U.S. EPA Contaminated Site Cleanup Information (CLU-IN)


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PRELIMINARY CLOSEOUT REPORT: SOLVENTS RECOVERY SERVICE OF NEW ENGLAND, INC.
U.S. EPA Region 1, 26 pp, 2018

Past operations at this permitted hazardous waste treatment and storage facility led to the release of VOCs (chlorinated hydrocarbons, ketones, alcohols, aromatics, SVOCs), PCBs, dioxins, and metals. VOC contamination leeched into groundwater and migrated off site into the Curtiss Street Well Field and beyond the Quinnipiac River. A time-critical excavation in 1992 removed 19 drums of soil contaminated with up to 350 mg/kg PCBs and 100 mg/kg VOCs. Operation of the groundwater pump-and-treat system revealed the presence of NAPLs in 57,000 yd3 of overburdened aquifers. In situ thermal treatment coupled with vapor extraction wells were used to remediate ~210,000 kg NAPL in the vadose zone between May 2014 and March 2015. In the final phase of remediation, soils from five areas of the property were excavated and backfilled with clean soil. Solar panels installed in September 2018 on the cap are expected to provide the energy needed for future operation and maintenance. http://www.srsnesite.com/wp-content/uploads/2018/09/PCOR-final-sept-2018.pdf



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