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TABLE OF CONTENTS <br /> 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> 1,0 SITE BACKGROUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 3.0 FIELD AND ANALYTICAL METHODOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 3.1 Site Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> I 3.2 Drilling Procedures . . . . . ' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . h <br /> 3.3 Monitor Well Construction 7 <br /> 3.4 Monitor Well Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> I 3.5 Well Collar Survey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 3.6 Groundwater Sampling 9 <br /> 3.7 Laboratory Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> 4.0 INVESTIGATION RESULTS . . . . . . . . . . 10 <br /> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> 4.1 Field Observations / Site Geology 10 <br /> 4.2 Laboratory Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 <br />' 4.3 Groundwater Elevation Contours . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 <br /> 5.0 CONCLUSIONS/RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 <br /> APPENDIX A <br /> Figure I Location Map <br /> Figure 2 Site Pian with Monitor Well Locations <br />' Figure 3 Previous Investigations - Geoprobe and Hydropunch Locations <br /> Figure 4 Monitor Well N1W-1 Construction Diagram <br /> Figure 5 Monitor Well MW-2 and MW-3 Construction Diagram <br />' Figure ti Monitor Well MW-4 Construction Diagram <br /> Figure 7 Soil Analytical Results - September 10, 1997 <br /> Figure 8 Groundwater Analytical Results - September 18, 1997 <br /> Figure 9 Ground%vater Elevation Contour Map - September 18, I997 <br />' Figure 10 Cross-Section A - A' Location Map <br /> Figure I1 Cross-Section A - A <br />' APPENDIX B <br /> Drilling Logs <br /> APPENDIX C <br />' Field Logs: Groundwater Monitoring, Well Development, and Field Measurement <br />' APPENDIX D <br /> Laboratory Analytical Results/Chain of Custody Records <br />' L� CONDOR <br />