§ 418.50 Applicability; description of the nitric acid subcategory
§ 418.51 Specialized definitions
§ 418.52 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
§ 418.53 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
§ 418.55 Standards of performance for new sources
§ 418.56 Pretreatment standards for new sources