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. Quarterly Report - Fourth Quarter 2003 <br /> HERMAN AND HELEN'S MARINA <br /> 15135 Eight Mile Road, Stockton, California <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> 1.0. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0. PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2 1 WELL MONITORING AND EVACUATION 1 <br /> 22 COLLECTION AND ANALYSIS OF GROUND WATER SAMPLES 2 <br /> 23 COLLECTION AND ANALYSIS OF SURFACE WATER SAMPLES 2 <br /> 3.0. FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 31 GROUND WATER GRADIENT AND FLOW DIRECTION 3 <br /> 3 2 ANALYTICAL RESULTS OF GROUND WATER SAMPLES 3 <br /> 3 3 ANALYTICAL RESULTS OF SURFACE WATER SAMPLES 4 <br /> 4.0 ANNUAL SITE ASSESSMENT ACTIVITIES . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 41 SUBSURFACE INVESTIGATIONS 4 <br /> 42 GROUND WATER MONITORING 5 <br /> 4 2 1 Ground Water Flow Direction and Gradient 5 <br /> 4 2 2 Analytical Results of Ground Water Samples 5 <br /> 4 2 3 Analytical Results of Surface Water Samples 6 <br /> 5.4 SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 6.4. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 7.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> FIGURES <br /> Figure 1 -Location Map <br /> Figure 2 - Site Plan <br /> Figure 3 - Ground Water Elevation Map <br /> Figure 4 - Ground Water Elevation Map <br /> Figure 5 - TPH-g Iso-concentration Map <br /> Figure 6 -MTBE Iso-concentration Map <br /> • Figure 7 - Benzene Iso-concentration Map <br /> Advanced Geo Environmental,Inc <br />