Regulations last checked for updates: Feb 21, 2025

Title 40 - Protection of Environment last revised: Nov 21, 2025

FLUORIDE EMISSIONS FROM PHOSPHATE FERTILIZER PLANTS
CONTROL OF AIR EMISSIONS FROM HOSPITAL/MEDICAL/INFECTIOUS WASTE INCINERATORS
CONTROL OF AIR EMISSIONS FROM SEWAGE SLUDGE INCINERATORS
CONTROL OF AIR EMISSIONS FROM SMALL MUNICIPAL WASTE COMBUSTORS
authority: 42 U.S.C. 7401
source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.