NR 440.48(6)(a)3.a. a. The proportion of total VOCs emitted that enters the control device (F).
NR 440.48(6)(a)3.b. b. The VOC reduction efficiency of the control device (E).
NR 440.48(6)(a)3.c. c. The average combustion temperature or the average temperature upstream and downstream of the catalyst bed, and
NR 440.48(6)(a)3.d. d. A description of the method used to establish the amount of VOCs captured and sent to the incinerator.
NR 440.48(6)(a)4. 4. For each affected facility where compliance is achieved through the use of a solvent recovery system, the following additional information shall be reported:
NR 440.48(6)(a)4.a. a. The volume of VOC solvent recovered - See PDF for diagram PDF, and
NR 440.48(6)(a)4.b. b. The overall VOC emission reduction achieved (R).
NR 440.48(6)(b) (b) Following the initial performance test, the owner or operator of an affected facility shall identify, record, and submit a written report to the department every calendar quarter of each instance in which the volume-weighted average of the total mass of VOC's emitted to the atmosphere per volume of applied coating solids (N) is greater than the limit specified under sub. (3). If no such instances have occurred during a particular quarter, a report stating this shall be submitted to the department semiannually.
NR 440.48(6)(c) (c) Following the initial performance test, the owner or operator of an affected facility shall identify, record, and submit at the frequency specified in s. NR 440.07 (3) the following:
NR 440.48(6)(c)1. 1. Where compliance with sub. (3) is achieved through the use of thermal incineration, each 3-hour period when metal furniture is being coated during which the average temperature of the device was more than 28°C below the average temperature of the device during the most recent performance test at which destruction efficiency was determined as specified under sub. (4).
NR 440.48(6)(c)2. 2. Where compliance with sub. (3) is achieved through the use of catalytic incineration, each 3-hour period when metal furniture is being coated during which the average temperature of the device immediately before the catalyst bed is more than 28°C below the average temperature of the device immediately before the catalyst bed during the most recent performance test at which destruction efficiency was determined as specified under sub. (4). Additionally, when metal furniture is being coated, all 3-hour periods during which the average temperature difference across the catalyst bed is less than 80% of the average temperature difference across the catalyst bed during the most recent performance test at which destruction efficiency was determined as specified under sub. (4) will be recorded.
NR 440.48(6)(c)3. 3. For thermal and catalytic incinerators, if no periods as described in subds. 1. and 2. occur, the owner or operator shall state this in the report.
NR 440.48(6)(d) (d) Each owner or operator subject to the provisions of this section shall maintain at the source, for a period of at least 2 years, records of all data and calculations used to determine VOC emissions from each affected facility. Where compliance is achieved through the use of thermal incineration each owner or operator shall maintain at the source daily records of the incinerator combustion chamber temperature. If catalytic incineration is used, the owner or operator shall maintain at the source daily records of the gas temperature, both upstream and downstream of the incinerator catalyst bed. Where compliance is achieved through the use of a solvent recovery system, the owner or operator shall maintain at the source daily records of the amount of solvent recovered by the system for each affected facility.
NR 440.48(7) (7)Test methods and procedures.
NR 440.48(7)(a)(a) The reference methods in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17, except as provided under s. NR 440.08 (2) shall be used to determine compliance with sub. (3) as follows:
NR 440.48(7)(a)1. 1. Method 24, or coating manufacturer's formulation data for use in the determination of VOC content of each batch of coating as applied to the surface of the metal parts but in case of an inconsistency between the Method 24 results and the formulation data, the Method 24 results will govern,
NR 440.48(7)(a)2. 2. Method 25 for the measurement of VOC concentration,
NR 440.48(7)(a)3. 3. Method 1 for sample and velocity traverses,
NR 440.48(7)(a)4. 4. Method 2 for velocity and volumetric flow rate,
NR 440.48(7)(a)5. 5. Method 3 for gas analysis, and
NR 440.48(7)(a)6. 6. Method 4 for stack gas moisture.
NR 440.48(7)(b) (b) For Method 24 of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17, the coating sample shall be at least a one liter sample in a one liter container taken at a point where the sample will be representative of the coating material as applied to the surface of the metal part.
NR 440.48(7)(c) (c) For Method 25 of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17, the minimum sampling time for each of 3 runs shall be 60 minutes and the minimum sample volume shall be 0.003 dry standard cubic meters except that shorter sampling times or smaller volumes, when necessitated by process variables or other factors, may be approved by the department.
NR 440.48(7)(d) (d) The department shall approve testing of representative stacks on a case-by-case basis if the owner or operator can demonstrate to the satisfaction of the department that testing of representative stacks yields results comparable to those that would be obtained by testing all stacks.
NR 440.48 History History: Cr. Register, January, 1984, No. 337, eff. 2-1-84; cr. (1) (c), am. (2) (a) (intro.) and (b) (intro.), Register September, 1990, No. 417, eff. 10-1-90; r. and recr. (6) (b), renum. (6) (c) to be (6) (d), cr. (6) (c), Register, July, 1993, No. 451, eff. 8-1-93; CR 06-109: am. (2) (b) 1. to 24., (4) (c) 1. (intro.) and a. 2) and 2. a. (intro.) and (6) (a) 2. Register May 2008 No. 629, eff. 6-1-08.
NR 440.50 NR 440.50Stationary gas turbines.
NR 440.50(1) (1)Applicability and designation of affected facility.
NR 440.50(1)(a)(a) The provisions of this section are applicable to the following affected facilities: all stationary gas turbines with a heat input at peak load equal to or greater than 10.7 gigajoules (10 million Btu) per hour, based on the lower heating value of the fuel fired.
NR 440.50(1)(b) (b) Any facility under par. (a) which commences construction, modification, or reconstruction after October 3, 1977, is subject to the requirements of this section except as provided in sub. (3) (e) and (j).
NR 440.50(2) (2)Definitions. As used in this section, terms not defined in this subsection have the meanings given in s. NR 440.02.
NR 440.50(2)(a) (a) “Base load" means the load level at which a gas turbine is normally operated.
NR 440.50(2)(b) (b) “Combined cycle gas turbine" means any stationary gas turbine which recovers heat from the gas turbine exhaust gases to heat water or generate steam.
NR 440.50(2)(bg) (bg) “Diffusion flame stationary combustion turbine" means any stationary combustion turbine where fuel and air are injected at the combustor and are mixed only by diffusion prior to ignition. A unit which is capable of operating in both lean premix and diffusion flame modes is considered a lean premix stationary combustion turbine when it is in the lean premix mode, and it is considered a diffusion flame stationary combustion turbine when it is in the diffusion flame mode.
NR 440.50(2)(br) (br) “Duct burner" means a device that combusts fuel and that is placed in the exhaust duct from another source, such as a stationary gas turbine, internal combustion engine or kiln, to allow the firing of additional fuel to heat the exhaust gases before the exhaust gases enter a heat recovery steam generating unit.
NR 440.50(2)(c) (c) “Efficiency" means the gas turbine manufacturer's rated heat rate at peak load in terms of heat input per unit of power output based on the lower heating value of the fuel.
NR 440.50(2)(d) (d) “Electric utility stationary gas turbine" means any stationary gas turbine constructed for the purpose of supplying more than one-third of its potential electric output capacity to any utility power distribution system for sale.
NR 440.50(2)(e) (e) “Emergency fuel" is a fuel fired by a gas turbine only during circumstances, such as natural gas supply curtailment or breakdown of delivery system, that make it impossible to fire natural gas in the gas turbine.
NR 440.50(2)(f) (f) “Emergency gas turbine" means any stationary gas turbine which operates as a mechanical or electrical power source only when the primary power source for a facility has been rendered inoperable by an emergency situation.
NR 440.50(2)(fm) (fm) “Excess emissions" means a specified averaging period over which one of the following occurs:
NR 440.50(2)(fm)1. 1. The NOx emissions are higher than the applicable emission limit in sub. (3).
NR 440.50(2)(fm)2. 2. The total sulfur content of the fuel being combusted in the affected facility exceeds the limit specified in sub. (4).
NR 440.50(2)(fm)3. 3. The recorded value of a particular monitored parameter is outside the acceptable range specified in the parameter monitoring plan for the affected unit.
NR 440.50(2)(g) (g) “Fire-fighting turbine" means any stationary gas turbine that is used solely to pump water for extinguishing fires.
NR 440.50(2)(h) (h) “Garrison facility" means any permanent military installation.
NR 440.50(2)(i) (i) “Gas turbine model" means a group of gas turbines having the same nominal air flow, combustor inlet pressure, combustor inlet temperature, firing temperature, turbine inlet temperature and turbine inlet pressure.
NR 440.50(2)(j) (j) “ISO standard day conditions" means 288° Kelvin, 60% relative humidity and 101.3 kilopascals pressure.
NR 440.50(2)(k) (k) “Ice fog" means an atmospheric suspension of highly reflective ice crystals.
NR 440.50(2)(km) (km) “Lean premix stationary combustion turbine" means any stationary combustion turbine where the air and fuel are thoroughly mixed to form a lean mixture for combustion in the combustor. Mixing may occur before or in the combustion chamber. A unit which is capable of operating in both lean premix and diffusion flame modes is considered a lean premix stationary combustion turbine when it is in the lean premix mode, and it is considered a diffusion flame stationary combustion turbine when it is in the diffusion flame mode.
NR 440.50(2)(L) (L) “Natural gas" means a naturally occurring fluid mixture of hydrocarbons, such as methane, ethane, or propane, produced in geological formations beneath the earth's surface that maintains a gaseous state at standard atmospheric temperature and pressure under ordinary conditions. Natural gas contains 20.0 grains or less of total sulfur per 100 standard cubic feet. Equivalents of this in other units are as follows: 0.068 weight percent total sulfur, 680 parts per million by weight (ppmw) total sulfur, and 338 parts per million by volume (ppmv) at 20 degrees Celsius total sulfur. Additionally, natural gas shall either be composed of at least 70% methane by volume or have a gross calorific value between 950 and 1100 Btu per standard cubic foot. Natural gas does not include the following gaseous fuels: landfill gas, digester gas, refinery gas, sour gas, blast furnace gas, coal-derived gas, producer gas, coke oven gas, or any gaseous fuel produced in a process which might result in highly variable sulfur content or heating value.
NR 440.50(2)(m) (m) “Offshore platform gas turbines" means any stationary gas turbine located on a platform in an ocean.
NR 440.50(2)(n) (n) “Peak load" means 100% of the manufacturer's design capacity of the gas turbine at ISO standard day conditions.
NR 440.50(2)(p) (p) “Regenerative cycle gas turbine" means any stationary gas turbine that recovers heat from the gas turbine exhaust gases to preheat the inlet combustion air to the gas turbine.
NR 440.50(2)(q) (q) “Simple cycle gas turbine" means any stationary gas turbine which does not recover heat from the gas turbine exhaust gases to preheat the inlet combustion air to the gas turbine, or which does not recover heat from the gas turbine exhaust gases to heat water or generate steam.
NR 440.50(2)(r) (r) “Stationary gas turbine" means any simple cycle gas turbine, regenerative cycle gas turbine or any gas turbine portion of a combined cycle steam/electric generating system that is not self-propelled. It may, however, be mounted on a vehicle for portability.
NR 440.50(2)(s) (s) “Turbines employed in oil or gas production or oil or gas transportation" means any stationary gas turbine used to provide power to extract crude oil or natural gas, or both, from the earth or to move crude oil or natural gas, or both, or products refined from these substances through pipelines.
NR 440.50(2)(t) (t) “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 unit. It is not necessary for fuel to be combusted continuously for the entire 24-hour period.
NR 440.50(2)(u) (u) “Unit operating hour" means a clock hour during which any fuel is combusted in the affected unit. If the unit combusts fuel for the entire clock hour, it is considered to be a full unit operating hour. If the unit combusts fuel for only part of the clock hour, it is considered to be a partial unit operating hour.
NR 440.50(3) (3)Standard for nitrogen oxides.
NR 440.50(3)(a)(a) On and after the date on which the performance test required by s. NR 440.08 is completed, every owner or operator subject to the provisions of this section, as specified in pars. (b), (c) and (d), shall comply with one of the following, except as provided in pars. (e) through (L).
NR 440.50(3)(a)1. 1. No owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any stationary gas turbine, any gases which contain nitrogen oxides in excess of: - See PDF for diagram PDF
where:
STD is the allowable ISO corrected, if required as given in sub. (6) (c), NOx emissions (percent by volume at 15% oxygen and on a dry basis)
Y is the manufacturer's rated heat rate at manufacturer's rated load (kilojoules per watt hour), or actual measured heat rate based on lower heating value of fuel as measured at actual peak load for the facility (the value of Y may not exceed 14.4 kilojoules per watt hour)
F is the NOx emission allowance for fuel-bound nitrogen as defined in subd. 4.
NR 440.50(3)(a)2. 2. No owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any stationary gas turbine, any gases which contain nitrogen oxides in excess of: - See PDF for diagram PDF
where:
STD is the allowable ISO corrected, if required as given in sub. (6) (c), NOx emissions (percent by volume at 15% oxygen and on a dry basis)
Y is the manufacturer's rated heat rate at manufacturer's rated peak load (kilojoules per watt hour), or actual measured heat rate based on lower heating value of fuel as measured at actual peak load for the facility (the value of Y may not exceed 14.4 kilojoules per watt hour)
F is the NOx emission allowance for fuel-bound nitrogen as defined in subd. 4.
NR 440.50(3)(a)3. 3. The use of F in subds. 1. and 2. is optional. That is, the owner or operator may choose to apply an NOx allowance for fuel-bound nitrogen and determine the appropriate F-value in accordance with subd. 4. or may accept an F-value of zero.
NR 440.50(3)(a)4. 4. If the owner or operator elects to apply an NOx emission allowance for fuel-bound nitrogen, F shall be defined according to the nitrogen content of the fuel during the most recent performance test required under s. NR 440.08 as follows: - See PDF for table PDF
where N is the nitrogen content of the fuel (percent by weight), or manufacturers may develop and submit to the department custom fuel-bound nitrogen allowances for each gas turbine model they manufacture. These fuel-bound nitrogen allowances shall be substantiated with data and must be approved for use by the administrator before the initial performance test required by s. NR 440.08.
NR 440.50 Note Note: The administrator will publish notices of approval of custom fuel-bound nitrogen allowances in the federal register.
NR 440.50(3)(b) (b) Electric utility stationary gas turbines with a heat input at peak load greater than 107.2 gigajoules per hour (100 million Btu/hour) based on the lower heating value of the fuel fired except as provided in par. (d) shall comply with the provisions of par. (a) 1.
NR 440.50(3)(c) (c) Stationary gas turbines with a heat input at peak load equal to or greater than 10.7 gigajoules per hour (10 million Btu/hour) but less than or equal to 107.2 gigajoules per hour (100 million Btu/hour) based on the lower heating value of the fuel fired shall comply with the provisions of par. (a) 2.
NR 440.50(3)(d) (d) Electric utility stationary gas turbines with a manufacturer's rated base load at ISO conditions of 30 megawatts or less except as provided in par. (b) shall comply with the provisions of par. (a) 2.
NR 440.50(3)(e) (e) Stationary gas turbines with a heat input at peak load equal to or greater than 10.7 gigajoules per hour (10 million Btu/hour) but less than or equal to 107.2 gigajoules per hour (100 million Btu/hour) based on the lower heating value of the fuel fired and that have commenced construction prior to October 3, 1982 are exempt from par. (a).
NR 440.50(3)(f) (f) Stationary gas turbines using water or steam injection for control of NOx emissions are exempt from par. (a) when ice fog is deemed a traffic hazard by the owner or operator of the gas turbine.
NR 440.50(3)(g) (g) Emergency gas turbines, military gas turbines for use in other than a garrison facility, military gas turbines installed for use as military training facilities and fire fighting gas turbines are exempt from par. (a).
NR 440.50(3)(h) (h) Stationary gas turbines engaged by manufacturers in research and development of equipment for both gas turbine emission control techniques and gas turbine efficiency improvements may be exempted from par. (a) on a case-by-case basis by the department.
NR 440.50(3)(i) (i) Exemptions from the requirements of par. (a) may be granted on a case-by-case basis as determined by the department in specific geographical areas where mandatory water restrictions are required by governmental agencies because of drought conditions. These exemptions may be allowed only while the mandatory water restrictions are in effect.
NR 440.50(3)(j) (j) Stationary gas turbines with a heat input at peak load greater than 107.2 gigajoules per hour that commenced construction, modification or reconstruction between the dates of October 3, 1977, and January 27, 1982, and were required in the September 10, 1979 federal register (44 FR 52792) to comply with 40 CFR 60.332 (a) (1), except electric utility stationary gas turbines, are exempt from par. (a).
NR 440.50(3)(k) (k) Stationary gas turbines with a heat input greater than or equal to 10.7 gigajoules per hour (10 million Btu/hour) when fired with natural gas are exempt from par. (a) 2. when being fired with an emergency fuel.
NR 440.50(3)(L) (L) Regenerative cycle gas turbines with a heat input less than or equal to 107.2 gigajoules per hour (100 million Btu/hour) are exempt from par. (a).
NR 440.50(4) (4)Standard for sulfur dioxide. On and after the date on which the performance test required to be conducted by s. NR 440.08 is completed, every owner or operator subject to the provisions of this section shall comply with one or the other of the following conditions:
NR 440.50(4)(a) (a) No owner or operator subject to the provisions of this section may cause to be discharged into the atmosphere from any stationary gas turbine any gases which contain sulfur dioxide in excess of 0.015% by volume at 15% oxygen and on a dry basis.
NR 440.50(4)(b) (b) No owner or operator subject to the provisions of this section may burn in any stationary gas turbine any fuel which contains sulfur in excess of 0.8% by weight (8000 ppmw).
NR 440.50(5) (5)Monitoring of operations.
NR 440.50(5)(a)(a) Except as provided in par. (b), the owner or operator of any stationary gas turbine subject to the provisions of this section and using water or steam injection to control NOx emissions shall install, calibrate, maintain and operate a continuous monitoring system to monitor and record the fuel consumption and ratio of water or steam to fuel being fired in the turbine.
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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.