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Quarterly Report - Fourth Quarter 2001 <br /> FLAME MINI-MART <br /> 1301 West Kettleman Lane <br /> Lodz, California <br />' I.O. INTRODUCTION <br />' Advanced GeoEnvironmental, Inc (AGE) has prepared this quarterly report for 1301 West <br /> Kettleman Lane (the site), Lodi, California The scope of work included conducting a quarterly <br />' ground water monitoring event and preparation of this report The site setting is illustrated in <br /> Figure 1 Site structures and monitoring well locations are depicted in Figure 2 <br />' This report has been prepared in accordance with guidelines issued by the California Regional Water <br /> Quality Control Board- Central Valley Region for investigation of underground storage tank(UST) <br /> sites Site history and findings from previous investigations at the site are summarized in the AGE- <br /> prepared Preliminary Site Assessment Work Plan, dated 30 June 1999 <br />' 2.0. PROCEDURES <br /> On 11 December 2001, a ground water momtoring and sampling event was performed at the site on <br />' wells MW-1 through MW-4, monitoring well construction details are summarized in Table 1 <br /> Ground water momtoring procedures for the site were outlined in Preliminary Site Assessment Work <br /> Plan, dated 30 June 1999,prepared by AGE and approved by the San Joaquin County Environmental <br />' Health Department (SJCEHD) by letter dated 07 July 1999 <br /> r2 1 WELL MONITORING AND-EVACUATION <br /> Depth to ground water was measured in each well from the top of the well casing to the nearest <br /> 0 01-foot utilizing a Solinst water level meter The ground water elevation in each well was <br /> calculated by subtracting the measured depth to ground water from the surveyed casing elevation <br /> (Table 2) Ground water elevations were plotted and contoured on a scaled site map (Figure 3) <br /> After water levels were measured, approximately 5%2 to 6 gallons of ground water(a minimum of <br /> I three casing-water volumes per well) were evacuated (purged) from wells MW-1 through MW-4 <br /> utilizing polyethylene disposable bailers Temperature, pH and conductivity were measured for <br /> stabilization at regular purge-volume intervals from each well using an Oakton water analyzer Field <br /> data and logs are included with Appendix A Purged ground water was containerized in 55-gallon <br /> drums and was stored on-site in an area lacking general public access <br /> I <br /> Advanced Geo Environmental,Inc <br />