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Regulations last checked for updates: Jun 19, 2026
Title 40 - Protection of Environment last revised: Aug 19, 2026
All Titles
Title 40
Chapter I
Part 434
Subpart D - Subpart D—Alkaline Mine Drainage
§ 434.40 - Applicability; description of the alkaline mine drainage subcategory.
§ 434.41 - [Reserved]
§ 434.42 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 434.43 - Effluent limitations guidelines representing the degree of effluent reduction attainable by application of the best available technology economically achievable (BAT).
§ 434.44 -
§ 434.45 - New source performance standards (NSPS).
authority:
33 U.S.C. 1311
1314(b), (c), (e), and (g), 1316(b) and (c), 1317(b) and (c), and 1361
source:
50 FR 41305, Oct. 9, 1985, unless otherwise noted.
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