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N� rp <br /> • Quarterly Report - First Quarter 2004 <br /> WEST CLAY PROPERTIES <br /> 639 West Clay Street, Stockton, California <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> 1.0. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0. PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2 1 QUARTERLY GROUND WATER MONITORING 1 <br /> 2 1 1 Well Monitoring and Evacuation 1 <br /> 2 12 Collection and Analysis of Ground Water Samples 2 <br /> 3.0. FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 31 GROUND WATER GRADIENT AND FLOW DIRECTION 3 <br /> 32 ANALYTICAL RESULTS OF WATER SAMPLES 3 <br /> 4.0. SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 5.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 6.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> FIGURES <br /> Figure 1 -Location Map <br /> Figure 2 - Site Plan <br /> Figure 3 - Shallow Ground Water Elevations <br /> Figure 3 -Deep Ground Water Elevations <br /> Figure 5 - Shallow Ground Water Contamination Plume <br /> Figure 6 -Deep Ground Water Contamination Plume <br /> TABLES <br /> Table 1 - Ground Water Elevations <br /> Table 2 -Analytical Results of Ground Water Samples - TPH and BTEX <br /> Table 3 -Analytical Results of Ground Water Samples-EPA Methods 8260B <br /> Table 4 -Analytical Results of Historical Ground Water Samples - TPH and BTEX <br /> Table 5 -Analytical Results of Historical Ground Water Samples - 8260B <br /> Advanced GeoEnvtronmental,Inc <br />