Subpart A. Subpart A—Topping Subcategory

• § 419.10 - Applicability; description of the topping subcategory.
• § 419.11 - Specialized definitions.
• § 419.12 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
• § 419.13 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
• § 419.14 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
• § 419.15 - Pretreatment standards for existing sources (PSES).
• § 419.16 - Standards of performance for new sources (NSPS).
• § 419.17 - Pretreatment standards for new sources (PSNS).