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1 <br />' TABLE OF CONTENTS <br /> Eau <br /> 10 INTRODUCTION AND SCOPE OF WORK 1 <br />' 20 BACKGROUND 1 <br /> 21 SITE DESCRIPTION 1 <br />' 2 2 REGIONAL GEOLOGIC SETTING 1 <br /> 23 PRELIMINARY SITE ASSESSMENT ACTIVITIES 2 <br /> 24 RECEPTOR WELL SURVEY 4 <br /> 30 IN-SITU AIR SPARGING PILOT TEST 4 <br />' 31 PROCEDURES 4 <br /> 3 1 1 System Installation and Set-Up 4 <br /> 3 12 Field Measurements And Data Collection 5 <br />' <br /> 32 RESULTS OF IN-SITU AIR SPARGING PILOT TEST 5 <br /> 3 2 1 Induced Pressure 5 <br /> 3 2 2 Dissolved Oxygen 5 <br /> I3 2 3 Ground Water Depth 6 <br /> 40 SOIL VAPOR EXTRACTION PILOT TEST 6 <br /> lie 4 1 SOIL VAPOR EXTRACTION SYSTEM 6 <br /> 42 PILOT TEST PROCEDURES 6 <br />' <br /> 43 COLLECTION AND ANALYSIS OF SOIL GAS SAMPLES 7 <br /> 44 RESULTS OF VAPOR EXTRACTION PILOT TEST 7 <br /> 45 ANALYTICAL RESULTS OF EXTRACTED SOIL GAS SAMPLES S <br />' 50 ASSESSMENT OF HYDROCARBON-IMPACTED SOIL AND GROUND WATER 8 <br />' 60 POTENTIAL IMPACT ON NEARBY SURFACE AND GROUND WATER 9 <br /> 70 SOIL REMEDIATION ALTERNATIVES 9 <br />' <br /> 71 SOIL VAPOR EXTRACTION 9 <br /> 71I Principles 9 <br /> 7 1 2 Required Soil Conditions 10 <br /> I71 3 Monitoring Activities 11 <br /> 714 Feasibility 11 <br /> 715 Duration 12 <br /> 71 6 Estimated Cost Of Soil Vapor Extraction 12 <br /> 72 EX-SITU TREATMENT OF IMPACTED SOIL 12 <br /> 7 2 1 Excavation 12 <br /> 7 2 2 Feasibility Of Excavation 13 <br /> 7 2 3 Estimated Costs For Excavation 13 <br />