NR 406.04(1)(zg)5. 5. All applicable monitoring requirements will be met during the equipment’s period of use.

NR 406.04(1)(zg)6. 6. Use of the equipment will not cause or exacerbate an exceedance of any ambient air quality standard or ambient air increment in s. NR 404.04 or 404.05.

NR 406.04(1)(zg)7. 7. A complete application for exemption is submitted to the department for approval. The application shall contain all of the following:

NR 406.04(1)(zg)7.a. a. A description of the equipment.

NR 406.04(1)(zg)7.b. b. The reason for the need to use the equipment.

NR 406.04(1)(zg)7.c. c. A description of how the conditions in subds. 1. to 6. will be met.

NR 406.04(1)(zg)8. 8. The department approves the application for exemption submitted under subd. 7. The department shall approve or deny the exemption in writing within 10 business days after receipt of a complete application.

NR 406.04(1)(zh) (zh)

NR 406.04(1)(zh)1. 1. Any construction, modification, replacement, relocation or reconstruction of an emissions unit at a stationary source which is exempt from the requirement to obtain an operation permit under s. NR 407.03 (1m), provided the stationary source still qualifies for the exemption under s. NR 407.03 (1m) after completion of the proposed construction, modification, replacement, relocation or reconstruction.

NR 406.04(1)(zh)2. 2. Construction of a new facility if the facility will be exempt from the requirement to obtain an operation permit under s. NR 407.03 (1m) after completion of the proposed construction.

NR 406.04(1)(zi) (zi) Secondary aluminum production facilities as defined by s. NR 463.12 (36).

NR 406.04(1f) (1f) Modifications to sources under plant-wide applicability limitations. Notwithstanding the provisions of subs. (1) and (2), no construction permit is required for modification of a source that is regulated by a plant-wide applicability limitation under s. NR 405.18 or 408.11 provided all of following criteria are met:

NR 406.04(1f)(a) (a) The modification will not cause or exacerbate an exceedance of an ambient air quality increment or standard.

NR 406.04(1f)(b) (b) The modification does not trigger a requirement under section 111 or 112 of the Act (42 USC 7411 or 7412), excluding section 112(d)(5) or (r) (42 USC 7412(d)(5) or (r)).

NR 406.04(1f)(d) (d) Emissions from the source, as modified, will be able to comply with the plant-wide applicability limit.

NR 406.04(1f)(e) (e) Any increase in emissions, due to the modification, of air contaminants not regulated by a plant-wide applicability limitation, does not exceed the maximum theoretical emission levels specified in sub. (2) (b), (c), (cm), (d) and (f).

NR 406.04(1f)(f) (f) For new or modified sources for which no construction permit is required, an operation permit application shall be submitted as required under s. NR 407.04 (1) (b) 3. prior to commencing construction or modification.

NR 406.04(1k) (1k) Projects evaluated for significant net emissions increase. Notwithstanding the provisions of s. NR 406.04 (1) and (2), no construction permit is required for a modification to an existing emissions unit, as defined in s. NR 405.02 (12) or 408.02 (13), at an existing major stationary source, as defined in s. NR 405.02 (22), or an existing major source, as defined in s. NR 408.02 (21), which does not result in a significant emissions increase, as defined in s. NR 405.02 (27m) or 408.02 (32m), provided all of the following criteria are met:

NR 406.04(1k)(a) (a) The modification will not cause or exacerbate an exceedance of an ambient air quality increment or standard.

NR 406.04(1k)(b) (b) The modification does not trigger a requirement under section 111 or 112 of the Act (42 USC 7411 or 7412), excluding section 112(d)(5) or (r) (42 USC 7412(d)(5) or (r)).

NR 406.04(1k)(c) (c) The modification does not require enforceable conditions to limit potential to emit.

NR 406.04 Note Note: For new or modified sources for which no construction permit is required, an operation permit application may be required to be submitted under s. NR 407.04 (1) (b) 3. prior to commencing construction or modification.

NR 406.04(1m) (1m) Asbestos abatement notice. Each asbestos abatement notice of intention is considered an application for permit exemption. The department may place conditions on any permit exemption granted under sub. (1) (n).

NR 406.04(1q) (1q) Sources exempt based on controlled actual emissions. No construction permit is required for any emissions unit constructed, modified, replaced, relocated or reconstructed at a stationary source where all of the following criteria and requirements are met:

NR 406.04(1q)(a) (a) The owner or operator of the stationary source has a facility-wide operation permit under ch. NR 407 or has submitted a timely and complete application for a facility-wide operation permit.

NR 406.04(1q)(b) (b) Actual emissions from all of the constructed, modified, replaced, relocated and reconstructed emissions units do not exceed any of the following levels:

NR 406.04(1q)(b)1. 1. 1,666 pounds in any month averaged over any consecutive 12-month period for each of the following air contaminants: particulate matter, nitrogen oxide, sulfur dioxide, PM10, carbon monoxide and volatile organic compounds.

NR 406.04(1q)(b)2. 2. 10 pounds in any month averaged over any consecutive 12-month period for lead.

NR 406.04(1q)(c) (c) None of the emissions units constructed, modified, replaced, relocated or reconstructed requires a new BACT or LAER determination under ch. NR 445 as a result of the new project.