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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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Title 40
Chapter I
Part 420
Subpart C - Subpart C—Ironmaking Subcategory
§ 420.30 - Applicability; description of the ironmaking subcategory.
§ 420.31 - Specialized definitions.
§ 420.32 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 420.33 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 420.34 - New source performance standards (NSPS).
§ 420.35 - Pretreatment standards for existing sources (PSES).
§ 420.36 - Pretreatment standards for new sources (PSNS).
§ 420.37 - [Reserved]
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