§ 440.50 Applicability; description of the titanium ore subcategory
§ 440.52 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT)
§ 440.53 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT)
§ 440.54 New source performance standards (NSPS)