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Environmental Health - Toxic Substances

Bibliography

U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting Charleston South Carolina March 8-12, 1999--Volume 3 of 3--Subsurface Contamination From Point Sources, Water-Resources Investigations Report 99-4018C

Table of Contents

Methane As A Product Of Chloroethene Biodegradation Under Methanogenic Conditions

Paul M. Bradley and Francis H. Chapelle

ABSTRACT

Radiometric detection headspace analyses of microcosms containing bed sediments from two geographically distinct sites indicated that 10-39% of the radiolabeled carbon transformed during anaerobic biodegradation of [1,2-14C] trichloroethene (TCE) or [1,2-14C] vinyl chloride (VC) under methanogenic conditions was ultimately incorporated into 14CH4. The results demonstrate that, in addition to ethene, ethane and CO2, CH4 can be a significant product of chloroethene biodegradation in some methanogenic sediments.

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