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1 <br />' Cone Penetrometer ort Testing/Site/Site Assessment Re <br /> • g P <br /> THRIFTY OIL COMPANY STATION 4171 <br />' 1250 North Wilson Way, Stockton, California <br />' TABLE OF CONTENTS <br />' SECTION PAGE <br /> 10. INTRODUCTION .............. ............................................. ... ............ ................ ........... I <br />' 2.0. PROCEDURES ................... . ........... ... ........... .. .... ............................................... ..... 1 <br /> 21 CPT LITHOLOGIC INVESTIGATION 1 <br />' <br /> 22 SOIL AND GROUNDWATER SAMPLE COLLECTION 2 <br /> 2 2 1 Soil Sample Collection 2 <br /> 2 2 2 Groundwater Sample Collection 3 <br />' 2 2 3 Equipment Decontamination and Boring Abandonment 4 <br /> 23 GROUNDWATER AND SOIL SAMPLE ANALYSIS 4 <br /> 3.0. FINDINGS ..... .......................................................... ..... ......................................... . 4 <br /> 31 STRATIGRAPHY 4 <br /> 32 LABORATORY RESULTS OF GRAB GROUNDWATER <br /> AND SOIL SAMPLES 5 <br /> 3 2 1 Soil Samples Analytical Results 5 <br /> 3 2 2 Grab Groundwater Analytical Results 6 <br /> I4.0 SUMMARY AND CONCLUSIONS . ................................................ .. .... ... . .. ... .. .. 6 <br /> 5.0. RECOMMENDATIONS ...... ..................................................... ...... ................ ... .. ... 7 <br /> 6.0. LIMITATIONS ................................... ..... .. ... .... ................................ ...... .................. 7 <br /> FIGURES <br /> Figure I -Location Map <br /> Figure 2 - Site Plan <br /> Figure 3 - Geologic Cross Section AA ' <br /> Figure 4 - TPH-g in Soil Cross Section AA ' <br /> Figure 5 - TPH-g in Groundwater Cross Section AA ' <br /> Figure 6 -Benzene in Groundwater Cross Section AA ' <br /> • <br /> IAdvanced GeoEnvironmental,Inc <br />