Regulations last checked for updates: Dec 16, 2025

Title 40 - Protection of Environment last revised: Dec 08, 2025
  • § 467.42 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available. [Reserved]
  • § 467.43 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable. [Reserved]
  • § 467.47 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology. [Reserved]
source: 48 FR 49149, Oct. 24, 1983, unless otherwise noted.