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Corrective Action Plan - May 1998 <br /> CALIFORNIA FUELS CARDLOCK STATION <br /> 2402 Pacific Avenue, Stockton, California <br />' 1.0. INTRODUCTION AND SCOPE OF WORK <br /> In accordance with a request from Mr David Atwater of Van De Pol Enterprises, Advanced <br /> GeoEnvironmental, Inc (AGE), has prepared this Corrective Action Plan Report (CAP) for 2402 <br /> Pacific Avenue, Stockton, California The location of the site is illustrated in Figure 1 A plan of the <br />' site is illustrated in Figure 2 <br /> The scope of the work for this CAP is to evaluate the feasibility and cost aspect of several remedial <br />' action alternatives for hydrocarbon-impacted soil and ground water at the site The CAP was <br /> prepared in accordance with guidelines established by the San Joaquin County Public Health <br /> Services - Environmental Health Division (PHS-EHD) and the Central Valley Regional Water <br />' Quality Control Board (CVRWQCB) for investigation of underground storage tank (UST) sites <br />' 20. BACKGROUND <br /> 21 SITE LOCATION AND DESCRIPTION <br /> The site is located at 2402 Pacific Avenue, on the northeast corner of the inter section of Castle Street <br /> and Pacific Avenue The site is located in a topographically flat area at an elevation between 10 and <br /> 15 feet above mean sea level in the city of Stockton, San Joaquin County, California The site is <br /> within the northeast quarter of Section 6, Township 2 North, Range 6 East, Mount Diablo Base and <br /> Meridian (Stockton West Quadrangle, 7 5-Minute USGS Topographic Series, 1968, photo revised <br />' 1987) <br /> The site is currently a vacant lot, with all structures and improvements removed circa 1996 The <br />' property encompasses approximately 0 15 acres or 6,325 square feet Ground water monitoring well <br /> locations are depicted in Figure 2 <br /> 22 PRELIMINARY SITE ASSESSMENT ACTIVITIES <br /> The following is a brief summary of preliminary site assessment field activities conducted at the site <br /> • On 12 March 1996, three 10,000-gallon USTs were excavated and removed from the site <br /> Substantial total petroleum hydrocarbons (TPH) were detected in soil samples collected <br /> beneath two of the three removed USTs at depths of approximately 17 to 18 feet below <br />' surface grade (bsg) Analytical results of soil samples are summarized in Table 1 <br /> • - On 25 and 26 July 1996,preliminary site assessment activities were conducted by advancing <br />' Advanced GeoEn-,iroamenta1,1nc <br />