Regulations last checked for updates: Jan 18, 2025

Title 40 - Protection of Environment last revised: Dec 30, 2025


SULFURIC ACID MIST FROM EXISTING SULFURIC ACID PLANTS
FLUORIDE EMISSIONS FROM PHOSPHATE FERTILIZER PLANTS
FLUORIDE EMISSIONS FROM PRIMARY ALUMINUM REDUCTION PLANTS
TOTAL REDUCED SULFUR EMISSIONS FROM KRAFT PULP MILLS
MUNICIPAL WASTE COMBUSTORS
AIR EMISSIONS FROM HOSPITAL/MEDICAL/INFECTIOUS WASTE INCINERATORS
AIR EMISSIONS FROM SMALL EXISTING MUNICIPAL WASTE COMBUSTION UNITS
AIR EMISSIONS FROM COMMERCIAL AND INDUSTRIAL SOLID WASTE INCINERATION (CISWI) UNITS (SECTION 111(D)/129 PLAN)
authority: 42 U.S.C. 7401
source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.