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SUPERFUND RECORD OF DECISION, VENTRON ... SUPERFUND RECORD OF DECISION VENTRON/VELSICOL SITE...

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  • SUPERFUND RECORD OF DECISION

    VENTRON/VELSICOL SITE WOOD-RIDGE AND CARLSTADT

    BERGEN COUNTY NEW JERSEY

    SDMS Document

    97299

    Prepared by: N.J. Department of Environmental Protection Site Remediation and Waste Management Program Bureau of Case Management October 2006

  • SITE NAME AND LOCATION

    Operable Unit 1 Ventron/Velsicol Superfund Site Wood-Ridge and Carlstadt, New Jersey EPA No. NJD980529879

    STATEMENT AND BASIS OF PURPOSE

    This Record of Decision (ROD) documents the selection by the New Jersey Department of Environmental Protection (NJDEP) of the remedial action for the Ventron/Velsicol site (the Site) in accordance with the requirements of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, as amended (CERCLA), 42 U.S.C. §9601 et seq. and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP), 40 Code of Federal Regulations (CFR) Part 300. An administrative record for the Site, established pursuant to the NCP, 40 CFR §300.800, contains the documents that are the basis for NJDEP's selection of the remedial action (see Appendix I). The Administrative Record file is located in the following information repositories:

    Wood-Ridge Memorial Library NJ Department of Environmental Protection 231 Hackensack Street 401 East State Street, 5th Floor Wood-Ridge, New Jersey Trenton, New Jersey

    The United States Environmental Protection Agency (EPA) has been consulted on the planned remedial action in accordance with CERCLA §121(f), 42 U.S.C. §962l(f), and it concurs with the selected remedy (see Appendix II).

    ASSESSMENT OF THE SITE

    The response action selected in this Record of Decision (ROD) is necessary to protect public health or welfare or the environment from actual or threatened releases of hazardous substances from the Site into the environment.

    DESCRIPTION OF THE SELECTED REMEDY

    The selected remedy represents the comprehensive remedial action for Operable Unit 1 at the Site. It addresses ground water and soil contamination. The major components of the selected remedy include:

    • A vertical hydraulic barrier system will be installed to serve as a physical barrier to ground water flow and to encapsulate the areas of highest mercury concentrations under the Wolf Warehouse. Soil generated from the installation of the hydraulic barrier (approximately 1,650 cubic yards) will be placed under the cap in the undeveloped area.

  • » Ground water use restrictions will be placed on the extent of the ground water contamination plume in the form of a Classification Exception Area and a Well Restriction Area to restrict use of contaminated ground water.

    • Ground water monitoring will be conducted to determine if hydraulic controls within the barrier are required. If required, hydraulic controls will be implemented. Ground water monitoring will also be conducted to ensure the hydraulic barrier is effective.

    • Excavation of all mercury-contaminated soil above 620 mg/kg (approximately 7,150 cubic yards of soil) and off-site disposal of that soil, subsequent to any necessary treatment.

    • Excavation of site-related contaminants on the Lin-Mor property to the NJDEP Residential Direct Contact Soil Cleanup Criteria. If the property owners of Lin-Mor agree to the placement of a deed notice, then excavation to the NJDEP Residential Direct Contact Soil Cleanup Criteria will not be required; however, a deed notice will be required.

    • Capping areas and/or maintenance of the existing caps (i.e., parking lots and building foundations) with contamination in soil above the NJDEP Non-Residential Direct Contact Soil Cleanup Criteria.

    • Excavation of soil within the 55-foot buffer area adjacent to Berry's Creek, the Diamond Shamrock/Henkel (north) Ditch, and the West Ditch; that soil may be placed under the cap in the undeveloped area. Certified clean fill will be placed in the buffer areas and native vegetation and erosion controls will be installed.

    • Contaminated soil will be excavated from West Ditch to promote proper drainage and prevent transport of contamination to downstream areas.

    • The drain line within the undeveloped area will be located and removed (if it exists) before installation of the cap.

    • Deed notices will be required on all properties with contaminated soil exceeding the NJDEP Residential Direct Contact Soil Cleanup Criteria. If a deed notice(s) cannot be negotiated with a property owner(s), then all soil contamination above NJDEP Residential Direct Contact Soil Cleanup Criteria must be removed on that particular property or properties.

    • To ensure the remedy is protective of surface water, monitoring of contaminant flux from ground water to surface water and sediment will occur.

    DECLARATION OF STATUTORY DETERMINATIONS

    Part 1: Statutory Requirements The Selected Remedy is protective of human health and the environment, complies with Federal and State requirements that are applicable or relevant and appropriate to the remedial action (unless justified by a waiver), is cost-effective, and utilizes permanent solutions and alternative treatment (or resource recovery) technologies to the maximum extent practicable.

  • Part 2: Statutory Preference for Treatment This remedy also satisfies the statutory preference for treatment as a principal element of the remedy (i.e., reduces the toxicity, mobility, or volume of hazardous substances, pollutants, or contaminants as a principal element through treatment).

    Part 3: Five-Year Review Requirements Because this remedy will result in hazardous substances, pollutants, or contaminants remaining on-site above levels that allow for unlimited use and unrestricted exposure, a statutory review will be conducted within five years after initiation of remedial action to ensure that the remedy is, or will be, protective of human health and the environment.

    rene Kropp, frWistant Corrjrcfidsioner Site Remediation and Waste Management Program New Jersey Department of Environmental

    Protection

    Date

  • SITE NAME, LOCATION, AND DESCRIPTION

    The Ventron/Velsicol site is located in the boroughs of Wood-Ridge and Carlstadt, Bergen County, New Jersey. The site is irregularly shaped and consists of 38.3 acres; approximately 15.7 of the 38 acres are within the Borough of Wood-Ridge and the remaining 22.6 acres are within the Borough of Carlstadt. The location of the site is depicted in Figure 1. The site is bordered to the east by Berry's Creek, to the west by the Diamond Shamrock/Henkel and Randolph Products properties and Park Place East, to the south by Diamond Shamrock/Henkel Ditch (south) and Nevertouch Creek, and to the north by Ethel Boulevard and a railroad track.

    The portion of the site that is identified as OU1 is divided into three areas. The area defined as the "developed" portion is approximately 7 acres in size and is the northernmost portion of the site. Two active warehouses, referred to as the Wolf Warehouse and the U.S. Life Warehouse, are located on this portion. The former mercury processing facility was located on the area of the site that is now occupied by these warehouses.

    Approximately 19 acres of land that were filled but not developed lie generally south of the developed portion of the site. This portion of the site is bordered to the north by the railroad track, to the south by Diamond Shamrock/Henkel Ditch (north), and to the east by Berry's Creek. This area is referred to as the "undeveloped" portion of the site.

    The area referred to as the "off-site" portion consists of the following properties: the Blum Property, the Prince Packing property, the EJB property, the Lin-Mor property, Ethel Boulevard, and the railroad property. The Borough of Wood-Ridge owns Ethel Boulevard and Norfolk Southern owns the railroad property.

    The remaining 12 acres of the site, south of the undeveloped area, are generally marsh, except for a fringe of fill along the western border. This portion of the site is not a part of OU1. This portion will be handled with Operable Unit 2, which is also referred to as the Berry's Creek Study Area, The Berry's Creek Study Area consists of the marsh, Berry's Creek, and other wetland areas adjacent to Berry's Creek. A remedial investigation of the Berry's Creek Study Area will begin in 2007.

    SITE HISTORY AND ENFORCEMENT ACTIVITIES

    Site History

    Prior to 1927, most of the site was marshland. From 1927 to 1974, various parties constructed and operated a mercury processing plant on the developed portion of the site, hi 1929 F.W. Berk and Company, Inc. (Berk) began operating a processing plant and manufacturing mercury products near the current location of the Wolf Warehouse. Berk continued to operate the plant until 1960, when the corporation dissolved and the plant and property were sold to the Wood Ridge Chemical Corporation (WRCC), a wholly owned subsidiary of the Velsicol Chemical Corporation (Velsicol). The main operations of the mercury processing plant included the manufacture of red oxide of mercury, yellow oxide of mercury, phenyl mercuric acetate, and other organic and inorganic mercury compounds. The plant also reclaimed mercury from both

  • in-house and customer waste products (amalgams, batteries, thermometers, impure mercury, etc.).

    Velsicol continued to operate the plant until 1968, when the Ventron Corporation (Ventron), a predecessor to Morton, purchased WRCC and the approximately 7- acre parcel on which the plant was located from Velsicol. Velsicol retained ownership of the rest of the site property until transferring ownership to NWI Land Management, Inc., i

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