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CLEARWATER <br /> G it O U P I N C <br /> Environmental Sernrces <br />' TABLE OF CONTENTS <br /> 1 0 INTRODUCTION I <br /> f1 I Site Background I <br /> 20 GROUNDWATER MONITORING-FOURTH QUARTER 1998 1 <br /> 2 1 Field Activities 2 <br /> 2 2 Groundwater Monitoring Results 2 <br /> 30 SOIL VAPOR EXTRACTION AND AIR SPARGE SYSTEM 3 <br />' 3 1 Operational Data--Soil Vapor Extraction and Treatment 3 <br /> 3 2 Operational Data--Air Sparge System 4 <br /> 3 3 System.Status -- Soil Vapor Extraction and Air Sparge 4 <br /> 40 CONCLUSIONS AND RECOMMENDATIONS 5 <br />' <br /> 50 CERTIFICATION 6 <br /> TABLES <br /> Table 1 Well Construction Specifications <br /> Table 2 Groundwater EleN,ations and Sample Analytical Results <br /> Table 2 Catalytic Oxidizer Operational Data <br /> 1 Table 3 Catalytic Oxidizer An-Sample Results <br /> FIGURES <br /> Figure 1 Site Location <br /> Figure 2 Site Plan <br />' Figure 3 Groundwater Elevation Map -313199 <br /> Figure 4 Hydrocarbon Distribution and Benzene Isoconcentration Map- 313199 <br /> Figure 5 SVE System Process Flow Diagram <br /> 1 APPENDICES <br /> 1 Appendix A Clearwater Groundwater Monitoring and Field Procedures <br /> Appendix B Clearwater Gauge/Purge Calculations and Well Purging Data Sheets <br /> Appendix C Laboratory Reports and Chain-of-Custody Forms <br /> 1 Appendix D SIVUAPCD ATC and PTO Permits <br /> • <br /> 1 <br /> 1 <br />