groundwater contractor Articles

  • Soil and groundwater assessment, south-east England

    Project Remediation Strategies were appointed to undertake a soil and groundwater assessment to assist a client in understanding the potential environmental liabilities associated with the shallow soils beneath part of the site.  The client was undertaking a phased renewal of the site tank farm areas, which required the excavation and replacement of shallow soils to allow for new ...


    By Remediation Strategies Ltd.

  • Road Over Sensitive Groundwater Areas - Case Study

    When constructing or extending new roads, the responsible designers and contractors are increasingly faced with the task of preventing soil contamination. Therefore, measures for the protection of the groundwater are necessary in more and more cases. The corresponding requirements and specifications for such measurements are regulated in the "guide-line for constructional measurements of roads in ...


    By NAUE GmbH & Co.KG

  • Soil and groundwater assessment, North-West England

    Project Remediation Strategies were retained to undertake contamination delineation and assessment work at a logistics depot following an accidental release of a large volume of diesel.  An overnight failure in a joint on a pressurised fuel pipeline had resulted in a loss of 15,000 litres of red diesel. Initial response works identified a small proportion of the diesel had ...


    By Remediation Strategies Ltd.

  • Review of approaches to reducing adverse impacts of road deicing on groundwater in Finland

    An increase in groundwater chloride concentrations was first reported 20 years ago in Finland. This discovery coincided with a sharp rise in the rate of road-salt application – the annual amount of NaCl consumed had increased from 50 t a−1 in the late 1970s to 140 t a−1 10 years later. To reverse these trends, research and development projects aimed at the reduced application of sodium chloride ...


    By IWA Publishing

  • TIGG Groundwater Treatment Equipment System Solves Remediation Problems

    When an experienced environmental remediation company secured a contract to clean up a former manufactured gas plant in a New York community, the contractor realized the groundwater environmental remediation process would require a host of different technologies to address contaminated soil as well as ground and surface water.  TIGG was called upon to provide a solution for treating the ...


    By TIGG, LLC

  • Horizontal Air Sparge Wells Solve Access Limitations beneath Air Field Tarmac

    Air Force Base tarmac is a double-edged sword with respect to environmental remediation. Concrete thicker than at commercial airports virtually eliminates infiltration and limits migration of jet fuel constituents in groundwater, but source material in the vadose zone remains indefinitely, extending the life of the groundwater plume. Horizontal air sparge wells are an effective means of ...

  • Safe and Simple Excavation Application Provides Long-Term Treatment, UK

    In Situ Treatment of Residual TPH Contamination Following Tank Removal Remediation Details Site Type: Petrol Filling Station Project Driver: Site Redevelopment Remediation Approach: Enhanced Aerobic Biodegradation, Excavation application Technologies: ORC-Advanced* Pellets Summary ...


    By REGENESIS

  • USPS UST spill site remediation US postal service, White Plains vehicle maintenance facility White Plains, NY

    GEA served as an engineering design and environmental compliance consultant as well as Site Manager providing CM services for site remediation and cleanup. Two underground diesel and gasoline storage tanks were removed from the VMF site when a gasoline spill was discovered during the excavation. Services provided by GEA included:· Construction Management Services·  UST ...


    By GEA ENGINEERING

  • Enhanced Anaerobic Bioremediation of a TCE Source Area at the Tarheel Army Missile Plant using EOS®

    Emulsified oil substrate (EOS®) is being used to remediate a trichloroethene (TCE) source area at the Tarheel Army Missile Plant (TAMP) in Burlington, North Carolina. 1. INTRODUCTIONEmulsified oil substrate (EOS®) is being used to remediate a trichloroethene (TCE) source area at the Tarheel Army Missile Plant (TAMP) in Burlington, North Carolina. TAMP is a government-owned, formerly ...


    By EOS Remediation, LLC

  • GPR survey to locate USTs and piping at a retail facility

    PROJECT: GPR survey with confirmatory drilling + soil and water sampling / analysis LOCATION: Spokane, Washington PROJECT DESCRIPTION: Designed and performed a tight-line / saturation Ground Penetrating Radar (GPR) survey of an active retail property, to determine the presence, if any, of buried 1950s-vintage underground storage tanks (USTs). Performed ...


    By ECA Geophysics

  • INNOVATIVE NEED-BASED DEWATERING SOLUTIONS

    One of the keys to Griffin Dewatering’s long-term success is the high level of team work between Griffin Dewatering’s engineers and its field personnel. Griffin Dewatering is, and has always been, very strongly fieldoriented and sensitive to the special needs of general contractors. This includes the need for timely response to bid schedules and subsequent performance of the work. ...


    By Griffin Dewatering

  • HCJ site remediation Carlstadt, New Jersey

    GEA provided comprehensive site investigation, remediation design and remedial compliance services for the Sterling-Regal Hazardous Waste Site in Carlstadt, New Jersey. GEA prepared a remedial action workplan (RAW) for a large corporate printing company site in the New Jersey Meadowlands in accordance with NJDEPE requirements. The work also included:· soil ad groundwater ...


    By GEA ENGINEERING

  • Impact of karst water on coal mining in North China

    Abstract  Coalfields in North China encompass more than ten Provinces. They contain six to seven coal seams in the Permo-Carboniferous strata. The lower three seams account for 37% of the total reserves and are threatened with intrusion of karst water from the underlying Ordovician limestone. Hundreds of water inrush incidences have occurred, in which a large amount of water suddenly flows ...


  • Owosso MI - Guaranteed PCE remediation under active restaurant - Case Study

    First Michigan state-funded cleanup using electrical resistivity heating technology and a guaranteed project. Background The site is a former dry cleaner that had operated for more than 20 years. The dry cleaning operations left residual perchloroethylene (PCE) contamination in the soil and groundwater and a building was constructed on the site without ...


    By TRS Group, Inc.

  • Case Study: Royal Albert Basin, Beckton

    The site comprises of five separate areas totalling circa 100 acres of land contaminated by previous uses as inter alia, a dump for gas works wastes, oil storage and distribution, paint production, coal storage, petroleum wharfage etc. The site as a whole is to be redeveloped for mixed residential, commercial and industrial uses with public open space and landscaping to suit. The contract has ...

  • 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.

  • EQuIS milestone

    EQuIS now contains over 15 million chemical/physical discrete monitoring results after the recent completion of the EDMS (Closed Landfills) database migration. Growth for other MPCA Remediation and Solid Waste programs will depend on the rate that labs and contractors adopt the new standard lab and field EDD submittal formats and on associated location establishment. Groundwater and surface water ...


    By EarthSoft, Inc

  • Accelerated remediation of chlorinated solvents using a horizontal ZVI PRB in combination with ISCR for enhanced Anaerobic remediation

    Description: Industrial Site in Apeldoorn, Netherlands Consultant and Contractor: NTP Enschede Approach: Severe soil and shallow groundwater contamination by metals and chlorinated solvents (cVOCs) was detected at the site. A comprehensive site remediation plan was developed by NTP and Adventus Group to provide accelerated site clean-up, that included: • Installation of two ...


  • National Grid, Croydon case study

    Morgan Est Contractors for National Grid Supply and installation of telemetred groundwater monitoring network, May 2006 - ongoing Hydro-Logic recently completed the supply and installation of borehole instrumentation and a telemetry monitoring system to monitor groundwater conditions in 28 observation wells located at 19 sites in the vicinity of Croydon. The project was required to ...


    By Hydro-Logic Services

  • Engineered approaches to in situ bioremediation of chlorinated solvents: Fundamentals and field applications

    Halogenated volatile organic compounds, including chlorinated solvents, are the most frequently- occurring type of soil and groundwater contaminant at Superfund and other hazardous waste sites in the United States. The U.S. Environmental Protection Agency (EPA) estimates that, over the next several decades, site owners will spend billions of dollars to clean up these sites. New technologies that ...


    By RNAS Remediation Products

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