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TABLE OF CONTENTS <br /> Page <br /> 10 INTRODUCTION AND SCOPE OF WORK I <br /> 20 BACKGROUND 1 <br /> 21 SITE LOCATION AND DESCRIPTION I <br />' 22 REMOVAL OF UNDERGROUND STORAGE TANKS 1 <br /> 23 REGIONAL GEOLOGICAL/HYDROGEOLOGICAL SETTING 2 <br /> 24 LOCAL GROUND WATER SETTING 2 <br />' 25 MUNICIPAL WELL SURVEY 2 <br />' 3 0 ASSESSMENT OF HYDROCARBON-IMPACTED SOIL AND GROUND WATER 3 <br /> 40 POTENTIAL IMPACT ON NEARBY SURFACE AND GROUND WATER 4 <br />' 50 SOIL REMEDIATION ALTERNATIVES 4 <br /> 51 SOIL VAPOR EXTRACTION 4 <br />' 511 PRINCIPLES 5 <br /> 5 12 REQUIRED SOIL CONDITIONS 6 <br /> 5 1 3 MONITORING ACTIVITIES 6 <br /> 514 FEASIBILITY 6 <br /> 515 DURATION 7 <br /> 5 1 6 ESTIMATED COST OF SOIL VAPOR EXTRACTION 7 <br />' 52 EX-SITU TREATMENT OF IMPACTED SOIL 7 <br /> 5 2 1 EXCAVATION 7 <br /> 5 2 2 FEASIBILITY OF EXCAVATION g <br /> 5 2 3 ESTIMATED COSTS FOR EXCAVATION g <br /> 53 IN-SITU BIOREMEDIATION g <br /> 53 1 PRINCIPLES 9 <br /> 5 3 2 NUTRIENT REQUIREMENTS AND TOXICITY 9 <br /> 5 3 3 INOCULATION WELLS 10 <br /> 53 4 MONITORING ACTIVITIES 10 <br /> 5 3 5 DURATION 10 <br /> 5 3 6 FEASIBILITY 10 <br /> 53 7 ESTIMATED COSTS FOR IN-SITU BIOREMEDIATION 1 I <br /> 54 NATURAL ATTENUATION 11 <br /> 60 GROUND WATER REMEDIATION ALTERNATIVES 12 <br /> 61 IN-SITU AIR SPARGING 12 <br /> 611 PRINCIPLES 12 <br /> 6 1 2 BASIC SYSTEM DESIGN 12 <br /> 6 1 3 MONITORING ACTIVITIES 13 <br /> 614 FEASIBILITY 13 <br />