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National Institute of Environmental Health Sciences

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Your Environment. Your Health.

Research Briefs: University of Tennessee, Knoxville

Superfund Research Program

Biogeochemical Controls over Corrinoid Bioavailability to Organohalide-Respiring Chloroflexi

Project Leader: Frank E. Loeffler
Co-Investigators: Jun Yan, Shawn R. Campagna
Grant Number: R01ES024294
Funding Period: 2014-2019

Program Links

Research Briefs

  • 292 - Nitrous Oxide Halts Breakdown of Chlorinated Compounds -- Loeffler
    Release Date: 04/03/2019

    A new Superfund Research Program (SRP) study showed that nitrous oxide (N2O), a groundwater contaminant commonly generated from agricultural runoff, inhibits bacterial degradation of certain chlorinated contaminants, including tetrachloroethene (PCE). The study may explain why bioremediation, or the use of bacteria to break down compounds, can stall at some hazardous waste sites.

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