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Corrective Action Plan <br /> CORRECTIVE ACTION PLAN <br /> IMPLEMENTATION OF SOIL/GROUNDWATER REMEDIATION <br /> ' at <br /> Former Diamond Lumber Site <br /> 151 South Main Street, Manteca, California <br /> July 23, 1997 <br /> ' 1.0 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 /> 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 /> 2.0 SITE DESCRIPTION <br /> ' The site is located in a commercial area of downtown Manteca and covers an area of <br /> approximately 1.87 acres bounded 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 /> commercial establishments. Figure 1 presents a Site Location Map illustrating the major 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 /> OST <br /> 701-1-2.cap Page 2 <br />