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1 <br /> ameC <br /> TABLE OF CONTENTS <br /> Page <br /> 1.0 INTRODUCTION ..........................................................................................................1 <br /> 2.0 SITE DESCRIPTION.....................................................................................................2 <br /> 3.0 REMEDIAL INVESTIGATIONS AND REMEDIATION...................................................2 <br /> 4.0 GROUNDWATER CONDITIONS..................................................................................3 <br /> 4.1 GEOLOGIC SETTING ............................................................................................3 <br /> 4.2 SITE HYDROGEOLOGY.........................................................................................4 <br /> 4.3 GROUNDWATER OCCURRENCE............................................................................4 <br /> 4.4 GROUNDWATER GRADIENTS................................................................................4 <br /> 4.5 BACKGROUND GROUNDWATER QUALITY...............................................................5 <br /> 4.6 BENEFICIAL USES OF GROUNDWATER..................................................................5 <br /> 5.0 CONSTITUENTS OF CONCERN IN GROUNDWATER ...............................................6 <br /> 5.1 CHLORINATED VOLATILE ORGANIC COMPOUNDS...................................................6 <br /> 5.1.1 Tetrachloroethene..................................................................................6 <br /> 5.1.2 Trichloroethene......................................................................................6 <br /> 5.1.3 Additional Constituents..........................................................................7 <br /> 5.2 EXTENT OF CONSTITUENTS OF CONCERN IN GROUNDWATER FROM THE SITE.........7 <br /> 6.0 FATE AND TRANSPORT OF CHLORINATED VOLATILE ORGANIC COMPOUNDS <br /> IN GROUNDWATER FROM THE SITE........................................................................8 <br /> 6.1 MOVEMENT IN GROUNDWATER ............................................................................8 <br /> 6.2 DEGRADATION OF CHLORINATED VOLATILE ORGANIC COMPOUNDS IN <br /> GROUNDWATER..................................................................................................8 <br /> 6.3 WATER SUPPLY WELLS.......................................................................................9 <br /> 7.0 GROUNDWATER INTERIM REMEDIAL ACTION PLAN..............................................9 <br /> 7.1 BENCH SCALE TEST..........................................................................................10 <br /> 1.2 SCOPE OF WORK..............................................................................................11 <br /> 7.2.1 Pre-Field Work.....................................................................................11 <br /> 7.2.2 Water Quality Sampling .......................................................................11 <br /> 7.2.3 Drilling.............................................................................................•....12 <br /> 7.3 REPORTING ......................................................................................................14 <br /> 7.4 SCHEDULE........................................................................................................14 <br /> 8.0 REFERENCES ...........................................................................................................14 <br /> AMEC Geomatrix, Inc. <br /> I:\13000s\13290Wchive\13290-49.DOC i <br />