Superfund Information Systems: Site Profile

Superfund Site:

CHEMICAL INSECTICIDE CORP.
EDISON TOWNSHIP, NJ

Cleanup Activities

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Background

The Chemical Insecticide Corp. site is a 5.7-acre area located in Edison Township, New Jersey. Chemical Insecticide Corporation (CIC) owned and operated an industrial facility at the site from 1954 to 1970. It formulated or manufacted insecticides, fungicides, rodenticides and herbicides. These activities, combined with poor housekeeping, led to widespread chemical contamination as well as migration of contaminants off site. Cleanup of contaminated soil, sediment and surface water has been completed. Long-term groundwater monitoring is ongoing.

Site Responsibility: The site is being addressed through Federal actions.
 

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What Is Being Done to Clean Up the Site?

All soil related remedial activities have been completed. As a result the actions are protective of human health and the environment through the removal of arsenic, pesticide and herbicide-contaminated soils from the site, thereby eliminating the possibility of exposure to these soils.

The site-related groundwater contamination is being monitored. The groundwater plume is stable and all surrounding industries and businesses are connected to public water. Institutional controls such as a Classification Exception Area and Well Restriction Area have been established to restrict water use in the area.
 

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What Is the Current Site Status?

All planned actions have been completed at the site with the exception of the long-term groundwater monitoring efforts which are on-going. Groundwater monitoring has indicated that contaminants of concern such as metals, pesticides, herbicides, semi volatile organic compounds, and to a lesser extent, volatile organic compounds remain within the site-related plume; however, there have been some notable decreases in concentrations, which is an indication that the OU2 soil remedial action is continuing to have a beneficial effect on groundwater contamination concentrations.

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EPA’s Involvement at the Site

The site was addressed in phases known as  operable units (OUs).  Operable Unit One (OU1), based on a 1989 Record of Decision (ROD), was an interim remedy to control contaminated runoff from the site.  Operable Unit Three (OU3) was a final remedy addressing contaminated soil and sediment in off-site creek areas, based upon a ROD issued on March 28, 1995.  Operable Unit Two (OU2) was the final remedy for surface and subsurface soils at the site, based upon a ROD issued on September 29, 2000.  Operable Unit Four (OU4) was the final site-related remedy addressing the contaminated groundwater, based upon a ROD issued December 22, 2003.  The OU1, OU2 and OU3 remedial actions have been completed and no further actions are anticipated.  The groundwater remedy (OU4), which requires long-term groundwater monitoring and institutional controls, continues to be implemented.  OU4 groundwater monitoring activities have indicated that groundwater in the overburden and bedrock aquifers is contaminated at the site and nearby areas.  This is consistent with the findings of the OU4 ROD, which included an applicable or relevant and appropriate requirement (ARAR) waiver for the area of contaminated groundwater due to technical impracticability.  The conditions that led to the waiver of ARARs are still found to be present to this day.

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Operable Units

During cleanup, a site can be divided into a number of distinct areas depending on its complexity. These areas, called operable units (OUs), may address geographic areas, specific problems, or areas where a specific action is required. Examples of typical operable units include construction of a groundwater pump and treatment system or construction of a cap over a landfill.

View a list of all of the operable units at this site.

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Cleanup Progress

View the schedule for cleaning up this site.

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