Chapter NR 422

NR 422.128(2)(b)7. 7. Processes using adhesives and adhesive primers that are supplied to the manufacturer in containers with a net volume of 16 ounces or less or a net weight of one pound or less.

NR 422.128(3) (3) Emission limits.

NR 422.128(3)(a) (a) Except as specified under par. (b), the owner or operator of an affected adhesive or adhesive primer application process located at an affected facility under this section shall use the low-VOC adhesives or adhesive primers that meet the VOC content limits in Table 2C for the affected adhesive or adhesive primer application processes. For general adhesive application processes using an adhesive to bond dissimilar substrates, the highest VOC emission limitation applies.

Table 2C

VOC Content Limitations for Adhesives and Adhesive Primers

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

- See PDF for table

NR 422.128 Note Note: The VOC content limits for the adhesive and application types under Table 2C rows 1. a. to g. apply to any adhesive or adhesive primer that does not meet the definitions for the specific coatings listed under Table 2C rows 2. a. to 3. d.

NR 422.128(3)(b) (b) If the low-VOC adhesives or adhesive primers 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 85 percent for VOC.

NR 422.128(4) (4) Application methods. An owner or operator of an affected facility under this section shall use one or a combination of the following application methods:

NR 422.128(4)(a) (a) Electrostatic application.

NR 422.128(4)(b) (b) High-volume, low-pressure spray equipment.

NR 422.128(4)(c) (c) Flow coating.

NR 422.128(4)(d) (d) Roll coating or hand application, including non-spray application methods similar to hand or mechanically powered caulking gun, brush, or direct hand application.

NR 422.128(4)(e) (e) Dip coating, including electrodeposition.

NR 422.128(4)(f) (f) Airless spray.

NR 422.128(4)(g) (g) Air-assisted airless spray.

NR 422.128(4)(h) (h) Other adhesive application methods that are capable of achieving a transfer efficiency equivalent to or better than that achieved by high-volume, low-pressure spraying and are approved by the department in writing.

NR 422.128(5) (5) Add-on control equipment requirements. An owner or operator that uses add-on control equipment as described under sub. (3) (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 422.128(6) (6) Work practices for adhesive application processes. The owner or operator of an affected facility under this section shall do all of the following for adhesive or adhesive primer application processes:

NR 422.128(6)(a) (a) Store all VOC-containing adhesives, adhesive primers, and process-related waste materials in closed containers.

NR 422.128(6)(b) (b) Ensure that mixing and storage containers used for VOC-containing adhesives, adhesive primers, and process-related waste materials are kept closed at all times, except when depositing or removing those materials.

NR 422.128(6)(c) (c) Minimize spills of VOC-containing adhesives, adhesive primers, and process-related waste materials.

NR 422.128(6)(d) (d) Convey VOC-containing adhesives, adhesive primers, and process-related waste materials from one location to another in closed containers or pipes.

NR 422.128(7) (7) 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 422.128(7)(a) (a) Store all VOC-containing cleaning materials and used shop towels in closed containers.

NR 422.128(7)(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 422.128(7)(c) (c) Convey VOC-containing cleaning materials from one location to another in closed containers or pipes.

NR 422.128(7)(d) (d) Minimize spills of VOC-containing cleaning materials.

NR 422.128(7)(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 422.128(8) (8) Recordkeeping requirements.

NR 422.128(8)(a) (a) An owner or operator subject to the VOC content limitations under sub. (3) (a) shall maintain records as described under s. NR 439.04 (5) (a).

NR 422.128(8)(b) (b) Records required under this subsection shall be kept for the time period specified under s. NR 439.04 (2).

NR 422.128(9) (9) Compliance schedule and certification.

NR 422.128(9)(a) (a) Compliance schedule. The owner or operator of a facility 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 422.128(9)(a)1. 1. The owner or operator of a facility 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 422.127 before June 1, 2022, shall continue to comply with the requirements in s. NR 422.127 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 422.128(9)(a)2. 2. The owner or operator of a facility 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 within 180 days after the effective date of the nonattainment designation or reclassification, as indicated by the relevant Federal Register publication.

NR 422.128(9)(b) (b) Certification. No later than 60 days after the compliance deadline specified under par. (a), the owner or operator of a facility subject to this section shall submit to the department written certification that all affected adhesive or adhesive primer application processes are in compliance with the applicable requirements of this section. The owner or operator of a facility subject to s. NR 422.127 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 422.128 History History: CR 20-088: cr. Register May 2022 No. 797, eff. 6-1-22; correction in (9) (a) 1. made under s. 13.92 (4) (b) 14., Stats., Register May 2022 No. 797.

NR 422.13 NR 422.13 Flat wood panel coating — part 1.

NR 422.13(1) (1) Applicability. This section applies, subject to the provisions of s. NR 425.03, to the coating lines of flat wood panel facilities involved in the surface coating of printed interior panels made of hardwood plywood and thin particleboard, natural finish hardwood plywood panels, or hardboard paneling with class II finishes. This section does not apply to the manufacture of exterior siding, tileboard, or particleboard used as a furniture component; or to sources exempted under s. NR 422.03.

NR 422.13(2) (2) Emission limitations. No owner or operator of a flat wood panel coating line may cause, allow or permit the emission of any VOCs from a coating application system in excess of:

NR 422.13(2)(a) (a) 2.9 kilograms per 100 square meters of coated finished product (6.0 pounds per 1,000 square feet) from printed interior panels, regardless of the number of coats applied.

NR 422.13(2)(b) (b) 5.8 kilograms per 100 square meters of coated finished product (12.0 pounds per 1,000 square feet) from natural finish hardwood plywood panels, regardless of the number of coats applied.

NR 422.13(2)(c) (c) 4.8 kilograms per 100 square meters of coated finished product (10.0 pounds per 1,000 square feet) from class II finishes on hardboard panels, regardless of the number of coats applied.

NR 422.13 History History: Renum. from NR 154.13 (4) (k), Register, September, 1986, No. 369, eff. 10-1-86; am. (2) (intro.), Register, February, 1990, No. 410, eff. 3-1-90; CR 08-102: am. (title) Register July 2009 No. 643, eff. 8-1-09.

NR 422.131 NR 422.131 Flat wood panel coating — part 2.

NR 422.131(1) (1) Applicability. This section applies to facilities which are located in the county of Kenosha, Milwaukee, Ozaukee, Racine, Sheboygan, Washington or Waukesha and have VOC emissions, before consideration of controls, equal to or exceeding 3 tons on a 12 consecutive month rolling basis from the application of coatings, inks and adhesives, including any related cleaning activities, to wood and wood containing panel products that are any interior panel, exterior panel including siding, or class I hardboard panel.

NR 422.131(2) (2) Emission limitations. On and after May 1, 2010, no owner or operator of a facility subject to this section may cause, allow or permit the emission of any VOCs from a process line applying any ink, coating or adhesive in excess of 0.25 kilograms per liter material (2.1 pounds per gallon) excluding water. Notwithstanding s. NR 422.04 (4), an owner or operator using a control device to achieve compliance with this subsection as allowed under s. NR 422.04 (2) (c), shall achieve a minimum overall VOC control efficiency of 90%.

NR 422.131(3) (3) Work practices. On and after November 1, 2009, an owner or operator of a flatwood panel coating facility shall employ work practices to minimize VOC emissions from mixing operations, storage tanks and other containers, and handling operations for coatings, thinners, cleaning materials, and waste materials. Work practices shall include all of the following, at a minimum:

NR 422.131(3)(a) (a) Store all VOC-containing coatings, thinners, coating related waste materials, cleaning materials, and shop towels used for cleaning in closed containers.

NR 422.131(3)(b) (b) Close mixing vessels used for VOC-containing coatings and other materials except when in direct use.

NR 422.131(3)(c) (c) Convey VOC-containing coatings, thinners, and cleaning materials in closed containers or pipes.

NR 422.131(3)(d) (d) Minimize spills of VOC-containing coating, thinners, and cleaning materials.

NR 422.131(3)(e) (e) Minimize emissions of VOC during cleaning of coating application, storage, mixing, and conveying equipment.

NR 422.131(3)(f) (f) Clean-up spills of any VOC-containing material immediately.

NR 422.131 History History: CR 08-102: cr. Register July 2009 No. 643, eff. 8-1-09.

NR 422.132 NR 422.132 Wood door coating.

NR 422.132(1) (1) Applicability.

NR 422.132(1)(am) (am) Except as provided in par. (bm), this section applies to the wood entry or passage door coating lines of any wood entry or passage door coating facility that is either of the following:

NR 422.132(1)(am)1. 1. Located in the county of Kenosha, Milwaukee, Ozaukee, Racine, Washington, or Waukesha and which has maximum theoretical emissions of VOC from all wood entry or passage door coating at the facility greater than or equal to 25 tons per year.

NR 422.132(1)(am)2. 2. Located in the county of Kewaunee, Manitowoc, or Sheboygan and which has maximum theoretical emissions of VOC from all wood entry or passage door coating at the facility greater than or equal to 100 tons per year.

NR 422.132(1)(bm) (bm) This section does not apply to either of the following:

NR 422.132(1)(bm)1. 1. Flat wood panel coating lines subject to s. NR 422.13.

NR 422.132(1)(bm)2. 2. Adhesives and adhesive primers subject to s. NR 422.127.

NR 422.132(2) (2) Emission limitations and application requirements.

NR 422.132(2)(a) (a) No owner or operator of an automated wood entry or passage door coating line may cause, allow or permit the emission of any VOCs in excess of:

NR 422.132(2)(a)1. 1. 0.77 kilograms per liter (6.9 pounds per gallon) of coating, excluding water, delivered to an applicator that applies any coating on or after May 31, 1995, but before May 1, 1997.

NR 422.132(2)(a)2. 2. 0.64 kilograms per liter (5.7 pounds per gallon) of coating, excluding water, delivered to an applicator that applies any coating on or after May 1, 1997.

NR 422.132(2)(b) (b) An owner or operator of a wood entry or passage door coating facility shall only apply coatings using electrostatic application, flow coating, dip coating, a low-pressure spray method, paint brush, hand roller or roll coater. All applications equipment shall be in proper operating condition and used in accordance with proper operating procedures.

NR 422.132(3) (3) Recordkeeping requirements. Any facility subject to this section shall comply with the requirements applicable under s. NR 439.04 (5).

NR 422.132 History History: Cr. Register, August, 1994, No. 464, eff. 9-1-94; r. and recr. (1) (c), Register, August, 1995, No. 476, eff. 9-1-95; CR 11-005: renum. (1) (intro.) to be (1) (am) (intro.) and am., r. (1) (a), cr. (1) (am) 1., 2., (bm) (intro.), renum. (1) (b), (c) to be (1) (bm) 1., 2. Register January 2012 No. 673, eff. 2-1-12.

NR 422.135 NR 422.135 Molded wood parts or products.

NR 422.135(1) (1) Applicability.

NR 422.135(1)(am) (am) Except as provided in par. (b), this section applies to molded wood parts or products coating lines of any molded wood parts or products coating facility that is either of the following:

NR 422.135(1)(am)1. 1. Located in the county of Kenosha, Milwaukee, Ozaukee, Racine, Washington, or Waukesha and which has maximum theoretical emissions of VOC from all wood entry or passage door coating at the facility greater than or equal to 25 tons per year.

NR 422.135(1)(am)2. 2. Located in the county of Kewaunee, Manitowoc, or Sheboygan and which has maximum theoretical emissions of VOC from all wood entry or passage door coating at the facility greater than or equal to 100 tons per year.

NR 422.135(1)(b) (b) This section does not apply to the use of topcoats which are applied as a stripe not more than 1/2 inch in width to croquet balls and whose use in aggregate never exceeds 500 gallons in a year, as applied.

NR 422.135(2) (2) Emission limitations.

NR 422.135(2)(a) (a) No owner or operator of a molded wood parts or products coating facility which uses flow coating to apply topcoats may cause, allow or permit the emission of any VOCs in excess of the limitations specified in Table 3.

NR 422.135(2)(b) (b) No owner or operator of a molded wood parts or products coating facility which applies a topcoat using any application method other than flow coating may cause, allow or permit the emission of any VOCs in excess of the limitations specified in Table 4.

- See PDF for table

- See PDF for table

NR 422.135(3) (3) Recordkeeping requirements. Any facility subject to this section shall comply with the requirements applicable under s. NR 439.04 (5).

NR 422.135 History History: Cr. Register, August, 1994, No. 464, eff. 9-1-94; CR 00-174: am. (2) (a) and (b), renum. Tables 2 and 3 to be Tables 3 and 4, Register August 2001 No. 548, eff. 9-1-01; CR 11-005: renum. (1) (intro.) to be (1) (am) (intro.) and am., r. (1) (a), cr. (1) (am) 1., 2., am. (1) (b) Register January 2012 No. 673, eff. 2-1-12.

NR 422.14 NR 422.14 Graphic arts.

NR 422.14(1) (1) Applicability.

NR 422.14(1)(a) (a) Subsections (2), (3), and (5) apply to the printing lines of all packaging rotogravure, publication rotogravure, and flexographic printing facilities that are either of the following:

NR 422.14(1)(a)1. 1. 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.