Code of Federal Regulations > Title 40 > Chapter I > Part 60 > Subpart Cb > Appendix - Table 1 to Subpart Cb of Part 60—Nitrogen Oxides Guidelines for Designated Facilities

Regulations last checked for updates: Mar 09, 2025

Title 40 - Protection of Environment last revised: Nov 09, 2025

Appendix - Table 1 to Subpart Cb of Part 60—Nitrogen Oxides Guidelines for Designated Facilities

Municipal waste combustor technology	Before April 28, 2009, nitrogen oxides emission limit (parts per million by volume) ^a	On and after April 28, 2009, nitrogen oxides emission limit (parts per million by volume) ^a
Mass burn waterwall	205	205.
Mass burn rotary waterwall	250	210.
Refuse-derived fuel combustor	250	250.
Fluidized bed combustor	180	180.
Mass burn refractory combustors	No limit	No limit.

^a Corrected to 7 percent oxygen, dry basis.

[71 FR 27334, May 10, 2006]

authority: 42 U.S.C. 7401

source: 36 FR 24877, Dec. 23, 1971, unless otherwise noted.