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TABLE OF CONTENTS <br /> Pale <br /> LIST OF FIGURES iv <br /> LIST OF TABLES v <br /> SECTION 1 <br /> INTRODUCTION 1-1 <br /> Remedial Action Objectives 1-1 <br /> Description of Remedial Action 1-1 <br /> Site Description and History 1-2 <br /> Report Organization 1-3 <br /> SECTION 2 <br /> SUMMARY OF SITE CHARACTERIZATION AND EXISTING <br /> REMEDIAL ACTIVITIES 2-1 <br /> Site Characterization 2-1 <br /> Hydrogeology 2-1 <br /> Nature and Extent of Impact 2-2 <br /> Summary of Soil Impacts in the Vadose Zone 2-2 <br /> Ground Water Impacts 2-3 <br /> Existing Ground Water Extraction System 2-3 <br /> Pilot Testing 2-4 <br /> SECTION 3 <br /> DUAL PHASE EXTRACTION TECHNOLOGY DESCRIPTION 3-1 <br /> Description of the Arrangement of the Dual Phase Extraction <br /> Well and the Extraction Tube 3-2 <br /> Conceptual Plan for Dual Phase Extraction at the Tracy Yard 3-2 <br /> SECTION 4 <br /> OBJECTIVES AND DESIGN BASIS FOR THE REMEDIAL ACTION 4-1 <br /> Overall Objectives of the Remedial Action 4-1 <br /> Technical Design Basis for Vadose Zone Remediation 4-1 <br /> i <br />