The geology of the area is typified by folded and faulted Paleozoic sedimentary rocks overlain by unconsolidated glacial outwash deposits. Locally, the bedrock consists of Ordovician limestones and dolomites known as the Stockbridge limestone. Where outcrops occur on site and in the area the rocks dip 30 to 40 percent eastward. The rock is heterogeneously faulted and fractured, resulting in zones of high secondary porosity caused by dissolution processes. The bedrock surface at the facility is generally shallow, but very uneven, with elevations ranging from 50 to 250 feet above sea level.
Targeted Environmental Media:
 Dense Non-aqueous Phase Liquids (DNAPLs) - Fractured Bedrock
There are at least nine separate contaminant plumes in the overburden and four in the bedrock.
Major Contaminants and Maximum Concentrations:
- Tetrachloroethene (Not given)
- Trichloroethene (Not given)
- 1,2-Dichloroethene (Not given)
- Vinyl chloride (Not given)
No technologies selected.
- Pump and Treat
Comments:
Other contaminants of concern are chlorodifluoromethane and 1,1,2-Trichloro-1,2,2-trifluoroethane. The plumes are contained by six bedrock production wells that operate continuously and pump approximately 1.2 million gallons per day.
New York State Groundwater Quality Standards.
The plumes are contained and with the presence of DNAPL the pumping is expected to continue for a long time.
http://www.epa.gov/region02/waste/fsibmhop.htm
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