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' Site Conceptual Model <br /> LATHROP GAS AND FOOD MART <br /> ' 14800 South Highway 99, Manteca, California <br /> TABLE OF CONTENTS <br /> 1 <br /> SECTION PAGE <br /> 1.0. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0. BACKGROUND . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 21 REGIONAL GEOLOGICIHYDROGEOLOGIC SETTING 1 <br /> n <br /> 22 SITE HISTORY 2 <br /> 3.0. SOIL PROPERTIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> ' 4.0. PETROLEUM HYDROCARBON-IMPACTED SOIL AND GROUND WATER . 4 <br /> ' S.O. ESTIMATED MASS OF PETROLEUM HYDROCARBONS . . . . . . . . . . . . . . . . . . 5 <br /> 6.0. SITE CONCEPTUAL MODEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> ' 7.0. FATE AND TRANSPORT ANALYSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> ' 8.0. SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . 8 <br /> 9.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> 10.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 <br /> ' 11.0. REFERENCES . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 <br /> 1 FIGURES <br /> Figure I -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 -Hydrocarbon-Impacted Soil Plume Cross Section A-A' <br /> Figure 6 -Hydrocarbon-Impacted Soil Plume Cross Section B-B' <br /> ' Figure 7 - TPH Concentrations in Soil <br /> Figure 8 - TPH Concentrations in Ground Water <br /> ' Advanced GcoEnvironmental,Inc <br />