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DRAFT [TENTATIVE] WASTE DISCHARGE REQUIREMENTS ORDER R5-2023-00XX 81 <br />FORWARD, INC. <br />FORWARD LANDFILL <br />SAN JOAQUIN COUNTY <br />STANDARD PROVISIONS & REPORTING REQUIREMENTS <br />C.F.R. § 258.60(d)]. This notification shall be included in the cover letter <br />transmitting the preliminary closure and post-closure maintenance plan. <br />7.In addition to the applicable provisions of Title 27, the preliminary closure <br />and/or the post-closure maintenance plans for MSW landfill units shall <br />include the following: <br />a.A description of the steps necessary to close all MSW landfill units <br />at any point during their active life in accordance with the cover <br />design requirements [40 C.F.R. § 258.60(c)]; <br />b.An estimate of the largest area of the landfill unit(s) ever requiring a <br />final cover at any time during the active life of the unit(s) [40 C.F.R. <br />§ 258.60(c)(2)]; <br />c.An estimate of the maximum inventory of wastes ever on-site over <br />the active life of the waste management facility [40 C.F.R. <br />§ 258.60(c)(3)]; and <br />d.A schedule for completing all activities necessary to satisfy the <br />closure criteria in 40 C.F.R. section 258.60 [40 C.F.R. <br />§ 258.60(c)(4)]. <br />8.The final closure and post-closure maintenance plan for the waste <br />management unit shall include at least the following: an itemized cost <br />analysis, closure schedule, any proposed final treatment procedures, map, <br />changes to the unit description presented in the most recent ROWD, <br />federal requirements for a MSW facility, land use of the closed unit, and a <br />construction quality assurance plan [Title 27, § 21769(c) & (d)]. <br />9.Closure of each waste management unit shall be under the direct <br />supervision of a registered civil engineer or certified engineering geologist <br />[Title 27, § 20950(b)]. <br />10.The final cover of closed landfills shall be designed, graded, and <br />maintained to prevent ponding and soil erosion due to high run-off <br />velocities [Title 27, § 21090(b)(1)(A)]. <br />11.The final grading design shall be designed and approved by a registered <br />civil engineer or certified engineering geologist [Title 27, § 21090(b)(1)(C)]. <br />12.All final cover designs shall include a minimum 1-foot thick erosion <br />resistant layer [Title 27, § 21090(a)(3)(A)].