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Lindane Dump/ALSCO Park Superfund Site
Overview
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On Wednesday, March 18, 1998, representatives of the EPA hosted a
public meeting at the
Harrison Township Municipal Building in Natrona Heights to explain the objectives and projected
timeline of the cleanup of the Lindane Dump/ALSCO Park Superfund Site. The site occupies land
on Springhill road opposite the Harrison Municipal Building.
EPA added the Lindane Dump/ALSCO Park Site to the National Priorities List (NPL)
in 1983. The NPL is EPA's list of the nation's most serious uncontrolled or abandoned
hazardous waste sites identified for possible long-term cleanup
action under the Superfund program.
The Lindane Dump/ALSCO Park Superfund Site is located in Harrison
Township, Allegheny County, Pennsylvania, about 20 miles northeast of
Pittsburgh. The site consists of the Natrona ALSCO Community Park
which is about 14 acres in size and a 43.5 acre lower project area, which
includes a closed landfill.
Between 1850 and 1960, Pennsylvania Salt Manufacturing Company (the
predecessor of Penn Walt Company and Elf Atochem North America Inc.)
owned and operated an industrial and chemical waste-disposal facility on the
site. From 1900 to 1950, approximately 400 tons of powdered Lindane
pesticide waste and other industrial wastes were dumped at the site,
and surrounding soil. Lindane is a white crystalline organic solid that is
used in several ways as a pesticide, including to protect wood from
certain beetles, to dip for fleas and lice on pets and to treat trees and
vegetables.
In 1965, predecessors of the Allegheny Teledyne Corporation purchased
the site and disposed of construction wastes, industrial waste, treatment
plant sludge, coke, rubber tires and slag at the site until the mid-1980s.
In 1972, the Allegheny Ludlum Corporation donated the ALSCO
Park area to Harrison Township.
EPA added the Lindane Dump/ALSCO Park Site to the National Priorities List (NPL)
in 1983.
In 1984, the park was closed due to site contamination and an interim
leachate collection / treatment system was installed. Contamination was still
spreading at the site. As a result, EPA issued a Record of Decision
(ROD) for the Lindane Dump/ALSCO Park Superfund Site on March 31, 1992.
The ROD outlines all of the cleanup activities that are scheduled to take
place at the site in the near future.
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