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w <br /> • Purge Water <br /> Purge water generated during groundwater purging is currently contained on-sate in Department of <br /> Transportation rated 55-gallon drums and will be removed to a disposal/recycling facility during <br /> November 2000 <br /> SITE REMEDIATION <br /> Construction of a soil and groundwater remediation system was completed at the site an December <br /> 1999 The remediation system consists of seven soil vapor extraction (SVE) wells (W-1, W-3 <br /> through W-8), two groundwater monitor wells modified for SVE (MW-1 and MW-3) and four air <br /> sparge wells (AS-1 through AS-4) with catalytic oxidation treatment A Site Plan depicting the <br /> locations of the remediation wells, subsurface piping, and remediation equipment compound is <br /> included as Figure 4 Initial start-up air discharge compliance testing was completed on December <br /> 13, 1999 The San Joaquin County Valley Air Pollution Control District(SJVAPCD)has approved <br /> an air permit for the site During site visits, SECOR monitored system parameters and collected <br /> appropriate influent soil vapor samples <br /> Based on the influent soil vapor samples analytical results,approximately 3,075 pounds of gasoline <br /> were removed and treated at an average extraction rate of 159 scfin for this reporting period A total <br /> • of approximately 26,701 pounds of gasoline has been removed and treated at the site since the SVE <br /> system began operation The soil vapor analytical results and system efficiency results are included <br /> as Attachment III <br /> C Mwe ODUAckcfurdQ300 3 SECOR <br /> 077 41737 003 Octnhcr 17 2000 <br />