35 Ill. Adm. Code 217.224
Emissions Limitations
Section 217.224 Emissions Limitations
a) On
and after January 1, 2015, no person shall cause or allow emissions of NO
x
into the atmosphere from any cement kiln 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.
Emission Unit Type
NO
x
Emissions Limitation (lb/ton clinker produced)
Before
July 1, 2025
Long dry kiln
5.1
Short dry kiln
5.1
Preheater kiln
3.8
Preheater/precalciner kiln
2.8
Emission Unit Type
NO
x
Emissions Limitation (lb/ton clinker produced)
On and after July 1, 2025
Long dry kiln
3.0
Short dry kiln
2.3
Preheater kiln
3.8
Preheater/precalciner kiln
2.8
b) On
and after January 1, 2015, no person shall cause or allow emissions of NO
x
into the atmosphere from any lime kiln 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/ton lime produced)
Gas
Rotary kiln
2.2
Coal
Rotary kiln
2.5