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TABLE OF CONTENTS <br /> 1. INTRODUCTION................................................................................................................................... 1 <br /> 2. BACKGROUND.....................................................................................................................................2 <br /> 2.1 Location and Site Description..................................................................................................2 <br /> 2.2 Historical and Existing Pipelines.............................................................................................2 <br /> 2.3 Hydrogeologic Setting.............................................................................................................2 <br /> 2.4 Existing and Planned Development.........................................................................................3 <br /> 2.5 Previous Environmental Activities ..........................................................................................3 <br /> 3. OBJECTIVE AND SCOPE.....................................................................................................................3 <br /> 3.1 Permitting,Access, and Site Safety.........................................................................................3 <br /> 3.2 Field Investigation Activities...................................................................................................4 <br /> 3.3 Quality Assurance/Quality Control and Data Usability...........................................................5 <br /> 3.4 Investigation-Derived Waste....................................................................................................5 <br /> 4. FINDINGS...............................................................................................................................................5 <br /> 4.1 DWR File Review....................................................................................................................5 <br /> 4.2 Subsurface Conditions.............................................................................................................5 <br /> 4.3 Soil Analytical Results.............................................................................................................6 <br /> 4.4 Groundwater Analytical Results..............................................................................................6 <br /> 4.5 Data Usability Summary..........................................................................................................6 <br /> 4.6 Fuel-Fingerprint Results ..........................................................................................................6 <br /> 5. DISCUSSION OF PETROLEUM DISTRIBUTION..............................................................................6 <br /> 5.1 Extent of Affected Soil ............................................................................................................6 <br /> 5.1.1 Distribution in Soil......................................................................................................6 <br /> 5.2 Extent of Affected Groundwater..............................................................................................7 <br /> 5.2.1 Distribution in Groundwater.......................................................................................7 <br /> 5.2.2 Suitability of the Groundwater for Drinking...............................................................8 <br /> 6. CONCLUSIONS AND RECOMMENDATIONS ..................................................................................8 <br /> 7. REFERENCES ........................................................................................................................................9 <br /> FIGURES <br /> Figure 1 Vicinity Map <br /> Figure 2 Site Map <br /> Figure 3 Soil and Groundwater Analytical Results <br /> Figure 4 Proposed Boring Locations <br /> TABLES <br /> Table 1 Water Well Survey Results <br /> Table 2 Summary of Soil Analytical Results (TPHc and BTEX) <br /> Table 3 Summary of Soil Analytical Results(PAHs) <br /> Table 4 Summary of Groundwater Analytical Results (TPHd and BTEX) <br /> Table 5 Summary of Groundwater Analytical Results (PAHs) <br /> i <br /> from science roSolurions <br />