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USGS Fate and Bioremediation Projects

Click on the name of a project below to learn more about that project.


Major releases of chlorinated benzenes and benzene are known to have occurred at the Standard Chlorine of Delaware Inc. Superfund Site from 1966-2002, resulting in contamination of the groundwater underlying the site and the wetlands surrounding Red Lion Creek.

Although installation of a groundwater interception and treatment system has been completed around the main facility, wetland and sediment areas impacted by contaminated groundwater discharge and past surficial spills remain outside this containment area.

Implementation of in situ bioremediation was identified for the wetland areas under the selected remediation alternative during the Feasibility Study.

For more information, visit the project webpage: Bioremediation in Wetland Areas, Standard Chlorine of Delaware Inc. Superfund Site, Delaware City, Delaware

Fixed-film, flow-through bioreactor experiments to evaluate biodegradation of chlorinated VOCs by native wetland microbial community and the WBC-2 dechlorinating consortium.
Fixed-film, flow-through bioreactor experiments to evaluate biodegradation of chlorinated VOCs by native wetland microbial community and the WBC-2 dechlorinating consortium.



Geosyntec CRADA

The USGS and Geosyntec Consultants signed a cooperative research and development agreement (CRADA) in June 2005 to collaborate on further development and application of the WBC-2 dechlorinating culture and the reactive mat in situ bioremediation technology.

For more information, visit the project webpage: Geosyntec CRADA

Pilot test in tidal wetland of reactive flow-through cap that was bioaugmented with WBC-2 for treatment of discharging groundwater contaminated with high concentrations of chlorinated solvents.
Pilot test in tidal wetland of reactive flow-through cap that was bioaugmented with WBC-2 for treatment of discharging groundwater contaminated with high concentrations of chlorinated solvents.




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