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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 418
Subpart C - Subpart C—Urea Subcategory
§ 418.30 - Applicability; description of the urea subcategory.
§ 418.31 - Specialized definitions.
§ 418.32 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 418.33 - Effluent limitations and guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 418.34 - [Reserved]
§ 418.35 - Standards of performance for new sources.
§ 418.36 - Pretreatment standards for new sources.
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