Chapter NR 422

NR 422.084(3)(b)5. 5. Any individual coating category used in volumes less than 50 gallons in any one year, if substitute compliant coatings are not available, provided that the total usage of all such coatings does not exceed 200 gallons per year, per facility.

NR 422.084(3)(b)6. 6. Reflective coatings applied to highway cones.

NR 422.084(3)(b)7. 7. Mask coatings that are less than 0.5 millimeter thick when dried and the area coated is less than 25 square inches.

NR 422.084(3)(b)8. 8. Electromagnetic interference/radio frequency interference shielding coatings.

NR 422.084(3)(b)9. 9. Heparin-benzalkonium chloride containing coatings applied to medical devices, provided that the total usage of all such coatings does not exceed 100 gallons per year, per plastic parts coating operation.

NR 422.084(3)(c) (c) All of the following types of coatings for automotive, transportation, or business machines are exempt from the VOC content limitations specified under sub. (4):

NR 422.084(3)(c)1. 1. Texture coatings for automotive or transportation parts.

NR 422.084(3)(c)2. 2. Vacuum metalizing coatings.

NR 422.084(3)(c)3. 3. Gloss reducers.

NR 422.084(3)(c)4. 4. Texture topcoats for automotive or transportation parts.

NR 422.084(3)(c)5. 5. Adhesion primers.

NR 422.084(3)(c)6. 6. Electrostatic prep coatings.

NR 422.084(3)(c)7. 7. Resist coatings.

NR 422.084(3)(c)8. 8. Stencil coatings.

NR 422.084(3)(d) (d) All of the following types of coating operations are exempt from the coating application method requirements specified under sub. (5):

NR 422.084(3)(d)1. 1. Airbrush operations using 5 gallons or less per year of coating.

NR 422.084(3)(d)2. 2. The use of extreme high-gloss coatings for pleasure craft coating.

NR 422.084(4) (4) Emission limits.

NR 422.084(4)(a) (a) Except as specified under par. (b), the owner or operator of a plastic parts coating operation located at an affected facility under this section shall use the low-VOC coatings that meet the VOC content limits in Table 1C for the affected plastic parts coating operations. If more than one VOC content limit applies to a specific coating, the most stringent VOC content limit shall be applied.

Table 1C

VOC Content Limitations for Coatings Used in Plastic Parts Coating – Low VOC Coatings

[kilogram/liter (pounds/gallons) of coating, excluding water and exempt compounds listed in s. NR 400.02 (162) (a), as applied]

NR 422.084 Note Note: The VOC content limits for the coating and application types under Table 1C rows 1. a. to k. apply to any coating that does not meet the definitions for the specific coatings listed under Table 1C rows 2. a. to 5. h.

NR 422.084(4)(b) (b) If the low-VOC coatings that meet the VOC content limits required under par. (a) are not used at an affected facility, the owner or operator shall use add-on control equipment that achieves a minimum overall emission reduction efficiency of 90 percent for VOC.

NR 422.084(5) (5) Application methods. An owner or operator of an affected facility under this section, except for a facility that uses add-on control equipment as described under sub. (4) (b), shall use one or a combination of the following application methods for the affected coating operations:

NR 422.084(5)(a) (a) Electrostatic application.

NR 422.084(5)(b) (b) High-volume, low-pressure spray equipment.

NR 422.084(5)(c) (c) Flow coating.

NR 422.084(5)(d) (d) Roll coating.

NR 422.084(5)(e) (e) Dip coating, including electrodeposition.

NR 422.084(5)(f) (f) Airless spray.

NR 422.084(5)(g) (g) Air-assisted airless spray.

NR 422.084(5)(h) (h) Other coating application methods that are capable of achieving a transfer efficiency equivalent to or better than achieved by high-volume, low-pressure spraying and are approved by the department in writing.

NR 422.084(6) (6) Add-on control equipment requirements. An owner or operator that uses add-on control equipment as described under sub. (4) (b) shall comply with the applicable monitoring, testing, and recordkeeping requirements specified under ss. NR 439.04 (5) (e), 439.055, and 439.075.

NR 422.084(7) (7) Work practices for coating-related activities. The owner or operator of an affected facility under this section shall do all of the following for coating-related activities:

NR 422.084(7)(a) (a) Store all VOC-containing coatings, thinners, and coating-related waste materials in closed containers.

NR 422.084(7)(b) (b) Ensure that mixing and storage containers used for VOC-containing coatings, thinners, and coating-related waste materials are kept closed at all times, except when depositing or removing those materials.

NR 422.084(7)(c) (c) Minimize spills of VOC-containing coatings, thinners, and coating-related waste materials.

NR 422.084(7)(d) (d) Convey VOC-containing coatings, thinners, and coating-related waste materials from one location to another in closed containers or pipes.

NR 422.084(8) (8) Cleaning material work practices. The owner or operator of an affected facility under this section shall do all of the following for cleaning materials:

NR 422.084(8)(a) (a) Store all VOC-containing cleaning materials and used shop towels in closed containers.

NR 422.084(8)(b) (b) Ensure that storage containers used for VOC-containing materials are kept closed at all times except when depositing or removing those materials.

NR 422.084(8)(c) (c) Convey VOC-containing cleaning materials from one location to another in closed containers or pipes.

NR 422.084(8)(d) (d) Minimize spills of VOC-containing cleaning materials.

NR 422.084(8)(e) (e) Minimize emissions of VOCs during cleaning of coating application, storage, mixing, and conveying equipment by ensuring that cleaning is performed without atomizing any VOC-containing cleaning material and that the used material is captured and contained.

NR 422.084(9) (9) Recordkeeping requirements.

NR 422.084(9)(a) (a) An owner or operator subject to the VOC content limitations under sub. (4) (a) shall maintain records as described under s. NR 439.04 (5) (a).

NR 422.084(9)(b) (b) Records required under this subsection shall be kept for the time period specified under s. NR 439.04 (2).

NR 422.084(10) (10) Compliance schedule and certification.

NR 422.084(10)(a) (a) Compliance schedule. The owner or operator of a facility with plastic parts coating operations shall comply with the applicable requirements of this section upon the facility becoming subject to this section as provided under sub. (1), except for any of the following:

NR 422.084(10)(a)1. 1. The owner or operator of a facility with plastic parts coating operations subject to this section that commenced construction before June 1, 2022, shall comply with applicable requirements of this section by November 28, 2022. Any facility that was subject to s. NR 422.083 before June 1, 2022, shall continue to comply with the requirements in s. NR 422.083 until the date when the facility is in compliance with the applicable requirements of this section or until November 28, 2022, whichever is sooner.

NR 422.084(10)(a)2. 2. The owner or operator of a facility with plastic parts coating operations that becomes subject to this section due to either the designation or the reclassification of a nonattainment area that occurs after June 1, 2022, shall comply with applicable requirements of this section 180 days after the effective date of the nonattainment designation or reclassification, as indicated by the relevant Federal Register publication.

NR 422.084(10)(b) (b) Certification. No later than 60 days after the compliance deadline specified under par. (a), the owner or operator of a facility with plastic parts coating operations subject to this section shall submit to the department written certification that all affected plastic parts coating operations are in compliance with the applicable requirements of this section. The owner or operator of a facility subject to s. NR 422.083 before June 1, 2022, that is required to have an operation permit under ch. NR 407 shall submit to the department a permit application or a permit revision or renewal application that meets the requirements of s. NR 407.05 to meet this certification requirement, except that no application shall be required for a source operating under a general operation permit or a registration operation permit issued under s. NR 407.10 or 407.105.

NR 422.084 History History: CR 20-088: cr. Register May 2022 No. 797, eff. 6-1-22; correction in (10) (a) 1. made under s. 13.92 (4) (b) 14., Stats., Register May 2022 No. 797.

NR 422.085 NR 422.085 Leather coating.

NR 422.085(1) (1) Applicability. Effective February 1, 1987, this section applies to coating applications at leather coating facilities which are either of the following:

NR 422.085(1)(a) (a) Located in the county of Kenosha, Milwaukee, Ozaukee, Racine, Washington, or Waukesha, and which have maximum theoretical emissions of VOC from the facility greater than or equal to 25 tons per year.

NR 422.085(1)(b) (b) Located in the county of Door, Kewaunee, Manitowoc, Sheboygan, or Walworth, and which have maximum theoretical emissions of VOC from the facility greater than or equal to 100 tons per year.

NR 422.085(2) (2) Emission limitations. No owner or operator of a leather coating facility may cause, allow or permit the emission of any VOCs from coating applications in excess of 18.6 kilograms per 100 square meters (38.0 pounds per 1000 square feet) of coated product calculated on a daily average basis.

NR 422.085(3) (3) Compliance requirements and schedules. The owner or operator of a leather coating facility shall comply with the requirements of sub. (4) and s. NR 425.03 (1), (8), and (9).

NR 422.085(4) (4) Reporting and recordkeeping.

NR 422.085(4)(a) (a) To determine compliance with the leather coating VOC emission limit in this section, the facility shall maintain daily coating usage and leather production records in a format approved by the department. Reporting, recordkeeping and access to these records shall be in accordance with ss. NR 439.03 to 439.05.

NR 422.085(4)(b) (b) The daily VOC emission rate shall be determined by the following equation:

where:

c is the daily average VOC emission rate

a is the total amount of VOCs emitted during the day

b is the prorated surface area of leather coated during the day, where:

di is the total area of the ith batch of hides coated during the day

ei is the ratio of actual VOC emissions resulting from coating any portion of the ith batch of hides during the day to the total predicted VOC emissions resulting from all coating of the entire ith batch

NR 422.085(4)(c) (c) The facility shall measure the surface area of each piece of leather coated with a mechanism initially calibrated for minimum accuracy to the Turner Korrect Machine or Sawyer Measurement systems. The average surface area per coated piece of leather may be used for a batch of leather provided that the average is based on a minimum of 500 pieces. Otherwise, the facility average surface area per coated leather piece shall be used. In no case may the total area allocated to production over all days from a piece of leather exceed the average area for that leather.

NR 422.085 History History: Cr. Register, January, 1987, No. 373, eff. 2-1-87; am. (2) and (3), cr. (4), Register, February, 1990, No. 410, eff. 3-1-90; CR 11-005: renum. (1) to be (1) (intro.) and am., cr. (1) (a), (b) Register January 2012 No. 673, eff. 2-1-12.

NR 422.09 NR 422.09 Automobile and light-duty truck manufacturing.

NR 422.09(1) (1) Applicability.

NR 422.09(1)(a) (a) This section applies to the application areas, flashoff areas, and ovens of automobile and light-duty truck manufacturing plants involved in prime, topcoat, and final repair coating of metallic front end and main body parts at any facility located in the county of Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Washington, or Waukesha if VOC emissions from the prime, topcoat, and final repair coating and related cleaning activities at the facility, before consideration of controls, equal or exceed 3 tons per year on a 12 consecutive month rolling basis.

NR 422.09(1)(b) (b) Subsections (2) to (5) apply to the coating operations described in par. (a) at any automobile and light-duty truck manufacturing facility located in the county of Brown, Calumet, Dane, Dodge, Door, Fond du Lac, Jefferson, Kewaunee, Manitowoc, Outagamie, Rock, Walworth, and Winnebago if VOC emissions from all coating operations described in par. (a) at the facility, before consideration of controls, equal or exceed 6.8 kilograms (15 pounds) in any one day.

NR 422.09(1)(c) (c) Subsections (2) to (5) apply to coating operations as described in par. (a) at any automobile and light-duty truck manufacturing facility not subject to par. (a) or (b) if total VOC emissions from the facility, before consideration of controls, equal or exceed 100 tpy.

NR 422.09(1)(d) (d) Subsections (2) to (5) do not apply to the coating of wheels, trunk interiors, steering columns, or nonmetallic parts; sealers; nonpriming anti-rust coatings; or processes, coatings, or inks described in s. NR 422.03 (5) and (7).

NR 422.09(2) (2) Emission limitations—enamels. No owner or operator of an automobile surface coating line which, prior to January 1, 1979, used an enamel coating system, may cause, allow or permit the emission of any VOCs in excess of:

NR 422.09(2)(a) (a) After December 31, 1983, 0.14 kilograms per liter of coating (1.2 pounds per gallon), excluding water, from an electrodeposition prime coat or equivalent coating line.

NR 422.09(2)(b) (b) After December 31, 1982, 0.34 kilograms per liter of coating (2.8 pounds per gallon), excluding water, from a spray primer-surfacer coating line.

NR 422.09(2)(d) (d) After December 31, 1985, 0.34 kilograms per liter of coating (2.8 pounds per gallon), excluding water, from a topcoat coating line.

NR 422.09(2)(e) (e) After December 31, 1982, 0.58 kilograms per liter of coating (4.8 pounds per gallon), excluding water, from any final repair coating line.

NR 422.09(3) (3) Emission limitations—lacquers. No owner or operator of an automobile surface coating line which, prior to January 1, 1979, used a lacquer coating system, may cause, allow or permit the emission of any VOCs in excess of:

NR 422.09(3)(b) (b) After December 31, 1982, 0.14 kilograms per liter of coating (1.2 pounds per gallon), excluding water, from an electrodeposition prime coat coating line.

NR 422.09(3)(d) (d) After December 31, 1986, 0.34 kilograms per liter of coating (2.8 pounds per gallon), excluding water, from a spray primer-surfacer coating line.

NR 422.09(3)(g) (g) After December 31, 1986, 0.34 kilograms per liter of coating (2.8 pounds per gallon), excluding water, from a topcoat coating line.

NR 422.09(3)(i) (i) After December 31, 1986, 0.58 kilograms per liter of coating (4.8 pounds per gallon), excluding water, from any final repair coating line.

NR 422.09(4) (4) Emission limitations—trucks. No owner or operator of a light-duty truck surface coating line may cause, allow or permit the emission of any VOCs in excess of:

NR 422.09(4)(b) (b) After December 31, 1982, 0.14 kilograms per liter of coating (1.2 pounds per gallon), excluding water, from an electrodeposition prime coat coating line.