| Research Organics Inorganics 507 Main Street Belleville Township, Essex County
 PI #: 023215
 BLOCK: 38 LOT: 1 Community Relations Coordinator: Heather Swartz (609) 984-7135 SITE DESCRIPTION/RESOLUTION OF ENVIRONMENTAL CONCERNS:As 
              of 28 June 2004
 Research Organics Inorganics manufactured and supplied specialty chemicals 
              between 1972 and 1983. Belleville Township and NJDEP closed the facility 
              in 1983 after an inspection revealed chemicals were being improperly stored 
              and discharged at the site. The Township and NJDEP removed more than 1,000 
              drums and 12,000 containers of reactive materials and 230 pounds of radioactive 
              materials between 1983 and 1987 under an Interim Remedial Measure (IRM). 
              In 1986, NJDEP’s Remedial Response Element began a Remedial Investigation 
              and Remedial Action Selection (RI/RAS) to delineate the contamination 
              in the soil and ground water and evaluate cleanup alternatives. Based 
              on the initial findings, NJDEP issued a Decision Document in 1989 that 
              required excavation of contaminated soil, decommissioning of the underground 
              storage tanks and decontamination of the building. NJDEP removed approximately 
              700 tons of contaminated soil and 35 tons of PCB-contaminated materials 
              from the site during the remedial action, which was completed in 1992. 
              NJDEP completed investigation of the ground water in 1995. The RI/RAS 
              revealed that although the ground water at the site was contaminated with 
              organic compounds and metals, the contamination was confined to a limited 
              area and was not migrating. The RI/RAS also showed that the contaminant 
              levels in the ground water were decreasing over time. Based on these findings 
              and the fact that ground water in the area is not used for potable water 
              supplies, NJDEP issued a second Decision Document in 1995 that selected 
              natural attenuation as the final remedy to address the ground water contamination, 
              with quarterly monitoring of the ground water for a minimum of two years. 
              The Decision Document also required establishment of a ground water Classification 
              Exception Area (CEA) at the site. Two years of ground water monitoring 
              showed that the levels of contaminants in the ground water diminished 
              but did not disappear as expected. The property was sold at public auction 
              in 2000 and a commercial facility opened at the site in 2001. The $495,000 
              generated by the sale was used to compensate NJDEP and Belleville Township 
              for part of their cleanup costs. NJDEP continues to monitor the ground 
              water pursuant to the requirements of the CEA, and plans to install two 
              additional monitor wells at the site in 2003 to further evaluate ground 
            water contamination at the rear of the property.    | 
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