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 […]
Case Study : Industrial Manufacturing Site, Illinois Remediation Summary Leaks from an aboveground solvent tank impacted soil and ground water quality at a manufacturing site in Illinois. The impact was found under the adjoining building as well as the area near the tank. The soil and ground water were treated in situ with CL-Out® bioremediation […]
Project Summary Degreasing solvents were found in the ground water at an industrial manufacturing facility in Tampa, Florida. The solvents include PCE and its associated breakdown products. The source of the ground water contaminants was found to be a former water treatment system drain field. CL-Out® bioremediation was implemented to reduce the volume of contamination […]
CL-Out was used to complete the remediation of ground water contaminated by chlorinated solvents from a former dry cleaning site in Rockville, Maryland. The ground water contamination had migrated from leaking sewer lines to underlying bedrock fractures. Fenton’s Reagent was first applied to the site, but the PCE concentrations increased due to desorption. Subsequently, sodium […]
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