Showing results for: groundwater chlorinated solvent Articles
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Raynesway resource park - Case Study
The Raynesway Resource Park is a 35 hectare site bounded on three sides by the River Derwent. The southern half of a former chemicals plant, soils and groundwaters were impacted by chlorinated solvents, acid tars, hydrocarbons and ammoniacal sludges. Celtic designed a sophisticated groundwater treatment system, integrating air sparging, multi-phase extraction and chemical oxidation to address ...
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Chlorinated Solvent Remediation - Former Printing Facility, Major City, State of New Jersey - Case Study
Accelerated Remediation Technologies, Inc. (ART) treatment technologies were selected to remedy soil and groundwater impacted with chlorinated solvents at a former major printing facility in New Jersey. Site Description: The Subsurface at the site consists of sandy soils with intermittent clay lenses. Depth to groundwater is approximately 40 feet below grade surface. The hydraulic conductivity ...
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Chlorinated Solvent Plume Remediation, Midwest United States - Case Study
ERM was contracted by a confidential client to implement a remedial action program to address groundwater impacted by chlorinated solvents. The site is a former manufacturing facility, which used an underground storage tank for waste oil generated by manufacturing operations and cleaning activities. During excavation of the tank, it was determined the feeder line was leaking waste oil containing ...
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Practitioner Spotlight--Dan Keltner
Name Dan Keltner Office Naperville, IL (Chicago) Practice Area Transaction Support Areas of expertise Due Diligence and Regulatory Reporting About Me in 140 Characters Five years into my career I left my home state of Iowa with my girlfriend (now wife) while she pursued higher education. That move ultimately shaped my career and led to career opportunities in Connecticut, California, and ...
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In Situ Thermal Remediation of DNAPL and LNAPL Using Resistance Heating
Electrical resistance heating (ERH) is an in situ thermal treatment for soil and groundwater remediation that can reduce the time to clean up volatile organic compounds (VOCs) from years to months. The technology is now mature enough to provide site owners with both performance and financial certainty in their site-closure process. The ability of the technology to remediate soil and groundwater ...
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Groundwater contaminated with chlorinated solvents - Air force center for environmental excellence
LOCATION: Dover, DelawarePROJECT DATE: October 1999 to presentCLIENT: Air Force Center for Environmental Excellence (AFCEE) BACKGROUND: Groundwater contaminated with chlorinated solvents is a common problem to many US Air Force Bases. TSI in conjunction with Solutions Industrial & Environmental Services (Solutions-IES) of Raleigh, NC approached AFCEE with an innovative method utilizing ...
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Protocol for Enhanced In Situ Bioremediation Using Emulsified Edible Oil
An in-depth discussion of the EOS® patented technology and its usefulness for site remediation is presented. Details of how the technology works, design considerations as well as strengths and limitations of the technology are presented. 1.1 INTRODUCTION Management of groundwater contaminated with chlorinated solvents, perchlorate, and explosives is one of the Department of Defense’s ...
By Redox Tech
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CL#9 - In Situ BioLogix Application - Case Study
Site Information Soil and ground water contamination by chlorinated solvents was discovered at a former industrial chemical mixing facility that was to be redeveloped as a shopping center. The contamination had leached from the soil underlying a drum storage area into ground water and spread across the property. While the area of contamination was relatively small (5,000 square feet) and ...
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Conducted demonstration projects for bioremediation technologies treating chlorinated organic constituents in the groundwater and soil at Dover Air Force Base
LOCATION: Dover, DelawarePROJECT DATE: July, 1996 to July, 1999CLIENT: The Remediation Technology Development Forum and Dover AFB BACKGROUND: The Remediation Technology Development Forum (RTDF) for Bioremediation of Chlorinated Solvents Work Group has conducted demonstration projects for bioremediation technologies treating chlorinated organic constituents in the groundwater and soil at Dover ...
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Co‐occurrence of 1,4‐dioxane with trichloroethylene in chlorinated solvent groundwater plumes at US Air Force installations: Fact or fiction
Increasing regulatory attention to 1,4‐dioxane has prompted the United States Air Force (USAF) to evaluate potential environmental liabilities, primarily associated with legacy contamination, at an enterprise scale. Although accurately quantifying environmental liability is operationally difficult given limited historic environmental monitoring data, 1,4‐dioxane is a known constituent (i.e., ...
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CL#1 - In Situ BioLogix Application - Case Study
Site Information A confidential dry cleaners site was contaminated by residual PCE and other chlorinated solvent concentrations in groundwater following dual phase vacuum extraction. The soil and sediments beneath the site have a moderate hydraulic conductivity estimated at 10-4 cm/sec. The area of ground water impact and treatment was approximately 20,000 square ...
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Using Cl-Out to Finish Remediation Following Chemical Oxidation
CL-Out was used to complete the remediation of ground water contaminated by chlorinated solvents from a former dry cleaning site in Rockville, Maryland. The ground water contamination had migrated from leaking sewer lines to underlying bedrock fractures. Fenton’s Reagent was first applied to the site, but the PCE concentrations increased due to desorption. Subsequently, sodium ...
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Dry Cleaners Site, Houston, Texas - Case Study
Site Summary: BioLogix CL bioremediation was implemented at a dry cleaners site in Houston, Texas to reduce residual PCE and other chlorinated solvent concentrations in groundwater following dual phase vacuum extraction. After application of BioLogix CL® bioremediation the chlorinated solvent concentrations were reduced by 98% to 99% in less than 90 days. In Control Technologies, of Houston, ...
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Cost implications of hydrogen donor selection for in-situ bioremediation of chlorinated solvents
The use of enhanced anaerobic bioremediation for treatment of chlorinated solvents in groundwater has increased at a rapid rate within the past three years. Since there are a number of different hydrogen donors that can potentially be used, it is important that practitioners understand the cost implications of the hydrogen donor(s) selected for the project. A comparative economic analysis is ...
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In Situ Bioremediation of Chlorinated Solvents: A Case Study
In situ bioremediation is ongoing at a former manufacturing facility in Portland, Oregon. Shallow groundwater at the site was impacted by chlorinated solvents, primarily trichloroethene and degradation products cis-1,2-dichloroethene and vinyl chloride. In situ chemical oxidation treatment was completed in 2003 via the injection of sodium permanganate in source areas. Subsequent stimulation of in ...
By Redox Tech
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In Situ Bioremediation of Chlorinated Solvents
ABSTRACT: In situ bioremediation is ongoing at a former manufacturing facility in Portland, Oregon. Shallow groundwater at the site was impacted by chlorinated solvents, primarily trichloroethene and degradation products cis-1,2-dichloroethene and vinyl chloride. In situ chemical oxidation treatment was completed in 2003 via the injection of sodium permanganate in source areas. Subsequent ...
By Redox Tech
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Soil and groundwater remediation
At a site in northern Indiana on behalf of a multinational client, Troy Risk operated a groundwater remediation system to cleanup the source of chlorinated solvent impact to a groundwater aquifer system. Prior to 1988, the site was occupied by a manufacturing facility. In March 1995, chlorinated volatile compounds (CVOCs) were detected pursuant to due diligence for real estate refinancing. From ...
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Hydrogeochemical and biological processes affecting the long-term performance of an iron-based permeable reactive barrier
Received for publication November 29, 2007. Despite the wide diffusion of zero-valent iron (Fe0) permeable reactive barriers (PRBs), there is still a great uncertainty about their longevity and long-term performance. The aim of this study is to investigate the biological and the hydrogeochemical processes that take place at a Fe0 installation located in Avigliana, Italy, and to derive some ...
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Bioremediation Following Dual Phase Extraction Saves Hundreds of Thousands of Dollars
CL-Out® bioremediation was implemented at a dry cleaners site in Houston, Texas to reduce concentrations of residual PCE and other chlorinated solvents in groundwater following dual phase vacuum extraction. After application of CL-Out® bioremediation the chlorinated solvent concentrations were reduced by 98% to 99% in less than 90 days. The switch saved their client hundreds of ...
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A 2006 GLOBE award winner
The GLOBE Corporate Award for Technology Innovation and Application is presented is to a company that has demonstrated outstanding technical ingenuity in the development and/or application of an innovative technology or process with a significant environmental application. This year’s winner, Ivey International Inc., has developed a surfactant remediation technology (Ivey-sol®) solution that ...
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