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DRAFT [TENTATIVE] WASTE DISCHARGE REQUIREMENTS ORDER R5-2023-OOXX 44 <br /> FORWARD, INC. <br /> FORWARD LANDFILL <br /> SAN JOAQUIN COUNTY <br /> Construction Specifications (SPRRs, section F), as well as the following with <br /> respect to closure of landfills at the Facility. <br /> 1. The Discharger shall submit a Final or Partial Final Closure and Post <br /> Closure Maintenance Plan (CPMP), in accordance with section G of the <br /> SPRRs, at least two years prior to the proposed closure of any portion of <br /> any landfill. <br /> 2. The Discharger shall close landfills with the final cover components <br /> proposed in the operative Preliminary Closure and Post-Closure <br /> Maintenance Plan (CPMP), as described in Finding 112 and Attachment <br /> F. <br /> 3. The Discharger shall obtain revised WDRs prior to closure of any landfill <br /> with a final cover other than the one(s) approved herein. <br /> 4. During or after final cover installation, the Discharger may perform minor <br /> modifications to problematic areas of the final cover, provided that: (a) the <br /> barrier layer of the final cover (e.g., geomembrane, GCL and/or <br /> compacted clay layer) remains intact; and (b) the Central Valley Water <br /> Board approves of such modifications. <br /> 5. If the final cover incorporates a geomembrane barrier, all edges of the <br /> final cover shall be sealed by connecting to the liner. <br /> 6. The Discharger shall apply a volume of seed, binder and nutrients to the <br /> vegetative/erosion-resistant layer sufficient to establish the vegetation <br /> proposed in the final closure plan. The Discharger shall also install any <br /> necessary erosion and sedimentation controls to protect vegetation while <br /> it is being established. <br /> 7. Critical interfaces of the final cover shall be laboratory-tested to ensure <br /> minimum design shear strength. The results of such testing shall be <br /> reported to the Central Valley Water Board as part of the Construction <br /> Quality Assurance (CQA) Report. <br /> 8. The Discharger shall include estimated final closure dates of the WMUs in <br /> the Annual Monitoring Report E.2 as specified in MRP R5-2023-00XX. <br />