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i <br /> Monitoring Well Re-Installation & Quarterly Report - Second Quarter 2004 <br /> LANGSTON'S MARKET <br /> f15615 South 7" Street, Lathrop, California <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> I1.0. INTRODUCTION . . . . . . . . . . . . . . . . 1 <br /> I2.0 PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 21 MONITORING WELL DESTRUCTION 1 <br /> 22 MONITORING WELL RE-INSTALLATION 1 <br /> 2 2 1 Soil Boring 2 <br /> 2 2 2 Monitonng Well Installation 2 <br /> 2 2 3 Well Head Survey 2 <br /> 2 2 4 Monitoring Well Development 2 <br /> 23 QUARTERLY GROUND WATER MONITORING 3 <br /> 2 3 1 Well Monitoring and Evacuation 3 <br /> 2 3 2 Collection and Analysis of Ground Water Samples 3 <br /> • 3.0 FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 31 GROUND WATER GRADIENT AND FLOW DIRECTION 4 <br /> 3 2 ANALYTICAL RESULTS OF GROUND WATER SAMPLES 4 <br /> 4.0. SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> I50 RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 6.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> IFIGURES <br /> Figure 1 -Location Map <br /> Figure 2 - Site Plan <br /> Figure 3 -Monitoring Well Diagram <br /> Figure 4 - Ground Water Elevation <br /> Figure 5 -Dissolved TPH-g <br /> Figure 6 -Dissolved Benzene <br /> IAdvanced CeoEnvnronmental,Inc <br />