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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 419
Subpart E - Subpart E—Integrated Subcategory
§ 419.50 - Applicability; description of the integrated subcategory.
§ 419.51 - Specialized definitions.
§ 419.52 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
§ 419.53 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
§ 419.54 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
§ 419.55 - Pretreatment standards for existing sources (PSES).
§ 419.56 - Standards of performance for new sources (NSPS).
§ 419.57 - Pretreatment standards for new sources (PSNS).
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