NR 407.02(6)(a)(a) “Part 70 source” means any of the following stationary sources, except as provided in par. (b): NR 407.02(6)(a)3.3. Any source subject to a standard or other requirement under section 112 of the Act (42 USC 7412), except for a source subject solely to regulations or requirements under section 112(d)(5) or (r) of the Act (42 USC 7412 (d)(5)or (r)). NR 407.02(6)(b)(b) Notwithstanding par. (a), all sources listed in par. (a) 2. or 3. are not part 70 sources unless they are one of the following: NR 407.02(7)(7) “Renewal” means the process by which an operation permit is reissued at the end of its term. NR 407.02(9)(9) “Synthetic minor source” means any stationary source that has its potential to emit limited by permit conditions that are federally enforceable so that it is not a major source. NR 407.02 HistoryHistory: Cr. Register, December, 1984, No. 348, eff. 1-1-85; renum. (1) to be (intro.), cr. (1), Register, September, 1986, No. 369, eff. 10-1-86; r. and recr. Register, December, 1993, No. 456, eff. 1-1-94; am. (17) (intro.), Register, February, 1995, No. 470, eff. 3-1-95; renum. (1), (2), (4) to be NR 400.02 (1), (1c), (1v), and (5) to (12), (14), (15), (18), (19), (21), (23) to (30), (33), (34) to be NR 409.02 (10), (11), (15), (19), (22), (26), (28), (29), (37), (38), (47), (48), (50), (55), (56), (64), (66), (69) to (72), (78), (79) and am. (72), (78), (79), Register, April, 1995, No. 472, eff. 5-1-95; am. (22) (b), Register, June, 1995, No. 474, eff. 7-1-95; renum. (3), (13), (16), (17), (20), (22), (31), (32), (35) to be (1) to (9) and am. (4) (c) 1. and (6) (b) (intro.), Register, December, 1996, No. 492, eff. 1-1-97; cr. (6) (b) 5. and 6., Register, March, 1997, No. 495, eff. 4-1-97; cr. (6) (b) 7., Register, September, 1997, No. 501, eff. 10-1-97; am. (4) (b) (intro.), Register, December, 1997, No. 504, eff. 1-1-98; am. (4) (a), Register, October, 1999, No. 526, eff. 11-1-99; CR 04-107: r. and recr. (3), cr. (3m) Register August 2005 No. 596, eff. 9-1-05; CR 07-040: cr. (3e), am. (4) (b) 27., r. (6) (b) 4. to 7. Register April 2008 No. 628, eff. 5-1-08; CR 07-104: am. (4) (b) 20. Register July 2008 No. 631, eff. 8-1-08; CR 09-020: am. (4) (a), (b) 27., (c) (intro.), 1., 2. and (6) (a) 2., 3., and (b) 3., cr. (6m) Register January 2010 No. 649, eff. 2-1-10; EmR1046: emerg. am. (4) (b) (intro.), cr. (8m), eff. 12-15-10; CR 10-144: am. (4) (b) (intro.), cr. (8m) Register August 2011 No. 668, eff. 9-1-11; CR 15-005: am. (4) (b) 27., cr. (4m) Register November 2015 No. 719, eff. 12-1-15; CR 19-015: am. (9) Register September 2020 No. 777, eff. 10-1-20; CR 21-022: renum. (4) (c) 1. to (4) (c) 1. (intro.) and a. and am., cr. (4) (c) 1. b. Register February 2022 No. 794, eff. 3-1-22; correction in (4) (c) 1. b. made under s. 35.17, Stats., Register February 2022 No. 794. NR 407.025(1)(a)(a) The owner or operator of a stationary source that has an operation permit, or for which a timely and complete application has been submitted, may make a change to the stationary source that contravenes an express term of an operation permit without first obtaining a permit revision if all the following apply: NR 407.025(1)(a)1.1. The change does not violate applicable requirements or contravene permit terms and conditions that are monitoring, including use of specified test methods, recordkeeping, reporting or compliance certification requirements. NR 407.025(1)(a)3.3. The change does not cause the stationary source to exceed the emissions allowable under the permit, whether expressed in the permit as an emissions rate or in terms of total emissions. NR 407.025(1)(a)4.4. Notice is given and the department does not inform the owner or operator of the stationary source that the change is not authorized, as provided in par. (b). NR 407.025(1)(b)1.1. For each change allowed under par. (a), the owner or operator of the stationary source shall provide the department and, for part 70 sources, the administrator, with written notification of the proposed change a minimum of 21 days in advance of the date on which the proposed change is to occur. The written notification shall include a brief description of the change within the stationary source, the date on which the change will occur, any change in emissions, and any permit term or condition that is no longer applicable as a result of the change. NR 407.025(1)(b)2.2. The owner or operator of the stationary source may not make the proposed change if the department informs the person before the end of the 21- day period provided in subd. 1. that the proposed change is not one authorized under this subsection. NR 407.025(1)(c)(c) The owner or operator of the stationary source, the department and the EPA, if applicable, shall attach each notification of a change made under this subsection to their copy of the relevant operation permit. NR 407.025(2)(a)(a) The department shall, if an owner or operator of a stationary source requests it, issue an operation permit that contains terms and conditions, including all terms required under s. NR 407.09 (1), (2) and (4), allowing for the trading of emissions increases and decreases at the stationary source solely for the purpose of complying with a federally-enforceable emissions cap that is established in the operation permit independent of otherwise applicable requirements. The permit applicant shall include in the application proposed replicable procedures and permit terms that ensure the emissions trades are quantifiable and enforceable. The department may not include in the emissions trading provisions any emissions units for which emissions are not quantifiable or for which there are no replicable procedures to enforce the emissions trades. Any operation permit issued pursuant to this subsection shall require compliance with all applicable requirements. NR 407.025(2)(b)(b) For any trade allowed in an operation permit pursuant to par. (a), the owner or operator of the stationary source shall provide the department and, for part 70 sources, the administrator, with written notification a minimum of 7 days in advance of the date on which the proposed trade is to occur. The written notification shall state when the change is proposed to occur and shall describe the changes in emissions that will result and how these changes in emissions will comply with the terms and conditions of the permit. NR 407.025(2)(c)(c) The permit shield described in s. 285.62 (10) (b), Stats., may extend to terms and conditions that allow the increases and decreases in emissions allowed under this subsection. NR 407.025 HistoryHistory: Cr. Register, December, 1993, No. 456, eff. 1-1-94; am. (1) (a) (intro.), 3., (b) 1., 2., (c), (2) (a) and (b), Register, December, 1997, No. 504, eff. 1-1-98; corrections in (1) (d) and (2) (c) made under s. 13.93 (2m) (b) 7., Stats., Register, October, 1999, No. 526. NR 407.03NR 407.03 Exemptions from operation permit requirements. NR 407.03(1)(1) Specific categories of exempt sources. Any direct stationary source that is not an affected source and is not required to obtain a permit under 40 CFR part 70 and that consists solely of one of the following categories of stationary sources or consists of a combination of the categories of stationary sources listed under sub. (1) (t) is exempt from the requirement to obtain an operation permit provided the requirements under sub. (4) are met: NR 407.03(1)(a)(a) External combustion furnaces which do not burn any hazardous waste identified under ch. NR 661, or which have been issued a license under ch. NR 670, and which are designed at combined total capacity to burn the following fuels at the maximum rates indicated: NR 407.03(1)(a)1.1. Coal, coke or other solid fuels, except wood, at a heat input rate of not more than 1.0 million Btu per hour. NR 407.03(1)(a)2.2. Wood alone or wood in combination with gaseous or liquid fuels at a heat input rate of not more than 5.0 million Btu per hour. NR 407.03(1)(a)3.3. Residual or crude oil at a heat input rate of not more than 5.0 million Btu per hour. NR 407.03(1)(a)4.4. Distillate oil at a heat input rate of not more than 10 million Btu per hour. NR 407.03(1)(a)4m.4m. Distillate oil with a maximum sulfur content of 15 ppm at a heat input rate of not more than 25 million Btu per hour. NR 407.03(1)(a)5.5. Gaseous fuel at a heat input rate of not more than 25 million Btu per hour. NR 407.03(1)(b)(b) Equipment designed to incinerate solid wastes, which are not pathological wastes, infectious wastes, municipal wastes or hazardous wastes under ch. NR 661, at a rate of not more than 500 pounds per hour. NR 407.03(1)(bm)(bm) Equipment owned or operated by a government agency, such as police or sheriff’s department, that is used to incinerate only drugs confiscated by federal, state, or local law enforcement agencies, provided the equipment meets all of the following design requirements: NR 407.03(1)(bm)1.1. The equipment shall be a dual-chamber incinerator that complies with all of the following: NR 407.03(1)(bm)1.a.a. The equipment is designed to incinerate not more than 500 pounds of material per hour. NR 407.03(1)(bm)1.b.b. The equipment has a secondary chamber that operates at all times with a minimum temperature of 1,400 degrees Fahrenheit and a minimum gas retention time of 0.5 seconds. NR 407.03(1)(bm)2.a.a. Each stack shall have a height at least 1.5 times higher than the peak of the highest structure within 150 feet. NR 407.03(1)(bm)2.c.c. Each stack shall have unobstructed vertical discharge when the incinerator is operated. Properly installed and maintained spark arresters are not considered obstructions. NR 407.03(1)(bm)3.a.a. The unit shall reach a minimum operating temperature of 1,400 degrees Fahrenheit prior to introducing the materials to be incinerated. NR 407.03(1)(bm)3.b.b. The quantity of material incinerated, including packaging, is limited to no more than 25 pounds in any 24-hour period, with the exception of marijuana. Marijuana may be incinerated in quantities up to the design capacity of the incinerator. NR 407.03(1)(bm)3.c.c. Fuel for the incinerator shall be limited to natural gas, liquid petroleum gas, distillate fuel oil with less than 0.0015% sulfur by weight, or the equipment shall use electric power. NR 407.03(1)(bm)3.d.d. The manufacturer’s recommended operating instructions shall be posted at the incinerator and the unit shall be operated in accordance with these instructions. The incinerator shall be operated in accordance with the manufacturer’s specifications and maintained in good working order. NR 407.03(1)(bm)4.4. The owner or operator shall install, calibrate, maintain, and operate a monitoring device that continuously measures and records the temperature of the secondary chamber of the incinerator. NR 407.03(1)(bm)5.5. The owner or operator shall maintain records sufficient to demonstrate that each of the requirements listed in this paragraph are met. The records shall be retained for a minimum of 5 years, and shall include all of the following: NR 407.03(1)(ce)(ce) Grain storage facilities, including facilities with column dryers or rack dryers, with an average tonnage of grain received of less than 5500 tons per month, which are not subject to s. NR 440.47, and which are not part 70 sources. The average monthly tonnage of grain received shall be calculated by dividing the cumulative tonnage of grain received since January 1 of each year by 12. The average monthly tonnage of grain received does not include product that the facility sells, acting as a broker, which is never actually received or dried at the grain storage facility. NR 407.03(1)(cm)(cm) Grain processing facilities, including facilities with column dryers or rack dryers, with an average tonnage of grain received of less than 4500 tons per month, which are not subject to s. NR 440.47, and which are not part 70 sources. The average monthly tonnage of grain received shall be calculated by dividing the cumulative tonnage of grain received since January 1 of each year by 12. The average monthly tonnage of grain received does not include product that the facility receives that is packaged when received and remains packaged. NR 407.03(1)(d)(d) Portland concrete batch plants which produce less than 20,000 cubic yards of concrete per month averaged over any 12 consecutive month period. NR 407.03(1)(e)(e) Storage tanks containing organic compounds with a true vapor pressure in pounds per square inch absolute at 70°F of less than 1.52 with a combined total tankage capacity of not more than 40,000 gallons. NR 407.03(1)(f)(f) VOC storage tanks with a combined total tankage capacity of not more than 10,000 gallons of volatile organic compounds. NR 407.03(1)(g)(g) Painting or coating operations, including associated quality assurance laboratories and cleaning operations, which emit or will emit not more than 1,666 pounds of volatile organic compounds per month, which are measured prior to entering any emission control devices, unless the emissions of any single hazardous air pollutant listed under section 112 (b) of the Act (42 USC 7412 (b)) equal or exceed 10 tons per year or the cumulative emissions of hazardous air pollutants listed under section 112 (b) of the Act equal or exceed 25 tons per year. NR 407.03(1)(gm)(gm) Automobile refinishing operations, including associated quality assurance laboratories and cleaning operations, which emit or will emit not more than 1,666 pounds of volatile organic compounds per month, which are measured prior to entering any emission control devices, unless the emissions of any single hazardous air pollutant listed under section 112(b) of the Act (42 USC 7412(b)) equal or exceed 10 tons per year or the cumulative emissions of hazardous air pollutants listed under section 112(b) of the Act equal or exceed 25 tons per year. NR 407.03(1)(h)(h) Graphic arts operations, including associated quality assurance laboratories and cleaning operations, which emit or will emit not more than 1,666 pounds of volatile organic compounds per month, which are measured prior to entering any emission control devices, unless the emissions of any single hazardous air pollutant listed under section 112 (b) of the Act equal or exceed 10 tons per year or the cumulative emissions of hazardous air pollutants listed under section 112 (b) of the Act equal or exceed 25 tons per year. NR 407.03(1)(i)(i) Cold cleaning equipment which meets both of the following requirements: NR 407.03(1)(i)1.1. The equipment has a total air to solvent interface of 1.0 square meters or less during operation. NR 407.03(1)(i)2.2. The equipment does not use any halogenated HAP solvent as a cleaning or drying agent. NR 407.03(1)(j)(j) Open top vapor degreasing equipment which meets both of the following requirements: NR 407.03(1)(j)1.1. The equipment has a total air to vapor interface of 1.0 square meters or less during operation. NR 407.03(1)(j)2.2. The equipment does not use any halogenated HAP solvent as a cleaning or drying agent. NR 407.03(1)(km)(km) Chromium electroplating and chromium anodizing operations which are not major sources or located at major sources and which are any of the following: NR 407.03(1)(km)1.1. Any decorative chromium electroplating operation or chromium anodizing operation that uses fume suppressants as an emission reduction technology. NR 407.03(1)(km)2.2. Any decorative chromium electroplating operation that uses a trivalent chromium bath that incorporates a wetting agent as a bath ingredient. NR 407.03(1)(n)(n) Indirect malt dryers which are designed to burn fuels specified in par. (a) at a heat input rate less than the rates specified in par. (a). NR 407.03(1)(o)(o) A laboratory which emits volatile organic compounds, sulfur dioxide, carbon monoxide, nitrogen oxides or particulate matter or a combination thereof at a rate of less than 5.7 pounds per hour unless the emissions of any single hazardous air pollutant listed under section 112 (b) of the Act (42 USC 7412 (b)) equal or exceed 10 tons per year or the cumulative emissions of all such hazardous air pollutants listed under section 112 (b) of the Act equal or exceed 25 tons per year. Hourly emissions shall be determined, based on the quantitative estimate of air contaminants before they enter any emission control devices, by dividing the total uncontrolled emissions which would have occurred during a calendar month by the total hours of operation of the laboratory during that calendar month. A laboratory is in operation if laboratory apparatus or equipment is in use. NR 407.03(1)(p)(p) Equipment the primary purpose of which is to transport or sort paper. NR 407.03(1)(q)(q) Facilities for chlorination of municipal drinking water, the intake of once through industrial process or cooling water, or water for swimming pools, spas or other recreational establishments.
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Department of Natural Resources (NR)
Chs. NR 400-499; Environmental Protection – Air Pollution Control
administrativecode/NR 407.025(2)(a)
administrativecode/NR 407.025(2)(a)
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