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TABLE OF CONTENTS <br /> 1.0 INTRODUCTION <br /> 2 0 HISTORY OF SITE INVESTIGATION APR 07 2000 1 <br /> 2.1 Tank Removal ENVlRONMF_NTA, r i c-A?I H 1 <br /> 2.2 Site Assessment <br /> 2 2 1 Soil Vapor Survey PERMiT/SI;RViCwS 1 <br /> 2 2 2 Preliminary Soil Assessment 2 <br /> 2 2 3 Soil and Groundwater Investigation 2 <br /> 2 2 4 Feasibility Tests 2 <br /> 2.3 Site Remediation 3 <br /> 2 3 1 ORC Infection and Monitoring 3 <br /> 3.0 SITE CHARACTERIZATION 4 <br /> 3.1 Extent of Soil Contamination 4 <br /> 3.2 Extent of Groundwater Contamination 5 <br /> 3.3 Hydrogeology 5 <br /> 3 3 1 Hydrogeologxc Units 5 <br /> 3 3 2 Groundwater Gradient and Flow Direction 6 <br /> ,. 3 3 3 Depth to Groundwater 6 <br /> 4 0 RESULTS OF CORRECTIVE ACTION 7 <br /> 4.1 Dissolved Oxygen Concentrations 7 <br /> 4.2 Hydrocarbon Concentrations 7 <br /> 5.0 POTENTIAL RECEPTORS 9 <br /> i <br /> 6.0 NO FURTHER ACTION 9 <br /> TABLES <br /> Table I Soil Vapor Survey Concentrations <br /> Table 2 Analytical Results--Soil <br /> Table 3 Analytical Results--Groundwater <br /> Table 4 Groundwater Elevation Data <br /> Table 5 Dissolved Oxygen Concentrations (%) <br /> Table 6 Dissolved Oxygen Concentrations (mg/1) <br /> Table 7 List of Wells within 2000-foot Radius <br />