remediation contract Articles
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Remediation contracting, Northern England
Project Remediation Strategies were requested to attend a redevelopment site in North-West England to supervise excavation works in an area of known hydrocarbon contamination and to assist the developer in the short term recovery of hydrocarbons. Workscope A Response Team was mobilised to site with a mobile oil-water separator, pumps, pipework and an oil skimming unit to undertake excavation ...
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Source area remediation of TCE in soil and groundwater Fort Wayne, Indiana
TRS Group, Inc. (TRS) was retained by Clayton Group Services to perform an Electrical Resistance Heating (ERH) remediation of trichloroethene (TCE) in soil and groundwater. The guaranteed remediation contract required both the baseline TCE mass in soil and groundwater to be reduced by 90% and 1,588,000 kilowatt-hours (kW-hrs) of energy to be applied to the subsurface. TRS was able to input the ...
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Dry cleaner remediation of PCE below operating shopping mall Richmond, Virginia
TRS Group, Inc. (TRS) was retained by ENSR/AECOM to perform an Electrical Resistance Heating (ERH) remediationof tetrachloroethene (PCE) in groundwater under a former dry cleaner at the Brookhill Shopping Center in Richmond,Virginia. Site assessment activities revealed PCE concentrations would require remediation before an impending property transfer could occur. The standard fixed price ...
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Remove contaminated soil - Duns
Remove Contaminated Soil & Treat Ground Waters Client: Lothian Borders & Angus Co-op Consultant: Wren & Bell Challenge: Remove contaminated soils and tanks from a former petrol station. Applied technology: Excavate, haulage and disposal Remediation criteria: To achieve target level set by the consultants. Validation: By Wren & Bell Soilutions Ltd were contracted to oversee ...
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Engaging buyers, sellers and insurance markets case study
Challenge: Antea Group was retained by a bankruptcy trustee responsible for divesting assets of a 169-facility convenience store chain to build an environmental risk transfer strategy designed to quantify and cap the liabilities. Solution: Antea Group evaluated the portfolio of sites to define the current status of previously reported environmental incidents, determine future activities ...
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HD#9 - BioLogix in High Temp High TPH Environment - Case Study
Summary In the Summer of 2019, Delta Remediation was contracted to treat drilling waste and centrifuge cake that had been delivered to a treatment pad in Southern Alberta Canada. The materials were high inorganics which has begun to degrade causing an exothermic reaction with temperatures measured in excess of 45degrees which can be a limiting factor for microbial growth and survival. The ...
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CL#8 - In Situ BioLogix Application - Case Study
Site Information Delta Remediation was contracted to remove trichloroethylene (TCE) from deeper ground water. The overlying contaminated soil was excavated, but perched ground water and a deeper aquifer had TCE concentrations greater than 10,000 μg/L. Prior to treatment, a small area of soil less than 500 square feet had TCE concentrations greater than 20,000 μg/L. The underlying impacted ...
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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 ...
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Project - In-situ stabilisation/ solidification and LNAPL recovery - West Midlands, UK
Client: Lioncourt Homes Value: £260K Site Area: 0.95 Hectares Timeframe: 10 Weeks Challenge Geostream UK was contracted to remediate the 0.95ha site of a former scrap yard ready for a housing development. Historical contamination left behind by the scrap yard included: Significant hydrocarbon impacted made ground, down to the underlying natural materials. Presence of LNAPL and ...
By Geostream UK
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Hook Heath Avenue, Woking
Provectus have undertaken and completed a fixed price all risk design and build contract for the demolition and remediation of the former Budget Garage site, Hook Heath Avenue, Woking on behalf of Antler ...
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Cleo Springs, Oklahoma - in-situ chemical oxidation case study
A gasoline spill occurred when a fuel tanker was forced off this curve in rural Oklahoma. Initial responders were unsuccessful in their effort to remove all of the contaminated soil. Cedar Creek Engineering was contracted to remediate the residual soil and groundwater contamination. Here a recovery well and reagent injection points are installed. The treatment process called for Fenton's reagent ...
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Aggressive dewatering aids concrete rehab at Abitibi
An enormous volume of water passes through the Abitibi Canyon Generating Station every hour of every day. In order to complete critical concrete repairs on the hydro power station, general contractor The Barclay Construction Group needed to find a way to pump and discharge almost 30 million gallons of water in a 500-metre section of the river upstream from the station in under 30 hours. Aquatech ...
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Case study - Dallas Water Utilities - Leak Detection
Service: Sahara Leak Detection Client: Dallas Water Utilities (DWU) Department of Public Works Type of Pipeline: Raw Water Transmission Main Diameter: 108-inch Pipe Material: PCCP Length: 7.3 miles The City of Dallas Water Utilities (DALW) currently draws its raw water from six sources: the Elm Fork of the Trinity River and Lakes Ray Roberts, Lewisville, Grapevine, Ray Hubbard and Tawakoni. Due ...
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Case study - Dual-reagent ISCO “Fast-Tracks” cleanup of Orlando Brownfield
Description: A Brownfield property impacted with chlorinated solvents was the planned location for the home of the Orlando Magic basketball team. Contaminants: Chlorinated solvent contamination was present in soil and groundwater with PCE concentrations greater than 14,000 ug/L and potential presence of DNAPL. Remedial challenge: The City of Orlando was looking to obtain a pay-per-performance ...
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‘Ghost’ fleet saga enters new waters
Peter Stephenson, Chairman of Hartlepoolbased Able UK, insists the company will still purchase the two part-built ships and recycle the four ships which have been berthed at TERRC for approaching four years. In October last year, Able UK’s proposal to develop a world-class ship recycling facility was rejected by local authority planners - but the firm remains committed to the scheme, according ...
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Case study: Hunters Point
In Situ Thermal Remediation with Gas Thermal Remediation (GTR©) is being used to remove NAPL contaminants from a former military base. The system is extracting nearly 1,000 liters of liquid waster every week. LNAPLs, such as fuel and oils, and DNAPLs, such as PCBs and chlorinated solvent, are being removed from the subsurface to make way for a residential homes. In Situ+NAPL Extraction ...
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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 knowledge of the underlying contamination. ...
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Optimizing Reverse Osmosis Membrane Life case study
Background An Independent District Heating and Cooling Facility used a municipal Lake Michigan water supply to operate a reverse osmosis system with three 200- gpm trains and was experiencing highpressure differentials and short runs between cleanings. The water had an SDI of 5–6 prior to the prefilters and an SDI of 3–4 after the prefilters. The system does not require continuous ...
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Dredging and Shoreline Remediation
Many situations can complicate a shoreline’s integrity. These can range from flooding, hurricanes and man-made disasters and can even include aquatic harvesting and human recreation. Making efforts to protect a shoreline from these intrusions helps protect economic and recreational interests. Shoreline remediation is an investment in the overall economic and natural habitat of a ...
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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 soil and shallow groundwater at ...
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