Subpart C—Secondary Aluminum Smelting Subcategory
- §421.30 Applicability: Description of the secondary aluminum smelting subcategory.
- §421.31 Specialized definitions.
- §421.32 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
- §421.33 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
- §421.34 Standards of performance for new sources.
- §421.35 Pretreatment standards for existing sources.
- §421.36 Pretreatment standards for new sources.
- §421.37 [Reserved]