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Geosyntec <br /> consultants <br /> TABLE OF CONTENTS <br /> 1. INTRODUCTION....................................................................................................................1 <br /> 1.1 Work Plan Objectives......................................................................................................1 <br /> 1.2 Document Organization ..................................................................................................1 <br /> 2. VAPOR INTRUSION CONCEPTUAL SITE MODEL..........................................................2 <br /> 2.1 Historical Site Use and Sources ......................................................................................2 <br /> 2.2 Vadose Zone Stratigraphy...............................................................................................2 <br /> 2.3 Previous Investigations................................................................................................ 2 <br /> 2.4 Remedial Action, Optimization and Confirmation Sampling.........................................3 <br /> 2.5 Recent Investigation.......................................................................................................4 <br /> 2.6 Potential Data Gaps........................................................................................................4 <br /> 3. SITE INVESTIGATION OBJECTIVES .................................................................................5 <br /> 4. SCOPE OF WORK...................................................................................................................6 <br /> 4.1 Rationale and Approach..................................................................................................6 <br /> 4.2 Pre-Field Activities..........................................................................................................7 <br /> 4.2.1 Health and Safety Plan Addendum .....................................................................7 <br /> 4.2.2 Permitting and Access.........................................................................................7 <br /> 4.2.3 Utility Survey......................................................................................................7 <br /> 4.3 Soil Vapor Probe Installation and Sampling...................................................................8 <br /> 4.3.1 Drilling and Geologic Logging...........................................................................8 <br /> 4.3.2 Soil Vapor Probe Installation and Sampling.......................................................8 <br /> 4.3.3 Site Restoration and Waste Management............................................................8 <br /> 5. REPORTING AND SCHEDULE ............................................................................................9 <br /> 6. REFERENCES.......................................................................................................................10 <br /> 202012 Lincoln Center Soil Vapor Assessment Work Plan ii December 2020 <br />