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

U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

For more information on Thermal Treatment - In Situ, please contact:

Jim Cummings
Technology Assessment Branch

PH: (703) 603-7197 | Email: cummings.james@epa.gov

In Situ Thermal Treatment Site Profile Database

Residential Drum Disposal Site
Last Updated: 10/28/2009
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Site Name   Residential Drum Disposal Site
Site Location   MA
Site Type   Drum Storage/Disposal
Project Name   Residential Drum Disposal Site
Project Technology   Conductive Heating (In Situ Thermal Treatment)
Scale   Full scale
Vendor   Geosyntec
Project Status   Operational

Contaminants of Concern Chlorobenzene
Media Type Groundwater
Dense Non-aqueous Phase Liquids (DNAPLs)
Extent/size of area of contamination   The extent of contamination at the site is unknown; however, the treatment system was installed over a 420 square meter area.
Description of geology/hydrogeology   Information about hydrogeology of the site is not available in the reference cited.
Cleanup goals or remedial objectives   To remove residual contamination above and below the water table left behind after the excavation of drums and drum-associated wastes.
Performance data available?   Yes
Summary and description of performance data   Preliminary data indicate that almost 15,000 kg of contaminant mass have been removed from the subsurface.
Comments   In Situ Thermal Desorption was selected as the main remedial technology at this Site. A target temperature of 150 degrees Celsius was achieved using 70 heater wells that were installed over a 420 square meter area. Temperatures near individual heater wells approached 750 degrees Celsius. Volatilized contaminants were removed, treated, and discharged over a period of 210 days. In order to move contaminated groundwater and mobile NAPL from outside the thermal treatment zone, a dual-phase recovery and treatment system was implemented. The contaminated groundwater was treated to remove VOCs and SVOC, trace heavy metals, and iron and manganese. Extracted NAPL was disposed off-site. Volatized contaminants were removed via vapor collection trenches heated by thermal oxidation and discharged to the atmosphere.
Site contact information   Thomas J. Phelan
Geosyntec Consultants
Boston, Massachusetts
Email: tphelan@geosyntec.com
Information Source(s)   Phelan, Thomas J. et. al. 2008. Implementation of a Combined Thermal Remedy at a Residentially Located Drum Disposal Site. Platform Abstracts, C6. Presented at Sixth International Conference on Remediation of Chlorinated and Recalcitrant Compounds Sponsored by Battelle.

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