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The following procedure will be used to remedy a methane surface exceedance as required by <br />§60.753(d)(4). After each step, the landfill surface will be re -monitored to determine the <br />effectiveness. <br />1. LFG extraction wells in the vicinity of the exceedance will be checked to see if LFG flow <br />can be increased. Re -monitor within ten days. <br />2. The LFG header will be checked to verify proper vacuum is available at the wells. <br />3. Additional cover soil will be placed and compacted over the area of emissions. <br />4. The landfill cover will be moistened and re -compacted. <br />5. Cracks and fissures may be scarified and re -compacted or grouted. <br />6. A new LFG extraction well may be installed. The well may be horizontal or vertical <br />construction. <br />Foothill Sanitary Landfill Public Works/Sofid Waste <br />LFG CS Design Plan County of San Joaquin - March 10, 2005 <br />