NR 440.216(12)(h)2.2. The owner or operator of an affected facility may request that compliance with the nitrogen oxides emission limit be determined using carbon dioxide measurements corrected to an equivalent of 7% oxygen. The relationship between oxygen and carbon dioxide levels for the affected facility shall be established as specified in par. (b) 6. NR 440.216(12)(h)3.3. The owner or operator of an affected facility subject to the nitrogen oxides limit under sub. (6) shall conduct an initial performance test for nitrogen oxides as required under s. NR 440.08. Compliance with the nitrogen oxides emission limit shall be determined by using the continuous emission monitoring system specified in subd. 4. for measuring nitrogen oxides and calculating a 24-hour daily arithmetic average emission concentration using section 4.1 of Method 19. NR 440.216(12)(h)4.4. The owner or operator of an affected facility subject to the nitrogen oxides emission limit under sub. (6) shall install, calibrate, maintain and operate a continuous emission monitoring system for measuring nitrogen oxides discharged to the atmosphere, and record the output of the system. NR 440.216(12)(h)5.5. Following the date that the initial performance test for nitrogen oxides is completed or is required to be completed under s. NR 440.08, compliance with the emission limit for nitrogen oxides required under sub. (6) shall be determined based on the 24-hour daily arithmetic average of the hourly emission concentrations using continuous emission monitoring system outlet data. NR 440.216(12)(h)6.6. At a minimum, valid continuous emission monitoring system hourly averages shall be obtained as follows for 75% of the operating hours per day for 90% of the operating days per calendar quarter that the affected facility is combusting municipal solid waste: NR 440.216(12)(h)6.a.a. At least 2 data points per hour shall be used to calculate each 1-hour arithmetic average. NR 440.216(12)(h)6.b.b. Each nitrogen oxides 1-hour arithmetic average shall be corrected to 7% oxygen on an hourly basis using the 1-hour arithmetic average of the oxygen or carbon dioxide continuous emission monitoring system data. NR 440.216(12)(h)7.7. The 1-hour arithmetic averages required by subd. 5. shall be expressed in parts per million by volume, dry basis, and used to calculate the 24-hour daily arithmetic average concentrations. The 1-hour arithmetic averages shall be calculated using the data points required under s. NR 440.13 (5) (b). NR 440.216(12)(h)8.8. All valid continuous emission monitoring system data shall be used in calculating emission averages even if the minimum continuous emission monitoring system data requirements of subd. 6. are not met. NR 440.216(12)(h)9.9. The procedures under s. NR 440.13 shall be followed for installation, evaluation and operation of the continuous emission monitoring system. The initial performance evaluation shall be completed no later than 180 days after the date of initial startup of the municipal waste combustor unit, as specified under s. NR 440.08. NR 440.216(12)(h)10.10. The owner or operator of an affected facility shall operate the continuous emission monitoring system according to Performance Specification 2 in 40 CFR part 60, Appendix B, incorporated by reference in s. NR 440.17 (1), and shall comply with the following procedures and methods: NR 440.216(12)(h)10.a.a. During each relative accuracy test run of the continuous emission monitoring system required by Performance Specification 2, nitrogen oxides and oxygen or carbon dioxide data shall be collected concurrently, or within a 30 to 60-minute period, by both the continuous emission monitors and the following test methods: 1) For nitrogen oxides, Method 7, 7A, 7C, 7D or 7E of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17 (1), shall be used. 2) For oxygen or carbon dioxide, Method 3, 3A or 3B of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17 (1), as applicable, shall be used. NR 440.216(12)(h)10.b.b. The span value of the continuous emission monitoring system shall be 125% of the maximum estimated hourly potential nitrogen oxide emissions of the municipal waste combustor unit. NR 440.216(12)(h)12.12. When nitrogen oxides continuous emissions data are not obtained because of continuous emission monitoring system breakdowns, repairs, calibration checks, and zero and span adjustments, emissions data shall be obtained using other monitoring systems as approved by the department or Method 19 of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17 (1), to provide, as necessary, valid emissions data for a minimum of 75% of the hours per day for 90% of the days per calendar quarter the unit is operated and combusting municipal solid waste. NR 440.216(12)(i)(i) The following procedures shall be used for determining compliance with the operating requirements under sub. (7): NR 440.216(12)(i)1.1. Compliance with the carbon monoxide emission limits in sub. (7) shall be determined using a 4-hour block arithmetic average for all types of affected facilities except mass burn rotary waterwall municipal waste combustors and refuse-derived fuel stokers. NR 440.216(12)(i)2.2. For affected mass burn rotary waterwall municipal waste combustors and refuse-derived fuel stokers, compliance with the carbon monoxide emission limits in sub. (7) (a) shall be determined using a 24-hour daily arithmetic average. NR 440.216(12)(i)3.3. The owner or operator of an affected facility shall install, calibrate, maintain and operate a continuous emission monitoring system for measuring carbon monoxide at the combustor outlet and record the output of the system and shall comply with the following procedures and methods: NR 440.216(12)(i)3.b.b. During each relative accuracy test run of the continuous emission monitoring system required by Performance Specification 4A, carbon monoxide and oxygen or carbon dioxide data shall be collected concurrently, or within a 30- to 60-minute period, by both the continuous emission monitors and the following test methods: 1) For carbon monoxide, Method 10, 10A or 10B of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17 (1), shall be used. 2) For oxygen or carbon dioxide, Method 3, 3A or 3B of 40 CFR part 60, Appendix A, incorporated by reference in s. NR 440.17 (1), as applicable, shall be used. NR 440.216(12)(i)3.c.c. The span value of the continuous emission monitoring system shall be 125% of the maximum estimated hourly potential carbon monoxide emissions of the municipal waste combustor unit. NR 440.216(12)(i)4.4. The 4-hour block and 24-hour daily arithmetic averages specified in subds. 1. and 2. shall be calculated from 1-hour arithmetic averages expressed in parts per million by volume corrected to 7% oxygen, dry basis. The 1-hour arithmetic averages shall be calculated using the data points generated by the continuous emission monitoring system. At least 2 data points shall be used to calculate each 1-hour arithmetic average. NR 440.216(12)(i)5.5. The owner or operator of an affected facility may request that compliance with the carbon monoxide emission limit be determined using carbon dioxide measurements corrected to an equivalent of 7% oxygen. The relationship between oxygen and carbon dioxide levels for the affected facility shall be established as specified in par. (b) 6.