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TABLE OF CONTENTS <br /> Page <br /> 10 INTRODUCTION . . . . . 1 <br /> 1.1 Background . . . . . . . . . . . . . . . . . 1 <br /> . . . . . <br /> 2,0 SITE CHARACTERISTICS . . . . . . 7 <br /> 21 Physiographic Location . . . . . . . 8 <br /> 22 Site Lithology . . 8 <br /> 23 Site Hydrology . . . . . . . . . . . . . . . 9 <br /> 30 SOIL INVESTIGATION . . . . . . . . 9 <br /> 3 1 Soil Sample Analysis . . . . . . . . 9 <br /> 3.2 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 Acton . . 18 <br /> 60 PROPOSED REMEDIAL ALTERNATIVE , , 18 <br /> 6 1 System Design Considerations 18 <br /> I Ioioaa 1 <br />