NR 664.0112(4)(b)1.1. No later than 30 days after the date on which any hazardous waste management unit receives the known final volume of hazardous wastes, or if there is a reasonable possibility that the hazardous waste management unit will receive additional hazardous wastes, no later than one year after the date on which the unit received the most recent volume of hazardous wastes. If the owner or operator of a hazardous waste management unit can demonstrate to the department that the hazardous waste management unit or facility has the capacity to receive additional hazardous wastes and the owner or operator has taken all steps to prevent threats to human health and the environment, including compliance with all applicable operating license requirements, the department may approve an extension to this one-year limit. NR 664.0112(4)(b)2.2. For units meeting the requirements of s. NR 664.0113 (4), no later than 30 days after the date on which the hazardous waste management unit receives the known final volume of non-hazardous wastes, or if there is a reasonable possibility that the hazardous waste management unit will receive additional non-hazardous wastes, no later than one year after the date on which the unit received the most recent volume of non-hazardous wastes. If the owner or operator can demonstrate to the department that the hazardous waste management unit has the capacity to receive additional non-hazardous wastes and the owner or operator has taken, and will continue to take, all steps to prevent threats to human health and the environment, including compliance with all applicable operating license requirements, the department may approve an extension to this one-year limit. NR 664.0112(4)(c)(c) If the facility’s operating license is denied, suspended or revoked, or if the facility is otherwise ordered, by judicial decree or final order under 42 USC 6928 or by the department, to cease receiving hazardous wastes or to close, then the requirements of this subsection do not apply. However, the owner or operator shall close the facility in accordance with the deadlines established in s. NR 664.0113. NR 664.0112(5)(5) Removal of wastes and decontamination or dismantling of equipment. Nothing in this section shall preclude the owner or operator from removing hazardous wastes and decontaminating or dismantling equipment in accordance with the approved partial or final closure plan at any time before or after notification of partial or final closure. NR 664.0112 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; CR 19-082: am. (4) (c) Register August 2020 No 776, eff. 9-1-20. NR 664.0113NR 664.0113 Closure; time allowed for closure. NR 664.0113(1)(1) Within 90 days after receiving the final volume of hazardous wastes, or the final volume of non-hazardous wastes if the owner or operator complies with all applicable requirements in subs. (4) and (5), at a hazardous waste management unit or facility, the owner or operator shall treat, remove from the unit or facility or dispose of on-site, all hazardous wastes in accordance with the approved closure plan. The department may approve a longer period if the owner or operator complies with all applicable requirements for requesting a modification to the operating license and demonstrates that the conditions in pars. (a) and (b) are met: NR 664.0113(1)(a)1.1. The activities required to comply with this subsection will, of necessity, take longer than 90 days to complete. NR 664.0113(1)(a)2.a.a. The hazardous waste management unit or facility has the capacity to receive additional hazardous wastes, or has the capacity to receive non-hazardous wastes if the owner or operator complies with subs. (4) and (5). NR 664.0113(1)(a)2.b.b. There is a reasonable likelihood that the owner or operator or another person will recommence operation of the hazardous waste management unit or the facility within one year. NR 664.0113(1)(a)2.c.c. Closure of the hazardous waste management unit or facility would be incompatible with continued operation of the site. NR 664.0113(1)(b)(b) The owner or operator has taken and will continue to take all steps to prevent threats to human health and the environment, including compliance with all applicable operating license requirements. NR 664.0113(2)(2) The owner or operator shall complete partial and final closure activities in accordance with the approved closure plan and within 180 days after receiving the final volume of hazardous wastes, or the final volume of non-hazardous wastes if the owner or operator complies with all applicable requirements in subs. (4) and (5), at the hazardous waste management unit or facility. The department may approve an extension to the closure period if the owner or operator complies with all applicable requirements for requesting a modification to the operating license and demonstrates that the conditions in pars. (a) and (b) are met: NR 664.0113(2)(a)1.1. The partial or final closure activities will, of necessity, take longer than 180 days to complete. NR 664.0113(2)(a)2.a.a. The hazardous waste management unit or facility has the capacity to receive additional hazardous wastes, or has the capacity to receive non-hazardous wastes if the owner or operator complies with subs. (4) and (5). NR 664.0113(2)(a)2.b.b. There is reasonable likelihood that the owner or operator or another person will recommence operation of the hazardous waste management unit or the facility within one year. NR 664.0113(2)(a)2.c.c. Closure of the hazardous waste management unit or facility would be incompatible with continued operation of the site. NR 664.0113(2)(b)(b) The owner or operator has taken and will continue to take all steps to prevent threats to human health and the environment from the unclosed but not operating hazardous waste management unit or facility, including compliance with all applicable operating license requirements. NR 664.0113(3)(a)(a) The demonstrations in sub. (1) (a) shall be made at least 30 days prior to the expiration of the 90-day period in sub. (1). NR 664.0113(3)(b)(b) The demonstration in sub. (2) (a) shall be made at least 30 days prior to the expiration of the 180-day period in sub. (2), unless the owner or operator is otherwise subject to the deadlines in sub. (4). NR 664.0113(4)(4) The department may allow an owner or operator to receive only non-hazardous wastes in a landfill or surface impoundment unit after the final receipt of hazardous wastes at that unit if all the following conditions are met: NR 664.0113(4)(a)(a) The owner or operator requests an operating license modification in compliance with all applicable requirements in ch. NR 670 and in the license modification request demonstrates that all the following criteria are met: NR 664.0113(4)(a)1.1. The unit has the existing design capacity as indicated on the part A application to receive non-hazardous wastes. NR 664.0113(4)(a)2.2. There is a reasonable likelihood that the owner or operator or another person will receive non-hazardous wastes in the unit within one year after the final receipt of hazardous wastes.