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TABLE OF CONTENTS <br /> EXECUTIVE SUMMARY 1 <br /> 1,0 INTROCUCTION 2 <br /> 2.0 BACKGROUND 2 <br /> • <br /> 2 1 History and Location 2 <br /> 2 2 Extent of Contamination 2 <br /> 3.0 SITE REMEDIATION 3 <br /> 3 1 Drilling of Infection Borings 3 <br /> 3 2 ORC Injection 3 <br /> 4.0 MONITORING PROCEDURES AND RESULTS 4 <br /> • <br /> 4 1 Depth to Groundwater 4 <br /> 4 2 Hydrocarbons 4 <br /> 4 3 Dissolved Oxygen 5 <br /> TABLES <br /> Table 1 Groundwater Elevations <br /> Table 2 Groundwater Elevations and Sample Analytical Results--Previous <br /> Table 3 Analytical Results <br /> Table 4 Dissolved Oxygen Concentrations <br /> • <br /> FIGURES <br /> Figure 1 Site Vicinity Map <br /> Figure 2 Well Location Map from Clearwater Group <br /> Figure 3 Revised Well Location Map <br /> Figure 4 Composite Site Map <br /> Figure 5 Revised Benzene Isocontour Map Prior to ORC Infection <br /> Figure 6 ORC Infection Boring Location Map <br /> Figure 7 Projected Cross Section Showing ORC Infection Depths <br /> Figure 8 Groundwater Gradient--April 24, 1998 <br /> • Figure 9 Groundwater Gradient--May 8, 1998 <br /> Figure 10 Dissolved Oxygen Concentrations Groundwater vs Time <br /> APPENDICES <br /> Appendix A Well Monitor Reports <br /> Appendix B Laboratory Report <br /> i <br />