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_ CORRECTIVE ACTION PLAN <br /> December 1995 <br /> Franklyn Cole Properties <br /> 7505 West Linne Road <br /> Tracy, California <br /> 1.0. INTRODUCTION <br /> In accordance with a request from Mr. Franklyn Cole, Advanced GeoEnvironmental, Inc. (AGE) has <br /> prepared this Corrective Action Plan(CAP) for 7505 West Linne Road in Tracy, California (the site). <br /> This report also summarizes the drilling and installation of soil vapor extraction wells and the <br /> _ performance of a soil vapor extraction pilot test. The location of the site is illustrated on Figure 1; <br /> a plan of the site is illustrated on Figure 2. <br /> The CAP is prepared in accordance with San Joaquin County Public Health Services - Environmental <br /> Health Division (PHS-END) and Central Valley Regional Water Quality Control Board <br /> _ (CVRWQCB) guidelines for the investigation of underground storage tank (UST) site. <br /> 2.0, BACKGROUND <br /> 2.1. SITE LOCATION <br /> The site is located at the northwest corner of the intersection of Chrisman Road and Linne Road in <br /> a rural/agricultural area of low topographic relief southeast of Tracy, California, in San Joaquin <br /> County. Jefferson School is located catercorner across the intersection, southeast of the site. <br /> 2.2. UNDERGROUND STORAGE TANK REMOVAL <br /> Two 1,500-gallon USTs, piping and dispensers were removed from the property in October 1993. <br /> Analysis of soil samples collected from beneath the dispenser at a depth of six feet indicated that total <br /> petroleum hydrocarbons quantified as gasoline (TPH-g) and volatile aromatics (benzene, toluene, <br /> ethyl benzene and xylenes: BTE&X) were present at concentrations up to 48,000 mg/kg (parts per <br /> million: ppm). <br /> 2.3. SITE ASSESSMENT <br /> _ On 12 August 1994, two borings were drilled by Geological Audit Services, Inc. (GAS) in the area <br /> of the former fuel dispenser island. TPH-g was detected at concentrations up to 13,000 ppm and <br /> hydrocarbons were encountered to depths as great as 35 feet below surface grade (bsg). <br /> On 22 February 1995, two additional borings (borings 133 and 134) were drilled north and south of <br />