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Working to Restore Nature <br /> CONTENTS <br /> INTRODUCTION 1 <br /> BACKGROUND 2 <br /> Site Description . 2 <br /> Water-Supply Wells _ 2 <br /> LOCAL GEOLOGY . 3 <br /> SCOPE OF INVESTIGATION . . 3 <br /> Removal of Underground Storage Tanks and Product Lines 4 <br /> Assessment of Soil 4 <br /> Assessment of Groundwater . 5 <br /> Groundwater Monitoring Well Installation 5 <br /> Groundwater Monitoring . 5 <br /> Vapor Extraction Well Installation 6 <br /> Vapor Extraction Test . . 6 <br /> Air-Sparge Well Installation . . . 6 <br /> Air-Sparge Test . . 7 <br /> �1 Laboratory Analyses . . 7 <br /> Installation of Piping for the Remediation System 7 <br /> SITE CONDITIONS 8 <br /> Site Geology . . 8 <br /> Site Hydrogeology 8 <br /> Residual Hydrocarbons in Soil 9 <br /> Free-Phase and Dissolved Hydrocarbons in Groundwater 9 <br /> REMEDIATION OPTIONS 10 <br /> Soil Remediation 10 <br /> Groundwater Remediation 10 <br /> CONCLUSIONS 11 <br /> LIMITATIONS 12 <br /> REFERENCES 12 <br /> 3pDb3-7 <br />