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TABLE OF CONTENTS <br /> 1.0 INTRODUCTION.. . . . . . . . . . . . . . . . . . . . . . . <br /> 2.0 BACKGROUND AND SITE FUSTORY . . . . . . . . . . . I <br /> I ­ * . . . . . . . . . . . . . . . . . . . . . . <br /> 2.,�l Site Description . . . . . . . . . . . . . . . . . . . . ... . . . . . .. . . . . .. . . . . . . . . . . . . . . . . I <br /> 2.2 Geology and Regional Hydrogeology . . . . . I . . . . . . . . . . .... . . . . . . . . . . . . . . . 1 <br /> 2.3 Local Hydrogeology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 2.4 Summary of Previous Investigations . . . . . . . . . . . . . . I . . . . . . . . . . . I . . . . . . . 2 <br /> 3.0 SCOPE OF WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 4.0 GROUNDWATER MONITORING . . . . . . . . . . . . . . . . . . . <br /> 4.1 Groundwater Elevations <br /> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 4.� Monitoring Well Purging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> 4.3 Groundwater Sampling . . . . . . . . . . . . . . . .. : . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 4.4 Groundwater Analyses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 5.0 SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . 4 <br /> 5A Groundwater Flow and Gradient . . . . . . . . . . . . . . i . . . . . .. 4 <br /> 5.2 Results of Groundwater Laboratory Analyses . . . . . . . . . . . . . . . . . . . I . . . . . . . 4 <br /> 6.0 PREPARATION OF REPORT . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> FIGURES <br /> Figure I Site Location Map <br /> Figure 2 Site Plan <br /> Figure 3 Groundwater Elevation and Gradient Map <br /> Figure 4 Historical Groundwater Gradient Map <br /> Figure 5 TPH G, BTEX and MTBE Concentrations in Groundwater <br /> TABLES, <br /> Tible I Groundwater Elevation Data Summary <br /> T 'ble 2 Groundwater Sample Data <br /> APPENDICES <br /> Appendix A Field Data Sheets <br /> Appendix B Laboratory Reports with Chain-of-Custody Documents <br />