Code of Federal Regulations > Title 40 > Chapter I > Part 419 > Subpart B

Regulations last checked for updates: May 14, 2025

Title 40 - Protection of Environment last revised: Apr 14, 2028

§ 419.20 - Applicability; description of the cracking subcategory.

§ 419.21 - Specialized definitions.

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

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

§ 419.24 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).

§ 419.25 - Pretreatment standards for existing sources (PSES).

§ 419.26 - Standards of performance for new sources (NSPS).

§ 419.27 - Pretreatment standards for new sources (PSNS).

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

source: 47 FR 46446, Oct. 18, 1982, unless otherwise noted.