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1 <br /> Quarterly Report - Fourth Quarter 2002 <br />' LARRY'S AUTO <br /> 308 North Grant Street, Stockton,California <br />' TABLE OF CONTENTS <br /> SECTION PAGE <br />' 10 INTRODUCTION 1 <br />' <br /> 20 PROCEDURES 1 <br /> 21 WELL MONITORING AND PURGING 1 <br /> 22 COLLECTION OF GROUND WATER SAMPLES 2 <br />' 30 FINDINGS 2 <br /> 31 GROUND WATER GRADIENT AND FLOW DIRECTION 2 <br />' 32 ANALYTICAL RESULTS OF WATER SAMPLES 3 <br /> 40 SUMMARY AND CONCLUSIONS 3 <br /> 50 RECOMMENDATIONS 4 <br /> 60 LIMITATIONS 5 <br /> lie FIGURES <br /> Figure 1 -Location Map <br /> Figure 2 -Ground Water Elevation Map <br /> Figure 3 - Total Petroleum Hydrocarbons Map <br /> Figure 4 -Benzene Concentrations Map <br /> Figure 5 -MTBE and 1,2 DCA Concentrations Map <br /> rTABLES <br /> Table 1 - Ground Water Elevations <br /> Table 2 -Analytical Results of Ground Water Samples <br /> Table 3 _Analytical Results of Ground Water Samples(EPA Method 8240/8260) <br /> Table 4- Ground Water Flow Direction and Gradient <br /> IAPPENDICES <br /> Appendix A-Site Background Information <br /> I Appendix B -Field Logs <br /> Appendix C -Laboratory Report <br /> Advanced GeoEnviranmental,Inc. <br />