SUBPART C—Secondary Aluminum Smelting Subcategory (§421.30 to §421.37)
- 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.