Superfund Site Profile
From 1947 to 1991, National Wood Preservers ran a wood treatment operation on this site in Delaware County, Pennsylvania. The company reportedly disposed of liquid waste in a well leading to groundwater under the plant. The wastes where mostly oil contaminated with pentachlorophenol (PCP). The liquid wastes leaked into nearby Naylor’s Run, a small stream that flows through a residential area and then empties into the Delaware River. Liquid wastes were also spilled on the surface, contaminating soil in the area. Approximately 26,000 people live within a mile of the site and there are no known users of the groundwater ...
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