NR 440.207(2)(v)(v) “Residual oil” means crude oil, fuel oil that does not comply with the specifications under the definition of distillate oil, and all fuel oil numbers 4, 5 and 6, as defined by the American Society for Testing and Materials in ASTM D396-98, Standard Specification for Fuel Oils, incorporated by reference in s. NR 440.17 (2) (a) 13.
NR 440.207(2)(w)(w) “Steam generating unit” means a device that combusts any fuel and produces steam or heats water or any other heat transfer medium. This term includes any duct burner that combusts fuel and is part of a combined cycle system. This term does not include process heaters as defined in this section.
NR 440.207(2)(x)(x) “Steam generating unit operating day” means a 24-hour period between 12:00 midnight and the following midnight during which any fuel is combusted at any time in the steam generating unit. It is not necessary for fuel to be combusted continuously for the entire 24-hour period.
NR 440.207(2)(y)(y) “Wet flue gas desulfurization technology” means an SO2 control system that is located between the steam generating unit and the exhaust vent or stack, and that removes sulfur oxides from the combustion gases of the steam generating unit by contacting the combustion gases with an alkaline slurry or solution and forming a liquid material. This definition includes devices where the liquid material is subsequently converted to another form. Alkaline reagents used in wet flue gas desulfurization systems include, but are not limited to, lime, limestone and sodium compounds.
NR 440.207(2)(z)(z) “Wet scrubber system” means any emission control device that mixes an aqueous stream or slurry with the exhaust gases from a steam generating unit to control emissions of particulate matter (PM) or SO2.
NR 440.207(2)(zm)(zm) “Wood” means wood, wood residue, bark or any derivative fuel or residue thereof, in any form, including but not limited to sawdust, sanderdust, wood chips, scraps, slabs, millings, shavings and processed pellets made from wood or other forest residues.
NR 440.207(3)(3)Standards for sulfur dioxide.
NR 440.207(3)(a)(a) Except as provided in pars. (b), (c) and (e), on and after the date on which the initial performance test is completed or required to be completed under s. NR 440.08, whichever date comes first, the owner or operator of an affected facility that combusts only coal may neither:
NR 440.207(3)(a)1.1. Cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of 10% (0.10) of the potential SO2 emission rate, 90% reduction; nor
NR 440.207(3)(a)2.2. Cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of 520 ng/J (1.2 lb/million Btu) heat input. If coal is combusted with other fuels, the affected facility is subject to the 90% SO2 reduction requirement specified in this paragraph and the emission limit is determined pursuant to par. (e) 2.
NR 440.207(3)(b)(b) Except as provided in pars. (c) and (e), on and after the date on which the initial performance test is completed or required to be completed under s. NR 440.08, whichever date comes first, the owner or operator of an affected facility that:
NR 440.207(3)(b)1.1. Combusts coal refuse alone in a fluidized bed combustion steam generating unit may neither:
NR 440.207(3)(b)1.a.a. Cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of 20% (0.20) of the potential SO2 emission rate (80% reduction); nor
NR 440.207(3)(b)1.b.b. Cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of 520 ng/J (1.2 lb/million Btu) heat input. If coal is fired with coal refuse, the affected facility is subject to par. (a). If oil or any other fuel, except coal, is fired with coal refuse, the affected facility is subject to the 90% SO2 reduction requirement specified in par. (a) and the emission limit determined pursuant to par. (e) 2.
NR 440.207(3)(b)2.2. Combusts only coal and that uses an emerging technology for the control of SO2 emissions may neither:
NR 440.207(3)(b)2.a.a. Cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of 50% (0.50) of the potential SO2 emission rate, 50% reduction; nor
NR 440.207(3)(b)2.b.b. Cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of 260 ng/J (0.60 lb/million Btu) heat input. If coal is combusted with other fuels, the affected facility is subject to the 50% SO2 reduction requirement specified in this paragraph and the emission limit determined pursuant to par. (e) 2.
NR 440.207(3)(c)(c) On and after the date on which the initial 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 coal, alone or in combination with any other fuel, and is listed in subd. 1., 2., 3. or 4. may cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of the emission limit determined pursuant to par. (e) 2. Percent reduction requirements are not applicable to affected facilities under this paragraph.
NR 440.207(3)(c)1.1. Affected facilities that have a heat input of 22 MW (75 million Btu/hr) or less.
NR 440.207(3)(c)2.2. Affected facilities that have an annual capacity for coal of 55% (0.55) or less and are subject to a federally enforceable requirement limiting operation of the affected facility to an annual capacity factor for coal of 55% (0.55) or less.
NR 440.207(3)(c)3.3. Affected facilities located in a noncontinental area.
NR 440.207(3)(c)4.4. Affected facilities that combust coal in a duct burner as part of a combined cycle system where 30% (0.30) or less of the heat entering the steam generating unit is from combustion of coal in the duct burner and 70% (0.70) or more of the heat entering the steam generating unit is from exhaust gases entering the duct burner.
NR 440.207(3)(d)(d) On and after the date on which the initial 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 may cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of 215 ng/J (0.50 lb/million Btu) heat input; or, as an alternative, no owner or operator of an affected facility that combusts oil shall combust oil in the affected facility that contains greater than 0.5 weight percent sulfur. The percent reduction requirements are not applicable to affected facilities under this paragraph.
NR 440.207(3)(e)(e) On and after the date on which the initial 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 coal, oil, or coal and oil with any other fuel may cause to be discharged into the atmosphere from that affected facility any gases that contain SO2 in excess of the following:
NR 440.207(3)(e)1.1. The percent of potential SO2 emission rate required under par. (a) or (b) 2., as applicable, for any affected facility that:
NR 440.207(3)(e)1.a.a. Combusts coal in combination with any other fuel,
NR 440.207(3)(e)1.b.b. Has a heat input capacity greater than 22 MW (75 million Btu/hr), and
NR 440.207(3)(e)1.c.c. Has an annual capacity factor for coal greater than 55% (0.55); and
NR 440.207(3)(e)2.2. The emission limit determined according to the following formula for any affected facility that combusts coal, oil, or coal and oil with any other fuel: