Chapter NR 422
CONTROL OF ORGANIC COMPOUND EMISSIONS
FROM SURFACE COATING, PRINTING AND ASPHALT SURFACING OPERATIONS
NR 422.01 Applicability; purpose. NR 422.04 Methods of compliance. NR 422.07 Paper coating — part 1. NR 422.075 Paper coating — part 2. NR 422.08 Fabric and vinyl coating. NR 422.083 Plastic parts coating — part 1. NR 422.084 Plastic parts coating — part 2. NR 422.085 Leather coating. NR 422.09 Automobile and light-duty truck manufacturing. NR 422.095 Automobile refinishing operations. NR 422.10 Furniture metal coating — part 1. NR 422.105 Furniture metal coating — part 2. NR 422.11 Surface coating of large appliances — part 1. NR 422.115 Surface coating of large appliance — part 2. NR 422.12 Magnet wire coating. NR 422.125 Wood furniture coating. NR 422.127 Use of adhesives — part 1. NR 422.128 Use of adhesives — part 2. NR 422.13 Flat wood panel coating — part 1. NR 422.131 Flat wood panel coating — part 2. NR 422.132 Wood door coating. NR 422.135 Molded wood parts or products. NR 422.141 Flexible package printing. NR 422.142 Lithographic printing — part 1. NR 422.143 Lithographic printing — part 2. NR 422.144 Letterpress printing. NR 422.145 Screen printing. NR 422.15 Miscellaneous metal parts and products — part 1. NR 422.151 Miscellaneous metal parts and products — part 2. NR 422.155 Fire truck and emergency response vehicle manufacturing. NR 422.16 Use of asphalt surfacing materials. NR 422.17 Application of traffic marking materials. NR 422.01(1)(1) Applicability. This chapter applies to all surface coating and printing process air contaminant sources and to their owners and operators. This chapter also applies to the handling and use of cutback asphalts for application to surfaces traversed by motor vehicles, bicycles or pedestrians and to all persons responsible for such handling and use. NR 422.01(2)(2) Purpose. This chapter is adopted under ss. 285.11, 285.13 and 285.17, Stats., to categorize organic compound emissions from surface coating, printing and asphalt surfacing operations into separate organic compound air contaminant source categories and to establish emission limitations or other requirements for these categories of sources in order to protect air quality. NR 422.01(3)(3) For a source located in an area that was ever designated nonattainment for ozone that had VOC emissions exceeding the applicability emission thresholds and became subject to the requirements of this chapter, the requirements of this chapter remain applicable notwithstanding any subsequent decrease in VOC emissions to a level below the applicability emission thresholds. NR 422.01(4)(4) The department may exempt a source from the requirements of this chapter if the source has an approved federally enforceable permit or state implementation plan revision that permanently restricts maximum theoretical emissions to below the applicability emission thresholds listed under this chapter and meets all applicable federal VOC RACT exemption requirements. NR 422.01 NoteNote: “Maximum theoretical emissions” referred to in this chapter is defined under s. NR 419.02 (11). NR 422.01 HistoryHistory: Cr. Register, September, 1986, No. 369, eff. 10-1-86; am. Register, February, 1990, No. 410, eff. 3-1-90; CR 20-088: cr. (3), (4) Register May 2022 No. 797, eff. 6-1-22. NR 422.02NR 422.02 Definitions. Except when another definition is specifically made applicable, the definitions contained in chs. NR 400, 419, and 421 apply to the terms used in this chapter. In addition, except when another definition is specifically made applicable, in this chapter: NR 422.02(1d)(1d) “Acrylonitrile-butadiene-styrene welding” or “ABS welding” means any process to weld acrylonitrile-butadiene-styrene pipe. NR 422.02(1h)(1h) “Adhesion primer” means a coating that is applied to a polyolefin part to promote the adhesion of a subsequent coating and that is clearly identified as an adhesion primer or adhesion promoter on its accompanying material safety data sheet. NR 422.02(1m)(1m) “Adhesion promoter” means a coating designed to facilitate the bonding of a primer or topcoat on surfaces such as trim moldings, door locks and door sills, where sanding is impractical, and on plastic parts and the edges of sanded areas. NR 422.02(2)(2) “Adhesive” means any substance that is used to bond one surface to another surface by attachment. NR 422.02(3)(3) “Adhesive primer” means a coating that is applied directly to a substrate in order to seal the substrate and to provide a bonding surface for an adhesive prior to the application of the adhesive. NR 422.02(3g)(3g) “Aerosol adhesive” means an adhesive or adhesive primer packaged as an aerosol product in which the spray mechanism is permanently housed in a non-refillable can designed for handheld application without the need for ancillary hoses or spray equipment. NR 422.02(3r)(3r) “Air assisted airless spray” means a spray coating method that combines compressed air with hydraulic pressure to atomize the coating material into finer droplets than is achieved with pure airless spray. Lower hydraulic pressure is used than with airless spray. NR 422.02(4)(4) “Air dried coating” means coatings which are dried by the use of air or forced warm air. Forced warm air includes processes whereby the coated object is heated above ambient temperature up to a maximum of 90°C (194°F) to decrease drying time. NR 422.02(4g)(4g) “Airless spray” means a spray coating method in which the coating is atomized by forcing it through a small opening at high pressure and in which the coating liquid is not mixed with air before exiting from the nozzle. NR 422.02(4r)(4r) “Antifoulant coating” means any coating applied to the underwater portion of a pleasure craft to prevent or reduce the attachment of biological organisms and that is registered with EPA as a pesticide under the Federal Insecticide, Fungicide, and Rodenticide Act. NR 422.02(5)(5) “Anti-glare safety coating” means a low gloss coating formulated to eliminate glare for safety purposes on interior surfaces of a vehicle, as specified under the U.S. department of transportation standard for reflecting surfaces in 49 CFR 571.107, as in effect on October 1, 1994. NR 422.02(6)(6) “Application area” means the area where a coating is applied by spraying, dipping or flow coating techniques. NR 422.02(7)(7) “Asphalt” means a dark-brown to black cementitious material (solid, semisolid or liquid in consistency) in which the predominating constituents are bitumens which occur in nature as such or which are obtained as residue in refining petroleum. NR 422.02(7c)(7c) “Automatic blanket and roller wash” means any cleaning solution used by the automatic blanket and roller wash cleaning systems associated with lithographic printing presses. NR 422.02(7e)(7e) “Automobile refinishing coating component” means any portion of a coating, such as a reducer or thinner, hardener, additive, etc., recommended, by its manufacturer or importer, to distributors or end-users for automobile refinishing. The raw materials used to produce the components that are mixed by the end-user to prepare a coating for application are not considered automobile refinishing coating components. NR 422.02(7m)(7m) “Automobile refinishing coating importer”, “coating component importer” or “importer” means any company, group or individual that brings automobile refinishing coatings or coating components from a location outside the United States into the United States for sale or distribution in the United States. NR 422.02(7s)(7s) “Automobile refinishing coating component manufacturer” or “manufacturer” means any company, group or individual that produces or packages automobile refinishing coatings or coating components for sale or distribution in the United States, including an entity which produces or packages such coating or coating components under a private label for another party. NR 422.02(7v)(7v) “Automotive/transportation plastic parts” means the interior and exterior plastic components of automobiles, trucks, tractors, lawnmowers and mobile equipment intended for primary use on land. NR 422.02(7y)(7y) “Baked coating” means any coating which is cured or dried in an oven where the temperature of the coated object exceeds 90oC (194oF), or any other coating which is not an air dried coating. NR 422.02(8)(a)(a) For the purpose of wood furniture coating, a coat of colored material, usually opaque, that is applied before other inks, coatings or opaque finishing materials and which usually has a topcoat subsequently applied for protection. NR 422.02(8)(b)(b) For the purpose of plastic parts coating, a coating applied after the prime coat and prior to any other coatings. NR 422.02(9)(9) “Basecoat-clear coat system” means a topcoat system composed of a pigmented coating followed by a clear coat. NR 422.02(10)(10) “Baseline transfer efficiency” means the typical transfer efficiency, as defined by the department, for a specific operation in an industry. NR 422.02(10m)(10m) “Black coating” means a coating that meets all of the following criteria: NR 422.02(10m)(b)(b) Saturation: less than 2.8, where saturation equals the square root of A2 + B2. NR 422.02 NoteNote: The criteria under this subsection are based on Cielab color space, 0/45 geometry. For spherical geometry, specular included, maximum lightness is 33 units.
NR 422.02(11)(11) “Blade coating” means the application of a coating material to a substrate by means of drawing the substrate beneath a straight-edged blade that spreads the coating evenly over the full width of the substrate. NR 422.02(12)(12) “Blanket or roller wash” means any cleaning solvent or solution used to remove excess inks, oils and debris from lithographic or letterpress printing press equipment, including rollers, plates, and cylinders. Cleaning solvent or solution used as a rubber rejuvenator or to remove excess inks, oils and debris from the outside of the press or areas immediately around the press is also considered to be blanket or roller wash. NR 422.02(12m)(12m) “Business machine plastic parts” means the plastic housings and other exterior plastic components of electronic office equipment and of medical and musical equipment, including computers, monitors, printers and keyboards, facsimile machines, copiers, microfiche readers, cellular and standard phones, and pencil sharpeners. This definition excludes internal electrical components of business machines. NR 422.02(12o)(12o) “Camouflage coating” means a coating used, principally by the military, to conceal equipment from detection. NR 422.02(12q)(12q) “Ceramic tile installation adhesive” means any adhesive intended by the manufacturer for use in the installation of ceramic tiles.
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Department of Natural Resources (NR)
Chs. NR 400-499; Environmental Protection – Air Pollution Control
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