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Focused Groundwater Investigation <br /> Deuel Vocational Institution (DVI), Tracy, California <br /> TABLE OF CONTENTS <br /> 1.0 INTRODUCTION............................................................................................... 1-1 <br /> 1.1 Site Location ........................................................................................... 1-1 <br /> 1.2 Purpose and Scope of the Work Plan..................................................... 1-1 <br /> 1.3 Site Background ..................................................................................... 1-1 <br /> 1.3.1 Deuel Vocational Institution History, Operations, and Features... 1-1 <br /> 1.3.2 Previous Investigations ................................................................ 1-2 <br /> 1.4 Project Organization and Responsibilities............................................... 1-5 <br /> 1.5 Project Schedule..................................................................................... 1-5 <br /> 2.0 INVESTIGATION RATIONALE.........................................................................2-1 <br /> 3.0 PHYSICAL SETTING........................................................................................3-1 <br /> 3.1 Topography, Climate, and Setting .......................................................... 3-1 <br /> 3.2 Geology and Hydrology ..........................................................................3-1 <br /> 4.0 SAMPLING AND ANALYSIS............................................................................4-1 <br /> 4.1 Permits....................................................................................................4-1 <br /> 4.2 Utility Clearance......................................................................................4-1 <br /> 4.2.1 Field Activities ..............................................................................4-1 <br /> 4.3 Groundwater Sampling ...........................................................................4-1 <br /> 4.3.1 Phase 1 - Groundwater Sample Collection ..................................4-1 <br /> 4.3.2 Borehole Abandonment ...............................................................4-2 <br /> 4.3.3 Laboratory Analysis......................................................................4-2 <br /> 4.4 Phase 2 - Well Installation Activities .......................................................4-2 <br /> 4.4.1 Well Installation ............................................................................4-2 <br /> 4.4.2 Well Development........................................................................4-3 <br /> 4.4.3 Surveying .....................................................................................4-3 <br /> 4.5 Decontamination Procedures..................................................................4-3 <br /> 4.6 Investigation-Derived Waste...................................................................4-4 <br /> 5.0 DATA ACQUISITION AND QUALITY ASSURANCE/QUALITY CONTROL....5-1 <br /> 5.1 Project Design and Rationale .................................................................5-1 <br /> 5.2 Statistical Parameter Indicators ..............................................................5-1 <br /> 5.2.1 Precision ...................................................................................... 5-1 <br /> 5.2.2 Accuracy ...................................................................................... 5-1 <br /> 5.2.3 Representativeness for Standard Reference Material.................. 5-1 <br /> 5.2.4 Comparability...............................................................................5-2 <br /> 5.2.5 Completeness .............................................................................. 5-2 <br /> 5.3 Quality Control Samples and Procedures............................................... 5-2 <br /> 5.3.1 Quality Control Checks ................................................................ 5-2 <br /> 5.3.2 Sample Preservation....................................................................5-4 <br /> 5.4 Analytical Levels..................................................................................... 5-4 <br /> 5.5 Sample Collection and Quality Control ................................................... 5-4 <br /> 5.5.1 Sampling Design..........................................................................5-4 <br />