contaminated site project Articles
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Project - PFAS Recovery using D-FAS Technology
Cleanup, Remediation and Closure Poly-and perfluoroalkyl substances (PFAS) are contained in fire-fighting agents (e.g., aqueous film foaming foams (AFFF)), manufacturing of plastics, consumer goods used for grease repellents and waterproofing, among others. PFAS are widely used and long-lasting chemicals, which allows for the chemicals to bioaccumulate and persist in the environment. Due to the ...
By BLDI
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Health Hazards at Construction Sites
When we think of construction sites, especially those involving infrastructures like bridges, tunnels, and highways, we usually picture heavy equipment like bulldozers, excavators, steamrollers and heavy-duty dump trucks. These visible signs of construction activity tend to make us think more about safety problems than of health hazards. But the reality is that there can be just as many, if not ...
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TerraStryke ERDenhanced Residual DNAPL Source Zone Remediation Using Simple Additive Delivery Approach; Ohio Manufacturing Facility - Case Study
TerraStryke Remediation Products LLC (TerraStryke) develop and distribute biostimulation additives proven to cost-effectively enhance any bioremediation project, expediting contaminant destruction & site compliance with minimal impact. ERDenhanced enhances site biogeochemical conditions to attain sustainable and complete biotransformation of cVOC contaminants. The following case study ...
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Remediation of Chlorinated Solvents - Case Study
Project Location: SW Florida Client: DoE Contamination: TCE, PCE, Vinyl Chloride, Toluene Site Size: 4+ Acres Project Description: Over the previous 13 years, the incumbent remediation contractor had attempted to removed a large chlorinated solvent plume extending 20+ feet below grade, covering a footprint of approx. 4+ acres, with an elaborate vertical well pump-and-treat system. The ...
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Train derailment prompts contaminated land investigation - Case study
On March 30th 2015 a long freight train, transporting a variety of goods including lumber and chemicals, wound its way through the state of Mississippi. At around 5pm, part of the train failed to negotiate a curved portion of the track in a rural area near Minter City, resulting in the derailment of nine railcars, one of which leaked chemicals onto agricultural farmland and woodlands. Emergency ...
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Train derailment prompts contaminated land investigation
On March 30th 2015 a long freight train, transporting a variety of goods including lumber and chemicals, wound its way through the state of Mississippi. At around 5pm, part of the train failed to negotiate a curved portion of the track in a rural area near Minter City, resulting in the derailment of nine railcars, one of which leaked chemicals onto agricultural farmland and woodlands. Emergency ...
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Feasibility study of in-situ bioremediation for nitrobenzene-contaminated groundwater
Although many studies have simulated in-situ bioremediation of contaminated groundwater, most of them have not considered hydrochemical conditions and indigenous microorganisms, thus potentially rendering results inapplicable to actual in-situ groundwater bioremediation projects. This study focused on a nitrobenzene-contaminated groundwater site located in Jilin City, China. The actual ...
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Pilot Project at Tidewater Terminals
The pilot project was undertaken to determine the effectiveness of AgroRemed for cleanup of contaminated soil within a short turn around time as claimed by SARVA. The results were monitored on 10th day and 20th day before closing the pilot. It is seen from the results that there was a reduction of more than 30% in the values of TPH on 10th day and at the end of 20 days there was a reduction in ...
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S2C2 Inc. utilizes EQuIS, RockWorks and ArcGIS implementing the Triad approach
When implementing the Triad Approach, S2C2 Inc. (S2C2) relies upon EarthSoft’s EQuIS,ESRI’s ArcGIS and Rockware’s RockWorks software toptimize the management andvisualization of large data sets. The USEPA’s Triad Approach incorporates the following threecomponents: systematic planning, real-time measurements and dynamic work strategies. Theprimary goal of this approach is tstreamline site ...
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Detailed hydraulic assessment using a high-resolution piezocone coupled to the GeoVIS
Department of Defense (DoD) ground water assessment and remediation projects require cost effective methods for determining the direction and rate of ground water and contaminant flow. Monitoring wells have typically been used to estimate these parameters. However, detailed three-dimensional ground water and contaminant flow pathways cannot typically be delineated using monitoring well data. ...
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Novel perchlorate treatment at Edwards sparks national interest
Untitled Document People from across the nation came to Edwards on May 14 to see a new perchlorate treatment system being tested here. Associated with the use of rocket fuels at Edwards, perchlorate can cause thyroid problems and is a contaminant of concern nationwide. Approximately 80 people representing the Department of Defense, federal, state and regional regulatory ...
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Evaluating Cleanup at Hamilton Army Airfield Using EQuIS and ArcGIS
The Sacramento District, US Army Corps of Engineers, is implementing EarthSoft's EQuIS and ArcGIS for better management, analysis, and response to landfill remedial activities being conducted at the former Hamilton Army Airfield. This former Air Force Base located four miles south of the city of Novato, on San Pablo Bay, in Marin County, California, is undergoing environmental clean-up as it is ...
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