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WASTE DISCHARGE REQUIREMENTS ORDER NO. R5-2014-0006 -34- FORWARD INC.AND REPUBLIC SERVICES INC. FORWARD CLASS II LANDFILL SAN JOAQUIN COUNTY 1 X 10-6 in the lower two-feet and lightly compacted to support vegetation in the upper one-foot; and 3) a robust vegetation cover with a minimum 60% plant coverage after two years and composed of plants selected to survive the Central Valley climate and effectively remove moisture. 3. The Discharger shall obtain revised WRs prior to closure with any other final cover design than the design or designs approved in this Order. 4. The Discharger shall close the landfill with side slopes at steepness of 3H:1 V or less, and top deck areas shall be sloped at three percent or greater. 5. The Discharger shall install an active landfill gas extraction system for the closed landfill unit during landfill closure, and landfill gas shall be extracted from closed landfill units until such time that the landfill gas is no longer a threat to water quality as documented by the Discharger and approved by the Executive Officer. 6. The Discharger shall test the shear strength of the final cover material in a laboratory to ensure minimum design shear strengths are achieved and include the results in the final documentation report. ® 7. The Discharger shall ensure that the vegetative/erosion resistant layer receives necessary seed, binder, and nutrients to establish the vegetation proposed in the final closure plan. The Discharger shall install necessary erosion and sedimentation controls to prevent erosion and sediment in runoff from the closed landfill during the period the vegetation is being established. 8. The Discharger shall comply with all Standard Closure and Post-Closure Specifications listed in Section G and all Standard Construction Specifications that are applicable to closure in Section F of the SPRRs dated January 2012 which are attached hereto and made part of this Order by reference. F. FINANCIAL ASSURANCE SPECIFICATIONS 1. The Discharger shall obtain and maintain assurances of financial responsibility with CalRecycle for closure and post-closure maintenance for the landfill in at least the amounts described in Findings 95 and 96, adjusted for inflation annually. A report regarding financial assurances for closure and post-closure maintenance shall be submitted to the Central Valley Water Board by 1 June of each year. This may be the same report that is submitted to CalRecycle for this purpose. If CalRecycle determines that either the amount of coverage or the mechanism is inadequate, then within 90 days of notification, the Discharger shall submit an acceptable mechanism to CalRecycle and the Central Valley Water Board for at least the amount of the approved cost estimate.