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1 <br /> TABLE OF CONTENTS <br /> 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0 PROJECT BACKGROUND INFORMATION 1 <br /> 2.1 Site Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.2 Site History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.3 Site Vicinity Well Inventory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.0 SUMMARY OF INVESTIGATION RESULTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br />' 3.1 Site Geology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.2 Site Hydrogeology 3 <br /> 3.3 Distribution of Petroleum Hydrocarbons in Soil . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br />' 3.4 Distribution of Petroleum Hydrocarbons in Ground Water . . . . . . . . . . . . . . . . . . . 4 <br /> 4.0 SITE REMEDIATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 5.0 ASSESSMENT OF REMEDIATION EFFECTIVENESS . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 6.0 RATIONALE FOR CLOSURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br />' 7.0 REMARKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> Tables <br /> TABLE 1 Ground Water Elevation Data <br /> TABLE 2 Soil Sample Analytical Results <br /> TABLE 3 Ground Water Sample Analytical Results <br />' Figgres <br /> FIGURE 1 Site Location Map <br /> FIGURE 2 Site Map <br /> FIGURE 3 Location of Geologic Cross Sections <br /> FIGURE 4 Geologic Cross Section A-A' & B-B' <br />' FIGURE 5 Extent of Excavation and Soil Sample Locations <br /> FIGURE 6 Approx. Lateral Extent of Soil Containing Petroleum Hydrocarbons > 100 mg/kg Prior <br /> to Site Remediation <br />' FIGURE 7 TPH as Gasoline Isoconcentration Map - March 3, 1989 <br /> Annendices_ <br />' APPENDIX A Calculations of Hydrocarbons Removed vs. Hydrocarbons Remaining <br />