§ 421.320 Applicability: Description of the secondary uranium subcategory
§ 421.321 Specialized definitions
§ 421.322 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
§ 421.323 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
§ 421.324 Standards of performance for new sources
§ 421.326 Pretreatment standards for new sources