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Regulations last checked for updates: Jun 17, 2025
Title 40 - Protection of Environment last revised: Nov 17, 2025
All Titles
Title 40
Chapter I
Part 418
Subpart B - Subpart B—Ammonia Subcategory
§ 418.20 -
§ 418.21 - Specialized definitions.
§ 418.22 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 418.23 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 418.24 - [Reserved]
§ 418.25 - Standards of performance for new sources.
§ 418.26 - Pretreatment standards for new sources.
§ 418.27 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
authority:
33 U.S.C. 1251
source:
39 FR 12836, April 8, 1974, unless otherwise noted.
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