NR 440.76(1)(c)3.b.b. Your unit combusts homogeneous waste, excluding refuse-derived fuel, to produce electricity and steam or other forms of energy used for industrial, commercial, heating or cooling purposes. NR 440.76(1)(c)3.d.d. You provide the department with documentation that the unit qualifies for the exemption. NR 440.76(1)(c)4.4. ‘Municipal waste combustion units that combust only tires.’ You are exempt from this section if you meet the following 3 requirements: NR 440.76(1)(c)4.a.a. Your municipal waste combustion unit combusts a single-item waste stream of tires and no other municipal waste. However, the unit can co-fire coal, fuel oil, natural gas or other nonmunicipal solid waste. NR 440.76(1)(c)4.c.c. You provide the department with documentation that the unit qualifies for the exemption. NR 440.76(1)(c)5.5. ‘Hazardous waste combustion units.’ You are exempt from this section if you get a permit for your unit under section 3005 of the Solid Waste Disposal Act (42 USC 6925) or a license under s. 291.25, Stats. NR 440.76(1)(c)6.6. ‘Materials recovery units.’ You are exempt from this section if your unit combusts waste mainly to recover metals. Primary and secondary smelters qualify for the exemption. NR 440.76(1)(c)7.7. ‘Co-fired combustors.’ You are exempt from this section if you meet the following 4 requirements: NR 440.76(1)(c)7.a.a. Your unit has a federally enforceable permit limiting the combustion of municipal solid waste to 30% of the total fuel input by weight. NR 440.76(1)(c)7.c.c. You provide the department with a copy of the federally enforceable permit. NR 440.76 NoteNote: If the department issued the permit you may satisfy the requirement in subd. 7.c. by providing the department with your facility identification number and the number and date of issuance of the permit which limits the amount of municipal solid waste combusted.
NR 440.76(1)(c)7.d.d. You record the weights, each quarter, of municipal solid waste and of all other fuels combusted. NR 440.76(1)(c)8.8. ‘Plastics or rubber recycling units.’ You are exempt from this section if you meet the following 4 requirements: NR 440.76(1)(c)8.a.a. Your pyrolysis or combustion unit is an integrated part of a plastics or rubber recycling unit as defined in sub. (2). NR 440.76(1)(c)8.b.b. You record the weights, each quarter, of plastics, rubber and rubber tires processed. NR 440.76(1)(c)8.c.c. You record the weights, each quarter, of feed stocks produced and marketed from chemical plants and petroleum refineries. NR 440.76(1)(c)9.9. ‘Units that combust fuels made from products of plastics or rubber recycling plants.’ You are exempt from this section if you meet the following 2 requirements: NR 440.76(1)(c)9.a.a. Your unit combusts gasoline, diesel fuel, jet fuel, fuel oils, residual oil, refinery gas, petroleum coke, liquified petroleum gas, propane or butane produced by chemical plants or petroleum refineries that use feedstocks produced by plastics or rubber recycling units. NR 440.76(1)(c)10.10. ‘Cement kilns.’ You are exempt from this section if your cement kiln combusts municipal solid waste. NR 440.76(1)(c)11.11. ‘Air curtain incinerators.’ If your air curtain incinerator, as defined in sub. (2), combusts 100% yard waste, only the requirements under sub. (14) apply to you. NR 440.76(1)(d)(d) Do the new source performance standards of s. NR 440.21 also apply to my municipal waste combustion unit? If this section applies to your municipal waste combustion unit, then s. NR 440.21 does not apply to your municipal waste combustion unit. NR 440.76(1)(f)(f) How are these new source performance standards structured? These new source performance standards contain the following 5 major components: