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r <br /> CorrectiNe Action Plan <br /> CORRECTIVE ACTION PLAN <br /> ' IMPLEMEINTATION OF SOIL/GROUNDWATER REMEDIATION <br /> at <br /> r Former Diamond Lumber Site <br /> 151 South Main Street Manteca, California <br /> ' July 23, 1997 <br /> i <br /> ' <br /> 10 INTRODUCTION <br /> ' This technical report presents the corrective action plan (CAP) to address a fuel leak from a <br /> former underground storage tank (UST) at the property The site, located at 151 South Main <br /> i Street, Manteca, California, was formerly owned by Diamond Lumber Company The UST, <br /> reportedly a 500-gallon tank, contained gasoline and was presumably used to fuel service <br /> vehicles The most recent owner of the site was 650 Management Corporation, Dallas, Texas <br /> The site was recently acquired by Value Reclamation Corporation(VRC)on June 18, 1997 VRC <br /> has accepted all responsibility for addressing the UST-related fuel leak problem and for <br /> implementing and completing the site remediation This CAP has been prepared by On-Site <br /> Technologies,Inc (OST)on behalf of VRC OST will also implement the CAP presented herein <br /> ' 20 SITE DESCRIPTION <br /> The site is Iocated in a commercial area of downtown Manteca and covers an area of <br /> ' approximately 1 87 acres rounded on the east by Main Street, on the southwest by the Union <br /> Pacific Railroad, and on the west by Maple Street The north side of the property is bounded by <br /> i commercial establishments Figure 1 presents a Site Location Map illustrating the mayor roads <br /> in the vicinity of the site and Figure 2 presents a site map illustrating pertinent on-site features <br /> ' 2.1 Physical and Chemical Characteristics of the Contaminants <br /> The known contaminants at the site are limited to gasoline and gasoline constituents, most <br /> importantly the aromatic compounds benzene, toluene, ethylbenzene, and xylenes (BTEX) <br /> These compounds, being less dense than water, tend to float on the water table if present in <br /> sufficient quantities or, under normal conditions, concentrate near the water table A relatively <br /> recent gasoline additive of particular concern, methyl tertiary butyl ether (MTBE), is not present <br /> in detectable concentrations at this site <br /> DST <br /> ' 701-1-2 cap Page 2 <br />