StacksVerified U.S. regulatory reference

40 CFR Part 62, Table 2

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
Municipal waste combustor technologyNitrogen oxides emission limit (parts per million by volume) a
Mass burn waterwall205
Mass burn rotary waterwall250
Refuse-derived fuel combustor250
Fluidized bed combustor180
Mass burn refractory combustorsNo limit.

a Corrected to 7 percent oxygen, dry basis.