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Geosynte& <br /> consultants <br /> TABLE OF CONTENTS <br /> 1. INTRODUCTION ...................................................................................................................I <br /> 1.1 Background .........................................................................................................1 <br /> 1.2 Regulatory Framework........................................................................................2 <br /> 1.3 Proposed Groundwater Operable Units...............................................................3 <br /> 1.4 Previous Environmental Investigations...............................................................3 <br /> 1.5 Data Gaps For RI/FS...........................................................................................5 <br /> 1.6 Objectives............................................................................................................7 <br /> 2. WELL MAINTENANCE.........................................................................................................8 <br /> 2.1 Well Location Activities .....................................................................................9 <br /> 2.2 Well Repairs........................................................................................................9 <br /> 2.3 Other Well Maintenance Activities.....................................................................9 <br /> 2.4 Well Destruction Activities...............................................................................10 <br /> 2.5 Well Protection Activities.................................................................................11 <br /> 3. WELL INSTALLATION.......................................................................................................12 <br /> 3.1 New Monitoring Well Installations...................................................................12 <br /> 4. GROUNDWATER MONITORING PROGRAM .................................................................12 <br /> 4.1 Field Inspection and Depth to Water.................................................................12 <br /> 4.2 Selection of Monitoring Wells for Sampling....................................................12 <br /> 4.3 Sampling and Analysis......................................................................................13 <br /> 4.4 Investigation-Derived Waste Management.......................................................14 <br /> 5. SCHEDULE AND REPORTING..........................................................................................14 <br /> 6. REFERENCES .......................................................................................................................16 <br /> RRI 2024 Groundwater Monitoring Work Plan ii June 13,2024 <br />