40 CFR Subpart B - Subpart B—Primary Aluminum Smelting Subcategory
- § 421.20 Applicability: description of the primary aluminum smelting subcategory.
- § 421.21 Specialized definitions.
- § 421.22 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 421.23 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 421.24 Standards of performance for new sources.
- § 421.25 [Reserved]
- § 421.26 Pretreatment standards for new sources.
- § 421.27 [Reserved]