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CONTENTS <br /> PURPOSE....................................................................................................................................1 <br /> BACKGROUND............................................................................................................................1 <br /> 1 FINAL POSTCLOSURE MAINTENANCE PLAN ...............................................................2 <br /> 1.0 RESPONSIBILITY OF POSTCLOSURE MAINTENANCE......................................2 <br /> 2.0 CURRENT MONITORING AND CONTROL SYSTEMS.........................................2 <br /> 2.1 LEACHATE............................................................................................................2 <br /> 2.2 GROUNDWATER..................................................................................................2 <br /> 2.3 LANDFILL GAS .....................................................................................................2 <br /> 3.0 SUMMARY OF REPORTING REQUIREMENTS...................................................3 <br /> 3.1 LEACHATE............................................................................................................3 <br /> 3.2 GROUNDWATER..................................................................................................3 <br /> 3.3 LANDFILL GAS .....................................................................................................4 <br /> 4.0 POSTCLOSURE LAND USE.................................................................................4 <br /> 5.0 MONITORING AND MAINTENANCE ....................................................................4 <br /> 5.1 FINAL COVER.......................................................................................................4 <br /> 5.2 DRAINAGE............................................................................................................5 <br /> 5.3 VEGETATION .......................................................................................................5 <br /> 5.4 LEACHATE............................................................................................................5 <br /> 5.5 LANDFILL GAS .....................................................................................................5 <br /> 5.6 GROUNDWATER..................................................................................................6 <br /> 5.7 FINAL GRADING...................................................................................................6 <br /> 5.8 VADOSE ZONE.....................................................................................................6 <br /> 6.0 EMERGENCY RESPONSE PLAN.........................................................................6 <br /> 11 FINAL POSTCLOSURE MAINTENANCE COSTS ............................................................7 <br /> 1.0 REVEGETATION..............................................................................................................7 <br /> 2.0 LEACHATE MANAGEMENT.............................................................................................7 <br /> 3.0 LANDFILL GAS (LFG) MANAGEMENT ............................................................................7 <br /> 3.1 LFG Migration Monitoring ......................................................................................7 <br /> 3.2 LFG COLLECTION................................................................................................7 <br /> 4.0 GROUNDWATER MONITORING .....................................................................................8 <br /> 5.0 VADOSE ZONE MONITORING ........................................................................................8 <br /> 6.0 FINAL COVER MAINTENANCE........................................................................................8 <br /> 7.0 INSPECTIONS..................................................................................................................8 <br /> 8.0 TOPOGRAPHIC MONITORING........................................................................................8 <br /> 9.0 POSTCLOSURE COST SUMMARY .................................................................................8 <br /> III FINANCIAL RESPONSIBILITY.........................................................................................9 <br /> 1.0 FINANCIAL ASSURANCE MECHANISM..........................................................................9 <br /> 1.1 POSTCLOSURE MAINTENANCE ....................................................................................9 <br /> 1.2 CORRECTIVE ACTION ....................................................................................................9 <br /> Post Closure Maintenance Plan Addendum San Joaquin County <br /> Corral Hollow Sanitary Landfill i Department of Public Works <br /> October 26,2012 Solid Waste Division <br />