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TABLE OF CONTENTS <br /> ` Page <br /> 10 INTRODUCTION . . . . . . . . . . . . . . . . 1 <br /> I 1 Background . . 1 <br /> { <br /> 20 SITE CHARACTERISTICS . . . . . . . . . . . . . . 7 <br /> # <br /> 21 Physiographic Location . . . . . . . . . . 8 <br /> 22 Site Lithology . . . . . . . . . . . . . . . 8 <br /> 23 Site Hydrology . . . . . . . . . . . . 9 <br /> I <br /> 30 SOIL INVESTIGATION . . . . . . 9 <br /> 3 1 Soil Sample Analysis . . . . . . . . . 9 <br /> 32 Soil Sampling and Vadose Zone Well Construction Procedures 10 <br /> 40 ESTIMATED EXTENT OF IMPACTED SOIL 11 <br /> 50 POTENTIAL REMEDIAL TECHNOLOGIES 13 <br /> 5 1 Excavation, Transportation and Disposal . . 13 <br /> 52 In-Situ Soil Vapor Extraction - 16 <br /> 5 2 1 Extraction Techniques - 16 <br /> 5 2 2 Vapor Treatment Technologies 16 <br /> 5 3 In-Situ Bioremediation 17 <br /> 54 No Action . . . . 18 <br /> 6 0 PROPOSED REMEDIAL ALTERNATIVE 18 <br /> 6 1 System Design Considerations . . . 18 <br /> i <br /> 1 L IOEcd 1 <br />