Daily eCFR

Subpart B—Extraction Products

Extraction Products

ContainsSections 439.20–439.27

CorpusDaily eCFR

Displayed edition2026-07-16

Last updated2026-07-16

Sections

439.20
§ 439.20 Applicability.
439.21
§ 439.21 Special definitions.
439.22
§ 439.22 Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).
439.23
§ 439.23 Effluent limitations attainable by the application of the best conventional pollutant control technology (BCT).
439.24
§ 439.24 Effluent limitations attainable by the application of best available technology economically achievable (BAT).
439.25
§ 439.25 New source performance standards (NSPS).
439.26
§ 439.26 Pretreatment standards for existing sources (PSES).
439.27
§ 439.27 Pretreatment standards for new sources (PSNS).