Regulations last checked for updates: Feb 03, 2026

Title 40 - Protection of Environment last revised: Dec 31, 2026

FLUORIDE EMISSIONS FROM PHOSPHATE FERTILIZER PLANTS
TOTAL REDUCED SULFUR EMISSIONS FROM KRAFT PULP MILLS
FLUORIDE EMISSIONS FROM PRIMARY ALUMINUM REDUCTION PLANTS
METALS, ACID GASES, ORGANIC COMPOUNDS AND NITROGEN OXIDE EMISSIONS FROM EXISTING LARGE MUNICIPAL WASTE COMBUSTORS WITH THE CAPACITY TO COMBUST GREATER THAN 250 TONS PER DAY OF MUNICIPAL SOLID WASTE
AIR EMISSIONS FROM EXISTING COMMERCIAL AND INDUSTRIAL SOLID WASTE INCINERATOR UNITS
AIR EMISSIONS FROM EXISTING MUNICIPAL SOLID WASTE LANDFILLS, SMALL MUNICIPAL WASTE COMBUSTION UNITS, AND HOSPITAL/MEDICAL/INFECTIOUS WASTE INCINERATORS.
AIR EMISSIONS FROM OTHER SOLID WASTE INCINERATION (OSWI) UNITS CONSTRUCTED ON OR BEFORE DECEMBER 16, 2005
authority: 42 U.S.C. 7401
source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.