Subpart B. Subpart B—Cracking Subcategory

• § 419.20 - Applicability; description of the cracking subcategory.
• § 419.21 - Specialized definitions.
• § 419.22 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
• § 419.23 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
• § 419.24 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
• § 419.25 - Pretreatment standards for existing sources (PSES).
• § 419.26 - Standards of performance for new sources (NSPS).
• § 419.27 - Pretreatment standards for new sources (PSNS).