Toxic Substances Hydrology Program
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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
![]() Methane As A Product Of Chloroethene Biodegradation Under Methanogenic ConditionsPaul M. Bradley and Francis H. Chapelle ABSTRACTRadiometric 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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