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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 B - Subpart B—Sintering Subcategory
§ 420.20 - Applicability; description of the sintering subcategory.
§ 420.21 - Specialized definitions.
§ 420.22 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 420.23 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 420.24 - New source performance standards (NSPS).
§ 420.25 - Pretreatment standards for existing sources (PSES).
§ 420.26 - Pretreatment standards for new sources (PSNS).
§ 420.27 - [Reserved]
§ 420.28 - Pretreatment standards compliance dates.
§ 420.29 - Point of compliance monitoring.
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