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I <br /> lie <br /> ' TABLE OF CONTENTS <br /> I <br /> 1.0 INTRODUCTION... •• 1 <br /> 2 0 PROJECT BACKGROUND 1 <br /> 2 1 SHELL OIL SITE 2 <br /> 2 2 EXXON MOBIL AND 7-ELEVEN SITES 3 <br /> 3 0 FIELD AND ANALYTICAL METHODS 5 <br /> 3 1 SITE PREPARATION 5 <br /> 3 2 TRAFFIC SAFETY PROCEDURES 5 <br /> 3 3 DIRECT PUSH SOIL BORING PROCEDURES 5 <br /> 3 3 1 Groundwater Sampling 6 <br /> 3 4 LABORATORY ANALYSES b <br /> 4 0 INVESTIGATION RESULTS 6 <br /> ' 4 1 FIELD OBSERVATIONS b <br /> 4 2 LABORATORY ANALYTICAL RESULTS b <br /> 5 0 DISCUSSION OF GEOPROBE RESULTS 7 <br /> 6 0 STORM DRAIN VIDEO SURVEILLANCE RESULTS . . . . . ...... ..7 <br /> 70 CONCLUSIONS . . ... .. .... ... . .. . .. 8 <br /> • 8 0 LIMITATIONS ...... ... .... 9 <br /> APPENDICES <br /> APPENDIX A <br /> Figure 1 Vicinity Map <br /> Figure 2 Geoprobe Sample Locations and Groundwater Gradient Map <br /> Figure 3 TBA Isoconcentration Contour Map <br /> Figure 4 TAME Isoconcentration Contour Map <br /> APPENDIX B <br /> Laboratory Analytical Reports <br /> Chain-of-Custody Forms <br /> ' APPENDIX C <br /> Shell Oil site groundwater morutonng tables <br /> Exxon Mobil and 7-Eleven sites groundwater morutonng tables <br /> ' Geologic Cross-Section <br /> APPENDIX D <br /> Encroachment Permits <br /> Drilling Permits <br /> APPENDIX E <br /> Storm Drain Video Surveillance Report <br /> • <br /> �ah� CONDOR <br />