NR 440.20(7)(h)
(h) When it becomes necessary to supplement continuous monitoring system data to meet the minimum data requirements in
par. (f), the owner or operator shall use the reference methods and procedures as specified in this paragraph. Acceptable alternative methods and procedures are given in
par. (j).
NR 440.20(7)(h)1.
1. Method 6 shall be used to determine the SO
2 concentration at the same location as the SO
2 monitor. Samples shall be taken at 60 minute intervals. The sampling time and sample volume for each sample shall be at least 20 minutes and 0.020 dscm (0.71 dscf). Each sample represents a 1-hour average.
NR 440.20(7)(h)2.
2. Method 7 shall be used to determine the NO
x concentration at the same location as the NO
x monitor. Samples shall be taken at 30-minute intervals. The arithmetic average of 2 consecutive samples represent a 1-hour average.
NR 440.20(7)(h)3.
3. The emission rate correction factor, integrated bag sampling and analysis procedure of Method 3B shall be used to determine the O
2 or CO
2 concentration at the same location as the O
2 or CO
2 monitor. Samples shall be taken for at least 30 minutes in each hour. Each sample represents a 1-hour average.
NR 440.20(7)(h)4.
4. The procedures in Method 19 shall be used to compute each 1-hour average concentration in ng/J (lb/million Btu) heat input.
NR 440.20(7)(i)
(i) The owner or operator shall use methods and procedures in this paragraph to conduct monitoring system performance evaluations under
s. NR 440.13 (3) and calibration checks under
s. NR 440.13 (4). Acceptable alternative methods and procedures are given in
par. (j).
NR 440.20(7)(i)1.
1. Methods 3B, 6 and 7 shall be used to determine O
2, SO
2 and NO
x concentrations, respectively.
NR 440.20(7)(i)2.
2. SO
2 or NO
x (NO), as applicable, shall be used for preparing the calibration gas mixtures (in N
2, as applicable) under Performance Specification 2 of Appendix B of
40 CFR part 60, incorporated by reference in
s. NR 440.17.
NR 440.20(7)(i)3.
3. For affected facilities burning only fossil fuel, the span value for a continuous monitoring system for measuring opacity shall be between 60 and 80% and for a continuous monitoring system measuring nitrogen oxides shall be determined as follows:
-
See PDF for table 
where:
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 440.20(7)(i)4.
4. All span values computed under
par. (b) 3. for burning combinations of fossil fuels shall be rounded to the nearest 500 ppm.
NR 440.20(7)(i)5.
5. For affected facilities burning fossil fuel, alone or in combination with nonfossil fuel, the span value of the sulfur dioxide continuous monitoring system at the inlet to the sulfur dioxide control device shall be 125% of the maximum estimated hourly potential emissions of the fuel fired, and the outlet of the sulfur dioxide control device shall be 50% of maximum estimated hourly potential emissions of the fuel fired.
NR 440.20(7)(j)
(j) The owner or operator may use the following as alternatives to the reference methods and procedures specified in this subsection. All test methods are in Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17.
NR 440.20(7)(j)1.
1. For Method 6, Method 6A or 6B (whenever Methods 6 and 3 or 3B data are used) or 6C may be used. Each Method 6B sample obtained over 24 hours represents 24 1-hour averages. If Method 6A or 6B is used under
par. (i), the conditions under
s. NR 440.19 (7) (d) 1. apply; these conditions do not apply under
par. (h).
NR 440.20(7)(j)2.
2. For Method 7, Method 7A, 7C, 7D or 7E may be used. If Method 7C, 7D or 7E is used, the sampling time for each run shall be 1 hour.
NR 440.20(7)(j)3.
3. For Method 3, Method 3A may be used if the sampling time is 1 hour.
NR 440.20(7)(k)
(k) The procedures specified in
subds. 1. to
3. shall be used to determine gross output for sources demonstrating compliance with the output-based standard under
sub. (5) (d) 1.
NR 440.20(7)(k)1.
1. The owner or operator of an affected facility with electricity generation shall install, calibrate, maintain and operate a wattmeter; measure gross electrical output in megawatt-hours on a continuous basis and record the output of the monitor.
NR 440.20(7)(k)2.
2. The owner or operator of an affected facility with process steam generation shall install, calibrate, maintain and operate meters for steam flow, temperature and pressure; measure gross process steam output in joules per hour (Btu per hour) on a continuous basis and record the output of the monitor.
NR 440.20(7)(k)3.
3. For affected facilities generating process steam in combination with electrical generation, the gross energy output is determined from the gross electrical output measured in accordance with
subd. 1. plus 50% of the gross thermal output of the process steam measured in accordance with
subd. 2.
NR 440.20(7)(L)
(L) The owner or operator of an affected facility demonstrating compliance with the output-based standard under
sub. (5) (d) 1. shall do one of the following:
NR 440.20(7)(L)1.
1. Install, certify, operate and maintain a continuous flow monitoring system meeting the requirements of Performance Specification 6 in
40 CFR part 60, Appendix B, and Procedure 1 in
40 CFR part 60, Appendix F, both incorporated by reference in
s. NR 440.17 (1), and record the output of the system for measuring the flow of exhaust gases discharged to the atmosphere.
NR 440.20(7)(m)
(m) The owner or operator of an affected unit that qualifies as a gas-fired or oil-fired unit, as defined in
40 CFR 72.2, may use, as an alternative to the requirements specified in either
par. (L) 1. or
2., a fuel flow monitoring system certified and operated according to the requirements of
40 CFR part 75, Appendix D, incorporated by reference in
s. NR 440.17 (1).
NR 440.20(7)(n)
(n) The owner or operator of a duct burner which is subject to the NO
x standards of
sub. (5) (a) 1. or
(d) 1. is not required to install or operate a continuous emissions monitoring system to measure NO
x emissions; a wattmeter to measure gross electrical output; meters to measure steam flow, temperature and pressure; and a continuous flow monitoring system to measure the flow of exhaust gases discharged to the atmosphere.
NR 440.20(8)
(8) Compliance determination procedures and methods. NR 440.20(8)(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 methods in Appendix A of
40 CFR part 60, incorporated by reference in
s. NR 440.17, or the methods and procedures as specified in this subsection, except as provided in
s. NR 440.08 (2).
Section NR 440.08 (6) does not apply to this subsection for SO
2 and NO
x. Acceptable alternative methods are given in
par. (e).
NR 440.20(8)(b)
(b) The owner or operator shall determine compliance with the particulate matter standards in
sub. (3) as follows:
NR 440.20(8)(b)1.
1. The dry basis F factor (O
2) procedures in Method 19 shall be used to compute the emission rate of particulate matter.
NR 440.20(8)(b)2.
2. For the particulate matter concentration, Method 5 shall be used at affected facilities without wet FGD systems and Method 5B shall be used after wet FGD systems.
NR 440.20(8)(b)2.a.
a. The sampling time and sample volume for each run shall be at least 120 minutes and 1.70 dscm (60 dscf). The probe and filter holder heating system in the sampling train may be set to provide an average gas temperature of no greater than 160
"14
°C (320
"25
°F).
NR 440.20(8)(b)2.b.
b. For each particulate run, the emission rate correction factor, integrated or grab sampling and analysis procedures of Method 3B shall be used to determine the O
2 concentration. The O
2 sample shall be obtained simultaneously with, and at the same traverse points as, the particulate run. If the particulate run has more than 12 traverse points, the O
2 simultaneous traverse points may be reduced to 12 provided that Method 1 is used to locate the 12 O
2 traverse points. If the grab sampling procedure is used, the O
2 concentration for the run shall be the arithmetic mean of the sample O
2 concentrations at all traverse points.
NR 440.20(8)(c)
(c) The owner or operator shall determine compliance with the SO
2 standards in
sub. (4) as follows:
NR 440.20(8)(c)1.
1. The percent of potential SO
2 emissions (% P
s) to the atmosphere shall be computed using the following equation:
% Ps = [(100 - %Rf) (100 - %Rg)]/100
where:
%Ps is the percent of potential SO2 emissions, percent
%Rf is the percent reduction from fuel pretreatment, percent
%Rg is the percent reduction by SO2 control system, percent
NR 440.20(8)(c)2.
2. The procedures in Method 19 may be used to determine percent reduction (%R
f) of sulfur by such processes as fuel pretreatment (physical coal cleaning, hydrodesulfurization of fuel oil, etc.), coal pulverizers, and bottom and flyash interactions. This determination is optional.
NR 440.20(8)(c)3.
3. The procedures in Method 19 shall be used to determine the percent SO
2 reduction (%R
g) of any SO
2 control system. Alternatively, a combination of an`as fired' fuel monitor and emission rates measured after the control system, following the procedures in Method 19, may be used if the percent reduction is calculated using the average emission rate from the SO
2 control device and the average SO
2 input rate from the `as fired' fuel analysis for 30 successive boiler operating days.
NR 440.20(8)(c)4.
4. The appropriate procedures in Method 19 shall be used to determine the emission rate.
NR 440.20(8)(c)5.
5. The continuous monitoring system in
sub. (7) (b) and
(d) shall be used to determine the concentrations of SO
2 and CO
2 or O
2.
NR 440.20(8)(d)
(d) The owner or operator shall determine compliance with the NO
x standard in
sub. (5) as follows:
NR 440.20(8)(d)1.
1. The appropriate procedures in Method 19 shall be used to determine the emission rate of NO
x.
NR 440.20(8)(d)2.
2. The continuous monitoring system in
sub. (7) (c) and
(d) shall be used to determine the concentrations of NO
x and CO
2 or O
2.
NR 440.20(8)(e)
(e) The owner or operator may use the following as alternatives to the reference methods and procedures specified in this subsection:
NR 440.20(8)(e)1.
1. For Method 5 or 5B, Method 17 may be used at facilities with or without wet FGD systems if the stack temperature at the sampling location does not exceed an average temperature of 160
°C (320
°F). The procedures of sections
2.1 and 2.3 of Method 5B may be used in Method 17 only if it is used after wet FGD systems. Method 17 may not be used after wet FGD systems if the effluent is saturated or laden with water droplets.
NR 440.20(8)(e)2.
2. The F
c factor (CO
2 ) procedures in Method 19 may be used to compute the emission rate of particulate matter under the stipulations of
s. NR 440.19 (7) (d) 1. The CO
2 shall be determined in the same manner as the O
2 concentration.
NR 440.20(8)(f)
(f) Electric utility combined cycle gas turbines are performance tested for particulate matter, sulfur dioxide and nitrogen oxides using the procedures of Method 19 of
40 CFR part 60, Appendix A, incorporated by reference in
s. NR 440.17 (1). The sulfur dioxide and nitrogen oxides emission rates from the gas turbine used in Method 19 calculations are determined when the gas turbine is performance tested under
s. NR 440.50. The potential uncontrolled particulate matter emission rate from a gas turbine is defined as 17 ng/J (0.04 lb/million Btu) heat input.
NR 440.20(9)(a)(a) For sulfur dioxide, nitrogen oxides and particulate matter emissions, the performance test data from the initial performance test and from the performance evaluation of the continuous monitors (including the transmissometer) shall be submitted to the department.
NR 440.20(9)(b)
(b) For sulfur dioxide and nitrogen oxides the following information shall be reported to the department for each 24-hour period.
NR 440.20(9)(b)2.
2. The average sulfur dioxide and nitrogen oxide emission rates (ng/J or lb/million Btu) for each 30 successive boiler operating days, ending with the last 30-day period in the quarter; reasons for noncompliance with the emission standards; and description of corrective actions taken.
NR 440.20(9)(b)3.
3. Percent reduction of the potential combustion concentration of sulfur dioxide for each 30 successive boiler operating days, ending with the last 30-day period in the quarter; reasons for noncompliance with the standard; and description of corrective actions taken.
NR 440.20(9)(b)4.
4. Identification of the boiler operating days for which pollutant or diluent data have not been obtained by an approved method for at least 18 hours of operation of the facility; justification for not obtaining sufficient data; and description of corrective actions taken.
NR 440.20(9)(b)5.
5. Identification of the times when emissions data have been excluded from the calculation of average emission rates because of startup, shutdown, malfunction (NO
x only), emergency conditions (SO
2 only) or other reasons, and justification for excluding data for reasons other than startup, shutdown, malfunction or emergency conditions.
NR 440.20(9)(b)6.
6. Identification of “F" factor used for calculations, method of determination and type of fuel combusted.
NR 440.20(9)(b)7.
7. Identification of times when hourly averages have been obtained based on manual sampling methods.
NR 440.20(9)(b)8.
8. Identification of the times when the pollutant concentration exceeded full span of the continuous monitoring system.
NR 440.20(9)(b)9.
9. Description of any modifications to the continuous monitoring system which could affect the ability of the continuous monitoring system to comply with Performance Specification 2 or 3 of
40 CFR part 60, Appendix B, incorporated by reference in
s. NR 440.17.
NR 440.20(9)(c)
(c) If the minimum quantity of emission data as required by
sub. (7) is not obtained for any 30 successive boiler operating days, the following information obtained under the requirements of
sub. (6) (h) shall be reported to the department for that 30-day period:
NR 440.20(9)(c)1.
1. The number of hourly averages available for outlet emissions rates (n
o) and inlet emission rates (n
i), as applicable.
NR 440.20(9)(c)2.
2. The standard deviation of hourly averages for outlet emission rates (S
o) and inlet emission rates (S
i), as applicable.
NR 440.20(9)(c)3.
3. The lower confidence limit for the mean outlet emission rate (E
o*) and the upper confidence limit for the mean inlet emission rate (E
i*), as applicable.
NR 440.20(9)(c)5.
5. The ratio of the upper confidence limit for the mean outlet emission rate (E
o*) and the allowable emission rate (E
std), as applicable.
NR 440.20(9)(d)
(d) If any standards under
sub. (4) are exceeded during emergency conditions because of control system malfunction, the owner or operator of the affected facility shall submit a signed statement:
NR 440.20(9)(d)1.
1. Indicating if emergency conditions existed and requirements under
sub. (6) (d) were met during each period, and
NR 440.20(9)(d)2.b.
b. Electrical output and demand on the owner or operator's electric utility system and the affected facility;
NR 440.20(9)(d)2.c.
c. Amount of power purchased from interconnected neighboring utility companies during the emergency period;
NR 440.20(9)(e)
(e) If fuel pretreatment credit toward the sulfur dioxide emission standard under
sub. (4) is claimed, the owner or operator of the affected facility shall submit a signed statement:
NR 440.20(9)(e)1.
1. Indicating what percentage cleaning credit was taken for the calendar quarter, and whether the credit was determined in accordance with the provisions of
sub. (8) and Method 19 of
40 CFR part 60, Appendix A, incorporated by reference in
s. NR 440.17; and
NR 440.20(9)(e)2.
2. Listing the quantity, heat content, and date each pretreated fuel shipment was received during the previous quarter; the name and location of the fuel pretreatment facility; and the total quantity and total heat content of all fuels received at the affected facility during the previous quarter.
NR 440.20(9)(f)
(f) For any periods for which opacity, sulfur dioxide or nitrogen oxides emissions data are not available, the owner or operator of the affected facility shall submit a signed statement indicating if any changes were made in operation of the emission control system during the period of data unavailability. Operations of the control system and affected facility during periods of data unavailability are to be compared with operation of the control system and affected facility before and following the period of data unavailability.
NR 440.20(9)(g)
(g) The owner or operator of the affected facility shall submit a signed statement indicating whether:
NR 440.20(9)(g)1.
1. The required continuous monitoring system calibration, span, and drift checks or other periodic audits have or have not been performed as specified.
NR 440.20(9)(g)2.
2. The data used to show compliance was or was not obtained in accordance with approved methods and procedures of this chapter and is representative of plant performance.
