35 Ill. Adm. Code 211.960
Cement Kiln
Section 211
Section 211.960 Cement Kiln
"Cement kiln" means,
for the purposes of 35 Ill. Adm. Code 217, Subpart T, a system including any
solid, gaseous or liquid fuel combustion equipment, used to preheat, calcine
and react with raw materials, including limestone and clay, to produce cement
clinker.