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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 ...
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]
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 ...
Groundwater treatment systems remove dissolved contaminants and sediment from the groundwater. The treatment system typically consists of a sedimentation tank and an air stripper or granular activated carbon. Groundwater is transferred from the extraction system into the treatment system where the sediment and the dissolved-phase contaminants ...
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.
The contaminated groundwater had a footprint larger than Boise, Idaho. Hanford set up pump-and-treat facilities to treat the water and then re-inject it back into the ground, Miller said.
EWSU Executive Director Vic Kelson announced the utility's "temporary pause" on plans to build a new water treatment plant last week, and told the Courier & Press they need three to six months to ...