Subpart I. Subpart I—Zirconium-Hafnium Forming Subcategory

• § 471.90 - Applicability; description of the zirconium-hafnium forming subcategory.
• § 471.91 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
• § 471.92 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
• § 471.93 - New source performance standards (NSPS).
• § 471.94 - Pretreatment standards for existing sources (PSES).
• § 471.95 - Pretreatment standards for new sources (PSNS).
• § 471.96 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT). [Reserved]