Wisconsin Administrative Code
Department of Natural Resources
NR 400-499 - Environmental Protection - Air Pollution Control
Chapter NR 428 - Control Of Nitrogen Compound Emissions
Subchapter IV - NOX Reasonably Available Control Technology Requirements
Section NR 428.22 - Emission limitation requirements
Universal Citation: WI Admin Code ยง NR 428.22
Current through August 26, 2024
(1) EMISSION LIMITS. Except as provided under subs. (2) and (3), on or after May 1, 2009, no person may cause, allow, or permit NO X to be emitted in excess of the following emission limitations on a 30-day rolling average basis:
(a)
Boilers.
1. For a solid fuel-fired boiler with a
maximum heat input capacity equal to or greater than 1,000 mmBtu per hour, one
of the following, as applicable:
a. If
tangential, wall, cyclone or fluidized bed-fired, 0.10 pound per mmBtu of heat
input.
b. If arch-fired, 0.18 pound
per mmBtu of heat input.
2. For a solid fuel-fired boiler with a
maximum heat input capacity equal to or greater than 500 mmBtu per hour and
less than 1,000 mmBtu per hour, one of the following, as applicable:
a. If tangential-fired, 0.15 pound per mmBtu
of heat input.
b. If wall-fired
with a heat release rate equal to or greater than 17,000 Btu per cubic feet per
hour, 0.17 pound per mmBtu of heat input.
c. If wall-fired with a heat release rate
less than 17,000 Btu per cubic feet per hour, 0.15 pound per mmBtu of heat
input.
d. If cyclone-fired, 0.15
pound per mmBtu of heat input.
e.
If arch-fired, 0.18 pound per mmBtu of heat input.
f. If fluidized bed-fired, 0.10 pound per
mmBtu of heat input.
3.
For a solid fuel-fired boiler with a maximum heat input capacity equal to or
greater than 250 mmBtu per hour and less than 500 mmBtu per hour, one of the
following, as applicable:
a. If
tangential-fired, 0.15 pound per mmBtu of heat input.
b. If wall-fired with a heat release rate
equal to or greater than 17,000 Btu per cubic feet per hour, 0.17 pound per
mmBtu of heat input.
c. If
wall-fired with a heat release rate less than 17,000 Btu per cubic feet per
hour, 0.15 pound per mmBtu of heat input.
d. If cyclone-fired, 0.15 pound per mmBtu of
heat input.
f. If arch-fired, 0.18
pound per mmBtu of heat input.
g.
If fluidized bed-fired, 0.10 pound per mmBtu of heat input.
h. If stoker-fired, 0.20 pound per mmBtu of
heat input.
4. For a
solid fuel-fired boiler with a maximum heat input capacity equal to or greater
than 50 mmBtu per hour and less than 250 mmBtu per hour, one of the following,
as applicable:
a. If tangential-fired, 0.15
pound per mmBtu of heat input.
b.
If wall-fired with a heat release rate equal to or greater than 17,000 Btu per
cubic feet per hour, 0.17 pound per mmBtu of heat input.
c. If wall-fired with a heat release rate
less than 17,000 Btu per cubic feet per hour, 0.15 pound per mmBtu of heat
input.
d. If cyclone-fired, 0.15
pound per mmBtu of heat input.
e.
If fluidized bed-fired, 0.10 pound per mmBtu of heat input.
f. If stoker-fired, 0.25 pound per mmBtu of
heat input.
5. For a
gaseous fuel-fired boiler with a maximum heat input capacity equal to or
greater than 100 mmBtu per hour, 0.08 pound per mmBtu of heat input.
6. For a distillate fuel oil-fired boiler
with a maximum heat input capacity equal to or greater than 100 mmBtu per hour,
0.10 pound per mmBtu of heat input.
7. For a residual fuel oil-fired boiler with
a maximum heat input capacity equal to or greater than 65 mmBtu per hour, 0.15
pound per mmBtu of heat input.
(b)
Lime kilns. For a lime
kiln with a maximum heat input capacity equal to or greater than 50 mmBtu per
hour, one of the following as applicable:
1.
For a gaseous fuel-fired unit, 0.10 pound per mmBtu of heat input.
2. For a distillate oil-fired unit, 0.12
pound per mmBtu of heat input.
3.
For a residual oil-fired unit, 0.15 pound per mmBtu of heat input.
4. For a coal-fired unit, 0.60 pound per
mmBtu of heat input.
5. For a
coke-fired unit, 0.70 pound per mmBtu of heat input.
(c)
Reheat, annealing or galvanizing
furnaces. For a reheat, annealing or galvanizing furnace with a
maximum heat input capacity equal to or greater than 75 mmBtu per hour, 0.08
pounds per million Btu of heat input.
(d)
Glass furnaces.
1. For a glass manufacturing furnace with a
maximum heat input capacity equal to or greater than 50 mmBtu per hour, 2.0
pounds per ton of produced glass, except as provided in subd. 2.
2. When, on a daily basis, a glass furnace is
operated at less than 25% of glass production capacity, the owner or operator
shall operate the furnace according to the combustion optimization requirements
of s.
NR 439.096 and shall meet the monitoring requirements of
s.
NR 428.05 (2)
(e).
(e)
Asphalt plants. For an
asphalt plant with a maximum heat input capacity equal to or greater than 65
mmBtu per hour, one of the following as applicable:
1. For a gaseous fuel-fired unit, 0.15 pound
per million Btu of heat input.
2.
For a distillate fuel oil-fired unit, 0.20 pound per million Btu of heat
input.
3. For a residual fuel
oil-fired or waste oil-fired unit, 0.27 pound per million Btu of heat
input.
(f)
Process heating. For a process heater, dryer, oven or other
process heating device, one of the following as applicable:
1. For a gaseous fuel-fired unit with a
maximum heat input capacity equal to or greater than 100 mmBtu per hour, 0.10
pound per mmBtu of heat input.
2.
For a distillate oil-fired unit with a maximum heat input capacity equal to or
greater than 100 mmBtu per hour, 0.12 pound per mmBtu of heat input.
3. For a residual oil-fired unit with a
maximum heat input capacity equal to or greater than 65 mmBtu per hour, 0.18
pound per mmBtu of heat input.
(g)
Simple cycle combustion
turbines. For a simple cycle combustion turbine, one of the following
exhaust outlet concentrations, corrected to 15% O 2 and at ambient temperatures
greater than 0 oF, as applicable:
1. For a
unit with a maximum design power output equal to or greater than 50 megawatts,
one of the following, as applicable:
a. If
natural gas-fired, 25 parts per million dry volume.
b. If distillate oil fuel-fired, 65 parts per
million dry volume.
c. If
biologically derived gaseous fuel-fired, 35 parts per million dry
volume.
2. For a unit
with a maximum design power output equal to or greater than 25 megawatts and
less than 50 megawatts, one of the following as applicable:
a. If natural gas-fired, 42 parts per million
dry volume.
b. If distillate oil
fuel-fired, 96 parts per million dry volume.
c. If biologically derived gaseous
fuel-fired, 35 parts per million dry volume.
(h)
Combined cycle combustion
turbines. For a combined cycle combustion turbine, one of the
following exhaust outlet concentrations, corrected to 15% O 2 and at ambient
temperatures greater than 0 oF, as applicable:
1. For a natural gas-fired unit with a
maximum design power output equal to or greater than 25 megawatts, 9 parts per
million dry volume.
2. For a
natural gas-fired unit with a maximum design power output equal to or greater
than 10 megawatts and less than 25 megawatts, 42 parts per million dry
volume.
3. For a distillate oil
fuel-fired unit with a maximum design power output equal to or greater than 10
megawatts, 42 parts per million dry volume.
4. For a biologically derived gaseous
fuel-fired unit with a maximum design power output equal to or greater than 10
megawatts, 35 parts per million dry volume.
(i)
Reciprocating engines.
For a reciprocating engine with a maximum design power output equal to or
greater than 500 horsepower, one of the following as applicable:
1. For a rich-burn spark ignition unit, 3.0
grams per brake horsepower-hour.
2.
For a lean-burn spark ignition unit, 3.0 grams per brake
horsepower-hour.
3. For a diesel
fuel-fired compression unit, 3.0 grams per brake horsepower-hour.
4. For a dual fuel-fired compression unit,
3.0 grams per brake horsepower-hour.
(2) ELECTRIC UTILITY BOILER COMPLIANCE SCHEDULE. The owner or operator of an electric utility boiler shall demonstrate compliance with the following interim NO x emission limitations, as applicable, on a 30-day rolling average by May 1, 2009 and with the emission limitations in sub. (1) (a) on and after May 1, 2013:
(a) For
a solid fuel-fired boiler with a maximum heat input capacity equal to or
greater than 1,000 mmBtu per hour, one of the following, as applicable:
1. If tangential, wall, cyclone or fluidized
bed-fired, 0.15 pound per mmBtu of heat input.
2. If arch-fired, 0.18 pound per mmBtu of
heat input.
(b) For a
solid fuel-fired boiler with a maximum heat input capacity equal to or greater
than 500 mmBtu per hour and less than 1,000 mmBtu per hour, one of the
following, as applicable:
1. If
tangential-fired, 0.15 pound per mmBtu of heat input.
2. If wall-fired, 0.20 pound per mmBtu of
heat input.
3. If cyclone-fired,
0.20 pound per mmBtu of heat input.
4. If arch-fired, 0.18 pound per mmBtu of
heat input.
5. If fluidized
bed-fired, 0.15 pound per mmBtu of heat input.
(3) EMISSIONS UNITS USING SECONDARY FUEL. An emissions unit that is capable of firing secondary fuel is not subject to the requirements under sub. (1) or (2) when utilizing only a secondary fuel if any of the following apply:
(a) The emissions unit
heat input capacity or maximum design power output while utilizing the
secondary fuel is less than the applicability thresholds under sub. (1) or
(2).
(b) The emissions unit burns
the secondary fuel only during any of the following periods:
1. Supply interruption or curtailment of
primary fuel. The secondary fuel usage under this subsection may not exceed 500
hours within a 12 consecutive month time period unless the owner or operator
obtains a fuel variance under s.
NR 436.06.
2.
Periodic testing, maintenance, or operator training of the secondary fuel when
the periodic testing, maintenance, or operator training does not exceed a
combined total of 48 hours during any calendar year.
(c) The secondary fuel constitutes less than
1 percent on an energy equivalent basis of the emissions unit's fuel
consumption within the most recent 12 consecutive month time period.
Disclaimer: These regulations may not be the most recent version. Wisconsin may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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