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TABLE OF CONTENTS <br /> Page <br />' 10 INTRODUCTION 1 <br />' 20 BACKGROUND 1 <br /> 21 SITE LOCATION 1 <br /> 22 UNDERGROUND STORAGE TANK REMOVAL 1 <br />' 23 INITIAL INVESTIGATION 2 <br /> 24 REGIONAL GEOLOGIC SETTING 2 <br /> 25 GROUND WATER DEPTH AND GRADIENT 2 <br />' 3 0 SOIL VAPOR EXTRACTION AND MONITORING WELL INSTALLATION 3 <br /> 31 DRILLING AND SAMPLING 3 <br /> 32 EQUIPMENT DECONTAMINATION 4 <br /> 3 3 LOGGING 4 <br /> 34 WELL COMPLETION 4 <br /> 3 4 1 SOIL VAPOR EXTRACTION WELLS 4 <br /> 3 4 2 GROUND WATER MONITORING WELLS 4 <br /> 35 MONITORING WELL SURVEYING 5 <br /> 36 MONITORING WELL DEVELOPMENT 5 <br /> 3 7 SOIL PROFILE 5 <br /> 3 8 FIELD EVIDENCE OF HYDROCARBON-IMPACTED SOIL 5 <br /> 39 ANALYTICAL RESULTS OF SOIL SAMPLES 6 <br /> 3 9 1 PETROLEUM HYDROCARBONS 6 <br /> 3 9 2 MICROBIAL ENUMERATION & PHYSIOCHEMICAL ANALYSIS 6 <br /> 40 SOIL VAPOR EXTRACTION PILOT TEST 6 <br /> 41 SOIL VAPOR EXTRACTION SYSTEM 6 <br /> 42 PILOT TEST PROCEDURES 7 <br /> 43 COLLECTION AND ANALYSIS OF VAPOR SAMPLES 7 <br /> 44 RESULTS OF VAPOR EXTRACTION PILOT TEST 7 <br /> 45 ANALYTICAL RESULTS OF VAPOR SAMPLES 8 <br /> t50 QUARTERLY GROUND WATER MONITORING- JANUARY 1996 8 <br /> 5 1 QUARTERLY GROUND WATER MONITORING AND SAMPLING 8 <br /> 52 ANALYTICAL RESULTS OF GROUND WATER SAMPLES 9 <br /> 53 GROUND WATER CONDITIONS 9 <br /> 60 REMEDIATION OF HYDROCARBON-IMPACTED SOIL 9 <br /> 61 SOIL VAPOR EXTRACTION 9 <br /> 611 PRINCIPLES 10 <br /> 6 12 EFFECTIVE SOIL CONDITIONS 11 <br /> 6 1 3 MONITORING ACTIVITIES 11 <br />