TECHNICAL ARTICLES

Application of Environmental Isotopes in Studies of Biodegradation of Organic Contaminants in Groundwater


14  February  2006

Ramon Aravena*, Daniel Hunkeler**
*Department of Earth Sciences, University of Waterloo, Waterloo, Canada


Biodegradation can lead to transformation of organic contaminants in groundwater to non toxic products under natural conditions (natural attenuation) or as part of a engineered remediation strategy. However, it is often difficult to assess biodegradation at field sites because contaminant concentration vary also due to dilution and sorption or as function of varying water levels and groundwater flow directions. Analysis of stable isotope ratios is a possible way to trace biodegradation.

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Canadian Network for Isotopes in Precipitation

The CGU - HS Committee on Isotopic Tracers

 
 
 
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