Ens is the arithmetic average pounds of particulate matter per million Btu heat input for test runs with no sootblowing
A is the hours of sootblowing during test runs containing sootblowing
B is the hours with no sootblowing during test runs containing sootblowing
R is the average hours of boiler operation per 24 hours
S is the average hours of sootblowing per 24 hours
NR 439.07(8)(b)2.2. Each repetition for a particulate matter emissions test shall have a sample volume of at least 30 dry standard cubic feet. NR 439.07(8)(b)4.4. Heat input shall be equal to the fuel use rate multiplied by the heat content of the fuel on an as-fired basis. Fuels shall be analyzed for heat content using the procedures in Method 19 in 40 CFR part 60, Appendix A, incorporated by reference under s. NR 484.04 (13). Alternately, heat input may be determined using a continuous emission monitor that meets the applicable performance specifications in 40 CFR part 60, Appendices B and F, or, for affected sources, the performance specifications in 40 CFR part 75, Appendices A to I, incorporated by reference under s. NR 484.04 (21), (21m), and (27). NR 439.07(8)(b)5.5. Any boiler emission rate in pounds per million Btu heat input shall be determined using the heat input based on fuel use rate. The emission rate may be determined using the F-Factor calculation shown in Method 19 in 40 CFR part 60, Appendix A, incorporated by reference under s. NR 484.04 (13). If the F-Factor method is used, an ultimate fuel analysis shall be performed. An integrated gas sample, using Method 3, 3A, 3B, or 3C in 40 CFR part 60, Appendix A, incorporated by reference under s. NR 484.04 (13), shall be collected and analyzed for oxygen and carbon dioxide content. Other methods for determining the boiler heat input may be used only if approved, in writing, by the department. NR 439.07(8)(b)6.6. If cyclonic flow is a possibility at a particulate matter emission test location, a test for the presence of cyclonic flow shall be performed before the particulate matter test using the procedures in Method 1 in 40 CFR part 60, Appendix A, incorporated by reference under s. NR 484.04 (13). If cyclonic flow is present, the flow must be straightened before testing can begin unless the source owner or operator demonstrates, to the department's satisfaction, the acceptability of the location using the alternate procedure to Method 1. If cyclonic flow is not present, testing can proceed. NR 439.07(8)(b)7.7. Except for sources subject to emission testing requirements under 40 CFR part 60, the department may require the owner or operator of a source capable of emitting condensable particulate matter to include an analysis of the back half of the stack sampling train catch in the total particulate catch for any emission test using Method 5, 5A, 5B, 5D, 5E, 5F, 5G, 5H, 5I, or 17, in 40 CFR part 60, Appendix A, incorporated by reference under s. NR 484.04 (13). This procedure and analysis shall be performed using Method 202 in 40 CFR part 51, Appendix M, incorporated by reference under s. NR 484.04 (9). NR 439.07(8)(c)1.1. When compliance with a sulfur dioxide emission limitation is determined using Method 6 or 6A in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04 (13), the test shall consist of 3 repetitions. A repetition shall consist of 2 20-minute sampling periods with each sampling period followed by a 15-minute fresh air purge. The 2 samples shall be analyzed independently. The arithmetic mean of the results of the 2 samples shall be the result of that repetition. NR 439.07(8)(c)2.2. When compliance with a sulfur dioxide emission limitation is determined using Method 6B in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04 (13), the test shall consist of 3 24-hour repetitions with the sampling train operating continuously during each 24-hour repetition. NR 439.07(8)(c)3.3. When compliance with a sulfur dioxide emission limitation is determined using Method 6C in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04 (13), the test shall consist of 3 representative repetitions. NR 439.07(8)(d)1.1. When compliance with a nitrogen oxide emission limitation is determined using Method 7, 7A or 7B in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04 (13), the test shall consist of 3 repetitions. A repetition shall consist of 4 2-liter evacuated sample bottles that are filled, one at a time, with stack gas at 15 minute intervals. The 4 samples shall be analyzed independently. The arithmetic mean of the results of the 4 samples shall be the result of that repetition. NR 439.07(8)(d)2.2. When compliance with a nitrogen oxide emission limitation is determined using Method 7C, 7D, or 7E in 40 CFR part 60, Appendix A, incorporated by reference in s. NR 484.04 (13), the test shall consist of 3 representative repetitions. NR 439.07(8)(e)(e) Organic compound emissions. When compliance with an organic compound emission limitation is determined using Methods 18, 25, 25A, 25B, or 320 in 40 CFR part 60, Appendix A, incorporated by reference under s. NR 484.04 (13), or ASTM D6348-12 (2020), incorporated by reference under s. NR 484.10 (55r), the test shall consist of a minimum of 3 representative repetitions. NR 439.07(8)(f)(f) Visible emissions. When compliance with a visible emission limitation is determined using Method 9 in 40 CFR part 60, Appendix A-4, incorporated by reference in s. NR 484.04 (13), the test shall be performed based on the either of the following time criteria, unless otherwise specified in any applicable regulation, permit or compliance order: NR 439.07(8)(f)1.1. For a new construction permit, operation permit or a renewal of an operation permit, the minimum total time of observations shall be 60 minutes, consisting of 10 6-minute averages. NR 439.07(8)(f)2.2. For any other circumstances, the minimum total time of observations shall be 18 minutes, consisting of 3 6-minute averages. NR 439.07(8)(g)(g) Exceptions. With department approval, compliance with pars. (a) to (e) may be determined as the arithmetic mean of 2 representative repetitions if 3 repetitions cannot be used to determine compliance because of any of the following circumstances: NR 439.07(8)(g)1.1. A shutdown of the process being tested due to circumstances beyond the control of the source owner or operator. NR 439.07(8)(g)2.2. A production cycle that does not allow for 3 repetitions of the test method. NR 439.07(8)(g)5.5. Any other circumstances beyond the control of the tester or the owner or operator of the source. NR 439.07(9)(9) Emission test reporting requirements. For compliance emission tests, including initial certification tests and relative accuracy tests performed under s. NR 439.09, the owner, operator, or designee of the source tested shall submit to the department an emission test report within 60 calendar days after completion of a compliance emission test. If requested, the department may grant an extension of up to 30 calendar days for test report submittal. The failure to include any information required under this subsection in an emission test report may result in rejection of the test report submittal. The emission test report shall include all of the following information for the emissions unit tested: NR 439.07(9)(a)(a) A detailed description of each emissions unit and control device. NR 439.07(9)(am)(am) A detailed description of the reference test methods, analytical test methods, and quality control and quality assurance procedures used during the test. NR 439.07(9)(ap)(ap) A description of any reference method or analytical test method deviation and a copy of any reference method or analytical test method deviation approval. NR 439.07(9)(as)(as) The date, start and end times, duration, and number of sampling runs for each reference method and analytical test method. NR 439.07(9)(b)(b) The operating conditions and parameters recorded at each emissions unit, including fuel type and sootblowing, and any associated air pollution control device during the test. NR 439.07(9)(c)(c) A summary of test results expressed in units consistent with emission limitations applicable to the source. NR 439.07(9)(d)(d) Sample calculations showing all the formulas used to calculate the reference test method and analytical test method results. NR 439.07(9)(e)(e) The raw field and laboratory data for each repetition of each test. NR 439.07(9)(f)(f) Calibration data for each reference method and analytical test method used during the test. NR 439.07(9)(g)(g) The results of any quality assurance audit sample analyses required in each reference method or analytical test method. NR 439.07(9)(h)(h) The results of any visible emission evaluations performed by the tester or source owner or operator and a copy of the visible emission certificate. NR 439.07(9)(i)(i) A copy of any steam, opacity, or airflow charts made during the test. NR 439.07(9)(j)(j) The report of any fuel analysis performed on the fuel burned during the test. NR 439.07(9)(k)(k) Documentation of any emissions unit or control device upset conditions occurring during the test. NR 439.07(9)(L)(L) An explanation of any excessive variation in the results when comparing the repetitions of the compliance emission test. NR 439.07(9)(m)(m) If the compliance emission test being conducted is a retest, the changes made to the emissions unit or control device since the last test. NR 439.07(9)(n)(n) A description of the number and location of the sampling ports and sampling points including a diagram showing the distance of the sampling ports from the nearest upstream and downstream flow disturbances and the stack dimensions for each measurement location. NR 439.07(9)(p)(p) Facility name, physical address, city, state, and zip code. NR 439.07(9)(r)(r) Facility identification number and active permit number. NR 439.07(9)(s)(s) Stack number, emissions unit number, and control device number. NR 439.07(9)(t)(t) Applicable rules and permit conditions requiring the tests be conducted. NR 439.07(9)(w)(w) Analytical subcontractor name, contact name, and phone number. NR 439.07(9)(x)(x) A statement certifying all methodologies were performed according to the written procedures and represent true and accurate data. NR 439.07 HistoryHistory: Cr. Register, September, 1987, No. 381, eff. 10-1-87; am. (1) (c) 1., (i) 12. and 13., (2) (a) 5. and 6., Register, February, 1990, No. 419, eff. 3-1-90; am. (intro.), renum. (1) (a) to (g), (2) and (3) to be (1) to (10), NR 439.08 and 439.09 and am. (1), (8) (a), (b), (g), (m), (9) (a) and (10) (b), Register, May, 1992, No. 437, eff. 6-1-92; am. (1), (8) (g), (i) and (n), Register, December, 1993, No. 456, eff. 1-1-94; am. (1), (8) (b), (e) to (k), (m) and (n), Register, February, 1995, No. 470, eff. 3-1-95; am. (4), Register, September, 1997, No. 501 eff. 10-1-97; am. (1) and (4), Register, November, 1999, No. 527, eff. 12-1-99; r. (8) (L), Register, March, 2000, No. 531, eff. 4-1-00; CR 02-146: am. (2) (intro.), (8) (a) and (9) (intro.), renum. (8) (b) to be (b) 1., (8) (d) to (h) to be (8) (b) 2. to 6., (8) (j) to be (8) (c) 1., (8) (k) to be (8) (c) 2., (8) (m) to be (8) (d) 1. and (8) (o) to be (8) (a) 2., cr. (8) (b) (intro.), (8) (c) 3., (8) (d) 2. and (8) (e) and (f), renumber and am. (8) (c) to be (8) (g), (8) (i) to be (8) (a) 1. and (8) (n) to be (8) (b) 7., Register October 2003 No. 574, eff. 11-1-03; CR 09-020: am. (8) (b) 7. Register January 2010 No. 649, eff. 2-1-10; CR 24-030; r. and recr. (1), (2), am. (3) (intro.), (4), (5) (a), (7) (intro.), (8) (a) 1., (b), (e), r. and recr. (9), r. (10) Register June 2025 No. 834, eff. 7-1-25. NR 439.075NR 439.075 Periodic compliance emission testing requirements. NR 439.075(1)(a)(a) The owner or operator of a direct stationary source specified in sub. (2) which has been issued an air pollution control permit under s. 285.60, Stats., shall comply with the compliance emission testing requirements of this section. NR 439.075(1)(b)(b) Nothing in this section may be construed as preventing the department from requiring the performance of additional compliance emission tests on the affected sources or requiring tests for pollutants and sources other than those specified in this section. NR 439.075(2)(2) Affected emission units and air contaminants requiring testing. NR 439.075(2)(a)(a) Except as provided under sub. (4), the owner or operator of a source identified in this paragraph, with an emissions unit that has allowable emissions of particulate matter, sulfur dioxide, or volatile organic compounds of 100 tons or more per year or allowable emissions of total reduced sulfur of 25 tons or more per year, shall perform compliance emission testing according to the testing schedules under sub. (3) as follows: NR 439.075(2)(a)3.3. Compliance emission testing for total reduced sulfur is required for an emissions unit subject to an emission limitation under s. NR 417.06. NR 439.075(2)(a)4.4. Compliance emission testing for volatile organic compounds is required for an emissions unit subject to an emission limitation in s. NR 421.03, 421.04, 422.05 to 422.08, 422.09 to 422.155, 423.05, or 424.03 to 424.05 that uses a control device to achieve compliance with the applicable requirements. This test shall include a determination of the overall control efficiency of the control device on the affected emissions unit. NR 439.075(2)(b)(b) The owner or operator of a source, subject to the requirements under ch. NR 427, chs. NR 445 to 449, or 40 CFR part 61 Subparts C, D, E, F, or M, shall perform compliance emission testing for lead, mercury, beryllium, or vinyl chloride according to the testing schedules under sub. (3) as follows: NR 439.075(2)(b)3.3. Compliance emission testing for vinyl chloride is required for an emissions unit identified under s. NR 449.04, 449.05, or 449.06 (1), (2), (3), or (4), or 40 CFR 61.62, 61.63, or 61.64 (a), (b), (c), or (d) and for any control system to which reactor emissions are required to be ducted under s. NR 449.06 (1) (b) or (5) (a) or (b) or 40 CFR 61.64 (a) (2) or (e) (1) or (2) or to which fugitive emissions are required to be ducted under s. NR 449.07 (2) (a), (b), (c), (e), (f), or (i) or 40 CFR 61.65 (b) (1), (2), (3), (5), (6), or (9). NR 439.075(2)(b)4.4. Compliance emission testing for lead is required for an emissions unit with allowable emissions of one ton per year or more that is subject to an emission limitation under s. NR 427.03. NR 439.075(2)(c)(c) Except as provided under sub. (4), the owner or operator of a source identified in this paragraph that is subject to the requirements under 40 CFR part 60 shall perform compliance emission testing for the following air contaminants according to the testing schedules under sub. (3): NR 439.075(2)(c)1.1. Compliance emission testing for particulate matter is required for the following: NR 439.075(2)(c)1.d.d. Dryers at asphalt concrete plants subject to 40 CFR part 60 Subpart I with a rated capacity of 250 tons per hour or more at 5 percent moisture removal.
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Department of Natural Resources (NR)
Chs. NR 400-499; Environmental Protection – Air Pollution Control
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