35 Ill. Adm. Code 212.422
Portland Cement Manufacturing Processes
Section 212
Section 212.422 Portland
Cement Manufacturing Processes
Section 212.321 of this Part
shall not apply to the kilns and coolers of portland cement manufacturing
processes.
a) The kilns and clinker coolers of portland cement manufacturing
processes for which construction or modification commenced prior to April 14,
1972, shall comply with the emission standards and limitations of Section
212.322 of this Part.
b) The kilns and clinker coolers of portland cement manufacturing
processes for which construction or modification commenced on or after April
14, 1972, shall comply with the following emission standards and limitations:
1) No person shall cause or allow the emission of particulate
matter into the atmosphere from any such kiln to exceed 0.3 lbs/T of feed to
the kiln.
2) No person shall cause or allow the emission of particulate
matter into the atmosphere from any such clinker cooler to exceed 0.1 lbs/T of
feed to the kiln.