NR 462.05(6)(i)6.
6. The bag leak detection system shall be equipped with an alarm system that will sound automatically when an increase in relative particulate matter emissions over a preset level is detected. The alarm shall be located where it is easily heard by plant operating personnel.
NR 462.05(6)(i)7.
7. For positive pressure fabric filter systems that do not duct all compartments or cells to a common stack, a bag leak detection system shall be installed in each baghouse compartment or cell.
NR 462.05(6)(i)8.
8. Where multiple bag leak detectors are required, the system's instrumentation and alarm may be shared among detectors.
NR 462.05(7)
(7) How do I demonstrate initial compliance with the emission limits and work practice standards? NR 462.05(7)(a)(a) You shall demonstrate initial compliance with each emission limit and work practice standard that applies to you by either conducting initial performance tests and establishing operating limits, as applicable, according to
sub. (3) (c) and Tables 5 and 7 of this chapter OR conducting initial fuel analyses to determine emission rates and establishing operating limits, as applicable, according to
sub. (4) (d) and Tables 6 and 8 of this chapter.
NR 462.05(7)(b)
(b) New or reconstructed boilers or process heaters in one of the liquid fuel subcategories that burn only fossil fuels and other gases and do not burn any residual oil shall demonstrate compliance according to
s. NR 462.04 (2) (a).
NR 462.05(7)(c)
(c) If you demonstrate compliance through performance testing, you shall establish each site-specific operating limit in Tables 2 to 4 of this chapter that applies to you according to the requirements in
sub. (3), Table 7 of this chapter, and
subd. 4., as applicable. You shall also conduct fuel analyses according to
sub. (4) and establish maximum fuel pollutant input levels according to
subds. 1. to
3., as applicable.
NR 462.05(7)(c)1.
1. You shall establish the maximum chlorine fuel input (C
input) during the initial performance testing according to the procedures in
subd. 1. a. to
c.
NR 462.05(7)(c)1.a.
a. You shall determine the fuel type or fuel mixture that you could burn in your boiler or process heater that has the highest content of chlorine.
NR 462.05(7)(c)1.b.
b. During the performance testing for HCl, you shall determine the fraction of the total heat input for each fuel type burned (Q
i) based on the fuel mixture that has the highest content of chlorine and the average chlorine concentration of each fuel type burned (C
i).
where:
Cinput is the maximum amount of chlorine entering the boiler or process heater through fuels burned in units of pounds per million Btu
Ci is the arithmetic average concentration of chlorine in fuel type, i, analyzed according to sub. (4), in units of pounds per million Btu
Qi is the fraction of total heat input from fuel type, i, based on the fuel mixture that has the highest content of chlorine. If you do not burn multiple fuel types during the performance testing, it is not necessary to determine the value of this term. Insert a value of “1" for Qi.
n is the number of different fuel types burned in your boiler or process heater for the mixture that has the highest content of chlorine
NR 462.05(7)(c)2.
2. If you choose to comply with the alternative TSM emission limit instead of the particulate matter emission limit, you shall establish the maximum TSM fuel input level (TSM
input) during the initial performance testing according to the procedures in
subd. 2. a. to
c.
NR 462.05(7)(c)2.a.
a. You shall determine the fuel type or fuel mixture that you could burn in your boiler or process heater that has the highest content of TSM.
NR 462.05(7)(c)2.b.
b. During the performance testing for TSM, you shall determine the fraction of total heat input from each fuel burned (Q
i) based on the fuel mixture that has the highest content of total selected metals and the average TSM concentration of each fuel type burned (M
i).
where:
TSMinput is the maximum amount of TSM entering the boiler or process heater through fuels burned, in units of pounds per million Btu
Mi is the arithmetic average concentration of TSM in fuel type, i, analyzed according to sub. (4), in units of pounds per million Btu
Qi is the fraction of total heat input from fuel type, i, based on the fuel mixture that has the highest content of TSM. If you do not burn multiple fuel types during the performance test, it is not necessary to determine the value of this term. Insert a value of “1" for Qi.
n is the number of different fuel types burned in your boiler or process heater for the mixture that has the highest content of TSM
NR 462.05(7)(c)3.
3. You shall establish the maximum mercury fuel input level (Mercury
input) during the initial performance testing using the procedures in
subd. 3. a. to
c.
NR 462.05(7)(c)3.a.
a. You shall determine the fuel type or fuel mixture that you could burn in your boiler or process heater that has the highest content of mercury.
NR 462.05(7)(c)3.b.
b. During the compliance demonstration for mercury, you shall determine the fraction of total heat input for each fuel burned (Q
i) based on the fuel mixture that has the highest content of mercury, and you shall determine the average mercury concentration of each fuel type burned (HGi).
where:
Mercuryinput is the maximum amount of mercury entering the boiler or process heater through fuels burned, in units of pounds per million Btu
HGi is the arithmetic average concentration of mercury in fuel type, i, analyzed according to sub. (4), in units of pounds per million Btu
Qi is the fraction of total heat input from fuel type, i, based on the fuel mixture that has the highest mercury content. If you do not burn multiple fuel types during the performance test, it is not necessary to determine the value of this term. Insert a value of “1" for Qi.
n is the number of different fuel types burned in your boiler or process heater for the mixture that has the highest content of mercury
NR 462.05(7)(c)4.a.
a. For a wet scrubber, you shall establish the minimum scrubber effluent pH, liquid flow rate and pressure drop, as defined in
s. NR 462.02 (32) to
(34), as your operating limits during the 3-run performance test. If you use a wet scrubber and you conduct separate performance tests for particulate matter, HCl and mercury emissions, you shall establish one set of minimum scrubber effluent pH, liquid flow rate and pressure drop operating limits. The minimum scrubber effluent pH operating limit shall be established during the HCl performance test. If you conduct multiple performance tests, you shall set the minimum liquid flow rate and pressure drop operating limits at the highest minimum values established during the performance tests.
NR 462.05(7)(c)4.b.
b. For an electrostatic precipitator, you shall establish the minimum voltage and the minimum secondary current or the minimum total power input, as defined in
s. NR 462.02 (36), as your operating limits during the 3-run performance test.
NR 462.05(7)(c)4.c.
c. For a dry scrubber, you shall establish the minimum sorbent injection rate, as defined in
s. NR 462.02 (35), as your operating limit during the 3-run performance test.
NR 462.05(7)(c)4.d.
d. The operating limit for boilers or process heaters with fabric filters for which you choose to demonstrate continuous compliance through bag leak detection systems is that a bag leak detection system be installed according to the requirements in
sub. (6), and that each fabric filter shall be operated such that the bag leak detection system alarm does not sound more than 5% of the operating time during a 6-month period.
NR 462.05(7)(d)
(d) If you elect to demonstrate compliance with an applicable emission limit through fuel analysis, you shall conduct fuel analyses according to
sub. (4) and follow the procedures in
subds. 1. to
5.
NR 462.05(7)(d)1.
1. If you burn more than one fuel type, you shall determine the fuel mixture you could burn in your boiler or process heater that would result in the maximum emission rates of the pollutants for which you elect to demonstrate compliance through fuel analysis.
NR 462.05(7)(d)2.
2. You shall determine the 90th percentile confidence level fuel pollutant concentration of the composite samples analyzed for each fuel type using the one-sided z-statistic test described in Equation 8.
P90 = mean + (SD x t) (Equation 8)
where:
P90 is the 90th percentile confidence level pollutant concentration, in pounds per million Btu
mean is the arithmetic average of the fuel pollutant concentration in the fuel samples analyzed according to sub. (4), in units of pounds per million Btu
SD is the standard deviation of the pollutant concentration in the fuel samples analyzed according to sub. (4), in units of pounds per million Btu
t is the t distribution critical value for 90th percentile (0.1) probability for the appropriate degrees of freedom (number of samples minus one) as obtained from a Distribution Critical Value Table
NR 462.05(7)(d)3.
3. To demonstrate compliance with the applicable emission limit for HCl, the HCl emission rate that you calculate for your boiler or process heater using Equation 9 shall be less than the applicable emission limit for HCl.
where:
HCl is the HCl emission rate from the boiler or process heater in units of pounds per million Btu
Ci90 is the 90th percentile confidence level concentration of chlorine in fuel type, i, in units of pounds per million Btu as calculated according to Equation 8
Qi is the fraction of total heat input from fuel type, i, based on the fuel mixture that has the highest content of chlorine. If you do not burn multiple fuel types, it is not necessary to determine the value of this term. Insert a value of “1" for Qi.
n is the number of different fuel types burned in your boiler or process heater for the mixture that has the highest content of chlorine
1.028 is the molecular weight ratio of HCl to chlorine
NR 462.05(7)(d)4.
4. To demonstrate compliance with the applicable emission limit for TSM, the TSM emission rate that you calculate for your boiler or process heater using Equation 10 shall be less than the applicable emission limit for TSM.
where:
TSM is the TSM emission rate from the boiler or process heater in units of pounds per million Btu
Mi90 is the 90th percentile confidence level concentration of TSM in fuel, i, in units of pounds per million Btu as calculated according to Equation 8
Qi is the fraction of total heat input from fuel type, i, based on the fuel mixture that has the highest content of total selected metals. If you do not burn multiple fuel types, it is not necessary to determine the value of this term. Insert a value of “1" for Qi.
n is the number of different fuel types burned in your boiler or process heater for the mixture that has the highest content of TSM
NR 462.05(7)(d)5.
5. To demonstrate compliance with the applicable emission limit for mercury, the mercury emission rate that you calculate for your boiler or process heater using Equation 11 shall be less than the applicable emission limit for mercury.
where:
Mercury is the mercury emission rate from the boiler or process heater in units of pounds per million Btu
HGi90 is the 90th percentile confidence level concentration of mercury in fuel, i, in units of pounds per million Btu as calculated according to Equation 8
Qi is the fraction of total heat input from fuel type, i, based on the fuel mixture that has the highest mercury content. If you do not burn multiple fuel types, it is not necessary to determine the value of this term. Insert a value of “1" for Qi.
n is the number of different fuel types burned in your boiler or process heater for the mixture that has the highest mercury content
NR 462.05(7)(e)
(e) You shall submit the Notification of Compliance Status containing the results of the initial compliance demonstration according to the requirements in
s. NR 462.07 (1) (e).
NR 462.05 History
History: CR 05-116: cr.
Register November 2006 No. 611, eff. 12-1-06.
NR 462.06
NR 462.06
Continuous compliance requirements. NR 462.06(1)(1)
How do I monitor and collect data to demonstrate continuous compliance? NR 462.06(1)(a)(a) You shall monitor and collect data according to the requirements of this section and the site-specific monitoring plan required by
s. NR 462.04 (1) (d).
NR 462.06(1)(b)
(b) Except for monitor malfunctions, associated repairs and required quality assurance or control activities, including, as applicable, calibration checks and required zero and span adjustments, you shall monitor continuously, or collect data at all required intervals, at all times that the affected source is operating.
NR 462.06(1)(c)
(c) You may not use data recorded during monitoring malfunctions, associated repairs or required quality assurance or control activities in data averages and calculations used to report emission or operating levels. You shall use all the data collected during all other periods in assessing the operation of the control device and associated control system. Boilers and process heaters that have an applicable carbon monoxide work practice standard and are required to install and operate a CEMS may not use data recorded during periods when the boiler or process heater is operating at less than 50% of its rated capacity.
NR 462.06(2)
(2) How do I demonstrate continuous compliance with the emission limits and work practice standards? NR 462.06(2)(a)(a) You shall demonstrate continuous compliance with each emission limit, operating limit and work practice standard in Tables 1 to 4 of this chapter that applies to you according to the methods specified in Table 8 of this chapter and
subds. 1. to
10.
NR 462.06(2)(a)1.
1. Following the date on which the initial performance test is completed or is required to be completed under
ss. NR 460.06 and
462.05 (1), whichever date comes first, you may not operate above any of the applicable maximum operating limits or below any of the applicable minimum operating limits listed in Tables 2 to 4 of this chapter at all times except during periods of startup, shutdown and malfunction. Operating limits do not apply during performance tests. Operation above the established maximum or below the established minimum operating limits shall constitute a deviation of established operating limits.
NR 462.06(2)(a)2.
2. You shall keep records of the type and amount of all fuels burned in each boiler or process heater during the reporting period to demonstrate that all fuel types and mixtures of fuels burned would either result in lower emissions of TSM, HCl and mercury than the applicable emission limit for each pollutant, if you demonstrate compliance through fuel analysis, or result in lower fuel input of TSM, chlorine and mercury than the maximum values calculated during the last performance tests, if you demonstrate compliance through performance testing.
NR 462.06(2)(a)3.
3. If you demonstrate compliance with an applicable HCl emission limit through fuel analysis and you plan to burn a new type of fuel, you shall recalculate the HCl emission rate using Equation 9 of
s. NR 462.05 (7) according to
subd. 3. a. to
c.
NR 462.06(2)(a)3.a.
a. You shall determine the chlorine concentration for any new fuel type in units of pounds per million Btu, based on supplier data or your own fuel analysis, according to the provisions in your site-specific fuel analysis plan developed according to
s. NR 462.05 (4) (b).
NR 462.06(2)(a)3.b.
b. You shall determine the new mixture of fuels that will have the highest content of chlorine.
NR 462.06(2)(a)3.c.
c. Recalculate the HCl emission rate from your boiler or process heater under these new conditions using Equation 9 of
s. NR 462.05 (7). The recalculated HCl emission rate shall be less than the applicable emission limit.
NR 462.06(2)(a)4.
4. If you demonstrate compliance with an applicable HCl emission limit through performance testing and you plan to burn a new type of fuel or a new mixture of fuels, you shall recalculate the maximum chlorine input using Equation 5 of
s. NR 462.05 (7). If the results of recalculating the maximum chlorine input are higher than the maximum chlorine input level established during the previous performance test, then you shall conduct a new performance test within 60 days of burning the new fuel type or fuel mixture according to the procedures in
s. NR 462.05 (3) to demonstrate that the HCl emissions do not exceed the emission limit. You shall also establish new operating limits based on this performance test according to the procedures in
s. NR 462.05 (7) (c).
