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k <br /> Extended Plume Definition -7500 EY 11[h S[., Tracy,CA. <br /> Page ii <br /> 1` 7.0 DISTRIBUTION OF HYDROCARBONS IN THE SUBSURFACE...................... ......24 <br /> 7.1 Primary Plume..........................................................................................................................24 <br /> 7.1.1 Confirmation of Primary Plume Boundaries................. <br /> 7.1.2 Distribution of Analytes of Concern in the Interior of the Primary Plume......................25 <br /> 7.2 Secondary Plume....................................................................•--.--.................-•---..................--..27 <br /> 7.3 Dispersed Low Concentrations of Hydrocarbons in Shallow Soils..........................................28 <br /> 8.0 REGULATORY COMPLIANCE.................................................................................................29 <br /> 8.1 Information Reports to State Agencies.....................................................................................29 <br /> 8.1.1 Well Completion Reports.................................................................................................29 <br /> 8.1.2 Electronic Report to the California State Water Resources Control Board......................29 <br /> 9.0 CONCLUSIONS <br /> ...........................................................................................................................30 <br /> 10.0 SCHEDULED GROUNDWATER MONITORING ROUNDS .................................................31 <br /> 11.0 REFERENCES..................................................•-----..............................................-----..................32 <br /> TABLES <br /> Table 1: Well Locations and Elevations <br /> �+ Table 2: Results of Analyses of Soil Samples <br /> Table 3: Depths to Groundwater <br /> Table 4: Results of Analyses of Samples of Groundwater <br /> Table 5: Thickness of Floating Product in Selected Monitoring Wells <br /> Table 6: Wells on and in Neighborhood of 7500 West Eleventh Street Site <br /> Table 7: Results of Analyses of Water Samples from Potable Water Supply Wells <br /> SJC <br />