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 Demonstrates Fast Dry Cleaner Remediation Bioaugmentation makes fast and cost-effective dry cleaner remediation possible. Dry cleaning solvents were found in the ground water adjacent to a dry cleaning facility located in a commercial shopping center in Houston, Texas. InControl Technologies, Inc. of Houston, Texas was the environmental consulting firm that completed the site […]
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 […]
CL-Out Completes Remediation After Stalled Natural Attenuation CL-Out bioremediation can complete remediation stalled by a lack of oxygen. Investigation of an industrial dry cleaners near Philadelphia, Pennsylvania found concentrations of breakdown products of PCE in the soil and ground water. The parent PCE presumably was reductively dechlorinated to TCE, DCE and vinyl chloride. However, since […]
The US EPA Technology and Field Services Division produced a report on aerobic cometabolism of chlorinated solvents under their Contaminated Sites Clean-Up Information program on February 7, 2019. This report includes an overview of aerobic cometabolism and guidance on application and monitoring. Click here to link to the report. While the report cites the research […]
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