water well casing Articles
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Case study - Ozone sparging closure of an industrial VOC spill site adjacent to a water supply well site
Description An undocumented surface spill at an active manufacturing facility located adjacent to a public water supply well field released chlorinated volatile organic compounds (PCE, and its breakdown products: TCE, c-DCE, and VC) into soils and groundwater. The driver for site cleanup was three water supply wells located 200 feet downgradient of the site bounds. The chosen endpoint ...
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Liberating contaminants for easy recovery
The number one challenge associated with most site remediation designs and methodologies is that 90-95 per cent of all environmental contaminants are present in an adsorbed phase onto soil and bedrock surfaces within both saturated and unsaturated zones. Contaminants, including hydrocarbons (LNAPL), chlorinates (DNAPL) and heavy metals, are sorbed onto the substrates and so have reduced mobility ...
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