where:
Es is the sulfur dioxide emission limit, in ng/J or lb/million Btu heat input
Ka is 520 ng/J (or 1.2 lb/million Btu)
Kb is 340 ng/J (or 0.80 lb/million Btu)
Ha is the heat input from the combustion of coal, in J (million Btu)
Hb is the heat input from the combustion of oil, in J (million Btu)
Only the heat input supplied to the affected facility from the combustion of coal and oil is counted under this subsection. No credit is provided for the heat input to the affected facility from the combustion of natural gas, wood, municipal-type solid waste, or other fuels or heat input to the affected facility from exhaust gases from another source, such as gas turbines, internal combustion engines, kilns, etc.
NR 440.205(3)(b) (b) On and after the date on which the performance test is completed or required to be completed under s. NR 440.08, whichever comes first, no owner or operator of an affected facility that combusts coal refuse alone in a fluidized bed combustion steam generating unit may cause to be discharged into the atmosphere any gases that contain sulfur dioxide in excess of 20% of the potential sulfur dioxide emission rate (80% reduction) and that contain sulfur dioxide in excess of 520 ng/J (1.2 lb/million Btu) heat input. If coal or oil is fired with coal refuse, the affected facility is subject to par. (a) or (d), as applicable.
NR 440.205(3)(c) (c) On and after the date on which the performance test is completed or is required to be completed under s. NR 440.08, whichever comes first, no owner or operator of an affected facility that combusts coal or oil, either alone or in combination with any other fuel, and that uses an emerging technology for the control of sulfur dioxide emissions, may cause to be discharged into the atmosphere any gases that contain sulfur dioxide in excess of 50% of the potential sulfur dioxide emission rate (50% reduction) and that contain sulfur dioxide in excess of the emission limit determined according to the following formula: - See PDF for diagram PDF
where:
Es is the sulfur dioxide emission limit, expressed in ng/J or lb/million Btu heat input
Kc is 260 ng/J (or 0.60 lb/million Btu)
Kd is 170 ng/J (or 0.40 lb/million Btu)
Hc is the heat input from the combustion of coal, in J (million Btu)
Hd is the heat input from the combustion of oil, in J (million Btu)
Only the heat input supplied to the affected facility from the combustion of coal and oil is counted under this subsection. No credit is provided for the heat input to the affected facility from the combustion of natural gas, wood, municipal-type solid waste, or other fuels, or from the heat input to the affected facility from exhaust gases from another source, such as gas turbines, internal combustion engines, kilns, etc.
NR 440.205(3)(d) (d) On and after the date on which the performance test is completed or required to be completed under s. NR 440.08, whichever comes first, no owner or operator of an affected facility listed in subd. 1., 2. or 3. may cause to be discharged into the atmosphere any gases that contain sulfur dioxide in excess of 520 ng/J (1.2 lb/million Btu) heat input if the affected facility combusts coal, or 215 ng/J (0.50 lb/million Btu) heat input if the affected facility combusts oil other than very low sulfur oil. Percent reduction requirements are not applicable to affected facilities under this paragraph.
NR 440.205(3)(d)1. 1. Affected facilities that have an annual capacity factor for coal and oil of 30% (0.30) or less and are subject to a federally enforceable permit limiting the operation of the affected facility to an annual capacity factor for coal and oil to 30% (0.30) or less;
NR 440.205(3)(d)2. 2. Affected facilities located in a noncontinental area; or
NR 440.205(3)(d)3. 3. Affected facilities combusting coal or oil, alone or in combination with any other fuel, in a duct burner as part of a combined cycle system where 30% (0.30) or less of the heat input to the steam generating unit is from combustion of coal and oil in the duct burner and 70% (0.70) or more of the heat input to the steam generating unit is from the exhaust gases entering the duct burner.
NR 440.205(3)(e) (e) Except as provided in par. (f), compliance with the emission limits, fuel oil sulfur limits, and/or percent reduction requirements under this subsection are determined on a 30-day rolling average basis.
NR 440.205(3)(f) (f) Except as provided for in par. (j) 2., compliance with the emission limits or fuel oil sulfur limits under this subsection is determined on a 24-hour average basis for affected facilities that:
NR 440.205(3)(f)1. 1. Have a federally enforceable permit limiting the annual capacity factor for oil to 10% or less;
NR 440.205(3)(f)2. 2. Combust only very low sulfur oil; and
NR 440.205(3)(f)3. 3. Do not combust any other fuel.
NR 440.205(3)(g) (g) Except as provided in par. (i), the sulfur dioxide emission limits and percent reduction requirements under this subsection apply at all times, including periods of startup, shutdown, and malfunction.
NR 440.205(3)(h) (h) Reductions in the potential sulfur dioxide emission rate through fuel pretreatment are not credited toward the percent reduction requirement under par. (c) unless:
NR 440.205(3)(h)1. 1. Fuel pretreatment results in a 50% or greater reduction in potential sulfur dioxide emissions and
NR 440.205(3)(h)2. 2. Emissions from the pretreated fuel (without combustion or post combustion sulfur dioxide control) are equal to or less than the emission limits specified in par. (c).
NR 440.205(3)(i) (i) An affected facility subject to par. (a), (b), or (c) may combust very low sulfur oil or natural gas when the sulfur dioxide control system is not being operated because of malfunction or maintenance of the sulfur dioxide control system.
NR 440.205(3)(j) (j) Percent reduction requirements are not applicable to affected facilities combusting only very low sulfur oil. The owner or operator of an affected facility combusting very low sulfur oil shall demonstrate that the oil meets the definition of very low sulfur oil by:
NR 440.205(3)(j)1. 1. Following the performance testing procedures as described in sub. (6) (c) or (d), and following the monitoring procedures as described in sub. (8) (a) or (b) to determine sulfur dioxide emission rate or fuel oil sulfur content; or
NR 440.205(3)(j)2. 2. Maintaining fuel receipts as described in sub. (10) (r).
NR 440.205(4) (4)Standard for particulate matter.
NR 440.205(4)(a)(a) On and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever comes first, no owner or operator of an affected facility which combusts coal or combusts mixtures of coal with other fuels, may cause to be discharged into the atmosphere from that affected facility any gases which contain particulate matter in excess of the following emission limits:
NR 440.205(4)(a)1. 1. 22 ng/J (0.051 lb/million Btu) heat input;
NR 440.205(4)(a)1.a. a. If the affected facility combusts only coal, or
NR 440.205(4)(a)1.b. b. If the affected facility combusts coal and other fuels and has an annual capacity factor for the other fuels of 10% (0.10) or less.
NR 440.205(4)(a)2. 2. 43 ng/J (0.10 lb/million Btu) heat input if the affected facility combusts coal and other fuels and has an annual capacity factor for the other fuels greater than 10% (0.10) and is subject to a federally enforceable requirement limiting operation of the affected facility to an annual capacity factor greater than 10% (0.10) for fuels other than coal.
NR 440.205(4)(a)3. 3. 86 ng/J (0.20 lb/million Btu) heat input if the affected facility combusts coal or coal and other fuels and:
NR 440.205(4)(a)3.a. a. Has an annual capacity factor for coal or coal and other fuels of 30% (0.30) or less,
NR 440.205(4)(a)3.b. b. Has a maximum heat input capacity of 73 MW (250 million Btu/hour) or less,
NR 440.205(4)(a)3.c. c. Has a federally enforceable requirement limiting operation of the affected facility to an annual capacity factor 30% (0.30) or less for coal or coal and other solid fuels, and
NR 440.205(4)(a)3.d. d. Construction of the affected facility commenced after June 19, 1984 and before November 25, 1986.
NR 440.205(4)(b) (b) On or after the date on which the performance test is completed or required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that combusts oil, or mixtures of oil with other fuels, and uses a conventional or emerging technology to reduce sulfur dioxide emissions may discharge into the atmosphere from that affected facility any gases that contain particulate matter in excess of 43 ng/J (0.10 lb/million Btu) heat input.
NR 440.205(4)(c) (c) On and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that combusts wood, or wood with other fuels, except coal, may cause to be discharged from that affected facility any gases that contain particulate matter in excess of the following emission limits:
NR 440.205(4)(c)1. 1. 43 ng/J (0.10 lb/million Btu) heat input if the affected facility has an annual capacity factor greater than 30% (0.30) for wood.
NR 440.205(4)(c)2. 2. 86 ng/J (0.20 lb/million Btu) heat input if:
NR 440.205(4)(c)2.a. a. The affected facility has an annual capacity factor of 30% (0.30) or less for wood,
NR 440.205(4)(c)2.b. b. Is subject to a federally enforceable requirement limiting operation of the affected facility to an annual capacity factor 30% (0.30) or less for wood, and:
NR 440.205(4)(c)2.c. c. Has a maximum heat input capacity of 73 MW (250 million Btu/hour) or less.
NR 440.205(4)(d) (d) On and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that combusts municipal-type solid waste or mixtures of municipal-type solid waste with other fuels, may cause to be discharged into the atmosphere from that affected facility any gases that contain particulate matter in excess of the following emission limits:
NR 440.205(4)(d)1. 1. 43 ng/J (0.10 lb/million Btu) heat input if;
NR 440.205(4)(d)1.a. a. The affected facility combusts only municipal-type solid waste, or
NR 440.205(4)(d)1.b. b. The affected facility combusts municipal-type solid waste and other fuels and has an annual capacity factor for the other fuels of 10% (0.10) or less.
NR 440.205(4)(d)2. 2. 86 ng/J (0.20 lb/million Btu) heat input if the affected facility combusts municipal-type solid waste or municipal-type solid waste and other fuels; and
NR 440.205(4)(d)2.a. a. Has an annual capacity factor for municipal-type solid waste and other fuels of 30% (0.30) or less,
NR 440.205(4)(d)2.b. b. Has a maximum heat input capacity of 73 MW (250 million Btu/hour) or less,
NR 440.205(4)(d)2.c. c. Has a federally enforceable requirement limiting operation of the affected facility to an annual capacity factor of 30% (0.30) for municipal-type solid waste, or municipal-type solid waste and other fuels, and
NR 440.205(4)(d)2.d. d. Construction of the affected facility commenced after June 19, 1984, but before November 25, 1986.
NR 440.205(4)(e) (e) For the purposes of this subsection, the annual capacity factor is determined by dividing the actual heat input to the steam generating unit during the calendar year from the combustion of coal, wood, or municipal- type solid waste, and other fuels, as applicable, by the potential heat input to the steam generating unit if the steam generating unit had been operated for 8,760 hours at the maximum design heat input capacity.
NR 440.205(4)(f) (f) On and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that combusts coal, oil, wood or mixtures of these fuels with any other fuels may cause to be discharged into the atmosphere any gases that exhibit greater than 20% opacity (6-minute average), except for one 6-minute period per hour of not more than 27% opacity.
NR 440.205(4)(g) (g) The particulate matter and opacity standards apply at all times, except during periods of startup, shutdown or malfunction.
NR 440.205(5) (5)Standard for nitrogen oxides.
NR 440.205(5)(a)(a) Except as provided under pars. (k) and (L), on and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that is subject to the provisions of this subsection and that combusts only coal, oil or natural gas may cause to be discharged into the atmosphere from that affected facility any gases that contain nitrogen oxides (expressed as NO2) in excess of the following emission limits: - See PDF for table PDF
NR 440.205(5)(b) (b) Except as provided under pars. (k) and (L), on and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that simultaneously combusts mixtures of coal, oil or natural gas may cause to be discharged into the atmosphere from that affected facility any gases that contain nitrogen oxides in excess of a limit determined by use of the following formula: - See PDF for diagram PDF
where:
En is the nitrogen oxides emission limit (expressed as NO2), ng/J (lb/million Btu)
ELgo is the appropriate emission limit from the table in par. (a) for combustion of natural gas or distillate oil, ng/J (lb/million Btu)
Hgo is the heat input from combustion of natural gas or distillate oil, J (million Btu)
ELro is the appropriate emission limit from the table in par. (a) for combustion of residual oil
Hro is the heat input from combustion of residual oil, J (million Btu)
ELc is the appropriate emission limit from the table in par. (a) for combustion of coal
Hc is the heat input from combustion of coal, J (million Btu)
NR 440.205(5)(c) (c) Except as provided under par. (L), on and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever comes first, no owner or operator of an affected facility that simultaneously combusts coal or oil, or a mixture of these fuels with natural gas, and wood, municipal-type solid waste or any other fuel may cause to be discharged into the atmosphere any gases that contain nitrogen oxides in excess of the emission limit for the coal or oil, or mixture of these fuels with natural gas, combusted in the affected facility, as determined pursuant to par. (a) or (b), unless the affected facility has an annual capacity factor for coal or oil, or mixture of these fuels with natural gas of 10% (0.10) or less and is subject to a federally enforceable requirement that limits operation of the affected facility to an annual capacity factor of 10% (0.10) or less for coal, oil or a mixture of these fuels with natural gas.
NR 440.205(5)(d) (d) On and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that simultaneously combusts natural gas with wood, municipal-type solid waste, or other solid fuel, except coal, may cause to be discharged into the atmosphere from that affected facility any gases that contain nitrogen oxides in excess of 130 ng/J (0.30 lb/million Btu) heat input unless the affected facility has an annual capacity factor for natural gas of 10% (0.10) or less and is subject to a federally enforceable requirement that limits operation of the affected facility to an annual capacity factor of 10% (0.10) or less for natural gas.
NR 440.205(5)(e) (e) Except as provided under par. (L), on and after the date on which the initial performance test is completed or is required to be completed under s. NR 440.08, whichever date comes first, no owner or operator of an affected facility that simultaneously combusts coal, oil or natural gas with byproduct/waste may cause to be discharged into the atmosphere from that affected facility any gases that contain nitrogen oxides in excess of an emission limit determined by the following formula unless the affected facility has an annual capacity factor for coal, oil and natural gas of 10% (0.10) or less and is subject to a federally enforceable requirement which limits operation of the affected facility to an annual capacity factor of 10% (0.10) or less: - See PDF for diagram PDF
where:
En is the nitrogen oxides emission limit (expressed as NO2), ng/J (lb/million Btu)
ELgo is the appropriate emission limit from the table in par. (a) for combustion of natural gas or distillate oil, ng/J (lb/million Btu)
Hgo is the heat input from combustion of natural gas, distillate oil and gaseous byproduct/waste, J (million Btu)
ELro is the appropriate emission limit from the table in par. (a) for combustion of residual oil, ng/J (lb/million Btu)
Hro is the heat input from combustion of residual oil or liquid byproduct/waste, J (million Btu)
ELc is the appropriate emission limit from the table in par. (a) for combustion of coal
Hc is the heat input from combustion of coal, J (million Btu)
NR 440.205(5)(f) (f) Any owner or operator of an affected facility that combusts byproduct/waste with either natural gas or oil may petition the administrator within 180 days of the initial startup of the affected facility to establish a nitrogen oxide emission limit which shall apply specifically to that affected facility when the byproduct/waste is combusted. The petition shall include sufficient and appropriate data, as determined by the administrator, such as nitrogen oxides emissions from the affected facility, waste composition (including nitrogen content), and combustion conditions to allow the administrator to confirm that the affected facility is unable to comply with the emission limits in par. (e) and to determine the appropriate emission limit for the affected facility.
NR 440.205(5)(f)1. 1. Any owner or operator of an affected facility petitioning for a facility-specific nitrogen oxides emission limit under this subsection shall:
NR 440.205(5)(f)1.a. a. Demonstrate compliance with the emission limits in the par. (a) table for natural gas and distillate oil or for residual oil as appropriate, by conducting a 30-day performance test as provided in sub. (7) (e). During the performance test only natural gas, distillate oil, or residual oil shall be combusted in the affected facility; and
NR 440.205(5)(f)1.b. b. Demonstrate that the affected facility is unable to comply with the emission limits in the par. (a) table for natural gas and distillate oil or for residual oil as appropriate, when gaseous or liquid byproduct/waste is combusted in the affected facility under the same conditions and using the same technological system of emission reduction applied when demonstrating compliance under subd. 1. a.
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Published under s. 35.93, Stats. Updated on the first day of each month. Entire code is always current. The Register date on each page is the date the chapter was last published.