Superfund Information Systems: Site Profile

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The Woodland Township Route 72 Dump site is located in Woodland Township, New Jersey. The 12-acre area is an inactive industrial dump, just two miles from an almost identical site – the Woodland Township Route 532 site. Both sites are on the Superfund program’s National Priorities List. From the early 1950s to the mid-1960s, various wastes were brought to the Woodland Township Route 72 Dump site in 55-gallon drums and in bulk transport. The wastes were dumped into open pits and trenches, and then burned and buried. In addition to chemical contaminants in soil and water, some areas of the site exhibited gamma radiation exposure at levels greater than the EPA-recommended action level. Following immediate actions to protect human health and the environment, the site’s long-term remedy was put in place. Groundwater treatment and monitoring are ongoing.

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What Has Been Done to Clean Up the Site?

In 1986, a security fence was constructed to restrict site access. The New Jersey Department of Environmental Protection (NJDEP) completed a study of soil and ground water pollution at the site in 1989.

In 1990, EPA and NJDEP selected the cleanup remedy, which included excavating all contaminated surface materials and disposing them at an approved off-site facility, and installing a ground water extraction and treatment system, with reinjection of the treated water back into the aquifer.

By January 1991, waste materials were removed and disposed of by potentially responsible parties at an EPA-approved facility. In 1993, a subsurface soils study was completed, which indicated that there was no contamination in the subsurface soils that poses a risk to human health and the environment.

In September 1993, NJDEP documented that no further action was necessary regarding the subsurface soils; EPA concurred. In 1997, the potentially responsible parties conducted a study that analyzed and compared the groundwater remedy selected in the Record of Decision (ROD) with an alternative combination of air sparging-soil vapor extraction with natural attenuation.

In April 1999, NJDEP amended the groundwater remedy from the extraction and treatment system selected in the 1990 ROD to a combination of air sparging-soil vapor extraction with natural attenuation

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What Is the Current Site Status?

The site is being addressed in three stages: immediate actions and two long-term remedial phases focused on cleanup of the entire site.

Cleanup of surface contamination was completed in 1991.

Construction of the second and final phase of the air sparging-soil vapor extraction system was completed in the Spring of 2004. The system is currently operating and is still extracting VOCs from the site. It is expected to operate for several more years.

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