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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 420
Subpart K - Subpart K—Alkaline Cleaning Subcategory
§ 420.110 - Applicability; description of the alkaline cleaning subcategory.
§ 420.111 - Specialized definitions.
§ 420.112 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 420.113 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 420.114 - New source performance standards (NSPS).
§ 420.115 - Pretreatment standards for existing sources (PSES).
§ 420.116 - Pretreatment standards for new sources (PSNS).
§ 420.117 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional technology (BCT).
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