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1 <br /> Soil vapor extraction and air sparging system: <br /> A soil vapor extraction/air spargrng (SVE/AS) system operated from 1994 to 1996 and recovered <br /> petroleum hydrocarbon vapors from wells MW2, MW3, MWS, MW6, V1, V2, and V4 in <br /> conjunction with air spargzng wells SWI and SW2 A total of approximately 14,500 pounds of <br /> petroleum hydrocarbons was removed from the vadose zone by the SVE/AS system The SVE <br /> influent concentration and the cumulative estimated pounds of TPH-g removed became asymptotic <br /> 1 over time <br /> i <br /> 1 <br /> 1 <br /> I <br /> lie <br /> 1 <br /> 1 <br /> 1 <br /> I <br /> I <br /> I <br /> I <br /> • <br /> I <br /> G 1Pr0jcas1739421PUBLIC5O_4_M\QuaneT]y Progress ReNn\200SU942 Q0605_systcm doc 4 <br />