Subpart AP. Subpart AP—Hydrogen Cyanide Production Subcategory

• § 415.420 - Applicability; description of the hydrogen cyanide production subcategory.
• § 415.421 - Specialized definitions.
• § 415.422 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
• § 415.423 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
• § 415.424 - [Reserved]
• § 415.425 - New source performance standards (NSPS).
• § 415.426 - Pretreatment standards for new sources (PSNS).
• § 415.427 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).