment
Exposures to contaminated groundwater are not expected because Staten Island is served by public drinking water. The soil at the site contains relatively high concentrations of PCBs and several metals. Trespassing is unlikely due to the site's isolated location and unauthorized access is restricted by a chainlink fence and gate only at the entrance to the site. NYSDOH and NYSDEC will be evaluating the need to conduct additional investigations to determine the potential for soil vapor intrusion into structures on or near the site.

Contaminants of Concern

Type of Waste Quantity
BENZENE UNKNOWN
CHLOROBENZENE UNKNOWN
POLYCHLORINATED BIPHENYLS (PCB) UNKNOWN

admin, Debra Hall

Power_plant

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