superfund Articles

  • Marzone Superfund Site Remediation

    Marzone Superfund Site Project Description CH2M HILL conducted engineering, procurement, contracting, scientific and analytical support, community relations, and regulatory agency negotiations for Chevron. Through integrated and innovative efforts we remediated 20,000 tons of contaminated soils and impacted groundwater 3 years ahead of schedule. The latest in a long series of owners ...


    By CH2M Hill Companies, Ltd.

  • Texas Superfund Case Study

    The site is a former refinery that occupied approximately 64 acres of land in West Texas. Refinery operations produced all grades of gasoline, tractor fuels, diesel, distillate products, and fuel oils and operated between 1939 and 1954. As a result of past waste management practices, releases to soils and ultimately ground water occurred, resulting in the formation of a dissolved-phase benzene ...


    By GEO Inc

  • Superfund site - creosote removal

    Project Profile:US EPA Groundwater Remediation of Creosote Oil DATA: End User: US EPA, Army Corps of Engineers, Superfund site program Location: Bainbridge Island, WA Commissioned: Spring, 2005 Units: (1) FDB-7P Hydromation Deep Bed, Filter (HDBF) Flow Rate: 70 ...


    By Filtra Systems

  • Maywood, Ca - Pemaco superfund site

    Thermal Remediation Services, Inc. (TRS) subcontracted to TN & Associates to provide an Electrical Resistance Heating (ERH) remediation of trichloroethene (TCE) in soil and groundwater at the Pemaco Superfund Site located in Maywood, California. This is the first EPA Record of Decision (ROD) in California that includes ERH as the selected technology for the treatment of a deep TCE source ...


    By TRS Group, Inc.

  • Epa can recover more federal superfund money

    Purpose The purpose of this evaluation was to examine issues related to recovering Superfund expenditures from the potentially responsible parties (PRPs) at a sample of Superfund national priority list (NPL) sites. We addressed the  following questions: 1 What were the total Superfund expenditures at NPL sites where a viable business is the   primary responsible party, and have ...

  • Building and breaking a bridge of trust in a Superfund site remediation

    Trust is widely recognised as a key variable in perceptions and decision-making about environmental risks. However, most considerations of trust treat it as a simple two-agent relationship. Based on an analysis of a contaminated site cleanup in New Jersey, we identify a more complex construction of trust formed between multiple stakeholders. We refer to this construction as 'bridging'. In the ...


    By Inderscience Publishers

  • Superfund Investigates Land Pollution from the Past…and Present

    On September 7, 2016, we took steps to respond to states, tribes and citizens who asked for our help addressing contaminated sites. In response, we are adding 10 hazardous waste sites to the National Priorities List (NPL). The NPL is our list of more than 1,300 of the most contaminated sites in the country that we are addressing under the Superfund program. Superfund is one of the most important ...

  • Site Hazard, Settlement Activity and Superfund Liability Valuation

    HYPOTHESIS: Site (extent and cost of clean-up) and allocation uncertainty (number of parties associated with the site) surrounding contingent Superfund liabilities affect their market valuation. EPA data providing information on the extent of uncertainty surrounding contingent Superfund liabilities will be relevant to valuation. H-1: The number of Superfund sites with which a firm is identified ...


  • THAN Superfund Site (Pilot), Montgomery, Alabama, USA

    Montgomery, Alabama, USA Project Bioremediation of Pesticide Impacted Soil/Sediment Summary Soil and sediment (~4,500 tons) impacted with Toxaphene, DDT, DDD and DDE were excavated from impacted areas on the site, including a surface water drainage way. Impacted soils were placed in a prepared bed on site and a cycled, anaerobic/aerobic bioremediation ...


  • Extensive remediation of superfund site - case study

    The 80 acre site, formerly a minerals processing facility, was operated primarily to recover lithium and other rare-earth minerals from ores. Raw ores were imported to the site for processing. During one phase of its operations, the facility also processed uranium ores for the government. The site was listed as by the U.S. Environmental Protection Agency (EPA) as a Comprehensive Environmental ...

  • Superfund Remediation: The Key to Land Reuse Case Study

    The technology is ready and, with state and federal tax credits waiting, the economics look better than ever: New Jersey, one of the first states to be industrialized, finds itself plagued with the contaminated aftermath of pre-EPA industries: soil contamination. From superfund sites to the gas station whose underground storage tank has been oozing for the last 20 years, every ...


    By CR Clean Air Group, LLC

  • Case study - Pemaco superfund site remediation

    OVERVIEW Pemaco was formerly a chemical facility located in a light industrial and residential area of Maywood, CA, adjacent to the Los Angeles River. No one knows how long hazardous substances had been leaking into the ground but the operations date back to the 1940's.  Up until closure of the facility in 1991, chlorinated solvents, aromatic solvents, and flammable liquids had ...

  • Improved controls would reduce superfund backlogs

    Neither EPA nor the New Jersey Department of Environmental Protection (NJDEP) took actions needed to ensure progress at seven New Jersey-led Superfund site clean-ups. These sites were listed on the NPL over 20 years ago but still have not had a final clean-up remedy constructed (construction completion). Delays occurred primarily because EPA Region 2 and New Jersey did not use available ...

  • Continuous Arsenic monitoring at US EPA Superfund site

    A Cogent Environmental continuous heavy metals analyser, the OVA5000, has been configured to provide accurate Arsenic monitoring data at a US EPA Superfund site in New Jersey, USA, since 2005. The following information will outline the ways in which this technology has helped to protect the environment at the site, ensuring compliance with discharge consents and helping the remediation contractor ...

  • Superfund Compliance Review - Document/site review and investigation - Case Study

    Midwestern US The Summary We provided expertise in determining if previously closed waste management units and ongoing remediation efforts at an oil facility were and are being conducted in a manner consistent with applicable provisions of the federal Superfund program and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). ...


    By AlterEcho

  • A dynamite job? Cleaning up trinitrotoluene waste at the Apache powder superfund site.

    The clean up of trinitrotoluene (TNT) wastes and contaminated soils from an abandoned TNT salvage operation is underway at the Apache Powder Superfund Site in Cochise County. Clean-up operations involved an unexploded ordnance (UXO) survey, on-site pre-burn of high-grade materials, excavation, and off-site disposal. Approximately 5,400 lb of high-grade TNT wastes (averaging approximately 33 ...


    By Hargis + Associates Inc

  • Tacoma, Washington - Well 12A superfund site - Case Study

    Combined Remedies for DNAPL Remediation Project Summary TRS Group, Inc. (TRS) teamed with KEMRON and AMEC, under KEMRON's U.S. Army Corps of Engineers (USAGE) Environmental Remediation Services Multiple Award Task Order Contract (MATOC), to perform electrical resistance heating (ERH) for the remediation of volatile organic compounds (VOCs) in the vadose zone ...


    By TRS Group, Inc.

  • EPA Technology News & Trends - Tacoma “Well 12A” Superfund Site

    The U.S. EPA Region 10 office uses an adaptive site management approach that relies on high-resolution site characterization (HRSC) techniques for strategic sampling at the Well 12A project area. This approximate one-square-mile project area is one of three at the 2.5-square-mile Commencement Bay-South Tacoma Channel Superfund site in Tacoma, Washington. The vicinity of Well 12A, one of 13 wells ...


    By TRS Group, Inc.

  • ERH & MPE remediation of DNAPL and LNAPL fort lewis superfund site, Washington

    As the prime contractor, TRS Group, Inc. (TRS) designed and operated Electrical Resistance Heating (ERH) systemsto treat three LNAPL/DNAPL source areas at the Ft. Lewis, East Gate Disposal Yard (EGDY) NPL site. Contaminants ofconcern in NAPL Areas 1, 2 and 3 included chlorinated solvents, primarily trichloroethene (TCE), and POLs (petroleum products, oil and lubricants). Based upon pre- and ...


    By TRS Group, Inc.

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