Regulations last checked for updates: Apr 23, 2025

Title 40 - Protection of Environment last revised: Nov 23, 2025

WHAT THIS SUBPART COVERS
EMISSION LIMITS, OPERATING LIMITS AND WORK PRACTICE STANDARDS
GENERAL COMPLIANCE REQUIREMENTS

NOTIFICATIONS, REPORTS AND RECORDS
DEFINITIONS
  • §§ 63.12006-63.12099 - §[Reserved]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.