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TABLE OF CONTENTS <br /> 1 0 INTRODUCTION 2 <br /> 20 SITE DESCRIPTION 2 <br /> ' <br /> 21 Physical and Chemical Characteristics of the Contaminants 2 <br /> 22 Hydrogeologic Characteristics <br /> 30 BACKGROUND SUMMARY 3 <br /> 3 1 Impacted Soil 6 <br /> 32 Impacted Groundwater Plume 6 <br /> ' <br /> 40 REMEDIAL ACTION ALTERNATIVES <br /> 7 <br /> 41 Feasible Remediation Alternatives for Soil 7 <br /> ' 4 1 1 Excavation and Ex-Situ Treatment 7 <br /> 4 1 2 Soil Vapor Extraction g <br /> ' 4 1 3 Passive Bio-Remediation for Soil (No Further Action) 8 <br /> 42 Feasible Remediation Alternatives for Groundwater 8 <br /> 4 2 1 Groundwater Extraction 9 <br /> 4 2 2 Groundwater Extraction With Air Sparging 9 <br /> 4 2 3 Passive Bio-Remediation for Groundwater (No Further Action) 9 <br /> 1 <br /> 50 PROPOSED REMEDIATION TECHNOLOGY 9 <br /> 5 1 Groundwater/SVE Co-Extraction Wells 10 <br /> 52 Treatment of Extracted Soil Vapor 11 <br /> ' S 3 Treatment of Extracted Groundwater 11 <br /> 54 Dual-Phase SVE and Groundwater Treatment System 12 <br /> 60 PROPOSED CLEANUP GOALS 12 <br /> ' 70 SCOPE OF WORK 13 <br /> 80 TENTATIVE SCHEDULE 16 <br /> ' 90 CERTIFICATION 16 <br /> 100 DISTRIBUTION 17 <br /> OST <br /> 701-1-2 cap <br />