Springfield, MO - TCE remediation in bedrock - Case Study

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Courtesy of TRS Group, Inc.

Remediation of TCE at Former Industrial Manufacturing Facility

Confidential Client — Springfield, Missouri

Project Summary

TRS, as a subcontractor to Stantec, designed, installed and operated an electrical resistance heating (ERH) system at a former industrial manufacturing facility in Springfield, Missouri. TCE in soil was the primary contaminant of concern, with additional chlorinated volatile organic compounds (CVOCs) identified: 1,1,1-trichloroethane (TCA), 1,1-dichlorothene (DCE), 1,2-DCE, and 1,1-dichloroethane (DCA). A total of 23,802 pounds of CVOCs were extracted in the vapor phase from the treatment volume. Comparison of pre- and post-heating soil sampling data showed that site average concentrations of TCE and TCA in soil had declined by over 99 percent.

Background

The site is located east of the Springfield-Branson National Airport and southeast of General Aviation Boulevard in an open field near the former Litton Systems buildings and parking lot. The region requiring remedial action is referred to as the Original Acid Pit area (OAP), The OAP treatment area measures approximately 72,000 square feet (ft2).

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