TNX Area Phase II Soil Vapor Extraction Test Treatability Study Report
The Savannah River Technology Center (SRTC), at the Savannah River Site (SRS), operates a pilot scale testing facility in the TNX Area. Research conducted in the TNX Area generated wastewater that was disposed of in earthen basins until 1988. As a result of these operations, shallow groundwater and sediments beneath the TNX Area are contaminated with both dissolved and residual chlorinated volatile organic compounds (CVOCs) such as trichloroethylene (TCE), carbon tetrachloride, and perchloroethylene (PCE). In 1996, the SRS initiated an Interim Remedial Action to capture and contain the dissolved contamination that was greater that 500 {micro}g/L TCE (WSRC, 1999). The Interim Remedial Action included the installation of a recovery well network and air stripper, and a vertical recirculation well. The objective of the recovery well network and air stripper is to provide hydraulic containment of the contaminated groundwater and provide a mechanism for the treatment of purge water generated during monitoring of the Interim Remedial Action. A vertical recirculation well, TVR1A, was installed to test the in-well vapor stripping (IVS) technology. Results from the test indicated that the IVS technology was not effective in the TNX Area. A single well soil vapor extraction test was conducted during June of 1997 using well TVR1A and the existing vacuum extraction unit that was installed for the in-well vapor stripping test. The objective of the SVE test at TNX was to collect preliminary information for the design of a SVE system to remediate residual CVOCs in the sediments.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC09-96SR18500
- OSTI ID:
- 881317
- Report Number(s):
- WSRC-TR-99-00051R2
- Country of Publication:
- United States
- Language:
- English
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