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1 <br /> 1 <br /> TABLE OF CONTENTS <br /> r� <br /> 1.0 EXECUTIVE SUMMARY.................................................................................. ....:......1 <br /> 1 2.0 INTRODUCTION...................................................................................................... ....2 <br /> 21 PURPOSE - 2 <br />' 2 2 RESOURCES 2 <br /> 3.0 BACKGROUND INFORMATION................................................. ................................3 <br />' 3 1 SITE LOCATION 3 <br /> 3 2 REGIONAL GEOLOGIC SETTING 3 <br />' 3 3 PREVIOUS INVESTIGATIONS 4 <br /> 4.0 FIELD METHODS..................................................................................... ............. 6 <br />' 4 1 PERMITTING AND PROTOCOLS 6 <br /> 4 2 HOLLOW STEM AUGER DRILLING AND INSTALLATION OF SHALLOW ZONE MONITORING WELLS 6 <br /> 4 3 MUD ROTARY DRILLINGAND INSTALLATION OF INTERMEDIATE ZONE MONITORING WELL 7 <br />' 4 4 WELL DEVELOPMENT AND GROUNDWATER SAMPLING 9 <br /> 5.0 RESULTS OF INVESTIGATION ............................................ ........... ..... ........... . ...10 <br /> 5 1 SUBSURFACE CONDITIONS 10 <br /> 5 2 SOIL ANALYTICAL RESULTS 11 <br /> 5 3 GROUNDWATER ANALYTICAL RESULTS I 1 <br /> 6.0 WASTE DISPOSAL........................................................................................ ...... ..... .11 <br /> 7.0 SUMMARY AND CONCLUSIONS............................................................ ..................12 <br /> 8.0 RECOMMENDATIONS ............................................................................. ........... ......12 <br />' 9.0 CERTIFICATION................ ............................... ....................................... .......... ......13 <br /> TABLES <br /> 1 Soil Analytical Results, UST Excavation, January 1998 <br /> 2 Soil Analytical Results, Soil Borings and Monitoring Wells, EPA Methods 8020/8015M <br /> 3 Soil Analytical Results, Soil Borings and Monitoring Wells,EPA Method 8260 <br /> 4 Groundwater Analytical Results, EPA Methods 8020/8015M <br /> 5 Groundwater Analytical Results, EPA Method 8260 <br /> 6 Groundwater Analytical Results, Water Supply Well <br /> 7 Groundwater Monitoring Data <br /> �1 <br /> I <br /> G1Data1GROUNDZE\TULEBURG\Reports\Mud_HSA_well report doe <br />