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• Site Assessment Work Plan <br /> VANCO TRUCK & AUTO PLAZA <br /> 1033 West Charter Way, Stockton, California <br /> TABLE OF CONTENTS <br /> SECTION ,- - _ _ _ _ PAGE , ,y i <br /> 10 INTRODUCTION . . . . . . . . . . . . . . . . . . 1 <br /> 2.0. BACKGROUND . . . . . . . . . . . . . . . . . 1 <br /> 21 REGIONAL GEOLOGIC/HYDROGEOLOGIC SETTING 1 <br /> 22 UNDERGROUND STORAGE TANK PIPING REMOVAL 2 <br /> 3.0. SCOPE OF WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 31 PERMITTING AND PRE-FIELD WORK ACTIVITIES 3 <br /> 32 CPT DRILLING AND SAMPLE COLLECTION 3 <br /> 3 3 ' INSTALLATION OF MONITORING WELLS 4 <br /> 3 3 1 Drilling and Soil Sample Collection 4 <br /> 3 3 2 Monitoring Well Installation, Development and Survey 5 _ <br /> 3 3 3 GROUND WATER SAMPLING AND ANALYSIS 5 <br /> 34 REPORT PREPARATION 5 <br /> 40. FIELD PROCEDURES . . . . . . . . . . . . . . 6 <br /> 41 CPT SOIL BORINGS 6 - <br /> 42 <br /> -42 MONITORING WELL INSTALLATION 7 <br /> 4 2 1 Well Completion and Well Elevation Survey 7 <br /> 4 2 2 Well Development 8 <br /> 43 GROUNDWATER SAMPLING PROCEDURES 8 <br /> 43 1 Static Water Level Measurements 8 <br /> 4 3 2 Well Evacuation 9 <br /> 4 3 3 , Sample Withdrawal 9 <br /> 4 3 4 Sample Handling 9 <br /> r 4 4 EQUIPMENT DECONTAMINATION 9 <br /> FIGURES <br /> v Figure 1 -Location Map 4 <br /> Figure 2 -Site Plan <br /> Figure 3 -Adsorbed TPH-d in soil <br /> Figure 4 -Dissolved TPH-d to soil <br /> Figure 5 -Monitoring Well Diagram ' <br /> TABLES <br /> Table 1 -Analytical Results of Soil Samples <br /> Table 2 -Analytical Results of Ground Water Samples <br /> 3 ' <br /> l <br />