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1 i r .F — � n •- f t Z <br />' Quarterly Report - Fourth Quarter 2003 <br /> Former MEL BOKIDES PETROLEUM - NAVY DRIVE <br /> t2191 Navy Drive, Stockton, California <br />' 1.0. INTRODUCTION <br /> At the request of Mr Nick Bokides of Mel Bokides Petroleum Inc ,Advanced GeoEnvironmental, <br />' Inc (AGE) has prepared the enclosed report for the former Mel Bokides Petroleum fuel facility <br /> located at 2191 Navy Drive,Stockton,California(the site) The site setting is Illustrated on Figure 1 <br /> Site structures, previous boring and monitoring well locations are depicted on Figure 2 <br /> The scope of work Included monitoring the ground water monitoring well network on the site This <br />' report documents collection and analysis of ground water samples and the Interpretation of the <br /> results of the ground water monitoring event <br />' The site history and a description of previous work performed at the site were presented in <br /> Preliminary Investigation and Evaluation Report (PIER), dated 18 April 1999 and in Quarterly <br /> Report - Third Quarter 2000, dated 09 October 2000, prepared by AGE <br />' The fieldwork was performed and this report prepared in accordance Central Valley Regional Water <br /> Quality Control Board (CVRWQCB) guidelines for subsurface investigations of underground <br /> lie storage tank (UST) sites <br /> 2.0. PROCEDURES <br />' On 31 October 2003, ground water monitoring and sampling was performed at the site on wells <br /> MW-1 through MW-8 Ground water monitoring procedures for the site were outlined in <br /> Preliminary Site Assessment Work Plan, dated 15 June 1999 and conform to ground water <br />' monitoring guidelines issued by the San Joaquin County Environmental Health Department(EHD) <br />' 2 1 WELL MONITORING AND EVACUATION <br /> A Solinst water level meter was used to measure the depth to ground water in monitoring wells <br />' MW-1 through MW-8 After ground water depths were measurements, a minimum of 3 casing- <br /> water volumes were purged from each well to be sampled using a new,disposable,dedicated bailer <br /> Approximately eight and one-half gallons of water were removed from each well Temperature,pH <br />' and conductivity of purged ground water were measured at 2-gallon intervals using an Oakton water <br /> analyzer Copies of the field data sheets are in Appendix A Purged water was temporarily stored <br /> on-site in DOT-approved 55-gallon drums pending proper disposal <br /> I <br /> Advanced GeoEnvironmentai,Inc <br /> r <br />