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1 <br /> Quarterly Report - First Quarter 2005 <br /> RIPON FARM SERVICE <br /> South.Highway 99, Ripon, California <br /> 09 <br /> 932 . <br /> ' 1.0. INTRODUCTION <br /> At the request of Mr. Allan Fetters, Advanced Ge nvironmental, Inc. (AGE) has prepared this <br /> report of environmental activities conducted at-2, South Highway 99; Ripon, California (the <br /> site).The location of the site and surroundingarea are illustrated on Figure 1. Structures monitoring <br /> g g <br /> ' wells, and remediation well locations associated with the site are depicted on Figure 2. <br /> This report documents the procedures and results of the quarterly ground water monitoring event <br /> performed on 19 January 2005. Background information, including details of previous site <br /> assessment work, is presented in Appendix A. <br /> 2.0. PROCEDURES <br /> Quarterly ground water monitoring activities were conducted on 19 January 2005;monitoring wells <br /> MW-1 through MW-5 were monitored and sampled. <br /> All field work was performed in accordance with Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) guidelines for the investigation of underground storage tank (UST) sites. <br /> Ground water monitoring and sampling were performed in accordance with San Joaquin County <br /> ' Environmental Health Department(EHD)guidelines for the sampling of ground water monitoring <br /> wells. <br /> 1 ' <br /> 2.1. WELL MONITORING AND EVACUATION <br /> rA Solinst water level meter was used to measure the depth to ground water in on-site wells MW-1 <br /> through MW-5 relative to the tops of the well casings. The ground water elevations and gradient <br /> ' were determined from these data(Table 1). <br /> After recording water level measurements, disposable plastic bailers were used to purge the wells <br /> ' of standing water. Approximately 3.5 to 5 gallons of water (a minimum of three casing water <br /> volumesper well)were removed from wells MW-1 through MW-5..Ground water temperature,pH, <br /> and conductivity were measured at regular intervals during purging using an Oakton water analyzer. <br /> Purged ground water was containerized in properly labeled, Department of Transportation <br /> ' (DOT)-approved 55-gallon drums and stored on-site. Field sheets and data are included in <br /> Appendix B. <br /> ' Advanced GeoEnvironmentai,Inc. <br />