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Bioventing is an on site remediation technology that uses microorganisms to biodegrade organic constituents in the groundwater system. Bioventing enhances the activity of indigenous bacteria and archaea and stimulates the natural in situ biodegradation of hydrocarbons by inducing air or oxygen flow into the unsaturated zone and, if necessary ...
In the 1980s the company's groundwater practice evolved to encompass the broader field of hydrogeology, with particular expertise in contaminated soil and groundwater. In the early 1990s, as public awareness of environmental issues increased, Golder added biological capabilities – including aquatic and terrestrial biology – to its range of ...
The U.S. Department of Defense plans to install two more groundwater treatment systems at a former Michigan military base to control contamination from so-called forever chemicals, U.S. Rep ...
In 1994, analysts estimated that in the U.S. total cleanup costs of groundwater totaled between $500 billion and $1 trillion. [18] Until about 2000, the majority of groundwater remediation was done using "conventional technologies" (e.g., pump-and-treat systems), which have proven costly to meet applicable cleanup standards. [19]
Groundwater pollution (also called groundwater contamination) occurs when pollutants are released to the ground and make their way into groundwater.This type of water pollution can also occur naturally due to the presence of a minor and unwanted constituent, contaminant, or impurity in the groundwater, in which case it is more likely referred to as contamination rather than pollution.
In January 2007, the groundwater around the Naval Air Station North Island in San Diego County, California was treated. This test treated a total of 60,000 gallons of groundwater and used about 22,646 pounds of sodium persulfate to do it. No catalysts were added to the persulfate, but there was a significant amount of contaminant reduction.
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