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TABLE OF CONTENTS <br /> Page <br /> Soil Vapor Extraction Rate and Expected Radius of <br /> Vacuum Influence 4-2 <br /> VOC Mass in Vadose Zone Soil and the Expected Mass <br /> Removal Rate 4-3 <br /> Technical Design Basis for Floating Product Removal 4-4 <br /> Technical Design Basis for A-Zone Ground Water Remediation 4-5 <br /> Ground Water Plume Margin Control 4-5 <br /> Ground Water Plume Containment 4-6 <br /> Remediation Objectives 4-8 <br /> Treatment Objectives 4-8 <br /> Extracted Ground Water Treatment Objective 4-9 <br /> Extracted Soil Vapor Treatment Objective 4-10 <br /> Soil Vapor and Ground Water Monitoring Objectives 4-11 <br /> Remediation of Vadose Zone Soil at the Tracy Yard 4-12 <br /> A-Zone Ground Water Plume Control 4-12 <br /> SECTION 5 <br /> DESCRIPTION OF THE TREATMENT SYSTEM 5-1 <br /> Extraction System 5-1 <br /> Dual Phase Extraction Wells 5-1 <br /> Soil Vapor Extraction Wells 5-2 <br /> Plume Margin Ground Water Extraction Wells 5-2 <br /> Extraction System Process Piping 5-3 <br /> Treatment System 5-4 <br /> Vapor/Liquid Separator Subsystem 5-4 <br /> High Vacuum Extraction Pump Subsystem 5-5 <br /> Vapor Treatment Subsystem 5-5 <br /> Oil/Water Separator Subsystem 5-5 <br /> Ground Water Treatment Subsystem 5-6 <br /> Reinjection System 5-7 <br /> ii <br />