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TABLE OF CONTENTS <br /> SECTION PAGE <br /> 1. Introduction..........................................................................................................................l <br /> 2. Site Background...................................................................................................................2 <br /> 2.1 Site Description...........................................................................................................2 <br /> 2.2 Regional Geology.......................................................................................................2 <br /> 2.3 Site Geology................................................................................................................6 <br /> 2.4 Regional Groundwater Flow.......................................................................................6 <br /> 2.5 Site Groundwater........................................................................................................7 <br /> 2.6 Previous Remedial Activities......................................................................................8 <br /> 3. Scope of Work...................................................................................................................12 <br /> 3.1 Pre-Removal Activities.............................................................................................13 <br /> 3.2 Underground Clearance............................................................................................14 <br /> 3.3 Mobilization and Security.........................................................................................14 <br /> 3.4 Groundwater Sampling.............................................................................................14 <br /> 3.5 Delineation Sampling................................................................................................15 <br /> 3.6 Removal Activities....................................................................................................17 <br /> 3.7 Confirmation Sampling.............................................................................................19 <br /> 3.8 Site Restoration ........................................................................................................20 <br /> 3.9 Waste Disposal..........................................................................................................24 <br /> 4. Project Organization..........................................................................................................25 <br /> 5. Project Schedule.................................................................................................................27 <br /> 6. References..........................................................................................................................28 <br /> FIGURES <br /> 1 Site Vicinity Map.................................................................................................................4 <br /> 2 Site Location Map................................................................................................................5 <br /> 3 Impacted Area#1 Previous Sampling Locations and Concentrations...............................10 <br /> 4 Impacted Area#2 Previous Sampling Locations and Concentrations...............................1 l <br /> 5 Groundwater and Soil Sampling Locations ......................................................................16 <br /> 6 Excavation#1 Confirmatory Sampling Locations.............................................................22 <br /> 7 Excavation#2 Confirmatory Sampling Locations.............................................................23 <br /> APPENDICES <br /> Appendix A ECC Laboratory Results <br /> Appendix B Calscience Laboratory Results <br /> Appendix C Sampling Analysis Plan <br /> Appendix D Health and Safety Plan <br /> Rough&Ready Island i Tetra Tech,Inc. <br /> Revised Draft Work Plan November 18, 1998 <br />