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' Quarterly Report - First Quarter 2004 <br /> LANGSTON'S MARKET <br /> I15615 South 7t" Street, Lathrop, California <br /> TABLE OF CONTENTS <br /> 1 <br /> SECTION PAGE <br />' <br /> 10. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br />' 2.0. PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 21 SOIL PROBE BORING ADVANCEMENT AND SAMPLING 1 <br /> 2 1 1 Soil Probe Boring Advancement 1 <br />' 2 1 2 Soil Sample Collection 2 <br /> 2 1 3 Grab Ground Water Collection 2 <br />' 2 1 4 Laboratory Analysis of Soil and Grab Ground Water Samples 2 <br /> 2 1 5 Borehole Abandonment 3 <br /> 22 QUARTERLY GROUND WATER MONITORING <br />' 2 2 1 Well Monitoring and Evacuation 3 <br /> 2 2 2 Collection and Analysis of Ground Water Samples 4 <br /> lie <br /> 3 0. FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 31 STRATIGRAPHY 4 <br /> 32 ANALYTICAL RESULTS OF SOIL SAMPLES 4 <br />' 3 3 ANALYTICAL RESULTS OF GRAB GROUND WATER SAMPLE 5 <br /> 34 GROUND WATER GRADIENT AND FLOW DIRECTION 5 <br /> 3 5 ANALYTICAL RESULTS OF GROUND WATER SAMPLES 5 <br />' 4.0. SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br />' 5.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 6.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 1 <br />' FIGURES <br /> Figure 1 -Location Map <br />' Figure 2 - Site Plan <br /> Figure 3 - Geologic Cross-Section A-A ' <br /> Figure 4 -Petroleum Hydrocarbon-Impacted Soil A-A' <br />' Figure 5 - Ground Water Elevation <br /> Figure 6 - Hydrocarbon-Impacted Ground Water <br /> I <br />