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. Quarterly Report- Fourth Quarter 2002 <br /> ' CHAPIN BROTHERS, INC. <br /> 1766 Monte Diablo Avenue, Stockton, California <br /> TABLE OF CONTENTS <br /> 1 . . . . . . . . . , . . . . . . .I,age <br /> 10. INTRODUC i--ON <br /> 2.0. PROCEDURES . . . . . . . . 1 <br /> 21 GROUND WATER TREATMENT OPERATION 1 <br /> 22 GROUND WATER TREATMENT MONITORJNG PROCEDURES 2 <br /> t <br /> 23 QUARTERLY GROUND WATER MONITORING AND SAMPLING 3 <br /> 2 3 1 Well Monitoring and Evacuation 3 <br /> 232 Ground Water Sample Collection and Analysts 3 <br /> ' 3 0. FINDINGS <br /> ' <br /> 31 GROUND WATER TREATMENT RESULTS 4 <br /> 3 1 1 Laboratory Analysis o1 Influent and Effluent Ground Watet Samples 4 <br /> 3 1 2 Mass-Volume Removal Calculations 5 <br /> ' 3 2 GROUND WATER MONITORING RESULTS 5 <br /> 3 2 1 Ground Water Elevations and Gradient S <br /> 3 2 2 Analytical Results of Ground Water Samples 5 <br /> 4.0 SUMMARY AND CONCLUSIONS . . , . . . . . 6 <br />' 5.0 RECOMMENDATIONS . . . . . . . . . . . . . . ' . . . . . . . . . . . 7 <br /> 6.0 LIMITATIONS . . . . . . . . . . '' <br /> FIGURES <br /> Figure 1 -Location Map <br /> Figure 2 -Site Plan <br /> Figure 3 - Ground Water Elevation Map <br />' TABLES <br /> Table 1 - Ground Water Elevation Data <br />' Table 2 -Analytical Results of Ground Water Samples- EPA Method 801 SMI8020 <br /> Table 3 -Analytical Results of Ground Water Samples -EPA Method 8260M <br /> Table 4-Analytical Results of Ground Water Treatment Samples -,EPA Method 801 SMI8020 <br />' APPENDICES <br /> Appendix A - Monitoring Well Field Logs <br />' Appendix B - Laboratory Report of Grab Treatment Water Samples <br /> Appendix C - Ground Water Treatment-Mass Calculations <br /> Appendix D -Laboratory Report of Ground Water Samples <br /> Advanced GeoEnvirounientel,Inc <br /> 1 <br />