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t " r r � Quarterly Report - Fourth Quarter 2005 Y • COUNTRY CLUB FOOD AND FUEL 1856 Country Club Boulevard, Stockton, California r 1.0. INTRODUCTION At the request of Mr Phil Elder of Country Club Food and Fuel,Advanced GeoEnvironinental,Inc (AGE) has prepared this quarterly report for the property located at 1856 Country Club Boulevard, Stockton, California(site) The scope of work Included a quarterly ground water monitoring event, submission of monitoring and analytical data to the State Water Resources Control Board's ' GeoTracker information management system, and preparation of this report The objective of the work was to monitor dissolved fuel additive methyl tertiary-butyl ether(MTBE) concentrations In ' ground water and to characterize ground water elevation, flow direction, and hydraulic gradient on the site The location of the site and surrounding area is illustrated on Figure 1,on-site structures and monitoring well locations are illustrated on Figure 2 This report was prepared in accordance with Central Valley Regional Water Quality Control Board (CVRWQCB)guidelines for the investigation of underground storage tank(UST)sites Site history ' and findings from previous investigations and monitoring events are provided,In Appendix A 2.0. PROCEDURES ' Field work was performed in accordance with guidelines established by the CVRWQCB and San Joaquin County Environmental Health Department (EHD) for the investigation of UST sites and sampling ground water monitoring wells At the request of Mr Mike Infurna of the EHD,Country Club Food and Fuel quarterly ground water - monitoring events are coordinated to occur concurrently with ground water monitoring activities at ' the adjacent Sanchez property (1876 Country Club Boulevard) ' 2 1 WELL MONITORING AND EVACUATION On 20 October 2005, a Solmst water level meter was used to measure the depth to ground water in ' all four monitoring wells relative to the tops of the well casings After the depth to ground water measurements were collected,casing water in each monitoring well was evacuated_using dedicated, disposable plastic bailers Between 5 and 5 5 gallons of water,the equivalent of three casing-water volumes, were evacuated from monitoring wells 1 through 4 Temperature, pH, and conductivity of the purged water were measured'at regular intervals using an Oakton water analyzer Field data logs are provided in Appendix B Purged water was containerized Advanced GeoEnvironmental,Inc i