40 CFR Subpart B
Ducks
June 9, 2020
§
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)