soil gas Articles

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Questions and answers about oil and gas wastewater spills

by Associated Press  (Jan. 21, 2015)

Nearly 3 million gallons of briny water generated by crude oil production has leaked from a North Dakota pipeline and reached two creeks, making it the biggest spill of this type of wastewater since the state's Bakken formation oil boom began in 2006. Here are some questions and answers about oil and gas saltwater spills: Q: What does this ...

Monitoring greenhouse gases from biofuel crops

by Gasmet Technologies Oy  (Jan. 10, 2015)

Global issues such as climate change and energy security have driven rapid growth in renewable energy production - wind, solar, tidal, geothermal, hydro, biofuels etc. However, logically, each of these methods should deliver a net benefit in terms of greenhouse gas (GHG) reduction, so researchers in the United States have employed portable FTIR ...

Seven Things about Air Pollution Control, You Should Know

by Catalytic Products International (CPI)  (Jan. 8, 2015)

Air pollution control is necessary for healthful environs and well-being. The Agency for Toxic Substances and Disease Registry states, “Pollution usually refers to the presence of substances that are either present in the environment where it doesn't ...

Toxins Found in E-Waste

by Electronic Recyclers International, Inc (ERI)  (Jan. 5, 2015)

One of the worst effects of a skyrocketing, global e-waste crisis is the risk of toxic contamination for the environment and communities. In fact, delving into the many chemical and heavy metal materials that make up most electronic devices, it seems that toxins and electronics go hand in hand. Though many manufacturers of electronic devices are ...

Forensic engineering applied to the analysis of a gas explosion in a residential building

by Inderscience Publishers  (Dec. 16, 2014)

Present paper deals with the identification of the cause of an explosion in a hollow space positioned below a residential building as the result of welding operations. On field investigation clearly demonstrated that the explosion was due to the ignition of a flammable atmosphere in the basement of the building. Along the trial two hypotheses were ...

Deadly Hexavalent Chromium in Soil

by ABCOV Companies  (Aug. 1, 2014)

Merging technologies will change over Hexavalent Chromium in soil to Trivalent Chromium, effectively stopping Hexavalent Chromium from becoming dangerously airborne or becoming even more deadly by migrating into the water table. There are three valences of Chromium: 1) Chromium—safe to humans, 2) Trivalent Chromium—safe and an ...

Cuyama Case Study (Ex Situ Gas Thermal Remediation(GTR™))

by GEO Inc  (Oct. 29, 2014)

Ex Situ Thermal Desorption was used to successfully treat TPH-d and TPH-g from a former AST spill site in the agricultural zone in Central California. Affected soils were excavated and then placed “in a pile”, and Gas Thermal Remediation (GTR©) horizontal wells were placed into the pile during its three day construction. The piled ...

Mississauga Case Study (In Situ Gas Thermal Remediation (GTR™))

by GEO Inc  (Oct. 29, 2014)

In Situ Thermal Desorption in conjunction with soil vapor extraction was used to remove volatile organic compounds which contaminated the groundwater and saturated soil areas of a former metal fabricating facility in Ontario, Canada. The site had VOCs detected above the Canadian water standard in various monitoring well locations.  The ...

EPA Region 9 Case Study (In Situ Gas Thermal Remediation (GTR™))

by GEO Inc  (Oct. 29, 2014)

In Situ Thermal Remediation was used to successfully treat benzene, TPH-d, TPH-mo, BaP, and Naphthalene from a former gas plant in EPA Region 9. Gas Thermal Remediation (GTRTM), using Thermal Conductive Heating (TCH), raised the temperature of the soils in the treatment zone of the former MGP site to an average temperature of approximately 325 ...

China Case Study (In Situ Gas Thermal Remediation (GTR™))

by GEO Inc  (Oct. 29, 2014)

Gas Thermal Remediation (GTR™) was recently used to successfully remediate benzene and chlorobenzene impacts in China. This was the first time in situ thermal remediation was used in the history of Chinese remediation efforts. In partnership with JSDDBS, GEO used its Thermal Conductive Heating (TCH) to remove contaminants from soil and ...

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