NR 665.0403 NoteNote: As required by s. NR 665.0015(3), the owner or operator shall remedy any deterioration or malfunction the owner or operator finds.

NR 665.0404NR 665.0404 Closure. At closure, all hazardous waste and hazardous waste residues shall be removed from treatment processes or equipment, discharge control equipment and discharge confinement structures.

NR 665.0404 NoteNote: At closure, as throughout the operating period, unless the owner or operator can demonstrate, in accordance with s. NR 661.0003 (3) or (4), that any solid waste removed from the treatment process or equipment is not a hazardous waste, the owner or operator becomes a generator of hazardous waste and shall manage it in accordance with all applicable requirements of chs. NR 662 and 663 and this chapter.

NR 665.0405NR 665.0405 Special requirements for ignitable or reactive waste. Ignitable or reactive waste may not be placed in a treatment process or equipment unless the requirements in sub. (1) or (2) are met:

NR 665.0405(1)(1) The waste is treated, rendered or mixed before or immediately after placement in the treatment process or equipment so that both of the following conditions are met:

NR 665.0405(1)(a)(a) The resulting waste, mixture or dissolution of material no longer meets the definition of ignitable or reactive waste under s. NR 661.0021 or 661.0023.

NR 665.0405(2)(2) The waste is treated in such a way that it is protected from any material or conditions which may cause the waste to ignite or react.

NR 665.0405 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; CR 19-082: am. (1) (a) Register August 2020 No. 776, eff. 9-1-20.

NR 665.0406(1)(1) Incompatible wastes, or incompatible wastes and materials, (see ch. NR 665 Appendix V for examples) may not be placed in the same treatment process or equipment, unless s. NR 665.0017 (2) is complied with.

NR 665.0406(2)(2) Hazardous waste may not be placed in unwashed treatment equipment which previously held an incompatible waste or material, unless s. NR 665.0017 (2) is complied with.

NR 665.0406 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; correction in (1) made under s. 13.92 (4) (b) 7., Stats., Register March 2013 No. 687.

NR 665.0430(1)(1) Except as provided in sub. (2), underground injection of any hazardous waste through a well is prohibited.

NR 665.0430(2)(2) Underground injection of contaminated groundwater that meets the definition of hazardous waste or contains a hazardous waste may be allowed as part of a remedial action necessary for the cleanup of soil or groundwater contamination, and is not subject to the requirements of chs. NR 664 and 665 subchs. A to E, G, H and N, and chs. NR 668 and 670, provided that all of the following requirements are met:

NR 665.0430(2)(a)(a) A person who proposes to perform the injection obtains written approval from the department.

NR 665.0430(2)(d)(d) The groundwater is injected into the same formation from which it was withdrawn.

NR 665.0440(1)(1) The requirements of this subchapter apply to owners and operators of facilities that use new or existing drip pads to convey treated wood drippage, precipitation or surface water run-off to an associated collection system. Existing drip pads are those constructed before June 1, 1995 and those for which the owner or operator has a design and has entered into binding financial or other agreements for construction prior to June 1, 1995. All other drip pads are new drip pads.

NR 665.0440(2)(2) The owner or operator of any drip pad that is inside or under a structure that provides protection from precipitation so that neither run-off nor run-on is generated is not regulated under s. NR 665.0443 (5) or (6), as appropriate.

NR 665.0440(3)(3) The requirements of this subchapter are not applicable to the management of infrequent and incidental drippage in storage yards provided that the owner or operator maintains and complies with a written contingency plan that describes how the owner or operator will respond immediately to the discharge of the infrequent and incidental drippage. At a minimum, the contingency plan shall describe how the facility will do all of the following: