Title: A Framework for Assessing the Sustainability of Monitored Natural Attenuation 
Resource Type: document --> technical publication --> report 
Country: USA 
Year: 2007 
Availability: U.S. Geological Survey Circular 1303 
Author 1/Producer: U.S. Geological Survey 
Other Authors/Producers: Strategic Environmental Research and Development Program (SERDP) and Virginia Tech University 
Author / Producer Type: University research group / research institute 
Report / download web link (=direct link): http://pubs.usgs.gov/circ/circ1303/  
Format (e.g. PDF): PDF 
Size: (e.g. 20mb) 9.3 
EUGRIS Keyword(s): Contaminated land-->Remediation options-->MNA
 
Short description: Note: this report discusses sustainability in terms of the persistence of the MNA effect, not in terms of sustainable development

The framework consists of methods for assessing the balance between the delivery of contaminants to the environment and their natural attenuation.
 
Long description: This study illustrates that the short- and long-term sustainability of MNA can be assessed by: Estimating the time required for contaminants to dissolve/disperse/degrade under ambient hydrologic conditions (time of remediation). Quantifying the organic carbon flux to the system needed to consume competing electron acceptors (oxygen) and direct electron flow toward chloroethene degradation (short-term sustainability). Comparing the required flux of organic carbon to the pool of renewable and non-renewable organic carbon given the estimated time of remediation (long-term sustainability). These are general principles that can be used to assess the sustainability of MNA in any hydrologic system. 
Submitted By: Professor Paul Bardos WhoDoesWhat?      Last update: 05/08/2007

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