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• 0 <br /> WASTE DISCHARGE REQUIREMENTS <br /> SOILS RECYCLING FACILITY -7- <br /> WESTERN SOILS RECYCLING <br /> CALIFORNIA WASTE REMOVAL SYSTEMS <br /> CLASS II WASTE PILES <br /> SAN JOAQUIN COUNTY <br /> 11. Materials used to construct leachate collection and removal systems <br /> (LCRSs) shall have appropriate physical and chemical properties to <br /> ensure the required transmission of leachate over the life of the <br /> WMUs and the post-closure maintenance period. <br /> 12. LCRSs shall be designed, constructed, and maintained to collect <br /> twice the anticipated daily volume of leachate generated by the WMU <br /> and to prevent the buildup of hydraulic head on the underlying liner <br /> or underlying natural geologic materials of low hydraulic <br /> conductivity at any time. The depth of fluid in any LCRS sump shall <br /> be kept at the minimum needed for safe pump operation. <br /> 13. All WMUs shall be designed and constructed in accordance with <br /> Chapter 15 and this Order and approved by Board staff prior to <br /> construction and again prior to operation. The design plans <br /> submitted to the Board for review and approval prior to construction <br /> shall include, but not be limited to, the final engineered design <br /> plans for the WMU, the construction specifications, a construction <br /> quality assurance (CQA) plan, and a revised water quality monitoring <br /> plan. The final construction report shall include, but not be <br /> limited to, construction record drawings for the WMU, a CQA report <br /> with a written summary of the CQA program and all test results and <br /> analyses, and a certification as described in Specification 12. The <br /> final construction report shall be submitted within 60 days after <br /> construction completion. <br /> Supervision and Certification of Construction <br /> 14. All containment structures shall be designed and constructed under <br /> the direct supervision of a California registered civil engineer or <br /> a certified engineering geologist and shall be certified by that <br /> individual as meeting the prescriptive standards and performance <br /> goals of Chapter 15 and the approved design plans and specifications <br /> prior to waste discharge. <br /> Water Quality Protection Standard <br /> 15. The Water Quality Protection Standard, as defined in §2550.2 of <br /> Chapter 15, shall consist of constituents of concern, their <br /> concentration limits, the point of compliance, and all water quality <br /> monitoring points. Constituents of concern shall include all waste <br /> constituents, their reaction products, and hazardous constituents <br /> that are reasonably expected to be in or derived from waste <br /> contained in the WMUs. Concentration limits shall consist of <br /> background concentrations of each constituent of concern in each <br />