Code of Federal Regulations > Title 40 > Chapter I > Part 63 - PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)

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Regulations last checked for updates: Oct 15, 2026

Title 40 - Protection of Environment last revised: Oct 13, 2026

All TitlesTitle 40Chapter IPart 63 - PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES (CONTINUED)

Subpart MMMM [§ 63.3880 - § 63.3981] - Subpart MMMM—National Emission Standards for Hazardous Air Pollutants for Surface Coating of Miscellaneous Metal Parts and Products

Subpart NNNN [§ 63.4080 - § 63.4181] - Subpart NNNN—National Emission Standards for Hazardous Air Pollutants: Surface Coating of Large Appliances

Subpart OOOO [§ 63.4280 - § 63.4371] - Subpart OOOO—National Emission Standards for Hazardous Air Pollutants: Printing, Coating, and Dyeing of Fabrics and Other Textiles

Subpart PPPP [§ 63.4480 - § 63.4581] - Subpart PPPP—National Emission Standards for Hazardous Air Pollutants for Surface Coating of Plastic Parts and Products

Subpart QQQQ [§ 63.4680 - § 63.4781] - Subpart QQQQ—National Emission Standards for Hazardous Air Pollutants: Surface Coating of Wood Building Products

Subpart RRRR [§ 63.4880 - § 63.4981] - Subpart RRRR—National Emission Standards for Hazardous Air Pollutants: Surface Coating of Metal Furniture

Subpart SSSS [§ 63.5080 - § 63.5209] - Subpart SSSS—National Emission Standards for Hazardous Air Pollutants: Surface Coating of Metal Coil

Subpart TTTT [§ 63.5280 - § 63.5460] - Subpart TTTT—National Emission Standards for Hazardous Air Pollutants for Leather Finishing Operations

Subpart UUUU [§ 63.5480 - § 63.5610] - Subpart UUUU—National Emission Standards for Hazardous Air Pollutants for Cellulose Products Manufacturing

Subpart VVVV [§ 63.5680 - § 63.5779] - Subpart VVVV—National Emission Standards for Hazardous Air Pollutants for Boat Manufacturing

Subpart WWWW [§ 63.5780 - § 63.5935] -

Subpart XXXX [§ 63.5980 - § 63.6015] - Subpart XXXX—National Emissions Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing

Subpart YYYY [§ 63.6080 - § 63.6175] - Subpart YYYY—National Emission Standards for Hazardous Air Pollutants for Stationary Combustion Turbines

authority: 42 U.S.C. 7401

source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.

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