NR 666.100(7)(a)(a) Provide a one-time written notice to the department indicating all of the following: NR 666.100(7)(a)2.2. The hazardous waste is burned for legitimate recovery of precious metal. NR 666.100(7)(a)3.3. The owner or operator will comply with the sampling and analysis and recordkeeping requirements of this subsection. NR 666.100(7)(b)(b) Sample and analyze the hazardous waste as necessary to document that the waste contains economically significant amounts of the metals and that the treatment recovers economically significant amounts of precious metal. NR 666.100(7)(c)(c) Maintain at the facility for at least 3 years records to document that all hazardous wastes burned are burned for recovery of economically significant amounts of precious metal. NR 666.100(8)(8) Starting June 23, 1997, owners or operators of lead recovery furnaces that process hazardous waste for recovery of lead and that are subject to regulation under the Secondary Lead Smelting national standards for hazardous air pollutants (NESHAP), are conditionally exempt from regulation under this subchapter, except for s. NR 666.101. To be exempt, an owner or operator shall provide a one-time notice to the department identifying each hazardous waste burned and specifying that the owner or operator claims an exemption under this subsection. The notice also shall state that the waste burned has a total concentration of non-metal compounds listed in ch. NR 661 Appendix VIII, of less than 500 ppm by weight, as fired and as provided in sub. (4) (b) 1., or is listed in ch. NR 666 Appendix XI. NR 666.100 HistoryHistory: CR 05-032: cr. Register July 2006 No. 607, eff. 8-1-06; corrections in (2) (b) 5., (4) (c) 1. (intro.), a., 2. (intro.), c., (8) made under s. 13.92 (4) (b) 7., Stats., Register March 2013 No. 687; CR 16-007: am. (2) (a), cr. (2) (c), (d), am. (4) (a) 2., r. and recr. (7) (b) Register July 2017 No. 739, eff. 8-1-17; CR 19-082: am. (3) (c), (4) (c) 1. b. Register August 2020 No. 776, eff. 9-1-20. NR 666.101(1)(1) Generators. Generators of hazardous waste that is burned in a boiler or industrial furnace are subject to ch. NR 662 . NR 666.101(2)(2) Transporters. Transporters of hazardous waste that is burned in a boiler or industrial furnace are subject to ch. NR 663. NR 666.101(3)(a)(a) Owners and operators of facilities that store or treat hazardous waste that is burned in a boiler or industrial furnace are subject to the applicable provisions of chs. NR 664, 665, 667 and 670, except as provided by sub. (3) (b). These standards apply to storage and treatment by the burner as well as to storage and treatment facilities operated by intermediaries (processors, blenders, distributors, etc.) between the generator and the burner. NR 666.101(3)(b)(b) Owners and operators of facilities that burn, in an on-site boiler or industrial furnace exempt from regulation under the small quantity burner provisions of s. NR 666.108, hazardous waste that they generate are exempt from the regulations of chs. NR 664, 665, 667 and 670 applicable to storage units for those storage units that store mixtures of hazardous waste and the primary fuel to the boiler or industrial furnace in tanks that feed the fuel mixture directly to the burner. Storage of hazardous waste prior to mixing with the primary fuel is subject to regulation as prescribed in par. (a). NR 666.102NR 666.102 License standards for burners. NR 666.102(1)(a)(a) General. Owners and operators of boilers and industrial furnaces burning hazardous waste and not operating under an interim license shall comply with this section and ss. NR 670.022 and 670.066, unless exempt under the small quantity burner exemption of s. NR 666.108. NR 666.102(1)(b)(b) Applicability of ch. NR 664 standards. Owners and operators of boilers and industrial furnaces that burn hazardous waste are subject to the following provisions of ch. NR 664, except as provided otherwise by this subchapter: