Emissions Limitations

Section 217.344  Emissions Limitations On and after January 1, 2015, no person shall cause or allow emissions of NO x into the atmosphere from any fossil fuel-fired stationary boiler to exceed the following limitations.  Until July 1, 2025, compliance must be demonstrated with the applicable emissions limitation on an ozone season and annual basis.  On and after July 1, 2025, compliance must be demonstrated with the applicable emissions limitation on a 30-day rolling average basis. Fuel Emission Unit Type NO x Emissions Limitation (lb/mmBtu) Solid Boiler 0.12 Natural gas Boiler 0.06 Liquid Boiler that commenced operation before January 1, 2008 0.10 Boiler that commenced operation on or after January 1, 2008 0.08