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I <br /> Soil vapor extraction and air sparging system <br /> A soil vapor extraction/air sparging (SVE/AS) system operated from 1994 to 1996 and recovered <br /> petroleum hydrocarbon vapors from wells MW2, MW3, MW5, MW6, V1, V2, and V4 in <br /> conjunction with air sparging 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 /> over time <br /> I <br /> I <br /> I <br /> I <br /> I <br /> lie <br /> I I <br /> r <br /> • <br /> G\PmjectA739421PL Bl IC50_gMSQuarterly Pmgreas Report12004\3942 Q03W_synttradnc 4 <br />