Regulations last checked for updates: Mar 28, 2026

Title 40 - Protection of Environment last revised: Dec 15, 2026

FLUORIDE EMISSIONS FROM PHOSPHATE FERTILIZER PLANTS
PLANS FOR THE CONTROL OF DESIGNATED POLLUTANTS FROM EXISTING FACILITIES (SECTION 111(D) PLAN)
METALS, ACID GASES, ORGANIC COMPOUNDS AND NITROGEN OXIDE EMISSIONS FROM EXISTING MUNICIPAL WASTE COMBUSTORS WITH THE CAPACITY TO COMBUST GREATER THAN 250 TONS PER DAY OF MUNICIPAL SOLID WASTE
EMISSIONS FROM HOSPITAL, MEDICAL, AND INFECTIOUS WASTE INCINERATORS (HMIWI)—SECTION 111(D)/129 FEDERAL PLAN DELEGATIONS
EMISSIONS FROM EXISTING COMMERCIAL INDUSTRIAL SOLID WASTE INCINERATORS (CISWI) UNITS—SECTION 111(D)/129 FEDERAL PLAN DELEGATIONS
EMISSIONS FROM EXISTING SMALL MUNICIPAL WASTE COMBUSTION UNITS—SECTION 111(D)/129 FEDERAL PLAN DELEGATIONS
EMISSIONS FROM EXISTING SEWAGE SLUDGE INCINERATION UNITS—SECTION 111(D)/129 FEDERAL PLAN DELEGATIONS
authority: 42 U.S.C. 7401
source: 43 FR 51393, Nov. 3, 1978, unless otherwise noted.