| This report provides an overview of the treatment technologies used to remediate groundwater, soil, and drinking water contaminated with MtBE and other fuel oxygenates. The treatment methods discussed include air sparging, soil vapor extraction, multi-phase extraction, in situ and ex situ bioremediation, in situ chemical oxidation, pump-and-treat, and drinking water treatment. Information in the report can be used to help evaluate those technologies based on their effectiveness at specific sites. The report summarizes available performance and cost information for these technologies, examples of where each has been used, and additional sources of information. |