Section NR 668.14 - Surface impoundment exemptions(1) This section defines additional circumstances under which an otherwise prohibited waste may continue to be placed in a surface impoundment.(2) Wastes which are newly identified or listed under 42 USC 6921 after November 8, 1984, and stored in a surface impoundment that is newly subject to ch. 291, Stats., and chs. NR 660 to 673 as a result of the additional identification or listing, may continue to be stored in the surface impoundment for 48 months after the promulgation of the additional listing or characteristic, not withstanding that the waste is otherwise prohibited from land disposal, if the surface impoundment is in compliance with the requirements of subch. F of ch. NR 665 within 12 months after promulgation of the new listing or characteristic.(3) Wastes which are newly identified or listed under 42 USC 6921 after November 8, 1984, and treated in a surface impoundment that is newly subject to ch. 291, Stats., and chs. NR 660 to 673 as a result of the additional identification or listing, may continue to be treated in that surface impoundment, not withstanding that the waste is otherwise prohibited from land disposal, if the surface impoundment is in compliance with subch. F of ch. NR 665 within 12 months after the promulgation of the new listing or characteristic. In addition, if the surface impoundment continues to treat hazardous waste after 48 months from promulgation of the additional listing or characteristic, it must then be in compliance with s. NR 668.04.Wis. Admin. Code Department of Natural Resources NR 668.14
CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06.