Note: The authorities listed in s. NR 462.03(2) (a) and (b) and in 40 CFR 63.7570(b)(1) to (5) are retained by the administrator and are not transferred to the department.
Table 1
Emission Limits and Work Practice Standards
As stated in s. NR 462.03(2), you shall comply with the following applicable emission limits and work practice standards:
If your boiler or process heater is in this subcategory... | For the following pollutants... | You shall meet the following emission limits and work practice standards... |
1. New or reconstructed large solid fuel | a. Particulate matter (or total selected metals) b. Hydrogen chloride c. Mercury d. Carbon monoxide | 0.025 lb per mmBtu of heat input, (or 0.0003 lb per mmBtu of heat input). 0.02 lb per mmBtu of heat input. 0.000003 lb per mmBtu of heat input. 400 ppm by volume on a dry basis corrected to 7% oxygen (30-day rolling average for units 100 mmBtu /hr or greater, 3-run average for units less than 100 mmBtu /hr). |
2. New or reconstructed limited use solid fuel | a. Particulate matter (or total selected metals) b. Hydrogen chloride c. Mercury d. Carbon monoxide | 0.025 lb per mmBtu of heat input, (or 0.0003 lb per mmBtu of heat input). 0.02 lb per mmBtu of heat input. 0.000003 lb per mmBtu of heat input. 400 ppm by volume on a dry basis corrected to 7% oxygen (3-run average). |
3. New or reconstructed small solid fuel | a. Particulate matter (or total selected metals) b. Hydrogen chloride c. Mercury | 0.025 lb per mmBtu pf heat input, (or 0.0003 lb per mmBtu of heat input). 0.02 lb per mmBtu of heat input. 0.000003 lb per mmBtu of heat input. |
4. New or reconstructed large liquid fuel | a. Particulate matter b. Hydrogen chloride c. Carbon monoxide | 0.03 lb per mmBtu of heat input. 0.0005 lb per mmBtu of heat input. 400 ppm by volume on a dry basis corrected to 3% oxygen (30-day rolling average for units 100 mmBtu /hr or greater, 3-run average for units less than 100 mmBtu /hr). |
5. New or reconstructed limited use liquid fuel. | a. Particulate matter b. Hydrogen chloride c. Carbon monoxide | 0.03 lb per mmBtu of heat input. 0.0009 lb per mmBtu of heat input. 400 ppm by volume on a dry basis liquid corrected to 3% oxygen (3-run average). |
6. New or reconstructed small liquid fuel | a. Particulate matter b. Hydrogen chloride | 0.03 lb per mmBtu of heat input. 0.0009 lb per mmBtu of heat input. |
7. New or reconstructed large gaseous fuel | Carbon monoxide | 400 ppm by volume on a dry basis corrected to 3% oxygen (30-day rolling average for units 100 mmBtu /hr or greater, 3-run average for units less than 100 mmBtu /hr). |
8. New or reconstructed limited use gaseous fuel. | Carbon monoxide | 400 ppm by volume on a dry basis corrected to 3% oxygen (3-run average). |
9. Existing large solid fuel | a. Particulate matter (or total selected metals) b. Hydrogen chloride c. Mercury | 0.07 lb per mmBtu of heat input, (or 0.001 lb per mmBtu of heat input). 0.09 lb per mmBtu of heat input. 0.000009 lb per mmBtu of heat input. |
10. Existing limited use solid fuel | Particulate matter (or total selected metals) | 0.21 lb per mmBtu of heat input, (or 0.004 lb per mmBtu of heat input). |
Table 2
Operating Limits for Boilers and Process Heaters With Particulate Matter Emission Limits
As stated in s. NR 462.03(2), you shall comply with the applicable operating limits.
If you demonstrate compliance with applicable particulate matter emission limits using... | You shall meet these operating limits... |
1. Wet scrubber control | Maintain the minimum pressure drop and liquid flow-rate at or above the operating levels established according to s. NR 462.05(7) (c) and Table 7 of this chapter during the performance test that demonstrated compliance with the applicable emission limit for particulate matter. |
2. Fabric filter control | a. Install and operate a bag leak detection system according to s. NR 462.05(6) and operate the fabric filter such that the bag leak detection system alarm does not sound more than 5% of the operating time during each 6-month period; or |
b. For boilers and process heaters that operate dry control systems, existing boilers and process heaters shall maintain opacity at or below 20% (6-minute average) except for one 6-minute period per hour of not more than 27%. New boilers and process heaters shall maintain opacity at or below 10% (one hour block average). | |
3. Electrostatic precipitator control | a. For boilers and process heaters that operate dry control systems, existing boilers and process heaters shall maintain opacity at or below 20% (6-minute average) except for one 6-minute period per hour of not more than 27%. New boilers and process heaters shall maintain opacity at or below 10% (one hour block average); or |
b. For boilers and process heaters that operate additional wet control systems, maintain the minimum voltage and the minimum secondary current or the minimum total power input of the electrostatic precipitator at or above the operating limits established according to s. NR 462.05(7) (c) and Table 7 of this chapter during the performance test that demonstrated compliance with the applicable emission limit for particulate matter. | |
4. Any other control type | For boilers and process heaters that operate dry control systems, existing boilers and process heaters shall maintain opacity at or below 20% (6-minute average) except for one 6-minute period per hour of not more than 27%. New boilers and process heaters shall maintain opacity at or below 10% opacity (one hour block average). |
Table 3
Operating Limits for Boilers and Process Heaters With Mercury Emission Limits and Boilers and Process Heaters That Choose To Comply With the Alternative Total Selected Metals Emission Limits
As stated in s. NR 462.03(2), you shall comply with the applicable operating limits.
If you demonstrate compliance with applicable mercury and/or total selected metals emission limits using... | You shall meet these operating limits... |
1. Wet scrubber control | Maintain the minimum pressure drop and liquid flow-rate at or above the operating levels established according to s. NR 462.05(7) (c) and Table 7 of this chapter during the performance test that demonstrated compliance with the applicable emission limits for mercury or total selected metals or both. |
2. Fabric filter control | a. Install and operate a bag leak detection system according to s. NR 462.05(6) and operate the fabric filter such that the bag leak detection system alarm does not sound more than 5% of the operating time during a 6-month period; or |
b. For boilers and process heaters that operate dry control systems, existing sources shall maintain opacity at or below 20% (6-minute average) except for one 6-minute period per hour of not more than 27%. New sources shall maintain opacity at or below 10% (one hour block average). | |
3. Electrostatic precipitator control | a. For boilers and process heaters that operate dry control systems, existing sources shall maintain opacity at or below 20% (6-minute average) except for one 6-minute period per hour of not more than 27%. New sources shall maintain opacity at or below 10% (one hour block average); or |
b. For boilers and process heaters that operate additional wet control systems, maintain the minimum voltage and the minimum secondary current or the minimum total power input of the electrostatic precipitator at or above the operating limits established according to s. NR 462.05(7) (c) and Table 7 of this chapter during the performance test that demonstrated compliance with the applicable emission limits for mercury or total selected metals or both. | |
4. Dry scrubber or carbon injection control | Maintain the minimum sorbent or carbon injection rate at or above the operating levels established according to s. NR 462.05(7) (c) and Table 7 of this chapter during the performance test that demonstrated compliance with the applicable emission limit for mercury. |
5. Any other control type | For boilers and process heaters that operate dry control systems, existing sources shall maintain opacity at or below 20% (6-minute average) except for one 6-min-ute period per hour of not more than 27%. New sources shall maintain opacity at or below 10% (one hour block average). |
6. Fuel analysis | Maintain the fuel type or fuel mixture such that the emission rate for mercury or total selected metals or both calculated according to s. NR 462.05(7) (d) 4. or 5. or both are less than the applicable emission limits for mercury or total selected metals or both. |
Table 4
Operating Limits for Boilers and Process Heaters With Hydrogen Chloride Emission Limits
As stated in s. NR 462.03(2), you shall comply with the following applicable operating limits:
If you demonstrate compliance with applicable hydrogen chloride emission limits using... | You shall meet these operating limits... |
1. Wet scrubber control | Maintain the minimum scrubber effluent pH, pressure drop and liquid flow-rate at or above the operating levels established according to s. NR 462.05(7) (c) and Table 7 of this chapter during the performance test that demonstrated compliance with the applicable emission limit for hydrogen chloride. |
2. Dry scrubber control | Maintain the minimum sorbent injection rate at or above the operating levels established according to s. NR 462.05(7) (c) and Table 7 of this chapter during the performance test that demonstrated compliance with the applicable emission limit for hydrogen chloride. |
3. Fuel analysis | Maintain the fuel type or fuel mixture such that the hydrogen chloride emission rate calculated according to s. NR 462.05(7) (d) 3. is less than the applicable emission limit for hydrogen chloride. |
Table 5
Performance Testing Requirements
As stated in s. NR 462.05(3), you shall comply with the following requirements for performance testing for existing, new or reconstructed affected sources:
To conduct a performance test for the following pollutant... | You shall... | Using...a |
1. Particulate matter | a. Select sampling port locations and the number of traverse points | Method 1 in Appendix A to 40 CFR part 60. |
b. Determine velocity and volumetric flow-rate of the stack gas | Method 2, 2F or 2G in Appendix A to 40 CFR part 60. | |
c. Determine oxygen and carbon dioxide concentrations of the stack gas | Method 3A or 3B in Appendix A to 40 CFR part 60 or ASME PTC 19, Part 10 (1981). | |
d. Measure the moisture content of the stack gas | Method 4 in Appendix A to 40 CFR part 60. | |
e. Measure the particulate matter emission concentration | Method 5 or 17 (positive pressure fabric filters shall use Method 5D) in Appendix A to 40 CFR part 60. | |
f. Convert emissions concentration to lb per mmBtu emission rates | Method 19 F-factor methodology in Appendix A to 40 CFR part 60. | |
2. Total selected metals | a. Select sampling port locations and the number of traverse points | Method 1 in Appendix A to 40 CFR part 60. |
b. Determine velocity and volumetric flow rate of the stack gas | Method 2, 2F or 2G in Appendix A to 40 CFR part 60. | |
c. Determine oxygen and carbon dioxide concentrations of the stack gas | Method 3A or 3B in Appendix A to 40 CFR part 60 or ASME PTC 19 Part 10 (1981). | |
d. Measure the moisture content of the stack gas | Method 4 in Appendix A to 40 CFR part 60. | |
e. Measure the total selected metals emission concentration | Method 29 in Appendix A to 40 CFR part 60. | |
f. Convert emissions concentration to lb per mmBtu emission rates | Method 19 F-factor methodology in Appendix A to 40 CFR part 60. | |
3. Hydrogen chloride | a. Select sampling port locations and the number of traverse points | Method 1 in Appendix A to 40 CFR part 60. |
b. Determine velocity and volumetric flow rate of the stack gas | Method 2, 2F or 2G in Appendix A to 40 CFR part 60. | |
c. Determine oxygen and carbon dioxide concentrations of the stack gas | Method 3A or 3B in Appendix A to 40 CFR part 60 or ASME PTC 19, Part 10 (1981). | |
d. Measure the moisture content of the stack gas | Method 4 in Appendix A to 40 CFR part 60. | |
e. Measure the hydrogen chloride emission concentration | Method 26 or 26A in Appendix A to 40 CFR part 60. | |
f. Convert emissions concentration to lb per mmBtu emission rates | Method 19 F-factor methodology in Appendix A to 40 CFR part 60. | |
4. Mercury | a. Select sampling port locations and the number of traverse points | Method 1 in Appendix A to 40 CFR part 60. |
b. Determine velocity and volumetric flow rate of the stack gas | Method 2, 2F or 2G in Appendix A to 40 CFR part 60. | |
c. Determine oxygen and carbon dioxide concentrations of the stack gas | Method 3A or 3B in Appendix A to 40 CFR part 60 or ASME PTC 19, Part 10 (1981). | |
d. Measure the moisture content of the stack gas | Method 4 in Appendix A to 40 CFR part 60. | |
e. Measure the mercury emission concentration | Method 29 in Appendix A to 40 CFR part 60 or Method 101A in Appendix B to 40 CFR part 61, incorporated by reference in s. NR 484.04(23) or ASTM Method D6784-02. | |
f. Convert emissions concentration to lb per mmBtu emission rates | Method 19 F-factor methodology in Appendix A to 40 CFR part 60. | |
5. Carbon monoxide | a. Select sampling port locations and the number of traverse points | Method 1 in Appendix A to 40 CFR part 60. |
b. Determine oxygen and carbon dioxide concentrations of the stack gas | Method 3A or 3B in Appendix A to 40 CFR part 60, ASTM D6522-00, or ASME PTC 19, Part 10 (1981). | |
c. Measure the moisture content of the stack gas | Method 4 in Appendix A to 40 CFR part 60. | |
d. Measure the carbon monoxide emission concentration | Method 10, 10A or 10B in Appendix A to 40 CFR part 60 or ASTM D6522-00 when the fuel is natural gas. |
a All test methods from Appendix A to 40 CFR part 60 listed in this column are incorporated by reference in s. NR 484.04(13), (15) and (20m), all ASTM standard test methods listed in this column are incorporated by reference in s. NR 484.10., and ASME PTC 19, Part 10 (1981) is incorporated by reference in s. NR 484.11(6) (b).
Table 6
Fuel Analysis Requirements
As stated in s. NR 462.05(4), you shall comply with the following requirements for fuel analysis testing for existing, new or reconstructed affected sources:
To conduct a fuel analysis for the following pollutant... | You shall... | Using...a |
1. Mercury | a. Collect fuel samples | Procedure in s. NR 462.05(4) (c) or ASTM D2234/D2234M-03e1 (for coal), or ASTM D6323-98 (2003) (for biomass) or equivalent. |
b. Composite fuel samples | Procedure in s. NR 462.05(4) (d) or equivalent. | |
c. Prepare composited fuel samples | SW-846-3050B (for solid samples) or SW-846-3020A (for liquid samples) or ASTM D2013-01 (for coal), or ASTM D5198-92 (2003) (for biomass) or equivalent. | |
d. Determine heat content of the fuel type | ASTM D5865-03a (for coal), or ASTM E711-87 (1996) (for biomass) or equivalent. | |
e. Determine moisture content of the fuel type | ASTM D3173-02, or ASTM E871-82 (1998) or equivalent. | |
f. Measure mercury concentration in fuel sample | ASTM D3684-01 (for coal), or SW-846-7471A (for solid samples) or SW-846-7470A (for liquid samples). | |
g. Convert concentrations into units of pounds of pollutant per mmBtu of heat content. | ||
2. Total selected metals | a. Collect fuel samples | Procedure in s. NR 462.05(4) (c) or ASTM D2234/D2234M-03e1(for coal), or ASTM D6323-98 (2003) (for biomass), or equivalent. |
b. Composite fuel samples | Procedure in s. NR 462.05(4) (d) or equivalent. | |
c. Prepare composited fuel samples | SW-846-3050B (for solid samples) or SW-846-3020A (for liquid samples) or ASTM D2013-01 (for coal), or ASTM D5198-92 (2003) (for biomass) or equivalent. | |
d. Determine heat content of the fuel type | ASTM D5865-03a (for coal) or ASTM E711-87 (1996) (for biomass) or equivalent. | |
e. Determine moisture content of the fuel type | ASTM D3173-02 or ASTM E871-82 (1998) or equivalent. | |
f. Measure total selected metals con- centration in fuel samples g. Convert concentrations into units of pounds of pollutant per mmBtu of heat content. | ASTM D3684-01 (for coal), or SW-846-7471A (for solid samples) or SW-846-7470A (for liquid samples). | |
3. Hydrogen chloride | a. Collect fuel samples | Procedure in s. NR 462.05(4) (c) or ASTM D2234/D2234M-03e1 (for coal) or ASTM D6323-98 (2003) (for biomass) or equivalent. |
b. Composite fuel samples | Procedure in s. NR 462.05(4) (d) or equivalent. | |
c. Prepare composited fuel samples | SW-846-3050B (for solid samples) or SW-846-3020A (for liquid samples) or ASTM D2013-01 (for coal) or ASTM D5198-92 (2003) (for biomass) or equivalent. | |
d. Determine heat content of the fuel type | ASTM D5865-03a (for coal) or ASTM E711-87 (1996) (for biomass) or equivalent. | |
e. Determine moisture content of the fuel type | ASTM D3173-02 or ASTM E871-82 (1998) or equivalent. | |
f. Measure chlorine content in fuel sample | SW-846-9250 or ASTM E776-87 (1996) (for biomass) or equivalent. | |
g. Convert concentrations into units of pounds of pollutant per mmBtu of heat content. |
a All ASTM standard test methods in this column are incorporated by reference in s. NR 484.10. All SW-846 test methods in this column are incorporated by reference in s. NR 484.06(4) (e).
Table 7
Establishing Operating Limits
As stated in s. NR 462.05(3), you shall comply with the following requirements for establishing operating limits
If you have an applicable emission limit for... | And your operating limits are based on... | You shall... | Using... | According to the following requirements... |
1. Particulate matter, mercury or total selected metals | a. Wet scrubber operating parameters | Establish a site-specific minimum pressure drop and minimum flow rate operating limit according to s. NR 462.05(7) (c) | Data from the pressure drop and liquid flow rate monitors and the particulate matter, mercury or total selected metals performance test. | 1. You shall collect pressure drop and liquid flow rate data every 15 minutes during the entire period of the performance tests; 2. Determine the average pressure drop and liquid flow rate for each individual test run in the 3-run performance test by computing the average of all the 15 minute readings taken during each test run. |
b. Electrostatic precipitator operating parameters (option only for units with additional wet scrubber control) | Establish a site-specific minimum voltage and minimum secondary current or minimum total power input according to s. NR 462.05(7) (c) | Data from the voltage and secondary current or total power input monitors and the particulate matter, mercury or total selected metals performance test. | 1. You shall collect voltage and secondary current or total power input data every 15 minutes during the entire period of the performance tests; 2. Determine the average voltage and secondary current or total power input for each individual test run in the 3-run performance test by computing the average of all the 15-minute readings taken during each test run. | |
2. Hydrogen chloride | a. Wet scrubber operating parameters | Establish a site-specific minimum pressure drop and minimum flow rate operating limit according to s. NR 462.05 (7) (c) | Data from the pH, pressure drop and liquid flow rate monitors and the hydrogen chloride performance test. | 1. You shall collect pH, pressure drop and liquid flow rate data every 15 minutes during the entire period of the performance tests; 2. Determine the average pH, pressure drop and liquid flow rate for each individual test run in the 3-run performance test by computing the average of all the 15 minute readings taken during each test run. |
b. Dry scrubber operating parameters | Establish a site-specific minimum sorbent injection rate operating limit according to s. NR 462.05(7) (c) | Data from the sorbent injection rate monitors and hydrogen chloride performance test. | 1. You shall collect sorbent injection rate data every 15 minutes during the entire period of the performance tests; 2. Determine the average sorbent injection rate for each individual test run in the 3-run performance test by computing the average of all the 15 minute readings taken during each test run. |
Table 8
Demonstrating Continuous Compliance
As stated in s. NR 462.06(2), you shall show continuous compliance with the emission limitations for affected sources according to the following:
If you are required to meet the following operating limits or work practice standards... | You shall demonstrate continuous compliance by... |
1. Opacity | a.Collecting the opacity monitoring system data according to ss. NR 462.05(6) (b) and 462.06(1); and b.Reducing the opacity monitoring data to 6-minute averages; and c. Maintaining opacity to less than or equal to 20% (6-minute average) except for one 6-minute period per hour of not more than 27% for existing sources; or maintaining opacity to less than or equal to 10% (one hour block average) for new sources. |
2. Fabric Filter Bag Leak Detection Operation | Installing and operating a bag leak detection system according to s. NR 462.05(6) and operating the fabric filter such that the requirements in s. NR 462.06(2) (a) 9. are met. |
3. Wet Scrubber Pressure Drop and Liquid Flow Rate | a. Collecting the pressure drop and liquid flow rate monitoring system data according to ss. NR 462.05(6) and 462.06(1); and b. Reducing the data to 3-hour block averages; and c. Maintaining the 3-hour average pressure drop and liquid flow-rate at or above the operating limits established during the performance test according to s. NR 462.05(7) (c). |
4. Wet Scrubber pH | a. Collecting the pH monitoring system data according to ss. NR 462.05(6) and 462.06(1); and b. Reducing the data to 3-hour block averages; and c. Maintaining the 3-hour average pH at or above the operating limit established during the performance test according to s. NR 462.05(7) (c). |
5. Dry Scrubber Sorbent or Carbon Injection Rate | a. Collecting the sorbent or carbon injection rate monitoring system data for the dry scrubber according to ss. NR 462.05(6) and 462.06(1); and b. Reducing the data to 3-hour block averages; and c. Maintaining the 3-hour average sorbent or carbon injection rate at or above the operating limit established during the performance test according to s. NR 462.05(7) (c). |
6. Electrostatic Precipitator Secondary Current and Voltage or Total Power Input | a. Collecting the secondary current and voltage or total power input monitoring system data for the electrostatic precipitator according to ss. NR 462.05(6) and 462.06(1); and b. Reducing the data to 3-hour block averages; and c. Maintaining the 3-hour average secondary current and voltage or total power input at or above the operating limits established during the performance test according to s. NR 462.05(7) (c). |
7. Fuel Pollutant Content | a. Only burning the fuel types and fuel mixtures used to demonstrate compliance with the applicable emission limit according to s. NR 462.05(7) (c) or (d) as applicable; and b. Keeping monthly records of fuel use according to s. NR 462.06(2) (a). |
Table 9
Reporting Requirements
As stated in s. NR 462.07(2), you shall comply with the following requirements for reports:
You shall submit: | The report shall contain... | You shall submit the report... |
1. A compliance report. | a. Information required in s. NR 462.07(2) (c) 1. to 11.; and b. If there are no deviations from any emission limitation (emission limit and operating limit) that applies to you and there are no deviations from the requirements for work practice standards in Table 8 to this chapter that apply to you, a statement that there were no deviations from the emission limitations and work practice standards during the reporting period. If there were no periods during which the continuous monitoring systems, including continuous emissions monitoring system, continuous opacity monitoring system and operating parameter monitoring systems, were out-of-control as specified in s. NR 460.07(3) (g), a statement that there were no periods during which the continuous monitoring systems were out-of-control during the reporting period; and c. If you have a deviation from any emission limitation (emission limit and operating limit) or work practice standard during the reporting period, the report shall contain the information in s. NR 462.07(2) (d). If there were periods during which the continuous monitoring systems, including continuous emissions monitoring system, continuous opacity monitoring system and operating parameter monitoring systems, were out-of-control, as specified in s. NR 460.07(3) (g), the report shall contain the information in s. NR 462.07(2) (e); and d. If you had a startup, shutdown or malfunction during the reporting period and you took actions consistent with your startup, shutdown and malfunction plan, the compliance report shall include the information in s. NR 460.09(4) (e) 1. | Semiannually according to the requirements in s. NR 462.07(2) (b). |
2. An immediate startup, shutdown and malfunction report if you had a startup, shutdown or malfunction during the reporting period that is not consistent with your startup, shutdown and malfunction plan, and the source exceeds any applicable emission limitation in the relevant emission standard. | a. Actions taken for the event; and b. The information in s. NR 460.09(4) (e) 2. and 3. | By fax or telephone within 2 working days after starting actions inconsistent with the plan; and By letter within 7 working days after the end of the event unless you have made alternative arrangements with the department. |
Wis. Admin. Code Department of Natural Resources NR 462.07