Code of Federal Regulations > Title 40 > Chapter I > Part 463 > Subpart B

Regulations last checked for updates: Jan 30, 2025

Title 40 - Protection of Environment last revised: Nov 08, 2025

§ 463.20 - Applicability; description of the cleaning water subcategory.

§ 463.21 - Specialized definitions.

§ 463.22 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.

§ 463.23 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.

§ 463.24 - New source performance standards.

§ 463.25 - Pretreatment standards for existing sources.

§ 463.26 - Pretreatment for new sources.

§ 463.27 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved]

authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501, Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,c,e, 1316 (b) andc, 1317 (b) andc,1318,and; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217

source: 49 FR 49047, Dec. 17, 1984, unless otherwise noted.