Chapter NR 439

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)(o) (o) A copy of chain of custody forms.

NR 439.07(9)(p) (p) Facility name, physical address, city, state, and zip code.

NR 439.07(9)(q) (q) Facility contact name and phone number.

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)(u) (u) Test firm name, address, city, state, and zip code.

NR 439.07(9)(v) (v) Test firm contact and phone number.

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 History History: 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 439.075 NR 439.075 Periodic compliance emission testing requirements.

NR 439.075(1) (1) Applicability and general 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(1)(c) (c) All compliance emission tests under this section shall be performed according to s. NR 439.07 and chs. NR 445 to 449.

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)1. 1. Compliance emission testing for particulate matter is required for an emissions unit subject to a particulate matter emission limitation under ch. NR 405 or under s. NR 415.04 (2) (b) 2. or (c) 1., 415.05, 415.06, 415.07, or 415.08 (3) or (6).

NR 439.075(2)(a)2. 2. Compliance emission testing for sulfur dioxide is required for an emissions unit subject to a sulfur dioxide emission limitation under ch. NR 405 or under s. NR 417.07 (2), (3), (4) or (5), 418.025, 418.03, or 418.04 or to a more restrictive emission limit as described under s. NR 417.07 (1) (b).

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)1. 1. Compliance emission testing for mercury is required for an emissions unit subject to s. NR 446.08 (1) or 446.21 (1), (2), or (3), or 40 CFR 61.53 (a), (b), or (c).

NR 439.075(2)(b)2. 2. Compliance emission testing for beryllium is required for an emissions unit identified under s. NR 448.03 (1) or 40 CFR 61.30.

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.a. a. Fossil fuel fired steam generators subject to 40 CFR part 60 Subpart D or Da.

NR 439.075(2)(c)1.b. b. Incinerators subject to 40 CFR part 60 Subpart E.

NR 439.075(2)(c)1.c. c. Kilns at Portland cement plants subject to 40 CFR part 60 Subpart F.

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.

NR 439.075(2)(c)1.e. e. Fluid catalytic cracking unit catalyst regenerators and fuel gas combustion devices at petroleum refineries subject to 40 CFR part 60 Subpart J.

NR 439.075(2)(c)1.f. f. Pot, cupola, and reverberatory furnaces at secondary lead smelters subject to 40 CFR part 60 Subpart L.

NR 439.075(2)(c)1.g. g. Cupola, electric arc, and reverberatory furnaces at secondary brass and bronze ingot production plants subject to 40 CFR part 60 Subpart M.

NR 439.075(2)(c)1.h. h. Basic oxygen process furnaces at iron and steel plants subject to 40 CFR part 60 Subpart N.

NR 439.075(2)(c)1.i. i. Incinerators at sewage treatment plants subject to 40 CFR part 60 Subpart O.

NR 439.075(2)(c)1.j. j. Dryers at primary copper smelters subject to 40 CFR part 60 Subpart P.

NR 439.075(2)(c)1.k. k. Sintering machines at primary zinc smelters subject to 40 CFR part 60 Subpart Q.

NR 439.075(2)(c)1.L. L. Blast furnaces, dross reverberatory furnaces, and sintering machines at primary lead smelters subject to 40 CFR part 60 Subpart R.

NR 439.075(2)(c)1.m. m. Thermal dryers and pneumatic coal cleaning equipment at coal preparation plants subject to 40 CFR part 60 Subpart Y.

NR 439.075(2)(c)1.n. n. Electric arc furnaces and dust handling equipment at ferroalloy production facilities subject to 40 CFR part 60 Subpart Z.

NR 439.075(2)(c)1.o. o. Electric arc furnaces at steel plants subject to 40 CFR part 60 Subpart AA.

NR 439.075(2)(c)1.p. p. Electric arc furnaces and argon-oxygen decarburization vessels at steel plants subject to 40 CFR part 60 Subpart AAa.

NR 439.075(2)(c)1.q. q. Recovery furnaces, smelt dissolving tanks, and lime kilns at kraft pulp mills subject to 40 CFR part 60 Subpart BB.

NR 439.075(2)(c)1.r. r. Melting furnaces at glass manufacturing plants subject to 40 CFR part 60 Subpart CC.

NR 439.075(2)(c)1.s. s. Kilns at lime manufacturing plants subject to 40 CFR part 60 Subpart HH.

NR 439.075(2)(c)1.t. t. Control devices at metallic mineral processing plants with sources subject to 40 CFR part 60 Subpart LL.

NR 439.075(2)(c)1.u. u. Dryers, calciners, and grinders at phosphate rock plants subject to 40 CFR part 60 Subpart NN.

NR 439.075(2)(c)1.v. v. Ammonium sulfate dryers at ammonium sulfate manufacturing plants subject to 40 CFR part 60 Subpart PP.

NR 439.075(2)(c)1.w. w. Saturators and blowing stills at asphalt processing and asphalt roofing manufacturing plants subject to 40 CFR part 60 Subpart UU.

NR 439.075(2)(c)1.x. x. Rotary spun wool fiberglass insulation manufacturing lines at wool fiberglass insulation plants subject to 40 CFR part 60 Subpart PPP.

NR 439.075(2)(c)2. 2. Compliance emission testing for sulfur dioxide is required for fossil fuel fired steam generators subject to 40 CFR part 60 Subpart D or Da.

NR 439.075(2)(c)3. 3. Compliance emission testing for volatile organic compounds, including a determination of the overall control efficiency of any control device, is required for the following:

NR 439.075(2)(c)3.a. a. Control devices at facilities subject to the surface coating of metal furniture requirements under 40 CFR part 60 Subpart EE.

NR 439.075(2)(c)3.b. b. Control devices at facilities subject to the automobile and light-duty truck surface coating requirements under 40 CFR part 60 Subpart MM.

NR 439.075(2)(c)3.c. c. Control devices at facilities subject to the graphic arts industry requirements under 40 CFR part 60 Subpart QQ.

NR 439.075(2)(c)3.d. d. Control devices at facilities subject to the pressure sensitive tape and label surface coating requirements under 40 CFR part 60 Subpart RR.

NR 439.075(2)(c)3.e. e. Control devices at facilities subject to the large appliance surface coating requirements under 40 CFR part 60 Subpart SS.

NR 439.075(2)(c)3.f. f. Control devices at facilities subject to the metal coil surface coating requirements under 40 CFR part 60 Subpart TT.

NR 439.075(2)(c)3.g. g. Control devices at facilities subject to the beverage can surface coating requirements under 40 CFR part 60 Subpart WW.

NR 439.075(2)(c)3.h. h. Control devices at bulk gasoline terminals subject to the requirements under 40 CFR part 60 Subpart XX.

NR 439.075(2)(c)3.i. i. Control devices at facilities subject to the flexible vinyl and urethane coating and printing requirements under 40 CFR part 60 Subpart FFF.

NR 439.075(2)(c)3.j. j. Control devices at synthetic organic chemical manufacturing facilities subject to the requirements under 40 CFR part 60 Subparts III, NNN, or RRR.

NR 439.075(2)(c)3.k. k. Control devices at facilities subject to the magnetic tape coating requirements under 40 CFR part 60 Subpart SSS.

NR 439.075(2)(c)3.L. L. Control devices at facilities subject to the polymeric coating of supporting substrate requirements under 40 CFR part 60 Subpart VVV.

NR 439.075(2)(c)4. 4. Compliance emission testing for lead is required for grid casting, paste mixing, 3-process operation, lead oxide, lead reclamation, and other lead emitting sources at lead acid battery manufacturing plants subject to 40 CFR part 60 Subpart KK.

NR 439.075(2)(c)5. 5. Compliance emission testing for nitrogen oxides is required for fossil fuel fired steam generators subject to 40 CFR part 60 Subpart D or Da.

NR 439.075(2)(c)6. 6. Compliance emission testing for fluorides is required for the following:

NR 439.075(2)(c)6.a. a. Reactors, filters, evaporators, and hot wells at wet process phosphoric acid plants subject to 40 CFR part 60 Subpart T.

NR 439.075(2)(c)6.b. b. Evaporators, hot wells, acid sumps, and cooling tanks at super phosphoric acid plants subject to 40 CFR part 60 Subpart U.

NR 439.075(2)(c)6.c. c. Reactors, granulators, dryers, coolers, screens, and mills at diammonium phosphate plants subject to 40 CFR part 60 Subpart V.

NR 439.075(2)(c)6.d. d. Mixers, curing belts or dens, reactors, granulators, dryers, cookers, screens, mills, and facilities that store run-of-pile material at triple superphosphate plants subject to 40 CFR part 60 Subpart W.

NR 439.075(2)(c)6.e. e. Storage or curing piles, conveyors, elevators, screens, and mills at granular triple superphosphate storage facilities subject to 40 CFR part 60 Subpart X.

NR 439.075(3) (3) Testing schedules.

NR 439.075(3)(a) (a) The owner or operator of a direct stationary source which has received a construction permit shall perform the compliance emission tests required under sub. (2) during the initial operating period authorized by the permit.

NR 439.075(3)(b) (b) Unless otherwise required by statute, rule, or permit condition, the owner or operator of a stationary source that has received an operation permit shall perform the compliance emission tests required under sub. (2) every 24 months as long as the permit is required. Each biennial test shall be performed no later than 90 calendar days after the anniversary date of the previous test or no later than 90 calendar days after an alternate date specified by statute, rule, permit condition, or by the department.

NR 439.075(4) (4) Exceptions to compliance emission testing requirements.

NR 439.075(4)(a) (a) The following exceptions apply to the testing required under sub. (2) (a) or (c):

NR 439.075(4)(a)1. 1. The department may grant a written waiver of a scheduled test if any of the following applies:

NR 439.075(4)(a)1.a. a. The stationary source associated with the emissions unit subject to the testing requirement will be ceasing operation within one year of a scheduled test.

NR 439.075(4)(a)1.b. b. The most recently completed test results from a test conducted according to the methods and procedures specified under s. NR 439.07 for the stationary source demonstrate that the emissions of the air contaminant for which compliance emission testing is required under this section are 50 percent or less of the applicable emission limitation.