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' CONTENTS <br /> 1 introduction 1 - 1 <br /> 2 Background 2 - 1 <br /> 2.1 Removal of Tanks C-14 South, C-14 North, and WO-4 2 - 1 <br /> 2.2 Removal of Tank C-12 2 - 1 <br />' 2.3 Ground-water Characterization 2 - 2 <br /> 3 Soil and Ground-water Characterization 3 - 1 <br />' 3.1 Exploratory Soil Borings 3 - 1 <br /> 3.2 Monitoring Well Installation 3 - 2 <br />' 3.3 Well Development and Ground-water Sampling 3 - 3 <br /> 3.4 Sample Analysis 3 - 3 <br /> 3.5 Analytical Results 3 - 3 <br /> 3.6 Well Elevation Survey 3 - 4 <br /> 4 - 1 <br />' 4.1 Soil 4 - 1 <br /> 4.2 Ground Water 4 - 1 <br />' 5 Soil Vapor Extraction Test 5 _ 1 <br /> 5.1 Site-specific Procedures 5 1 <br /> 5.2 SVET Results 5 - 2 <br /> i <br /> 6 Conclusions and Recommendations fi _ 1 <br /> 6.1 Soil 6 - 1 <br /> 1I <br /> 6.2 Ground Water 6 - 3 <br /> 7 Proposed Corrective Action 7 - 1 <br /> 7.1 Soil Remediation Alternatives 7 - 1 <br /> 7.1.1 Performance Criteria 7 - 2 <br /> 7.1.2 Air Abatement Technology Evaluation 7 - 3 <br />' 7.2 Ground-water Remediation Alternatives 7 - 3 <br /> I <br /> 8 Implementation Activities and Schedule 8 - 1 <br /> i <br /> pj010#9010#900020.1 ag j Rev. 0 December 15, 1992 <br /> i <br />