PCE bioremediation in aerobic groundwater by CL-Out microbes reduced environmental risk at a printing company in Kentucky. Testing found high concentrations of PCE in perched ground-water. The ground water aquifer was in sn alluvial sand deposit with high permeability. The high permeability facilitated injection for in situ treatment. Also, the high permeability of the aquifer […]
CL-Out bioremediation was used in a keyhole treatment to remediate PCE. The source treatment also reduced the mass of contamination down gradient in the plume. At a former manufacturing facility in Ohio the concentration of PCE near the source was over 100,000 ug/L. Down gradient of the source the PCE concentrations were less than 10% […]
Successful Aerobic Cometablism A pilot study of the applicability of CL-Out aerobic cometabolism of PCE and other chlorinated solvents was completed at Vandenberg Air Force Base. The pilot study consisted of injection in a single well and groundwater sampling at four surrounding wells to monitor the progress of bioremediation. During the pilot study, samples were […]
A history of spills and/or releases at two adjacent dry cleaning facilities near Houston, TX, resulted in significant soil and shallow groundwater contamination with PCE and daughter products. Soil was relatively permeable, with rapid groundwater flow beneath the site. A long, narrow, off-site plume extended beneath a residential neighborhood. Chemical oxidation was employed initially with […]
Site Description Dry cleaning solvent spills in a storage area lead to the contamination of soil and ground water on the property of a 50-year-old dry cleaners in the middle of a hot brownfield redevelopment. After the contaminated soil was excavated for off site disposal to the most practical extent, residual perched ground water contamination […]
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