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• <br />C] <br />• <br />0 <br />Work Plan for Groundwater Monitoring Well Installation at the California Army National Guard <br />Stockton Field Maintenance Shop, Stockton, California <br />TABLE OF CONTENTS <br />1.0 <br />INTRODUCTION...............................................................................................................1 <br />1.1 <br />PROJECT OBJECTIVES AND SCOPE..................................................................................2 <br />1.2 <br />SITE LOCATION...............................................................................................................2 <br />1.3 <br />SITE DESCRIPTION AND HISTORY.....................................................................................2 <br />1.4 <br />SITE SETTING AND GEOLOGY...........................................................................................3 <br />2.0 <br />PREVIOUS ENVIRONMENTAL INVESTIGATIONS........................................................4 <br />2.1 <br />UST REMOVAL...............................................................................................................4 <br />2.2 <br />2004 SITE INVESTIGATION...............................................................................................4 <br />2.3 <br />MAY, 2007 SITE INVESTIGATION......................................................................................5 <br />2.4 <br />OCTOBER 2007 SITE INVESTIGATION...............................................................................5 <br />3.0 <br />PROPOSED ACTIVITIES.................................................................................................6 <br />3.1 <br />PERMITTING....................................................................................................................6 <br />3.2 <br />SITE PREPARATION.........................................................................................................6 <br />3.3 <br />GROUNDWATER WELL INSTALLATION...............................................................................7 <br />3.4 <br />SOIL SAMPLING DURING WELL INSTALLATION...................................................................7 <br />3.5 <br />GROUNDWATER SAMPLING..............................................................................................8 <br />3.6 <br />GROUNDWATER MONITORING WELL SURVEYING................................................................8 <br />3.7 <br />INVESTIGATION DERIVED WASTE(IDW)...........................................................................9 <br />4.0 <br />REPORTING...................................................................................................................10 <br />4.1 <br />QUARTERLY GROUNDWATER MONITORING REPORTS ..................................................... <br />10 <br />4.2 <br />FOURTH QUARTERLY GROUNDWATER MONITORING REPORT.........................................10 <br />5.0 <br />PROJECT SCHEDULE..................................................................................................11 <br />6.0 <br />QUALITY CONTROL PLAN(QCP)................................................................................12 <br />6.1 <br />NATURE AND PURPOSE OF PLAN...................................................................................12 <br />6.2 <br />PROJECT ORGANIZATION..............................................................................................12 <br />6.3 <br />THREE-PHASE CONTROL SYSTEM.................................................................................14 <br />6.4 <br />COMPLETION INSPECTION.............................................................................................14 <br />6.5 <br />RECORDS MANAGEMENT...............................................................................................14 <br />7.0 <br />REFERENCES................................................................................................................15 <br />LIST OF APPENDICES <br />Appendix A — Figures <br />Figure 1 — Site Vicinity Map <br />Figure 2 — Proposed Groundwater Monitoring Well Locations <br />Appendix B — Accident Prevention Plan/Site Safety and Health Plan <br />OTI E <br />