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).