Chlorinated Hydrocarbon Treatment Using HRC® Results in Long-Term Contaminant Reduction

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CASE SUMMARY

Manufacturing Facility, New York

Industrial operations at this manufacturing facility resulted in a subsurface contaminant plume containing high levels of chlorinated hydrocarbons. Within the source area, contaminant concentrations, consistent with the presence of dense non-aqueous phase liquid (DNAPL), reached 480 parts per million (ppm) 1,1,1-Trichloroethane (1,1,1-TCA) and 190 ppm 1,1-Dichloroethane (1,1-DCA). In addition, complex surface geology diverted groundwater and contaminant flow to difficult-to-reach areas beneath on-site structures, creating the need for a remediation technology that can succeed in such conditions. Hydrogen Release Compound (HRC®), with its effective in-situ application and controlled-release hydrogen component, was used to stimulate enhanced reductive dechlorination of the chlorinated hydrocarbons beneath the on-site structures.

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