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1 <br /> WASTE DISCHARGE REQUIREMENTS 6 <br /> FOR FOOTHILL SANITARY LANDFILL <br /> CLASS III LANDFILL <br /> SAN JOAQUIN COUNTY <br /> B. DISCHARGE SPECIFICATIONS <br /> General Specifications <br /> 1. Wastes shall only be discharged into, and shall be confined to, the landfill modules <br /> specifically designed for their containment. <br /> 2. All wells within 500 feet of the module shall be sealed or abandoned to the <br /> satisfaction of the San Joaquin County Public Health Services Department prior to <br /> discharge of waste to the unit. A record of the sealing and/or abandonment of <br /> such wells shall be sent to the Board and to the State Department of Water <br /> Resources. <br /> 3. Leachate generation by a landfill unit leachate collection and removal system <br /> (LCRS) shall not exceed 85% of the design capacity of the sump pump. If <br /> leachate generation exceeds this value or if the depth of fluid in an LCRS exceeds <br /> the minimum needed for pump operations, then the Discharger shall immediately <br /> cease the discharge of sludges and other high-moisture wastes to the landfill <br /> module and shall notify the Board in writing within seven days. Notification shall <br /> include a time table for remedial or corrective action necessary to reduce leachate <br /> production. <br /> General Waste Management Unit Construction <br /> 4. Design of waste management units shall include a Construction Quality Assurance <br /> Plan, which shall: <br /> a. be submitted for review and approval by the Board staff prior to construction; <br /> b. demonstrate that the waste management unit has been constructed according <br /> to the specifications and plans as approved by the Board staff; and <br /> C. provide quality control on the materials and construction practices used to <br /> construct the waste management unit and prevent the use of inferior products <br /> and/or materials which do not meet the approved design plans or <br /> specifications. <br /> 5. Clay liners and landfill caps shall have a hydraulic conductivity of 1 x 10' cm/s or <br /> less and a minimum relative compaction of 90%. Hydraulic conductivities of liner <br /> materials shall be determined by laboratory tests using solutions with similar <br /> properties as the fluids that will be contained. Hydraulic conductivities of cap <br /> materials shall be determined by laboratory tests using water. Hydraulic <br />