Compatibility of Alternative Chlorinated Solvent Source Treatment Strategies With Monitored Natural Attenuation

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One of the most powerful and promising strategies for optimizing environmental restoration is the use of combinations of technologies rather than a single technology to reach the target cleanup goals. The U. S. Department of Energy (DOE) is actively working to clean up legacy contamination from its operations. Notably, DOE is responsible for the cleanup of many sites where the contamination includes chlorinated solvents (or chlorinated volatile organic contaminants (CVOCs)). At some sites, groundwater plumes containing CVOCs tend to become relatively large. Estimates for times to remediate sites often ranges up to 100s of years for these large plumes. As ... continued below

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LOONEY, BRIANB. April 2, 2004.

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Description

One of the most powerful and promising strategies for optimizing environmental restoration is the use of combinations of technologies rather than a single technology to reach the target cleanup goals. The U. S. Department of Energy (DOE) is actively working to clean up legacy contamination from its operations. Notably, DOE is responsible for the cleanup of many sites where the contamination includes chlorinated solvents (or chlorinated volatile organic contaminants (CVOCs)). At some sites, groundwater plumes containing CVOCs tend to become relatively large. Estimates for times to remediate sites often ranges up to 100s of years for these large plumes. As a result, the CVOC plumes are a concern to DOE, regulators and stakeholders. In response to this challenge, DOE initiated a project to ''provide the technical and policy support to facilitate implementing appropriate passive cleanup... leading to responsible completion of active remediation activities at high risk DOE waste sites.'' A combined approach benefits from the ability to match the invasiveness and aggressiveness of the remedial action to the amount of contamination and level of risk. This matching process is particularly important for recalcitrant contaminants such as chlorinated solvents. Highly contaminated areas justify more intense remediation action(s) while minimally contaminated areas are suited to natural or even passive methods. A logical extension of this concept is the need to transition technologies through time as sites become cleaner. The extended approach, sometimes described as a ''technology train,'' responds to changing conditions with the goal of optimizing cleanup.

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  • Other Information: PBD: 2 Apr 2004

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  • Report No.: WSRC-MS-2004-00236
  • Grant Number: AC09-96SR18500
  • DOI: 10.2172/822665 | External Link
  • Office of Scientific & Technical Information Report Number: 822665
  • Archival Resource Key: ark:/67531/metadc781398

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  • April 2, 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • May 5, 2016, 5:38 p.m.

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LOONEY, BRIANB. Compatibility of Alternative Chlorinated Solvent Source Treatment Strategies With Monitored Natural Attenuation, report, April 2, 2004; South Carolina. (digital.library.unt.edu/ark:/67531/metadc781398/: accessed August 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.