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TABLE OF CONTENTS <br /> Page <br /> 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 1.1 Purpose and Scope of Work . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . I <br /> 1.2 Site Location and Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I <br /> 1.3 Project Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . 1 <br /> 1.4 Potential Offsite Sources of Contamination . . . . . . . . . . . . . .. . . . . . . . . . 2 <br /> 1.5 Regional Geology and Hydrogeology . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 2.0 FIELD METHODS . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 3 <br /> 2.1 Drilling and Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> ff 2.2 Monitoring Well Installation and Construction . . . . . . . . . . . . . . .I . . . . . . 3 <br /> 2.3 Monitoring Well Development and Sampling . . . . . . . . . . . . . . . . . . . . . 3 <br /> 2.4 Groundwater Level Monitoring and Well Surveying . . . . . . . . . . . . . . . . 3 <br /> 3.0 SITE GEOLOGY AND HYDROGEOLOGY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 4.0 ANALYTICAL METHODS.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 5.0 DISCUSSION OF RESULTS . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 <br /> .7 <br /> REFERENCES <br /> TABLES <br /> -1 Summary of Results of Groundwater Sampling <br /> 2 Summary of Results of Soil Sampling. <br /> J <br /> FIGURES <br /> 1 Site Vicinity Map <br /> 2 Site Plan <br /> 3 Potentiometric Groundwater Elevation Contour Map <br /> 4 Hydrogeologic Cross-sections A-A' and B-B' <br /> 5 Concentrations of Petroleum Hydrocarbons in Groundwater <br /> is <br /> r. APPENDICES <br /> A Permits <br /> B Field Procedures for Soil Boring Drilling and Sampling <br /> and Groundwater Monitoring Well Installation <br /> C Boring Logs and Well Construction Details <br /> D Field Procedures for Groundwater Monitoring Well Development and Sampling, and <br /> Elevation Survey Map <br /> E Well Development and Water Sampling Field Survey Forms <br /> F Field Procedures for Chain of Custody Documentation, Official Laboratory Reports, <br /> and Chain of Custody Records <br /> N <br />