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U-Haul#709-50 <br /> Preliminary Site Conceptual Model Blaes Environmental <br /> December 15,2008 <br /> i80 REFERENCES .`. . 25 <br /> FIGURES <br /> Figure 1 Site Location Map <br /> Figure 2 Site Vicinity Map <br /> Figure 3 Site Map <br /> Figure 4 Underground Utility Map <br /> Figure 5 Cross Section A-A' <br /> Figure 6 Cross Section B-B' <br /> Figure 7 Groundwater Elevation Contours— September 2006 <br /> Figure 8 Hydrograph of Select Wells Spanning the Site <br /> Figure 9 TPHg Concentrations in Groundwater— September 2006 <br /> Figure 10 TPHd Concentrations in Groundwater— September 2006 <br /> Figure 11 Benzene Concentrations in Groundwater— September 2006 <br /> Figure 12 1,2 DCA Concentrations in Groundwater— September 2006 <br /> TABLES <br /> Table 1 Summary of Soil Sample Analytical Results—UST Removal <br /> Table 2 Summary of Soil Sample Analytical Results—January 2000 <br /> Table 3 Summary of Soil Sample Analytical Results—March 2006 <br /> Table 4 Summary of Well Construction Details <br /> Table 5 Summary of Groundwater Measurements <br /> Table 6 Summary of Groundwater Sample Analytical Results <br /> APPENDICES <br /> Appendix A Summary ofBlaes Environmental's Production Well Survey-2003 <br /> Appendix B Historical Soil and Groundwater Data <br /> Appendix C Previous Site Assessment Activities—Soil Boring Logs <br /> Appendix D Previous Site Assessment Activities—Well Construction Diagrams <br /> Appendix E Well Permits <br /> Appendix F Stockton Unified School District Access Agreement <br /> Appendix G Health and Safety Plan <br /> Appendix H Soil Boring Logs—March 2006 <br /> Appendix I Laboratory Analytical Reports for Soil Samples—March 2006 <br /> Appendix J Well Construction Diagrams—March 2006 <br /> Appendix K Top of Casing Well Survey—March 2006 <br /> Appendix L Laboratory Analytical Reports for Groundwater—March, June, and September 2006 <br /> Appendix M Investigative Derived Waste Disposal Documentation <br /> Appendix N Feasibility Testing Results, Figures and Tables—November 2002 <br /> ]v <br />