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