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0 <br />Table of Contents <br />Listof Figures.................................................................................................................................................ii <br />Listof Tables..................................................................................................................................................ii <br />Listof Drawings.............................................................................................................................................. <br />ii <br />List of Appendicesiii <br />......................................................................................................................................... <br />iii <br />Acronyms and Abbreviations.........................................................................................................................iv <br />1.0 Introduction.....................................................................................................................................1-1 <br />1.1 Background and Purpose.....................................................................................................1-1 <br />1.2 Regulatory Requirements ...... ............................................................................................... <br />1-1 <br />2.0 Preliminary Closure Plan................................................................................................................2-1 <br />2.1 Landfill Information............................................................................................................... <br />2-1 <br />2.1.1 Site Development Plans.......................................................................................... <br />2-1 <br />2.1.2 Surrounding Land Use.............................................................................................2-1 <br />2.1.3 Base Liner and LCRS System.................................................................................2-2 <br />2.2 Maximum Area Requiring Closure........................................................................................2-3 <br />2.3 Removal of Landfill Structures..............................................................................................2-3 <br />2.4 Decommissioning of Environmental Control Systems.......................................................... <br />2-3 <br />2.5 Closure Descriptions............................................................................................................ <br />2-3 <br />2.5.1 Final Cover..............................................................................................................2-4 <br />2.5.2 Final Grading and Drainage Plan............................................................................ <br />2.5.3 Interim Development............................................................................................... <br />2-4 <br />2-5 <br />2.5.4 Erosion Control........................................................................................................2-6 <br />2.5.5 Stability Analysis..................................................................................................... <br />2-6 <br />2.5.6 LFG Monitoring and Control....................................................................................2-6 <br />2.5.7 Groundwater, Surface Water, NPDES, and Unsaturated Zone Monitoring <br />Systems................................................................................................................... <br />2-7 <br />2.5.8 Site Security............................................................................................................ <br />2-8 <br />2.5.9 Construction Quality Assurance Methods................................................................ <br />2-8 <br />2.5.10 Leachate Monitoring and Control............................................................................2-9 <br />2.6 Site Life and Closure Schedule............................................................................................ <br />2-9 <br />2.7 Land Use of Closed Area................................................................................................... <br />2-10 <br />2.8 Closure Cost Estimate........................................................................................................2-10 <br />3.0 Postclosure Maintenance Plan........................................................................................................3-1 <br />3.1 Postclosure Planned Uses of the Property...........................................................................3-1 <br />3.2 Monitoring and Control Systems...........................................................................................3-1 <br />3.3 Postclosure Maintenance..................................................................................................... <br />3-2 <br />3.3.1 Maintenance of the Integrity and Effectiveness of the Final Cover .......................... <br />3-2 <br />3.3.2 Inspecting and Maintaining the Drainage System...................................................3-3 <br />3.3.3 Maintaining the Vegetative Cover............................................................................ <br />3-4 <br />3.3.4 Inspecting and Maintaining the Final Grading.........................................................3-4 <br />3.3.5 Settlement............................................................................................................... <br />3-5 <br />3.3.6 Operations and Maintenance for LFG Migration Monitoring and Control <br />System.................................................................................................................... <br />3-5 <br />PCMP for NCRCSL I Department of Public WorksiSolid Waste <br />O:ISan Joaquin CountylNCRCSL111804MCPMPIFinal ReporAPCPMP_Rev_Jan_2010.Doc County of San Joaquin — January <br />7, 2010 <br />