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SUMMARY OF INVESTIGATION FINDINGS <br /> AND CLOSURE REPORT <br /> MAJOR MART FACILITY <br /> ` 1235 EAST ALPINE AVENUE <br /> STOCKTON, CALIFORNIA <br /> } E <br /> Agenda <br /> October 4, 1994 § <br /> 'j <br /> • Site History Discussion <br /> • Additional Site Characterization and Modeling a <br /> tiviti'es including the following: <br /> • Assessment of the possible presence of chemicals of interest in the <br /> unsaturated zone beneath the former tank`pit and above the sandy zone of 1 <br /> saturation, <br /> { • Assessment of the presence of an 'oily',subsiance" in the Septic Leach <br /> System area at a depth of approximately,25 feet, <br /> l <br /> • Conducting the quarterly monitoring event ho verify the absence of <br /> chemicals in Site groundwater, <br /> • Developing conceptual estimates of soil volumes and groundwater ' <br /> beneath the site which contain residual!concentrations of chemicals of <br /> interest, <br /> • Performing bench-scale studies of the possible chemical and physical ; <br /> effects of "Simple Green" {the surfactant} oi, gasoline hydrocarbons in <br /> Site soils. <br /> • Collecting site specific aquifer parameters and calculating the fate and <br /> transport of benzene at the Major Mart Site using a conceptual model of <br /> Site hydrogeological conditions. <br /> F f <br /> 1 <br /> I+ <br /> 4 <br />