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Superfund Site Report: MAYWOOD CHEMICAL CO.
  • Map Locating Superfund Site
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  • Site Description
    Stage of Clean-up: Study Underway

    Conditions at listing (December 1982): The Maywood Chemical Co. Site consists of three areas in Maywood and Rochelle Park, New Jersey. Starting in the early 1920s, Maywood Chemical processed radioactive THORIUM for, among other things, the production of mantles in gas lanterns. The process resulted in THORIUM waste that, while known to be radioactive, was not considered particularly dangerous at that time. The material was used as a fill in three areas now used for residential and commercial purposes. Testing by the Nuclear Regulatory Commission (NRC) and the State indicates that some areas show radiation levels above background. RADON+ gas is present at levels significantly higher than background in a home built in the residential neighborhood. Status (July 1983): An EPA investigation is underway to determine the extent of contamination at areas not addressed previously by the State or NRC. EPA is also preparing a Remedial Action Master Plan which will assess all existing information and guide further actions at the site.

    Sources of Contamination:
    • Dumping - unauthorized
    • Inadvertent spill
    • Lagoon disposal
    • Manufacturing process
    • Storage - drums/containers of waste
    • Storage - finished product
    • Storage - raw material
    • Waste pile
    • Waste tank - above ground
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  • Threats and Contaminants
    Ground water at the Maywood Site has been contaminated with elevated concentrations of VOLATILE ORGANIC COMPOUNDS (VOCS). Soil on various parts of the site is contaminated with radioactive wastes (primarily THORIUM), as well as VOCS, SVOCs, and metals. Drinking or otherwise coming into contact with contaminated ground water, inhaling contaminated dust, or ingesting contaminated soil are concerns being evaluated by EPA.

    Contaminants Detected

    Air Soil Other
    ARSENIC    X
    COPPER    X
    LEAD    X
    RADON  X  
    ZINC    X

    Groundwater and Drinking Water

    Were drinking water wells shut down due to contamination? No
    Are drinking water wells potentially threatened? No
    Aquifer discharges into: A drinking water aquifer
      Surface water
    Population served by water wells in the aquifer: No data
    List ground water uses.
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  • Pre-Cleanup Rankings
    EPA Hazard Ranking System scores for MAYWOOD CHEMICAL CO.:

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

    Overall site:
    Surface water migration:
    Ground water migration:
    Air migration:

    Rank Superfund sites in the U.S., NEW JERSEY, or in BERGEN 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
    EPA ID: NJD980529762
    Address: RTE 17 & GROVE ST
    Site Ownership: Private
    Category of Site: Radioactive Site
    Date of Final Listing on the NPL: September 08, 1983
    List Standard Industrial Classifications (SIC) associated with current and past activities at the MAYWOOD CHEMICAL CO. Superfund site.
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  • Potentially Responsible Party (PRP) Involvement
    Number of PRPs currently associated with this site: 3
    Hazardous waste received from off-site generators/transporters? No
    Number of past and present PRPs who contributed less than 1% of the waste: 2 - 10
    Number of owners/operators which are also municipalities: 0

    List Potentially Responsible Parties identified by U.S. EPA as associated with the MAYWOOD CHEMICAL CO. Superfund site.
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