40 CFR Subpart B
Construction and Development Effluent Guidelines
June 9, 2020
§
450.21
Effluent limitations reflecting the best practicable technology currently available (BPT)
§
450.22
Effluent limitations reflecting the best available technology economically achievable (BAT)
§
450.23
Effluent limitations reflecting the best conventional pollutant control technology (BCT)
§
450.24
New source performance standards reflecting the best available demonstrated control technology (NSPS)