Subpart E. Subpart E—Refractory Metals Forming Subcategory

• § 471.50 - Applicability; description of the refractory metals forming subcategory.
• § 471.51 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
• § 471.52 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
• § 471.53 - New source performance standards (NSPS).
• § 471.54 - Pretreatment standards for existing sources (PSES).
• § 471.55 - Pretreatment standards for new sources (PSNS).
• § 471.56 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]