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Superfund Site Report: MONTCLAIR/WEST ORANGE RADIUM SITE
 
 
  • Map Locating Superfund Site
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  • Site Description
    Stage of Clean-up: Construction Underway

    Jersey Conditions at proposal (October 15, 1984): The Montclair/West Orange RADIUM Site is in two residential neighborhoods in Montclair and West Orange in Essex County, New Jersey. Radioactive material, believed to be radium-processing waste, was used as fill, resulting in unacceptable levels of RADON+ gas and its decay products in a number of private residences. Approximately 50,000 cubic yards of contaminated material are scattered throughout a neighborhood covering about 1.0 square mile. Several years ago, the State started to investigate a radium-processing facility in Orange that had ceased operation in the l920s. The possibility of off-site disposal of processing waste prompted an aerial survey of surrounding areas for gamma radiation. In July l983, the survey identified a number of homes with high levels of RADON+ gas. About 80 people are immediately affected. In December l983, EPA started a major field investigation to define the perimeter of contamination and identify additional problem homes. Using CERCLA emergency funds, EPA installed ventilation systems in affected homes as a temporary corrective measure.  More...

    Sources of Contamination:
    • Dumping - unauthorized
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  • Threats and Contaminants
    The soil on the site is contaminated, to varying degrees, with RADIUM. When this material is located in and around a home, it may result in high levels of RADON+ gas and gamma radiation in the home. RADON+ is a decay product of RADIUM and gamma radiation is the energy released during the decay process. People who are exposed to the RADIUM, RADON+, RADON+ decay products and elevated levels of gamma radiation may be at risk. In addition, accidental ingestion of soil may cause adverse health effects.


    Contaminants Detected

      Ground
    Water
    Surface
    Water
    Air Soil Other
    RADIUMXXX  
    RADON  X  


    Groundwater and Drinking Water

    Were drinking water wells shut down due to contamination? No data
    Are drinking water wells potentially threatened? No data
     
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  • Pre-Cleanup Rankings
    EPA Hazard Ranking System scores for MONTCLAIR/WEST ORANGE RADIUM SITE:

    Less Hazard National Average More Hazard
    0%         50%         100%

    Overall site:
    Ground water migration:
    Air migration:


    Rank Superfund sites in the U.S., NEW JERSEY, or in ESSEX County by EPA Hazard Ranking Scores.

    *Note: EPA's Hazard Ranking System is designed to screen and prioritize sites for the Superfund program, based on limited data available at time of listing. These scores are not based on a comprehensive risk assessment of the site and do not reflect conditions after initiation of cleanup work.
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  • Site Information
    Site Name: MONTCLAIR/WEST ORANGE RADIUM SITE
    EPA ID: NJD980785653
    Address: N/A
    MONTCLAIR/W. ORANGE, NJ 07044-7052
    Site Ownership: Other
    Category of Site: Radioactive Site
    Date of Final Listing on the NPL: February 14, 1985
     
    List Standard Industrial Classifications (SIC) associated with current and past activities at the MONTCLAIR/WEST ORANGE RADIUM SITE Superfund site.
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  • Potentially Responsible Party (PRP) Involvement
    Number of PRPs currently associated with this site: 0

    List Potentially Responsible Parties identified by U.S. EPA as associated with the MONTCLAIR/WEST ORANGE RADIUM SITE Superfund site.
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