IN-SITU CLEANUP OF AN HISTORIC RAILROAD SITE
A targeted treatment program utilizing in-situ chemical oxidation was used to remediate diesel fuel-derived petroleum compounds in unsaturated and saturated soils at a historic railroad facility. This program consisted of multiple injections at varying depths within temporary Geoprobe® injection points. The actual treatment time was less than three months. Overall concentrations of volatile and semi-volatile organic petroleum compounds were reduced by approximately 70 percent, while the total petroleum hydrocarbon concentration was reduced by nearly 50 percent. Treatment efficiency in unsaturated soil was similar to that in saturated soil. Results of the remedial program indicate that the effect of grain size of the subsurface materials on treatment efficacy is significant. The project has shown that the use of this technology can be as effective as other in-situ treatment technologies used for treating subsurface diesel fuel contamination.
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Document Type: Research Article
Publication date: 2002-01-01
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