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SOIL VAPOR EXTRACTION PILOT STUDY REPORT San Joaquin County <br /> Montgomery Ward Auto Service Center Public Health Services Department <br /> 5400 PactFc Avenue Stockton,CA Site Code 2163 <br /> TABLE OF CONTENTS <br /> Page <br /> 1 0 INTRODUCTION 1 <br /> 20 BACKGROUND 2 <br /> 21 PREVIOUS INVESTIGATIONS 2 <br /> 22 GEOLOGY 2 <br /> 23 HYDROGEOLOGY 2 <br />' 30 PERMITTING 3 <br /> 31 SAN JOAQUIN COUNTY PUBLIC HEALTH <br />' SERVICES DEPARTMENT 3 <br /> 32 SAN JOAQUIN VALLEY UNIFIED AIR POLLUTION <br /> CONTROL DISTRICT 3 <br /> 3 3 CITY OF STOCKTON 3 <br /> 34 SUBSURFACE UTILITY CLEARANCE 3 <br /> 40 DESIGN OF PILOT VES AND AIR SPARGING TESTS 3 <br /> 4 1 SYSTEM OVERVIEW 3 <br /> 4 2 VAPOR EXTRACTION AND TREATMENT UNIT 4 <br /> 43 AIR SPARGING SYSTEM 4 <br />' 44 TARGETED DESIGN PARAMETERS 4 <br /> 50 INSTALLATION OF PILOT VES 5 <br />' 51 VES WELLS, AIR SPARGING AND MONITORING WELLS, SOIL <br /> VAPOR PROBE INSTALLATION 5 <br /> I5 1 1 VES WELLS 5 <br /> 5 1 2 AIR SPARGING WELLS 6 <br /> 5 1 3 SOIL VAPOR PROBES 6 <br /> 52 INSTALLATION OF FUEL AND UTILITY SERVICES 7 <br /> 60 SOIL CHARACTERIZATION 7 <br />' <br /> 70 VES AND AIR SPARGING PILOT TESTING g <br /> 71 MEASUREMENTS PRIOR TO STARTING PILOT TESTS 8 <br /> 72 VES PILOT TESTS SCENARIOS g <br /> 73 AIR SPARGING PILOT FIELD TESTS 9 <br /> 74 LABORATORY ANALYSES OF VAPOR SAMPLES 9 <br /> I <br /> Project No 1232 - 1 - ENVIRONMENTAL AUDIT, INC <br />