Title: Microfracture Surface Characterizations: Implications for In Situ Remedial Methods in Fractured Rock 
Resource Type: document --> technical publication --> report 
Country: USA 
Year: 2006 
Availability: EPA/600/R-05/121 
Author 1/Producer: US EPA 
Author / Producer Type: Agency, regulator or other governmental or inter-governmental body 
Report / download web link (=direct link): http://www.epa.gov/ada/download/reports/600R05121/600R05121. ...  
Format (e.g. PDF): PDF 
Size: (e.g. 20mb) 7.91 
EUGRIS Keyword(s): Contaminated land-->Contaminants-->Chlorinated aliphatics
Contaminated land-->Remediation options-->In situ treatment technologies
Contaminated land-->Remediation options-->MNA
Contaminated land-->Soil and groundwater processes-->Contaminant hydrology
Contaminated land-->Soil and groundwater processes-->Geochemistry
Contaminated land-->Soil and groundwater processes-->Hydrogeology
Contaminated land-->Soil and groundwater processes-->Microbiology
Groundwater protection-->Groundwater processes-->Geochemistry
Groundwater protection-->Groundwater processes-->Hydrogeology
Groundwater protection-->Groundwater processes-->Microbiology
 
Short description: The overarching questions addressed by this portion of the project relate to possible relations between microfracture networks in the bedrock, the surface geochemistry of these microfractures, and the ecology and metabolic activity of attached microbes relative to terminal electron accepting processes and TCE biodegradation. Questions include the following: (1) How does the microfracture surface influence attachment and growth? (2) How does the geochemistry of the microfracture surface influence population ecology and metabolism? (3) What is the relationship between the relatively high specific surface area of the microfracture network and the adjacent relatively open and more voluminous open fracture system? More specifically, how does the microfracture surface influence the dominant terminal electron acceptor processes in the microfracture network? (4) Lastly, what is the precise nature of TCE biodegradative processes within the microfracture network? 
Link to Organisation(s): EPA Environmental Protection Agency
 
Submitted By: Professor Paul Bardos WhoDoesWhat?      Last update: 16/04/2007

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