Part 424 — Ferroalloy Manufacturing Point Source Category
Current through Aug 22, 2025
Authority: Secs. 301, 304(b) and (c), 306(b) and (c), 307(c) of the Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251, 1311, 1314(b) and (c), 1316 (b) and (c), 1317(c); 86 Stat. 816 et seq., Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.
Source: 39 FR 6809, Feb. 22, 1974, unless otherwise noted.
Sections
- § 424.10 Applicability; description of the open electric furnaces with wet air pollution control devices subcategory.
- § 424.11 Specialized definitions.
- § 424.12 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 424.13 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 424.14 [Reserved]
- § 424.15 Standards of performance for new sources.
- § 424.16 Pretreatment standards for new sources.
- § 424.17 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
- § 424.20 Applicability; description of the covered electric furnaces and other smelting operations with wet air pollution control devices subcategory.
- § 424.21 Specialized definitions.
- § 424.22 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 424.23 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 424.24 [Reserved]
- § 424.25 Standards of performance for new sources.
- § 424.26 Pretreatment standards for new sources.
- § 424.27 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
- § 424.30 Applicability; description of the slag processing subcategory.
- § 424.31 Specialized definitions.
- § 424.32 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 424.33 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 424.34 [Reserved]
- § 424.35 Standards of performance for new sources.
- § 424.36 Pretreatment standards for new sources.
- § 424.37 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
- § 424.40 Applicability; description of the covered calcium carbide furnaces with wet air pollution control devices subcategory.
- § 424.41 Specialized definitions.
- § 424.42 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 424.43 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- §§ 424.44-424.46 [Reserved]
- § 424.47 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
- § 424.50 Applicability; description of the other calcium carbide furnaces subcategory.
- § 424.51 Specialized definitions.
- § 424.52 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 424.53 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- §§ 424.54-424.56 [Reserved]
- § 424.57 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
- § 424.60 Applicability; description of the electrolytic manganese products subcategory.
- § 424.61 Specialized definitions.
- § 424.62 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 424.63 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- §§ 424.64-424.66 [Reserved]
- § 424.67 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
- § 424.70 Applicability; description of the electrolytic chromium subcategory.
- § 424.71 Specialized definitions.
- § 424.72 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 424.73 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- §§ 424.74-424.76 [Reserved]
- § 424.77 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.