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In Situ Thermal Treatment Site Profile Database
Memphis Depot
Last Updated: 08/02/2011 | ||
Site Name | Memphis Depot | |
Site Location | Memphis, TN | |
Site Type | Federal Facility | |
Cleanup Program | Superfund Remedial | |
Entity Responsible for Cleanup | EPA | |
Project Name | Memphis Depot | |
Project Technology | Thermal Treatment (In Situ) | |
Scale | Full scale | |
Vendor | Not Specified | |
Project Status | Complete | |
Beginning of operational phase | 05/01/2008 | |
Project completion date | 01/01/2009 |
Contaminants of Concern | Trichloroethene |
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Media Type | Soil |
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Extent/size of area of contamination | Eight separate source zones existed at the site. The combined area for treatment included 49,940 cubic yards of subsurface material to a depth of 30 feet below ground surface. The treatment system recovered approximately 12,500 pounds of contaminants. | |
Volume of Media Treated | 49900 cubic yards | |
Description of geology/hydrogeology | Geology at the site consists of tight loess (silt/clay) above the water table. | |
Cleanup goals or remedial objectives | The remedial objective was to treat chlorinated solvents in soil to concentrations that are below the target remedial goals. The remedial goals for carbon tetrachloride, chloroform, 1,1,2,2-PCA, 1,2-dichloroethene, and trichloroethene were .215 mg/kg, .917 mg/kg, .0112 mg/kg, .755 mg/kg, and .182 mg/kg respectively. | |
Performance data available? | Yes | |
Summary and description of performance data | Soil sampling results indicated that the in situ thermal desorption system reduced contaminant concentrations to below 0.01 milligram/kilogram (mg/kg) in all eight source zone areas. Before treatment, these locations had chlorinated organic concentrations higher than 1,000 mg/kg. | |
Comments | Soil sampling results indicated that the in situ thermal desorption system reduced contaminant concentrations to below 0.01 milligram/kilogram (mg/kg) in all eight source zone areas. Before treatment, these locations had chlorinated organic concentrations higher than 1,000 mg/kg. | |
Site contact information | Turpin Ballard U.S. Environmental Protection Agency Region 4 Tel.: 404-562-8553 Email: ballard.turpin@epa.gov |
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Information Source(s) | Heron, G., Parker, K, Galligan, J, Holmes, T.C. Thermal Treatment of Eight CVOC Source Zones to Near NonDetect Concentrations. Groundwater Monitoring and Remediation (2009), Vol 29, No 3, p. 56-65. TINS Abstracts (March 1-31). In Situ Thermal Desorption Minimizes Cleanup Duration at Dunn Field BRAC Site. TNT (October, 2010). |
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