Subpart B. Subpart B—Ducks

• § 412.20 - Applicability.
• § 412.21 - Special definitions.
• § 412.22 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).
• §§ 412.23-412.24 - §[Reserved]
• § 412.25 - New source performance standards (NSPS).
• § 412.26 - Pretreatment standards for new sources (PSNS).