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IQuarterly Report- Fourth Quarter 2002 <br /> • WEST CLAY PROPERTIES <br />' 639 West Clay Street, Stockton, California <br /> TABLE OF CONTENTS <br /> 1 SECTION PAGE <br />' 1.0. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0. PROCEDURES . . . . . ' . . ' . 1 <br />' 2 1 , MONITORINGWELL INSTALLATION. . . . . . . . ' . . . . . . . . . • 1 <br /> 2 1 1 Drilling and Soil Sampling 1 <br />' 212 Logging 2 <br /> 2 1 3 Laboratory Analyses of Soil Samples 2 <br /> 2 1 4 Well Completions 2 <br />' 2 1 5 Monitoring Well Development 3 <br /> 22 QUARTERLY GROUND WATER MONITORING 3 <br /> 2 2 1 Well Monitoring and Evacuation 3 <br />' 23 Collection and Analysis of Ground Water Samples 4 <br /> 3.0. FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br />' . 31 STRATIGRAPHY 4 <br /> 32 ANALYTICAL RESULTS OF SOIL SAMPLES 5 <br /> 33 GROUND WATER GRADIENT AND FLOW DIRECTION - 5 <br />' 34 ANALYTICAL RESULTS OF WATER SAMPLES 5 <br /> 4.0. SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br />' 5.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . , . • • 7 <br /> 6.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br />' FIGURES <br />' FIGURE 1 -Location Map <br /> FIGURE 2 - Site Plan <br /> FIGURE 3 - Geologic Cross Section A -A ' <br />' FIGURE 4 - Geologic Cross Section B -B' , <br /> FIGURE 5 - Ground Water Elevations <br /> FIGURE 6 -Shallow Ground Water Contamination Plume <br />' FIGURE 7 -Deep Ground Water Contamination Plume <br />' Advanced GeoEnvironmental,Inc <br />