Subsurface Contamination Articles & Analysis
38 news found
Vapor intrusion occurs when there is a migration of vapor-forming chemicals from a subsurface source into an overlying building. This subsurface source is often contaminated groundwater or soil. ...
The New York State Department of Environmental Conservation describes vapor intrusion as the process by which volatile chemicals move from a subsurface source into the indoor air of an overlying or adjacent building. They share the fact that the subsurface source can either be contaminated groundwater or contaminated soil which ...
Material excavated during utilities works consists of road surface material that contains aggregate and a binder and soil from the subsurface. Before 1980, the majority of the binder was derived from coal tar, an absolute hazardous material under WM3 rules. ...
ByQROS Ltd
Approximately 10,189 gallons of the leaked product was recovered, leaving 5,458 gallons to contaminate the farmland surface and subsurface soil, surface waters, groundwater and ambient air. The site contamination problem was exacerbated due to heavy rainfall and associated stormwater runoff which caused the unrecovered product to migrate from the ...
The patents relate to methods for remediating subsurface contaminants through the use of in-situ surfactant and chemical oxidant flushing for complete remediation of contaminants and methods of using same, for which Letters Patent of the United States were issued for U.S. ...
When monitoring groundwater continuously you can: Monitor the long term sustainability of an aquifer as a safe and stable water supply and adjust appropriate policies accordingly. Identify subsurface contaminants, estimate the speed and direction of the contamination flow and narrow down the contamination sources. ...
Heating Ventilation and Air Conditioning (HVAC) Load Reduction Technology for Commercial Buildings: This technology uses a module integrated into existing HVAC systems to scrub the air of dangerous indoor air contaminants. This technology helps to reduce energy use and lower costs by recirculating the already-cooled inside air. ...
TerraTherm, a worldwide leader in the development and implementation of In Situ Thermal Remediation (ISTR) of organic contaminants in subsurface source zones, has recently become the first thermal remediation company in the industry to gain certification of a soil heating system. ...
Environmental Protection Agency (EPA) proposed a plan to address contamination beneath the former plant at the CTS of Asheville Inc. Superfund Site. ...
The Technical Guide for Assessing and Mitigating the Vapor Intrusion Pathway from Subsurface Vapor Sources to Indoor Air applies to all sites being evaluated under federal land cleanup statutes by EPA, other federal agencies, state and tribal governments and brownfield grantees. ...
Status of fuel migration off-site: Fuel has been detected off site of the facility through subsurface contamination about 150 feet from the water. Spill containment booms have been deployed in the waters near the facility as a precaution. ...
Status of fuel migration off-site: Fuel has been detected off site of the facility through subsurface contamination about 150 feet from the water. Spill containment booms have been deployed in the waters near the facility as a precaution. ...
However, fuel has been found to have migrated offsite from the facility through subsurface contamination and is within 150 feet of the harbor. “Our action today is to make sure the fuel is cleaned up quickly to protect public health and Oahu’s ocean environment,” said Jared Blumenfeld, EPA’s Regional Administrator for the Pacific ...
EPA’s proposed cleanup plan for the site consists of treating the contaminated groundwater and contaminated subsurface soil at the site using Phytoremediation. ...
Environmental Protection Agency reached a settlement with CTS Printex, Inc. and ADN Corporation to complete the remaining groundwater contamination cleanup at the CTS Printex, Inc. Superfund site in Mountain View, Calif. The companies will spend a total of about $2 million on a system to monitor and treat low levels of contaminated groundwater remaining at the ...
EPA signed the original ROD for the site in January 1991 to address soil and ground water contamination. The selected remedy for the 1991 ROD was excavation and incineration of contaminated soils as well as ground water extraction, monitoring, and treatment of soils on-site. ...
The treatment was initially designed as a four day pilot test of the CleanInject® process, but was so effective that it remediated almost all of the contamination at the site, with the latest samples indicating a contaminant concentration reduction of 99.94%. ...
Redeveloping brownfields can address health, ecological and economic threats from contaminated land and leads to a more sustainable use of valuable land resources. However, remediating the complex below-surface contamination often present at brownfields is expensive: The combined cost of restoring all large European brownfield sites likely exceeds 100 billion. ...
The Picayune Wood Treating Site has been undergoing a cleanup of the contaminated surface and subsurface soil since late November 2011. The surface work is scheduled for completion by summer 2013. The soil remedy involves construction of two slurry walls and excavation of approximately 160,000 cubic yards of soil contaminated with creosote and ...
According to the New York State Department of Environmental Conservation, “The phrase "soil vapor intrusion" refers to the process by which volatile chemicals move from contaminated soil and groundwater into the indoor air of buildings. This contamination of indoor air by SVI is an emerging area of public health concern. SVI occurs when volatile ...