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Regulations last checked for updates: Feb 12, 2026
Title 40 - Protection of Environment last revised: Dec 22, 2026
All Titles
Title 40
Chapter I
Part 463
Subpart A - Subpart A—Contact Cooling and Heating Water Subcategory
§ 463.10 - Applicability; description of the contact cooling and heating water subcategory.
§ 463.11 - Specialized definitions.
§ 463.12 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.
§ 463.13 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
§ 463.14 - New source performance standards.
§ 463.15 - Pretreatment standards for existing sources.
§ 463.16 - Pretreatment standards for new sources.
§ 463.17 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology.
source:
49 FR 49047, Dec. 17, 1984, unless otherwise noted.
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