Subpart D. Subpart D—Primary Copper Smelting Subcategory
- § 421.40 - Applicability: Description of the primary copper smelting subcategory.
- § 421.41 - Specialized definitions.
- § 421.42 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- § 421.43 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- § 421.44 - Standards of performance for new sources.
- § 421.45 - [Reserved]
- § 421.46 - Pretreatment standards for new sources.
- § 421.47 - [Reserved]