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The Horseshoe Road site is a 12-acre property located in Sayreville, New Jersey, near the Raritan River. The Horseshoe Road site contains three distinct areas. The first area is the Atlantic Development Corporation (ADC) Facility, which was used for chemical processing of coal tar, asbestos, sealants, epoxy resins, and pesticides, as well as other solvents. The ADC facility contained three buildings that were owned or leased by many companies during the years of operation. The second area is the Horseshoe Road Drum Dump, which was used for disposal from 1972 into the early 1980s. The last area, the Sayreville Pesticide Dump, was also used for disposal, from about 1957 into the early 1980s.
The neighboring Atlantic Resources site was a precious metals recovery operation. Both sites, Atlantic Resources and Horseshoe Road, were originally addressed together as the Horseshoe Road site. In response to concerns from a responsible party group, Atlantic Resources was listed as a separate Superfund site. However, the remedies for both sites have been addressed together due to their close proximity and intermixing of contaminant plumes.
What Has Been Done to Clean Up the Site?
The site first came to EPA’s attention in 1981, when a brush fire at the Horseshoe Road Drum Dump exposed about 70 partially filled drums containing acetonitrile, silver cyanide and ethyl acetate.
The site is being addressed in several stages: initial actions and three long-term remedial phases focused on cleanup of the entire site.
Initial actions: EPA and NJDEP stabilized the site by removing more than 3,000 drums (found buried and on the surface), emptying and disposing of materials found in numerous tanks and vats throughout the site, and excavating and disposing of contaminated soils and debris. Following site investigations and initial actions to protect human health and the environment, EPA placed the site on the Superfund program’s National Priorities List in September 1995.
What Is the Current Site Status?
The third and final phase of the site remediation which addresses sediments in the Raritan River and adjacent marsh was started in 2015 and should be completed in 2019.