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Regulations last checked for updates: May 23, 2025

Title 40 - Protection of Environment last revised: Apr 23, 2028
All TitlesTitle 40Chapter IPart 420Subpart E - Subpart E—Vacuum Degassing Subcategory
  • § 420.50 - Applicability; description of the vacuum degassing subcategory.
  • § 420.51 - [Reserved]
  • § 420.52 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT).
  • § 420.53 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
  • § 420.54 - New source performance standards (NSPS).
  • § 420.55 - Pretreatment standards for existing sources (PSES).
  • § 420.56 - Pretreatment standards for new sources (PSNS).
  • § 420.57 - [Reserved]
authority: 33 U.S.C. 1311,1314,1316,1317,1318,1342,and
source: 47 FR 23284, May 27, 1982, unless otherwise noted.
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