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NR 440.19(2)(c) (c) “Fossil fuel" means natural gas, petroleum, coal and any form of solid, liquid or gaseous fuel derived from such materials for the purpose of creating useful heat.
NR 440.19(2)(d) (d) “Fossil-fuel and wood-residue-fired steam generating unit" means a furnace or boiler used in the process of burning fossil fuel and wood residue for the purpose of producing steam by heat transfer.
NR 440.19(2)(e) (e) “Fossil-fuel-fired steam generating unit" means a furnace or boiler used in the process of burning fossil fuel for the purpose of producing steam by heat transfer.
NR 440.19(2)(f) (f) “Wood residue" means bark, sawdust, slabs, chips, shavings, mill trim and other wood products derived from wood processing and forest management operations.
NR 440.19(3) (3)Standard for particulate matter.
NR 440.19(3)(a)(a) On and after the date on which the performance test required to be conducted by s. NR 440.08 is completed, no owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any affected facility any gases which:
NR 440.19(3)(a)1. 1. Contain particulate matter in excess of 43 nanograms per joule heat input (0.10 lb per million Btu) derived from fossil fuel or fossil fuel and wood residue.
NR 440.19(3)(a)2. 2. Exhibit greater than 20% opacity except for one 6-minute period per hour of not more than 27% opacity.
NR 440.19(4) (4)Standard for sulfur dioxide.
NR 440.19(4)(a)(a) On and after the date on which the performance test required to be conducted by s. NR 440.08 is completed, no owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any affected facility any gases which contain sulfur dioxide in excess of:
NR 440.19(4)(a)1. 1. 340 nanograms per joule heat input (0.80 lb per million Btu) derived from liquid fossil fuel or liquid fossil fuel and wood residue.
NR 440.19(4)(a)2. 2. 520 nanograms per joule heat input (1.2 lb per million Btu) derived from solid fossil fuel or solid fossil fuel and wood residue.
NR 440.19(4)(b) (b) When different fossil fuels are burned simultaneously in any combination, the applicable standard (in ng/J) shall be determined by proration using the following formula: - See PDF for diagram PDF
in which:
- See PDF for diagram PDFis the prorated standard for sulfur dioxide when burning different fuels simultaneously, in nanograms per joule heat input derived from all fossil fuels fired or from all fossil fuels and wood residue fired
y is the percentage of total heat input derived from liquid fossil fuel
z is the percentage of total heat input derived from solid fossil fuel
NR 440.19(4)(c) (c) Compliance shall be based on the total heat input from all fossil fuels burned, including gaseous fuels.
NR 440.19(5) (5)Standard for nitrogen oxides.
NR 440.19(5)(a)(a) On and after the date on which the performance test required to be conducted by s. NR 440.08 is completed, no owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any affected facility any gases which contain nitrogen oxides, expressed as NO2 in excess of:
NR 440.19(5)(a)1. 1. 86 nanograms per joule heat input (0.20 lb per million Btu) derived from gaseous fossil fuel.
NR 440.19(5)(a)2. 2. 129 nanograms per joule heat input (0.30 lb per million Btu) derived from liquid fossil fuel, liquid fossil fuel and wood residue, or gaseous fossil fuel and wood residue.
NR 440.19(5)(a)3. 3. 300 nanograms per joule heat input (0.70 lb per million Btu) derived from solid fossil fuel or solid fossil fuel and wood residue (except lignite or a solid fuel containing 25%, by weight, or more of coal refuse).
NR 440.19(5)(a)4. 4. 260 nanograms per joule heat input (0.60 lb per million Btu) derived from lignite or lignite and wood residue, except as provided under subd. 5.
NR 440.19(5)(a)5. 5. 340 nanograms per joule heat input (0.80 lb per million Btu) derived from lignite which is mined in North Dakota, South Dakota or Montana and which is burned in a cyclone-fired unit.
NR 440.19(5)(b) (b) Except as provided under pars. (c) and (d), when different fossil fuels are burned simultaneously in any combination, the applicable standard (in ng/J) is determined by proration using the following formula: - See PDF for diagram PDF
in which:
- See PDF for diagram PDF is the prorated standard for nitrogen oxides when burning different fuels simultaneously, in nanograms per joule heat input derived from all fossil fuels fired or from all fossil fuels and wood residue fired
w is the percentage of total heat input derived from lignite
x is the percentage of total heat input derived from gaseous fossil fuel
y is the percentage of total heat input derived from liquid fossil fuel
z is the percentage of total heat input derived from solid fossil fuel (except lignite)
NR 440.19(5)(c) (c) When a fossil fuel containing at least 25%, by weight, of coal refuse is burned in combination with gaseous, liquid or other solid fossil fuel or wood residue, the standard for nitrogen oxides does not apply.
NR 440.19(5)(d) (d) Cyclone-fired units which burn fuels containing at least 25% of lignite that is mined in North Dakota, South Dakota or Montana remain subject to par. (a) 5. regardless of the types of fuel combusted in combination with that lignite.
NR 440.19(6) (6)Emission and fuel monitoring.
NR 440.19(6)(a)(a) Each owner or operator shall install, calibrate, maintain and operate continuous monitoring systems for measuring the opacity of emissions, sulfur dioxide emissions, nitrogen oxides emissions, and either oxygen or carbon dioxide except as provided in par. (b).
NR 440.19(6)(b) (b) Certain of the continuous monitoring system requirements under par. (a) do not apply to owners or operators under the following conditions:
NR 440.19(6)(b)1. 1. For a fossil-fuel-fired steam generator that burns only gaseous fossil fuel, continuous monitoring systems for measuring the opacity of emissions and sulfur dioxide emissions are not required.
NR 440.19(6)(b)2. 2. For a fossil-fuel-fired steam generator that does not use a flue gas desulfurization device, a continuous monitoring system for measuring sulfur dioxide emissions is not required if the owner or operator monitors sulfur dioxide emissions by fuel sampling and analysis.
NR 440.19(6)(b)3. 3. Notwithstanding s. NR 440.13 (2), installation of a continuous monitoring system for nitrogen oxides may be delayed until after the initial performance tests under s. NR 440.08 have been conducted. If the owner or operator demonstrates during the performance test that emissions of nitrogen oxides are less than 70% of the applicable standards in sub. (5), a continuous monitoring system for measuring nitrogen oxides emissions is not required. If the initial performance test results show that nitrogen oxide emissions are greater than 70% of the applicable standard, the owner or operator shall install a continuous monitoring system for nitrogen oxides within one year after the date of the initial performance tests under s. NR 440.08 and comply with all other applicable monitoring requirements under this chapter.
NR 440.19(6)(b)4. 4. If an owner or operator does not install any continuous monitoring systems for sulfur oxides and nitrogen oxides, as provided under subds. 1. and 3. or subds. 2. and 3., a continuous monitoring system for measuring either oxygen or carbon dioxide is not required.
NR 440.19(6)(c) (c) For performance evaluations under s. NR 440.13 (3) and calibration checks under s. NR 440.13 (4), the following procedures shall be used:
NR 440.19(6)(c)1. 1. Methods 6, 7 and 3B of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17, as applicable, shall be used for the performance evaluations of sulfur dioxide and nitrogen oxides continuous monitoring systems. Acceptable alternative methods for Methods 6, 7 and 3B are given in sub. (7) (d).
NR 440.19(6)(c)2. 2. Sulfur dioxide or nitric oxide, as applicable, shall be used for preparing calibration gas mixtures under Performance Specification 2 of 40 CFR part 60, Appendix B, incorporated by reference in s. NR 440.17.
NR 440.19(6)(c)3. 3. For affected facilities burning fossil fuel, the span value for a continuous monitoring system measuring the opacity of emissions shall be 80, 90 or 100% and for a continuous monitoring system measuring sulfur oxides or nitrogen oxides the span value shall be determined as follows: - See PDF for table PDF
in which:
x is the fraction of total heat input derived from gaseous fossil fuel
y is the fraction of total heat input derived from liquid fossil fuel
z is the fraction of total heat input derived from solid fossil fuel
NR 440.19(6)(c)4. 4. All span values computed under subd. 3. for burning combinations of fossil fuels shall be rounded to the nearest 500 ppm.
NR 440.19(6)(c)5. 5. For a fossil-fuel-fired steam generator that simultaneously burns fossil fuel and nonfossil fuel, the span value of all continuous monitoring systems shall be subject to the department's approval.
NR 440.19(6)(e) (e) For any continuous monitoring system installed under par. (a), the conversion procedures of this paragraph shall be used to convert the continuous monitoring data into units of the applicable standards (ng/J, lb/million Btu).
NR 440.19(6)(e)1. 1. When a continuous monitoring system for measuring oxygen is selected, the measurement of the pollutant concentration and oxygen concentration shall each be on a consistent basis (wet or dry). Alternative procedures approved by the department shall be used when measurements are on a wet basis. When measurements are on a dry basis, the following conversion procedures shall be used:
E = CF [20.9/(20.9 - percent O2)]
where E, C, F, and percent O2 are determined under par. (f).
NR 440.19(6)(e)2. 2. When a continuous monitoring system for measuring carbon dioxide is selected, the measurement of the pollutant concentration and carbon dioxide concentration shall each be on a consistent basis (wet or dry) and the following conversion procedure shall be used:
E = CFc [100/percent CO2]
where E, C, Fc and percent CO2 are determined under par. (f).
NR 440.19(6)(f) (f) The values used in the equations under par. (e) 1. and 2. are derived as specified in this paragraph.
NR 440.19(6)(f)1. 1. E is the pollutant emissions, ng/J (lb/million Btu).
NR 440.19(6)(f)2. 2. C is the pollutant concentration, ng/dscm (lb/dscf), determined by multiplying the average concentration (ppm) for each one-hour period by 4.15 104 M ng/dscm per ppm (2.59 10-9 M lb/dscf per ppm) where M is the pollutant molecular weight, g/g-mole (lb/lb-mole). M = 64.07 for sulfur dioxide and 46.01 for nitrogen oxides.
NR 440.19(6)(f)3. 3. %O2 or %CO2 is the oxygen or carbon dioxide volume expressed as percent, determined with equipment specified under par. (a).
NR 440.19(6)(f)4. 4. F, Fc are a factor representing a ratio of the volume of dry flue gases generated to the calorific value of the fuel combusted (F), and a factor representing a ratio of the volume of carbon dioxide generated to the calorific value of the fuel combusted (Fc), respectively. Values of Fc and F are:
NR 440.19(6)(f)4.a. a. For anthracite coal as classified according to ASTM D388-99 (reapproved 2004), incorporated by reference in s. NR 440.17 (2) (a) 12., F = 2.723 x 10-7 dscm/J (10,140 dscf/million Btu) and Fc = 0.532 x 10-7 scm CO2/J (1,980 scf CO2/million Btu).
NR 440.19(6)(f)4.b. b. For subbituminous and bituminous coal as classified according to ASTM D388-99 (reapproved 2004), incorporated by reference in s. NR 440.17 (2) (a) 12., F = 2.637 10-7 dscm/J (9,820 dscf/million Btu) and Fc = 0.486 10-7 scm CO2/J (1,810 scf CO2/million Btu).
NR 440.19(6)(f)4.c. c. For liquid fossil fuels including crude, residual and distillate oils, F = 2.476 10-7 dscm/J (9,220 dscf/million Btu) and Fc = 0.384 10-7 scm CO2/J (1,430 scf CO2/million Btu).
NR 440.19(6)(f)4.d. d. For gaseous fossil fuels, F = 2.347 10-7 dscm/J (8,740 dscf/million Btu). For natural gas, propane and butane fuels, F c = 0.279 10-7 scm CO 2/J (1,040 scf CO2/million Btu) for natural gas, 0.322 10-7 scm CO2/J (1,200 scf CO2/million Btu) for propane, and 0.338 10-7 scm CO2/J (1,260 scf CO2/million Btu) for butane.
NR 440.19(6)(f)4.e. e. For bark, F = 2.589 10-7 dscm/J (9,640 dscf/million Btu) and Fc = 0.500 10-7 scm CO2/J (1,840 scf CO2/million Btu). For wood residue other than bark, F = 2.492 10-7 dscm/J (9,280 dscf/million Btu) and Fc = 0.494 10-7 scm CO2/J (1,860 scf CO2/million Btu).
NR 440.19(6)(f)4.f. f. For lignite coal as classified according to ASTM D388-99 (reapproved 2004), incorporated by reference in s. NR 440.17 (2) (a) 12., F = 2.659 10-7 dscm/J (9900 dscf/million Btu) and Fc = 0.516 10-7 scm CO2/J (1,920 scf CO2/million Btu).
NR 440.19(6)(f)5. 5. The owner or operator may use the following equation to determine an F factor (dscm/J or dscf/million Btu) on a dry basis (if it is desired to calculate F on a wet basis, consult the department) or Fc factor (scm CO2/J, or scf CO2/million Btu) on either basis in lieu of the F or Fc factors specified in subd. 4.: - See PDF for diagram PDF
NR 440.19(6)(f)5.a. a. H, C, S, N and O are content by weight of hydrogen, carbon, sulfur, nitrogen and oxygen (expressed as percent), respectively, as determined on the same basis as GCV by ultimate analysis of the fuel fired, using ASTM method D3178-89 or D3176-89 (solid fuels), or computed from results using ASTM method D1137-75, D1945-96 or D1946-90 (reapproved 1994) (gaseous fuels) as applicable. These 5 ASTM methods are incorporated by reference in s. NR 440.17 (2) (a) 43., 41., 16., 23. and 24., respectively.
NR 440.19(6)(f)5.b. b. GCV is the gross calorific value (kJ/kg, Btu/lb) of the fuel combusted, determined by the ASTM test methods D2015-96 or D5865-98 for solid fuels and D1826-94 for gaseous fuels as applicable. These 2 ASTM methods are incorporated by reference in s. NR 440.17 (2) (a) 26. and 21., respectively.
NR 440.19(6)(f)5.c. c. For affected facilities which fire both fossil fuels and nonfossil fuels, the F or Fc value shall be subject to the department's approval.
NR 440.19(6)(f)6. 6. For affected facilities firing combinations of fossil fuels or fossil fuels and wood residue, the F or Fc factors determined by subd. 4. or 5. shall be prorated in accordance with the applicable formulas as follows: - See PDF for diagram PDF
Xi is the fraction of total heat input derived from each type of fuel (e.g. natural gas, bituminous coal, wood residue, etc.)
Fi or (Fc)i is the applicable F or Fc factor for each fuel type determined in accordance with subd. 4. or 5.
n is the number of fuels being burned in combination
NR 440.19(6)(g) (g) Excess emission and monitoring system performance reports shall be submitted to the department semiannually for each 6-month period in the calendar year. All semiannual reports shall be postmarked by the 30th day following the end of each 6-month period. Each excess emission and monitoring system performance report shall include the information required in s. NR 440.07 (3). Periods of excess emissions and monitoring systems downtime that shall be reported are defined as follows:
NR 440.19(6)(g)1. 1. Opacity. Excess emissions are defined as any 6-minute period during which the average opacity of emissions exceeds 20% opacity, except that one 6-minute average per hour of up to 27% opacity need not be reported.
NR 440.19(6)(g)2. 2. Sulfur dioxide. Excess emissions for affected facilities are defined as:
NR 440.19(6)(g)2.a. a. Any 3-hour period during which the average emissions (arithmetic average of 3 contiguous one-hour periods) of sulfur dioxide as measured by a continuous monitoring system exceed the applicable standard under sub. (4).
NR 440.19(6)(g)3. 3. Nitrogen oxides. Excess emissions for affected facilities using a continuous monitoring system for measuring nitrogen oxides are defined as any 3-hour period during which the average emissions (arithmetic average of 3 contiguous one-hour periods) exceed the applicable standards under sub. (5).
NR 440.19(7) (7)Test methods and procedures.
NR 440.19(7)(a)(a) In conducting the performance tests required in s. NR 440.08, the owner or operator shall use as reference methods and procedures the test methods in Appendix A of 40 CFR part 60, incorporated by reference in s. NR 440.17, or other methods and procedures as specified in this subsection, except as provided in s. NR 440.08 (2). Acceptable alternative methods and procedures are given in par. (d).
NR 440.19(7)(b) (b) The owner or operator shall determine compliance with the particulate matter, SO2 and NOx standards in subs. (3), (4) and (5) as follows:
NR 440.19(7)(b)1. 1. The emission rate (E) of particulate matter, SO2 or NOx shall be computed for each run using the following equation:
E = CFd (20.9)/(20.9 - %02)
where:
E is the emission rate of pollutant, ng/J (lb/million Btu)
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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.