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i <br /> • FIRE STATION #2 <br /> i 110 West Sonora Street, Stockton, California <br /> TABLE OF CONTENTS <br /> Page <br /> i1.0. INTRODUCTION AND SCOPE OF WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> i 2.0. PROCEDURES . . . . . . . . . . . . . . . . . . . 1 <br /> 21 SOIL-VAPOR/IN-SITU AIR SPARGING PROCEDURES 1 <br /> 2 2 WELL MONITORING AND EVACUATIONS 2 <br /> i23 GROUND WATER SAMPLE COLLECTION 3 <br /> 3.0 FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 31 SOIL-VAPOR EXTRACTION 3 <br /> 32 ANALYTICAL RESULTS OF SOIL-GAS VAPOR SAMPLES 4 <br /> i 3 3 MASS OF RECOVERED HYDROCARBONS 4 <br /> 34 GROUND WATER GRADIENT AND FLOW DIRECTION 4 <br /> 3 5 ANALYTICAL RESULTS OF GROUND WATER SAMPLES 4 <br /> 4.0. SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 5.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 6.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> FIGURES <br /> Figure I -Location Map <br /> Figure 2 -Site Plan <br /> Figure 3 - Ground Water Elevation Map <br /> I Figure 4 -Remediation Layout Map <br /> i <br /> TABLES <br />' Table 1 -Soil Vapor Extraction Data <br /> Table 2 -Analytical Results of Soil Vapor Samples <br />' Table 3 - Ground Water Data <br /> Table 4 -Analytical Results of Ground Water Samples-EPA 801518260 Modified <br /> Table 5 -Analytical Results of Ground Wate? Samples-EPA 8260 Modified <br />' APPENDICES <br />' Appendix A- Ground Water Monitoring Well Purge Data <br /> Appendix B -Laboratory Report of Soil Vapor Samples <br /> Appendix C -Mass and Volume Calculation for Soil Vapor <br /> Appendix D -Laboratory Report of Ground Water Samples <br /> Advanced GeoEnvironmental,Inc <br />