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AGS <br /> TABLE OF CONTENTS <br /> Page No. <br /> 1.0 INTRODUCTION......................................................................................................1 <br /> 2.0 INSTALLATION HISTORY.......................................................................................2 <br /> 2.1 SITE CHARACTERISTICS ...........................................................................3 <br /> 2.1.1 Climate...............................................................................................3 <br /> 2.1.2 Topography and Surface Drainage....................................................3 <br /> 2.2 GEOLOGIC AND HYDROGEOLOGIC SETTING.........................................3 <br /> 3.0 PROPOSED SITE INVESTIGATION .......................................................................6 <br /> 3.1 OWS SITES AT BUILDINGS 12, 410A AND 508..........................................6 <br /> 3.1.1 Site Background.................................................................................6 <br /> 3.1.2 Previous Analytical Results..............................................................10 <br /> 3.1.3 Proposed Site Investigation .............................................................11 <br /> 3.2 SAMPLING PROTOCOL.............................................................................13 <br /> 3.2.1 Site Clearance .................................................................................13 <br /> 3.2.2 Soil Borings......................................................................................13 <br /> 3.2.3 Equipment Decontamination............................................................14 <br /> 3.2.4 Drill Cuttings and Wastewater Disposition .......................................15 <br /> 3.3 CHEMICAL ANALYSIS PROTOCOL..........................................................15 <br /> 4.0 SITE CLOSURE REQUIREMENTS ........................................................................17 <br /> 4.1 Low Risk Vadose Zone Designation ...........................................................17 <br /> 4.2 Low Risk Groundwater Designation............................................................18 <br /> 5.0 SCHEDULE AND SUBMITTAL...............................................................................20 <br /> 6.0 REFERENCES.......................................................................................................21 <br /> i <br /> '.ILAURA\CtWpmn6MWPCCCSV5-CLTS%l995550304p1Work Plan\Work Plan.doc <br /> OSIi0/99 <br />