NR 418.01(2)
(2) Purpose. This chapter is adopted under
ss. 285.11,
285.13, and
285.17, Stats., to categorize sources of sulfur dioxide and other sulfur compounds into separate source categories and to establish emission limitations for these categories of sources in order to protect air quality.
NR 418.01 History
History: Cr.
Register, September, 1986, No. 369, eff. 10-1-86; am. (1) and (2),
Register, May, 1992, No. 437, eff. 6-1-92; am. (1),
Register, December, 1995, No. 480, eff. 1-1-96
; am. (2), Register, October, 1999, No. 526, eff. 11-1-99. NR 418.02
NR 418.02
Definitions. The definitions contained in
ch. NR 400 apply to the terms used in this chapter.
NR 418.02 History
History: Cr.
Register, September, 1986, No. 369, eff. 10-1-86.
NR 418.025
NR 418.025
Brokaw RACT sulfur limitations. NR 418.025(1)
(1) No person may cause, allow or permit sulfur dioxide to be emitted to the ambient air within the corporate boundaries of the village of Brokaw, Marathon county from any direct stationary source on which construction or modification commenced prior to January 1, 1980 in amounts greater than:
NR 418.025(1)(a)1.
1. With an emission point of less than 160 feet in height above ground, that occurring from firing fuel oil with a sulfur content equal to or less than 0.22% by weight.
NR 418.025(1)(a)2.
2. With an emission point of 160 feet or more in height above ground, that occurring from firing fuel oil with a sulfur content equal to or less than 1.0% by weight.
NR 418.025(1)(c)
(c) For any pulp and papermill cooking acid plant: 22 pounds per hour.
NR 418.025(1)(e)
(e) Notwithstanding the emission limitations of
pars. (b),
(c) and
(d), for an pulp and papermill Copeland recovery system, cooking acid plant and pulp digester blow system which vent to a common stack with an emission point of 160 feet or more in height above ground: 228 pounds per hour.
NR 418.025(2)
(2) All sources to which
sub. (1) applies shall achieve final compliance and so certify to the department on or before December 31, 1982.
NR 418.025 History
History: Renum. from NR 154.12 (4) and am.
Register, September, 1986, No. 369, eff. 10-1-86; am. (2) (intro.),
Register, May, 1992, No. 437, eff. 6-1-92; am. (1), r. (2) (intro.) and (a) to (e), renum. (2) (f) to be (2),
Register, December, 1995, No. 480, eff. 1-1-96.
NR 418.03
NR 418.03
Madison RACT sulfur limitations. NR 418.03(1)
(1) No person may cause, allow or permit sulfur dioxide to be emitted to the ambient air within the geographical boundaries of the city of Madison, Dane county, from any direct source on which construction or modification was commenced prior to November 1, 1979 in amounts greater than:
NR 418.03(1)(a)
(a) Any fossil fuel fired steam generating boiler rated at more than 25 million Btu heat input per hour but less than 100 million Btu heat input per hour firing solid fossil fuel or solid fossil fuel in combination with solid, liquid or gaseous fuels: 7.0 pounds of sulfur dioxide per million Btu heat input.
NR 418.03(1)(b)
(b) Any fossil fuel fired steam generating boiler rated at equal to or greater than 100 million Btu heat input per hour firing solid fossil fuel or solid fossil fuel in combination with solid, liquid or gaseous fuels:
NR 418.03(1)(b)1.
1. Any electrical utility boiler: 4.25 pounds of sulfur dioxide per million Btu heat input.
NR 418.03(1)(b)2.a.
a. Height above ground of emission point of less than 180 feet: 2.5 pounds of sulfur dioxide per million Btu heat input.
NR 418.03(1)(b)2.b.
b. Height above ground of emission point of 180 to 220 feet: X pounds of sulfur dioxide per million Btu heat input, where X is determined by the following equation: -
See PDF for diagram 
NR 418.03(1)(b)2.c.
c. Height above ground of emission point of more than 220 feet: 5.8 pounds of sulfur dioxide per million Btu heat input.
NR 418.03(1)(c)
(c) Any fossil fuel fired steam generating boiler rated at more than 25 million Btu heat input per hour firing liquid fossil fuel or liquid fossil fuel in combination with liquid or gaseous fuels:
NR 418.03(1)(c)1.
1. Distillate fuel oil: that occurring from firing a distillate fuel oil with a sulfur content equal to or less than 0.50% by weight.
NR 418.03(1)(c)2.
2. Residual fuel oil: that occurring from firing a residual fuel oil with a sulfur content equal to or less than 1.1% sulfur by weight.
NR 418.03(2)
(2) All boilers to which
sub. (1) applies shall achieve final compliance and so certify to the department on or before December 31, 1982.
NR 418.03 History
History: Renum. from NR 154.12 (5),
Register, September, 1986, No. 369, eff. 10-1-86; am. (1) (intro.), (b) 2. b., (c) 1. and (2) (intro.),
Register, May, 1992, No. 437, eff. 6-1-92; r. (2) (intro.) and (a) to (e), renum. (2) (f) to be (2),
Register, December, 1995, No. 480, eff. 1-1-96.
NR 418.035
NR 418.035
Southeastern Wisconsin intrastate AQCR. In the Southeastern Wisconsin intrastate AQCR, installations of 250 million Btu per hour or less may not burn coal with a sulfur content exceeding 1.11 pounds per million Btu in the coal.
NR 418.035 History
History: Renum. from NR 417.04 and am.,
Register, May, 1992, No. 437, eff. 6-1-92; am.
Register, February, 1995, No. 470, eff. 3-1-95.
NR 418.04
NR 418.04
Milwaukee RACT sulfur limitations. NR 418.04(1)(1) No person may cause, allow or permit sulfur dioxide to be emitted to the ambient air within the corporate boundaries of the city of Milwaukee, Milwaukee county, from any direct source on which construction or modification was commenced prior to December 1, 1983, averaged over any 24-hour period in amounts greater than specified in this subsection.
NR 418.04(1)(a)
(a) For any electrical utility installation rated at more than 250 million Btu heat input per hour, emissions from any stack may not exceed:
NR 418.04(1)(a)1.
1. 3.28 pounds sulfur dioxide per million Btu heat input for solid fossil fuel, 1.60 pounds sulfur dioxide per million Btu heat input for residual fuel oil and 0.50 pounds sulfur dioxide per million Btu heat input for all other fuels, or
where Q is the sulfur dioxide emission limit for a stack expressed in pounds of sulfur dioxide per million Btu heat input, X is the percent of total heat input derived from solid fossil fuel, Y is the percent of total heat input derived from residual fuel oil, and Z is the percent of total heat input derived from all other fuels.
NR 418.04(2)
(2) When a source is subject to the emission limitations of
sub. (1), the owner or operator shall achieve final compliance with the applicable emission limitations and so certify to the department by November 9, 1985.
NR 418.04 History
History: Renum. from NR 154.12 (6) and am.
Register, September, 1986, No. 369, eff. 10-1-86; am. (1) (a),
Register, May, 1992, No. 437, eff. 6-1-92; am. (1) (a) 2. and (2) (intro.), r. (2) (a) to (e),
Register, December, 1995, No. 480, eff. 1-1-96.
NR 418.05
NR 418.05
Green Bay and DePere RACT sulfur limitations. NR 418.05(1)(1) No person may cause, allow or permit sulfur dioxide to be emitted to the ambient air within the corporate boundaries of the cities of Green Bay and De Pere, Brown county, from any direct source on which construction or modification was commenced prior to February 1, 1984 in amounts greater than the following:
NR 418.05(1)(a)
(a) Each electric utility boiler shall comply with the following emission limitations:
NR 418.05(1)(a)1.
1. Any electric utility boiler with the emission point at a height above ground of not less than 377 feet: 5.58 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(a)2.
2. Any electric utility boiler with the emission point at a height above ground of less than 377 feet: 0.50 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(b)
(b) Any ammonia based sulfite pulp and paper mill shall comply with the following emission limitations:
NR 418.05(1)(b)1.
1. Each steam generating boiler capable of firing coal, spent sulfite liquor or other fuels: 5.95 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(b)3.
3. Any pulp digester blow stack: 6.03 pounds of sulfur dioxide per hour.
NR 418.05(1)(b)4.
4. All brown stock washers: a total of 23.18 pounds of sulfur dioxide per hour, from all washers.
NR 418.05(1)(b)5.
5. All paper dryers: a total of 94.13 pounds of sulfur dioxide per hour, from all dryers.
NR 418.05(1)(b)6.
6. All other sources not described in
subds. 1. to
6.: a total of 15.71 pounds of sulfur dioxide per hour.
NR 418.05(1)(c)
(c) Any paper mill in Green Bay located between milepoints 3.3 and 4.0 on the Fox river shall comply with the following emission limitations:
NR 418.05(1)(c)1.
1. Fossil fuel fired steam generating boilers with the emission point at a height above ground of not less than 355 feet: maximum emission from any stack of 4.55 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(c)2.
2. Fossil fuel fired steam generating boilers with the emission point at a height above ground of less than 355 feet: maximum emission from any stack of 0.50 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(c)3.
3. All paper dryers: a total of 26.51 pounds of sulfur dioxide per hour from all dryers.
NR 418.05(1)(d)
(d) Any paper mill in DePere located between milepoints 7.0 and 7.4 on the Fox river shall comply with the following emission limitations:
NR 418.05(1)(d)1.
1. Each fossil fuel fired steam generating boiler rated at less than or equal to 100 million Btu per hour: 2.54 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(d)2.
2. Each fossil fuel fired steam generating boiler rated at greater than 100 million Btu per hour with the emission point at a height above ground of not less than 211 feet: 3.20 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(d)3.
3. Each fossil fuel fired steam generating boiler rated at greater than 100 million Btu per hour with the emission point at a height above ground of less than 211 feet: 0.50 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(e)
(e) Any neutral sulfite semichemical pulp and paper mill shall comply with the following emission limitations:
NR 418.05(1)(e)1.
1. Steam generating boilers with the emission point at a height above ground of not less than 212 feet: maximum emission from any stack of 3.88 pounds of sulfur dioxide per million Btu heat input when the boilers are fired at or below 158 million Btu per hour; maximum emission from any stack of 3.15 pounds of sulfur dioxide per million Btu heat input when the boilers are fired at a rate greater than 158 million Btu per hour and less than 309 million Btu per hour; and maximum emission from any stack of 2.87 pounds of sulfur dioxide per million Btu heat input when the boilers are fired at a rate of 309 million Btu per hour or greater.
NR 418.05(1)(e)2.
2. Steam generating boilers with the emission point at a height above ground of less than 212 feet: maximum emission from any stack of 0.50 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(f)
(f) Any calcium based sulfite pulp and paper mill and any calcium based lignin chemical processing facility shall comply with the following emission limitations:
NR 418.05(1)(f)1.
1. Fossil fuel fired steam generating boilers: maximum emission from any stack of 2.10 pounds of sulfur dioxide per million Btu heat input when the boilers are fired above 360 million Btu per hour; and maximum emission from any stack of 2.31 pounds of sulfur dioxide per million Btu heat input when the boilers are fired at or below 360 million Btu per hour.
NR 418.05(1)(f)2.
2. All Jensen acid towers: a total of 9.21 pounds of sulfur dioxide per hour from all towers.
NR 418.05(1)(f)3.
3. All brown stock washers: a total of 37.86 pounds of sulfur dioxide per hour from all washers.
NR 418.05(1)(f)4.
4. All spent sulfite liquor spray dryers: a total of 25.71 pounds of sulfur dioxide per hour from all dryers.
NR 418.05(1)(g)
(g) Any paper mill in Green Bay located between milepoints 0.4 and 0.7 on the East river shall comply with the following emission limitations:
NR 418.05(1)(g)1.
1. Each fossil fuel fired steam generating boiler: 1.50 pounds of sulfur dioxide per million Btu heat input.
NR 418.05(1)(g)2.
2. All paper dryers: a total of 27.25 pounds of sulfur dioxide per hour from all dryers.
NR 418.05(3)
(3) When a source is subject to the emission limitations of
sub. (1), the owner or operator shall achieve final compliance with the applicable emission limitations and so certify to the department on or before November 9, 1985.
NR 418.05(4)
(4) For purposes of determining compliance with the emission limitations of this section, the owner or operator of a source described in
sub. (1) shall use methods which include, but are not limited to, the following:
NR 418.05(4)(a)
(a) Any facility which has solid fossil fuel fired or spent sulfite liquor fired steam generating boilers with a combined rated heat input capacity of greater than 500 million Btu per hour shall install, calibrate, maintain and operate a continuous emission monitor, utilizing equipment and procedures reviewed and approved by the department.
NR 418.05(4)(b)
(b) Any facility which has solid fossil fuel fired steam generating boilers with a combined rated heat input capacity of less than 500 million Btu per hour shall collect and analyze a daily, as-fired sample of fuel used, utilizing equipment and procedures reviewed and approved by the department.
NR 418.05(4)(c)
(c) Any facility which has liquid fossil fuel fired steam generating boilers shall collect and analyze a daily, as-fired sample of fuel used, utilizing equipment and procedures reviewed and approved by the department.
NR 418.05(4)(d)
(d) Emissions from all other sources shall be determined by annual stack emissions testing or by such other appropriate methods reviewed and approved by the department.
NR 418.05(4)(e)
(e) Quarterly reports in duplicate shall be submitted to the department's Northeast Region Headquarters, PO Box 10448, Green Bay, Wisconsin 54307-0448. The quarterly reports shall include, but not be limited to, excess emission reports for facilities with continuous emission monitors, amounts of fuel used, and fuel sampling and analysis reports for compliance under
pars. (b) and
(c).
NR 418.05(4)(f)
(f) Each facility shall maintain complete records of emissions data and calculations used to verify emissions data at their premises and shall make such records available for inspection upon request by authorized representatives of the department during regular business hours.
NR 418.05(5)
(5) For purposes of determining the applicability of the boiler sizes and source capacities outlined in
subs. (1) and
(4), the capacity of a source and the size of a boiler of a described source shall be determined as of May 31, 1983.
NR 418.05 History
History: Renum. from NR 154.12 (7) and am.
Register, September, 1986, No. 369, eff. 10-1-86; am. (1) (a), (b) 1., (c) 1. and 2., (d) 1. to 3., (e) 1. and 2., (f) 1. and (g) 1., r. (1) (b) 2.,
Register, May, 1992, No. 437, eff. 6-1-92
; r. (2) and (3) (a) to (e), am. (3) (intro.), (4) (intro.),
Register, December, 1995, No. 480, eff. 1-1-96; am. (1) (intro.),
Register, December, 1996, No. 492, eff. 1-1-97.
NR 418.06
NR 418.06
Peshtigo RACT sulfur limitations. NR 418.06(1)
(1) No person may cause, allow or permit sulfur dioxide to be emitted to the ambient air within the corporate boundary of the city of Peshtigo, Marinette county, from any pulp, paper, or pulp and paper mill on which construction or modification was last commenced prior to October 1, 1984 in amounts greater than:
NR 418.06(1)(a)
(a) From any liquid fossil fuel and natural gas fired steam generating boiler, with the emission point at a height above ground of less than 55 feet, 0.520 pounds per million Btu heat input.
NR 418.06(1)(b)
(b) From any liquid fossil fuel, natural gas and wood refuse fired steam generating boiler, with the emission point at a height above ground of more than 149 feet, 0.520 pounds per million Btu heat input.
NR 418.06(1)(c)
(c) From any spent sulfite liquor incinerator and evaporation plant emitting from a point 197 feet or more above ground, 1,682.00 pounds per hour and 35,184.00 pounds in any 24 hours.
NR 418.06(1)(d)
(d) From all pulp digesters emitting from a point 100 feet or more above ground, 300.00 pounds in any 3 hours and 1,365.00 pounds in any 24 hours.
NR 418.06(1)(e)
(e) From any air contact evaporator emitting from a point 35 feet or more above ground, 33.02 pounds per hour and 686.88 pounds in any 24 hours.
NR 418.06(1)(f)
(f) From any evaporator building emitting from a point 87 feet or more above ground, 6.10 pounds per hour.
NR 418.06(1)(g)
(g) From all other sources, a total of 0.72 pounds per hour.
NR 418.06(2)
(2) When a source is subject to
sub. (1) the owner or operator shall:
