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WASTE DISCHARGE REQUIREMENTS -10- <br /> FORWARD INCORPORATED <br /> WASTE MANAGEMENT FACILITY <br /> CLASS II LANDFILLS <br /> CLASS III LANDFILLS <br /> CLASS II SURFACE IMPOUNDMENT ` <br /> CLASS II LAND TREATMENT UNIT <br /> SAN JOAQUIN COUNTY <br /> Hydraulic conductivities determined through laboratory methods shall <br /> be confirmed by field testing of the finished liner. Construction <br /> methods and quality assurance procedures shall be sufficient to ensure <br /> that all parts of the liner and cap meet the hydraulic conductivity <br /> and compaction requirements. <br /> 13. LCRS shall be designed, constructed, and maintained to collect twice <br /> the anticipated daily volume of leachate generated by the WMU and to <br /> prevent the buildup of hydraulic head on the underlying liner at any <br /> time. The depth of fluid in any LCRS sump shall be maintained low <br /> enough to prevent a significant head on the liner. <br /> SUPERVISION AND CERTIFICATION OF CONSTRUCTION <br /> 14. All containment structures shall be designed and constructed under the <br /> direct supervision of a California registered civil engineer or a <br /> certified engineering geologist and shall be certified by that <br /> individual as meeting the prescriptive standards and performance goals <br /> of Subchapter 15 prior to waste discharge. <br /> TER QUALITY PROTECTION STANDARDS <br /> 15. The concentrations of indicator parameters or waste constituents in <br /> waters passing through the Points of Compliance shall not exceed the <br /> "water quality protection standards" established pursuant to <br /> Monitoring and Reporting Program No. , which is attached to <br /> these WDRs. <br /> PROTECTION FROM STORM EVENTS <br /> 16. Waste management units shall be designed, constructed, and operated to <br /> prevent inundation or washout due to floods with a 100-year return <br /> period. Class II surface impoundments, landfills, and related <br /> containment structures shall be constructed and maintained to prevent <br /> inundation, erosion, slope failure, washout, and overtopping under <br /> 1,000-year, 24-hour precipitation conditions and the 100-year return <br /> wet season. Class III landfill units and related containment <br /> structures shall be constructed and maintained to prevent ponding, <br /> infiltration, inundation, erosion, slope failure, washout, and <br /> overtopping under 100-year, 24-hour precipitation conditions. <br />