Chapter NR 422

Table 1B

VOC Content Limitations for Coatings Used in Plastic Parts Coating

[kilogram/liter (pounds/gallons) of coating, excluding water, as applied]

NR 422.083(3m) (3m) Cleaning material work practices. Beginning on March 1, 2013, the owner or operator of a facility subject to this section shall do all of the following:

NR 422.083(3m)(a) (a) Store all VOC-containing cleaning materials and shop towels used for cleaning in closed containers.

NR 422.083(3m)(b) (b) Ensure that storage containers used for VOC-containing materials are kept closed at all times except when depositing or removing material.

NR 422.083(3m)(c) (c) Convey VOC-containing cleaning materials in closed containers or pipes.

NR 422.083(3m)(d) (d) minimize spills of VOC-containing cleaning materials.

NR 422.083(3m)(e) (e) minimize emissions of VOC 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 422.083(4) (4) Recordkeeping requirements.

NR 422.083(4)(a) (a) To determine applicability under sub. (1) (ar) or (b), each owner or operator of a plastic parts coating operation at a facility located in Kenosha, Kewaunee, Manitowoc, Milwaukee, Ozaukee, Racine, Sheboygan, Washington or Waukesha county shall maintain records of the maximum theoretical emissions of VOCs from the facility excluding any maximum theoretical emissions of VOCs specifically subject to s. NR 419.05, 419.06, or 419.08; ch. NR 420 or 421; ss. NR 422.05 to 422.08 or 422.085 to 422.17; or ss. NR 423.03 to 423.05, 424.04, or 424.05.

NR 422.083(4)(b) (b) Any owner or operator subject to this section under the applicability criteria of sub. (1) (ar) or (b) shall maintain records as described in s. NR 439.04 (5).

NR 422.083(4)(c) (c) Records required under this subsection shall be kept for 5 years unless another time period is specified under s. NR 439.04 (2).

NR 422.083 History History: CR 00-174: cr. Register August 2001 No. 548, eff. 9-1-01; CR 02-097: am. (1) (a), (b), and (4) (a), Register June 2004 No. 582, eff. 7-1-04; CR 11-005: am. (1) (a), (b), (3), Table 1B title, cr. (1) (bm), (3m) Register January 2012 No. 673, eff. 2-1-12; CR 20-088: am. (title), renum. (1) (a) to (1) (ar) and am., cr. (1) (ag), am. (1) (b), (c) 1., 2., (4) (a) Register May 2022 No. 797, eff. 6-1-22; correction in (1) (b), (4) made under s. 35.17, Stats., Register May 2022 No. 797; correction in (4) (b) made under s. 13.92 (4) (b) 7., Stats., Register April 2023 No. 808.

NR 422.084 NR 422.084 Plastic parts coating — part 2.

NR 422.084(1) (1) Applicability. Beginning on June 1, 2022, this section applies to all plastic parts coating operations at a facility that meets all of the following criteria:

NR 422.084(1)(a) (a) The facility is located in any of the following areas:

NR 422.084(1)(a)1. 1. An area that is classified as a moderate, serious, severe, or extreme ozone nonattainment area.

NR 422.084(1)(a)2. 2. Any area that meets all the following criteria:

NR 422.084(1)(a)2.a. a. The area had been classified as a moderate, serious, severe, or extreme ozone nonattainment area for a National Ambient Air Quality Standard, as defined in s. NR 489.02 (21), for ozone promulgated in or after 2008.

NR 422.084(1)(a)2.b. b. The area was subsequently reclassified as a marginal ozone nonattainment area or redesignated to an attainment area for ozone.

NR 422.084(1)(b) (b) The facility has actual VOC emissions, before consideration of controls, from all miscellaneous metal parts and products coating operations, plastic parts coating operations, and related cleaning activities equal to or greater than 2.7 tons per year based on any consecutive 12-month period.

NR 422.084(2) (2) Definitions. Notwithstanding the definitions contained in s. NR 422.02, the following definitions apply in this section:

NR 422.084(2)(a) (a) “Electromagnetic interference/radio frequency interference shielding coating” means a coating used on electrical or electronic equipment to provide shielding against electromagnetic interference, radio frequency interference, or static discharge.

NR 422.084(2)(b) (b) “Mask coating” means a thin film coating applied through a template to coat a small portion of a substrate.

NR 422.084(2)(c) (c) “Pretreatment wash primer” means a coating that contains no more than 12 percent solids, by weight, and at least 0.50 percent acid, by weight, as measured according to ASTM D1613-02, incorporated by reference under s. NR 484.10 (25m), and that is used to provide surface etching, corrosion resistance, and adhesion of subsequent coatings.

NR 422.084(2)(d) (d) “Stencil coating” means an ink or a pigmented coating that is rolled or brushed onto a template or stamp in order to add identifying letters, symbols, or numbers.

NR 422.084(2)(e) (e) “Texture coating” means a coating applied to a plastic part that, in its finished form, consists of discrete raised spots of the coating.

NR 422.084(3) (3) Exemptions.

NR 422.084(3)(a) (a) The following activities, materials, and coating lines are exempt from this section:

NR 422.084(3)(a)1. 1. Aerospace coatings.

NR 422.084(3)(a)2. 2. Shipbuilding and repair coatings.

NR 422.084(3)(a)3. 3. Coatings for fiberglass boat manufacturing.

NR 422.084(3)(a)4. 4. Aerosol coating operations.

NR 422.084(3)(a)5. 5. Coatings that are applied to test panels and coupons as part of research and development, quality control, or performance testing activities at paint research or manufacturing facilities.

NR 422.084(3)(a)6. 6. Coating operations regulated under s. NR 422.095, 422.11, or 422.115 for large appliance coatings.

NR 422.084(3)(a)7. 7. Use of adhesives regulated under s. NR 422.127 or 422.128.

NR 422.084(3)(b) (b) Plastic part coating operations using any of the following types of coatings are exempt from the VOC content limitations specified under sub. (4):

NR 422.084(3)(b)1. 1. Touch-up and repair coatings.

NR 422.084(3)(b)2. 2. Stencil coatings applied on clear or transparent substrates.

NR 422.084(3)(b)3. 3. Clear coats or translucent coatings, except for clear coats or translucent coatings applied to automotive and transportation parts.

NR 422.084(3)(b)4. 4. Coatings applied at a paint manufacturing facility while conducting performance tests on the coatings.

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).