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landfill (Plan Sheet 2 and 3). <br /> 12.0 SLOPE PROTECTION AND EROSION CONTROL <br /> The outer slopes of the projects final cover.will not be steep. Establishment of vegetation <br /> will provide adequate erosion control. <br /> The new ditches will be lined with erosion control mats. Interim erosion control will <br /> include straw wattles, placed along the outer slopes. <br /> 13.0 IMPLEMENTATION OF LEACHATE CONTROL MEASURES <br /> CHSL does not have a liner and does not have a leachate collection system. The closure <br /> cap extension area wi►I not include a leachate collection system. Leachate will be <br /> controlled by maintaining proper cover to promote runoff prior to infiltration. <br /> 14.0 INSTALLATION OF GROUNDWATER MONITORING NETWORK <br /> No new groundwater monitoring wells will be installed for this project. <br /> JP 15.0 INSTALLATION F GAS MONITORING NETWORK <br /> No new soil gas monitoring wells will be installed for this project. <br /> 16.0 INSTALLATION OF ADDITIONAL LANDFILL GAS COLLECTION WELLS <br /> Two additional LFG extraction wells will be installed in Caltrans property The wells will <br /> be installed to the depth of refuse in the closure cap extension area. The new wells will <br /> be connected to the existing LFG system. <br /> II FINAL CLOSURE COST ESTIMATES <br /> 1.0 FINAL COVER <br /> The final cover for the closure cap extension project will be in accordance with section <br /> 8.0. The closure cap extension project final cover will involve construction tasks listed <br /> below. <br /> Closure Plan Revised Addendum San Joaquin County <br /> Corral Hollow Sanitary Landfill 8 Department of Public Works <br /> October 6, 2011 Solid Waste Division <br />