NR 504.12(4)(b)1. 1. The permeability of the final cover system shall be less than or equal to the permeability of any bottom liner system or natural subsoils present or shall be no greater than 1 x 10-5 cm/sec, whichever is less.

NR 504.12(4)(b)2. 2. The design of the final cover system shall include an infiltration layer that achieves an equivalent reduction in infiltration as the layers specified under s. NR 504.07 (4).

NR 504.12(4)(b)3. 3. The design of the final cover system shall include an erosion layer that provides equivalent protection from wind or water erosion as the topsoil layer specified under s. NR 504.07 (7).

NR 504.12(4)(b)4. 4. The disruption of the integrity of the final cover system shall be minimized through a design that accommodates settling and subsidence.

NR 504.12 History History: CR 21-076: cr. Register July 2022 No. 799, eff. 8-1-22.