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]