Code of Federal Regulations > Title 40 > Chapter I > Part 458 > Subpart B - Subpart B

Regulations last checked for updates: May 14, 2025

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

§ 458.20 - Applicability: description of the carbon black thermal process subcategory.

§ 458.21 - Specialized definitions.

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

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

§ 458.24 - [Reserved]

§ 458.25 - Standards of performance for new sources.

§ 458.26 - Pretreatment standards for new sources.

authority: Secs. 301, 304 (b) and (c), 306(b), 307 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251,1311,1314,1316,86. 816

source: 43 FR 1343, Jan. 9, 1978, unless otherwise noted.