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' HydroGeo Consultonts <br /> CONTENTS <br /> CERTIFICATION III <br />' 1 0 INTRODUCTION 1 <br />' 2 0 SITE DESCRIPTION 1 <br />' 30 SITE CHARACTERIZATION DATA 1 <br /> 3 1 Geology/Hydrogeology 1 <br />' 3 2 Previous Site Assessment Activities 2 <br /> 40 SCOPE OF WORK 4 <br /> t4 1 Aquifer Testing 4 <br /> 4 2 Collection of Groundwater Samples 5 <br />' 5 0 PUMPING TEST RESULTS 6 <br /> 5 1 Analytical Methods 6 <br /> 5 2 Pumping Well MW-5 8 <br />' 5 3 Observation Wells 9 <br /> 5 4 Groundwater Results 11 <br />' 6 0 AQUIFER TEST CONCLUSIONS 1 I <br />' 7 0 EVALUATION OF REMEDIAL ALTERNATIVES 12 <br /> 7 1 Excavation 12 <br />' 7 2 Enhanced Bioremediation 12 <br /> 7 3 Air Sparging 13 <br />' 7 4 Groundwater Pumping with Vapor Extraction 13 <br /> 8 0 REMEDIAL ACTION PLAN 14 <br /> 90 REFERENCES 14 <br /> 1 <br /> Thrifty Oil TOC#I71 Aquifer Test and RAP Rpt Page i <br />