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The methodology of the solvent-based dissolution method used to sample gas phase volatile organic compounds (VOC) for compound-specific isotope analysis (CSIA) was optimized to lower the method detection limits for TCE and benzene. The sampling methodology previously evaluated by [1] consists in pulling the air through a solvent to dissolve and accumulate the gaseous VOC. After the sampling process,...
One of the most often asked questions from regulators considering monitored natural attenuation (MNA) for a site is if there are mechanisms in situ that can completely detoxify the contaminant of concern. This article describes a method that uses data derived from compound‐specific isotope analysis (CSIA) to investigate if complete in situ degradation of trichloroethene (TCE) has occurred. MNA was...
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