CVOCs Remediation In Bedrock

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  2. CVOCs Remediation In Bedrock In Guelph, Ontario
Brief

During the decommissioning of a former institutional facility in Guelph, Ontario. PCE and its daughter products were found in the groundwater. The plume, located in overburden and fractured bedrock, was inititally treated using excavation and Multi-Phase Extraction. These activities were only partially successful in reducing the level of gruondwater impacts. IRSL was retained to design, test and implement a multi-technology in-situ program to address the remaining groundwater impacts.

Process

To mitigate the chlorinated volatile organic compounds (CVOCs) including tetracholoroethylene (PCE), trichloroethene (TCE), 1,1 dichloroethene (1,1 DCE), cis- and trans-1,2-dichloroethene (cis & trans 1,2 DCE) and vinyl chloride (VC) in the groundwater, IRSL developed and executed a progressive in-situ approach using a combination of adsorption, chemical reduction and anaerobic biodegration.

Results

Sustained reductions of greater than 96% within two months of application.

Remedial objectives met.

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