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I <br /> TABLE OF CONTENTS Working To Restore Nature <br /> 1 <br /> INTRODUCTION - - 1 <br /> BACKGROUND - 3 <br /> 1 Site Description - - - - . . 3 <br /> Previous Work 3 <br /> REGIONAL GEOLOGY AND HYDROGEOLOGY 4 <br /> SITE CONDITIONS - • - - • - • • 4 <br /> Site Geology and Hydrogeology 4 <br /> Residual Hydrocarbons in Soil 5 <br /> Dissolved Hydrocarbons in Ground Water 5 <br /> AIR SPARGING PILOT TESTING - 6 <br /> Installation of Air Sparging Wells 6 <br /> Air Sparging Pilot Test . . . - • • - 7 <br /> Air Sparging 7 <br /> Air Sparging/Vapor Extraction - 8 <br /> Laboratory Analyses 8 <br /> Results of Air Sparging Pilot Tests 9 <br /> Ground-Water Elevation - - 9 <br /> Pressure 10 <br /> Ground-Water Quality 10 <br /> Soil Gas 11 <br /> 1 <br /> CONCLUSIONS 11 <br /> REFERENCES - 14 <br /> 1 <br /> i <br /> 30003-8 <br />