Regulations last checked for updates: Feb 03, 2026

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

PLAN FOR THE CONTROL OF DESIGNATED POLLUTANTS FROM EXISTING FACILITIES (SECTION 111(D) PLAN)
METALS, ACID GASES, ORGANIC COMPOUNDS AND NITROGEN OXIDES FROM EXISTING LARGE AND SMALL MUNICIPAL WASTE COMBUSTORS
FLUORIDE EMISSIONS FROM PHOSPHATE FERTILIZER PLANTS
SULFURIC ACID MIST EMISSIONS FROM SULFURIC ACID PRODUCTION UNITS
TOTAL REDUCED SULFUR EMISSIONS FROM EXISTING KRAFT PULP MILLS
FLUORIDE EMISSIONS FROM EXISTING PRIMARY ALUMINUM PLANTS
AIR EMISSIONS FROM EXISTING HOSPITAL/MEDICAL/INFECTIOUS WASTE INCINERATION UNITS
AIR EMISSIONS FROM EXISTING COMMERCIAL AND INDUSTRIAL SOLID WASTE INCINERATION UNITS
authority: 42 U.S.C. 7401
source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.