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Site Investigation Work Plan <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 Responsible Agency ........................................................................................................1-1 <br /> 1.3 Purpose and Scope of the Work Plan...............................................................................1-1 <br /> 1.4 Site Background...............................................................................................................1-1 <br /> 1.4.1 Deuel Vocational Institution History, Operations, and Features........................1-1 <br /> 1.4.2 Previous Investigations.......................................................................................1-2 <br /> 1.5 Project Organization and Responsibilities.......................................................................1-4 <br /> 1.6 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 /> 4.1.1 Field Activities....................................................................................................4-1 <br /> 4.2 Crawl Space Soil Gas Sampling......................................................................................4-1 <br /> 4.2.1 Crawl Space Sample Collection .........................................................................4-1 <br /> 4.2.2 Laboratory Analysis............................................................................................4-2 <br /> 4.3 Indoor Air Sampling........................................................................................................4-2 <br /> 4.3.1 Indoor Air Sample Collection.............................................................................4-2 <br /> 4.3.2 Laboratory Analysis............................................................................................4-2 <br /> 4.4 Soil Gas Sampling...........................................................................................................4-2 <br /> 4.4.1 Drilling................................................................................................................4-2 <br /> 4.4.2 Soil Gas Well Installation and Sampling............................................................4-3 <br /> 4.4.3 Laboratory Analysis............................................................................................4-4 <br /> 4.5 Permits.............................................................................................................................4-4 <br /> 4.6 Utility Clearance..............................................................................................................4-4 <br /> 4.7 Decontamination Procedures...........................................................................................4-4 <br /> 4.8 Investigation-Derived Waste...........................................................................................4-5 <br /> 5.0 DATA ACQUISITION AND QUALITY ASSURANCE/QUALITY CONTROL................5-1 <br /> 5.1 Project Design and Rationale...........................................................................................5-1 <br /> 5.2 Data Quality Objectives...................................................................................................5-1 <br /> 5.3 Statistical Parameter Indicators........................................................................................5-1 <br /> 5.3.1 Precision.............................................................................................................5-1 <br /> 5.3.2 Accuracy.............................................................................................................5-2 <br /> 5.3.3 Representativeness for Standard Reference Material.........................................5-2 <br /> 5.3.4 Comparability.....................................................................................................5-2 <br /> 5.3.5 Completeness......................................................................................................5-2 <br /> 5.4 Quality Control Samples and Procedures........................................................................5-2 <br /> 5.4.1 QC Checks..........................................................................................................5-2 <br /> 5.4.2 Sample Preservation...........................................................................................5-4 <br /> 5.5 Analytical Levels.............................................................................................................5-4 <br /> 5.6 Sample Collection and Quality Control...........................................................................5-5 <br />