Alternative final cover design for municipal solid waste landfills

Alternative final cover design for municipal solid waste landfills. Alternative final cover design for municipal solid waste landfills. All new municipal solid waste landfills and expansions of existing municipal solid waste landfills shall meet all of the requirements under s. NR 504.07 unless the owner demonstrates to the satisfaction of the department that the final cover system is designed to adequately protect public health, welfare, and the environment and meets all of the following criteria: (1) Design. (a) The final cover system shall include a grading layer meeting all of the requirements under s. NR 504.07 (2) . (b) The permeability of the final cover system shall be no greater than the permeability of the landfill’s liner system or 1 x 10 -7 cm/second, whichever is lower. (c) The final cover system shall include a layer that achieves an equivalent reduction in infiltration as the layers specified under s. NR 504.07 (4) . (d) The disruption of the integrity of the final cover system shall be minimized through a design that accommodates settling and subsidence. (e) The final cover system shall include an erosion-prevention layer that provides equivalent protection from wind or water erosion as the topsoil layer and vegetation specified under s. NR 504.07 (7) and (8) . (f) The final cover system shall meet the requirements of s. NR 504.07 (9) . (2) Submittal. The owner or operator of a landfill may propose an alternative final cover design in the feasibility report required under ch. NR 512 or as a modification to an existing plan of operation. Plan modification submittals shall adhere to the following schedule: (a) An owner or operator intending to construct a final cover in 2026 may submit a plan modification in 2025. (b) An owner or operator intending to construct a final cover in 2027 may submit a plan modification in 2026. (c) An owner or operator intending to construct a final cover during or after 2028 may submit a plan modification during or after 2027.