Arky Property
217 Route 520
Marlboro Township, Monmouth County
PI #: G000004859
BLOCK: 268 LOT: 79
Community Relations Coordinator: Mindy Mumford (609) 777-1976
SITE DESCRIPTION/RESOLUTION OF ENVIRONMENTAL CONCERNS:
As
of 28 June 2004
The site encompasses 22 acres, seven of which are used as an automobile
junkyard. A portion of the junkyard was once used as a dump for drums,
sludges, liquid wastes, tires and other debris. In 1987, the Superior
Court of New Jersey ordered NJDEP to conduct an investigation of the former
disposal area to determine the scope of the contamination and cost to
remediate the site. Between 1988 and 1991, NJDEP’s Remedial Response Element
implemented an Interim Remedial Measure (IRM) to remove 22 buried drums
and conducted an initial investigation that confirmed the ground water
at the site was contaminated. Sampling of nearby private potable wells
that was performed as part of the initial investigation showed that they
had not been affected. The Superior Court of New Jersey issued a judgment
against the Responsible arty in 1996 for 100% of the past costs incurred
by the State. Between 1998 and 2001, NJDEP conducted a second IRM to excavate
and dispose of 70 buried drums of chemical wastes and approximately 1,000
cubic yards of contaminated soil and completed a Remedial Investigation
and Remedial Action Selection (RI/RAS) for the site. The RI/RAS revealed
that the surface soil within a 1.25-acre area of the junkyard is contaminated
with polychlorinated biphenyls (PCBs) and the ground water at the site
is contaminated with volatile organic compounds, including trichloroethylene
(TCE) and methyl tertiary-butyl ether (MTBE). However, NJDEP concluded
that there are no potable wells or other receptors downgradient of the
site and that the volatile organic contamination in the ground water may
diminish naturally through biodegradation. Based on the findings of the
RI/RAS, NJDEP issued a Decision Document in 2002 that required excavation
and disposal of approximately 2,000 cubic yards of PCB-contaminated soil
and long-term monitoring of the ground water to verify that natural attenuation
is occurring. NJDEP has installed additional monitor wells near the site
and long-term ground water monitoring is scheduled to start in mid-2003.
The soil removal is also scheduled to start in mid-2003, following court
approval.
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