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' Quarterly Report - First Quarter 2004 <br /> QUICK N SAVE #1 <br />' 1901 South El Dorado Street, Stockton, California <br />' 1.0. INTRODUCTION <br />' At the request of Zeb Khan,Advanced GeoEnvironmental, Inc (AGE) has prepared this quarterly <br /> report for the property located at 1901 South El Dorado Street, Stockton, California(site) The site <br /> and the surrounding area are illustrated on Figure 1 Structure, boring and well locations are <br /> illustrated on Figure 2 Site background information is summarized in Appendix A Soil and ground <br /> water analytical data from the current and previous investigations can be found in Tables 1 and 2 <br /> 2.0. PROCEDURES <br />' Field work was performed in accordance with guidelines issued by the Central Valley Regional <br /> Water Quality Control Board (CVRWQCB) for the investigation of underground storage tanks <br /> (UST) sites <br /> 21 MONITORING WELL INSTALLATION, DEVELOPMENT AND SURVEY <br /> 1 • <br /> Four soil borings were advanced on 17 and 18 March 2004 for collection of soil samples and <br /> installation of four ground water monitoring wells (MW-1, MW-2, MW-3 and MW-4) The <br />' monitoring wells were developed on 24 March 2004, and surveyed and sampled on 30 March 2004 <br />' 2 1 1 Drilling and Sampling <br />' On 17 and 18 March 2004, four soil borings (MW1 through MW4) were advanced at the site A <br /> CME-75HT truck mounted drill ng was utilizing to advance 8 25-mch diameter hollow-stem augers <br /> to the total depth of each boring The drill ng and three-man crew were supplied by Cascade Drilling <br />' Incorporated of Rancho Cordova,California Auger returns generated by drilling were containerized <br /> in properly labeled Department of Transportation(DOT)-approved model 17H 55-gallon drums and <br /> were stored on-site <br />' Soil samples were collected ahead of the drill bit`using a California modified split-spoon sampler <br /> loaded with three pre-cleaned 2-inch by 6-inch brass sleeves The samples were collected from the <br />' pilot borings at 5-foot intervals, beginning at 10 feet below surface grade (bsg), using a 140-pound <br /> hammer to advance the sampler The number of blows required to advance the sampler over each <br /> 6-inch increment of the 18-inch sampling interval was recorded on the boring logs After sample <br />' recovery,both ends of the second or other selected sleeve were covered with Teflon sheets, capped <br /> and sealed with tape <br /> Advanced GeoEnvnron mental,Inc <br /> 1 <br />