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Delineation and Destruction Work Plan for Well B-1 <br /> TABLE OF CONTENTS <br /> Section Page No. <br /> ACRONYMS AND ABBREVIATIONS...................................................................................III <br /> 1 INTRODUCTION..............................................................................................................1 <br /> 1.1 Scope of Work and Objectives ............................................................................... 1 <br /> 1.2 Well Location.......................................................................................................... 1 <br /> 1.3 Well Construction and Borehole Log..................................................................... 2 <br /> 1.4 Historical Water Levels .......................................................................................... 2 <br /> 1.5 Historical Water Quality......................................................................................... 2 <br /> 2 DELINEATION OF IMPACTS FROM UNAUTHORIZED RELEASE....................3 <br /> 2.1 Discovery of Oily Substance and Notifications...................................................... 3 <br /> 2.2 Evaluation of Nearby Wells.................................................................................... 4 <br /> 2.3 May 2017 Groundwater Sampling Results............................................................. 4 <br /> 2.4 Proposed Soil and Groundwater Sampling............................................................. 5 <br /> 2.4.1 Permitting and Utility Clearance ................................................................ 5 <br /> 2.4.2 Sample Locations and Depths..................................................................... 5 <br /> 2.4.3 Soil Samples................................................................................................ 6 <br /> 2.4.4 Groundwater Samples................................................................................. 7 <br /> 2.4.5 Laboratory Analyses................................................................................... 7 <br /> 2.4.6 Borehole Abandonment.............................................................................. 8 <br /> 3 WELL DESTRUCTION ACTIVITIES...........................................................................8 <br /> 3.1 Pre-Destruction Activities....................................................................................... 8 <br /> 3.2 Well Material Removal........................................................................................... 9 <br /> 3.3 Borehole Backfilling............................................................................................... 9 <br /> 4 FIELD EQUIPMENT........................................................................................................9 <br /> 5 DOCUMENTATION.......................................................................................................10 <br /> 6 DECONTAMINATION PROCEDURES......................................................................10 <br /> 7 INVESTIGATION-DERIVED WASTE........................................................................11 <br /> 8 QUALITY ASSURANCE/QUALITY CONTROL MEASURES...............................11 <br /> 8.1 Quality Control Requirements.............................................................................. 11 <br /> 8.1.1 Field Quality Control Requirements......................................................... 11 <br /> 8.1.2 Laboratory Quality Control Requirements ............................................... 11 <br /> 8.2 Data Management................................................................................................. 12 <br /> 9 REPORTING...................................................................................................................12 <br /> 10886-7 <br /> D U O E I January 2019 <br />