PGDP Trichloroethene Biodegradation Investigation Summary Report: Regional Gravel Aquifer & Northwest Plume
- Univ. of Kentucky, Lexington, KY (United States). Kentucky Research Consortium for Energy and Environment
The evaluation of biological degradation processes addressed by this report are part of a broad trichloroethene (TCE) Fate and Transport Investigation that includes four (4) topics of phased investigation (Table ES1) relative to degradation and/or attenuation of TCE in the Regional Gravel Aquifer (RGA) underlying the United States Department of Energy Paducah Gaseous Diffusion Plant (PGDP). In order of implementation the project phases are: (1) derivation of a TCE first-order rate constant by normalization of TCE values against technetium-99 (99Tc) and chloride. 2) identification of the presence of microbes capable of aerobic co-metabolic TCE biodegradation using enzyme activity probes (this report); 3) Compound-specific isotope analysis (CSIA) to support prevalence of biotic and/or abiotic degradation processes; and 4) evaluation of potential abiotic RGA-TCE attenuation mechanisms including sorption. This report summarizes the Phase II activities related to the identification and evaluation of biological degradation processes that may be actively influencing TCE fate and transport in the RGA contaminant plumes at the United States Department of Energy (DOE) PGDP and its environs (Figure ES1). The goals of these activities were to identify active biological degradation mechanisms in the RGA through multiple lines of evidence and to provide DOE with recommendations for future TCE biological degradation investigations.
- Research Organization:
- Univ. of Kentucky, Lexington, KY (United States). Kentucky Research Consortium for Energy and Environment
- Sponsoring Organization:
- USDOE Office of Environmental Management (EM)
- DOE Contract Number:
- FG05-03OR23032
- OSTI ID:
- 1243084
- Report Number(s):
- UK/KRCEE-Doc#-P22.11-2008; UK/KRCEE Doc #: 22.7a 2008
- Country of Publication:
- United States
- Language:
- English
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