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1 0 <br /> Ground Water Monitoring Wjfk 2 Thfkb1@u%ter 2001 <br /> ' COUNTRY CLUB FOOL) ANIS FUEL <br /> 1856 Country Club Boulevard, Stockton, California <br /> ' 1.0. INTRODUCTION <br /> ' At the request of Mr Phil Elder of Country Club Food and Fuel,Advanced GeoEnvironmental, Inc <br /> (AGE)has prepared this quarterly report for the property located at 1856 Country Club Boulevard, <br /> Stockton, California (site) The site and the surrounding area are illustrated in Figure 1 On-site <br /> ' structures and monitoring well locations are illustrated on Figure 2 Background information and <br /> ground water monitoring procedures for the site are described in the AGE-prepared work plan titled <br /> Monitoring Well Installation Work Plan, dated 29 December 1999 <br /> ' The objective of work was to monitor dissolved etroleumhydrocarbon concentrations in ground <br /> J p <br /> water and to characterize ground water flow direction and gradient on the site <br /> 2.0. PROCEDURES <br /> Field procedures were performed in accordance with Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) and San Joaquin County Public Health Services - Environmental Health <br /> Division (PHS-EHD) guidelines for subsurface investigations of underground storage tank (UST) <br /> sites and sampling ground water monitoring wells <br /> 1 <br /> 1 N1ONITOR1NG WELL PURGE PROCEDURES <br /> ' On 13 July 2001, ground water monitoring and sampling was performed on wells MW 1 through <br /> MW4 Prior to sampling, the depth to ground water was measured from the top of each well casing <br /> ' to the nearest 0 01-foot utilizing a Solinst water level meter Ground water elevations in each well <br /> were calculated by subtracting the measured depth to ground water from surveyed casing elevations <br /> (Table 1) <br /> ' After water levels were gauged, a new, dedicated disposable bailer was used to purge each <br /> monitoring well of standing water Approximately 7 gallons of water(a minimum of 3 casing-water <br /> volumes) were removed from each well Ground water temperature, pH and conductivity were <br /> measured at regular intervals during purging using a Oakton water analyzer Field sheets and data <br /> ' are included in Appendix A Purged water was stored on-site in labeled, 55-gallon DOT-approved <br /> drums <br /> Advanced GeoEnvironmental,Inc <br /> 1 <br />