Regulations last checked for updates: Dec 19, 2025

Title 40 - Protection of Environment last revised: Nov 19, 2028

APPLICABILITY AND COMPLIANCE DATES
POLLUTION PREVENTION MANAGEMENT PRACTICES FOR NEW AND EXISTING AFFECTED SOURCES
REQUIREMENTS FOR NEW AND EXISTING AFFECTED SOURCES CLASSIFIED AS SMALL FOUNDRIES
REQUIREMENTS FOR NEW AND EXISTING AFFECTED SOURCES CLASSIFIED AS LARGE IRON AND STEEL FOUNDRIES
OTHER REQUIREMENTS AND INFORMATION
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.