Ill. Admin. Code tit. 35 § 212.421
Current through Register Vol. 48, No. 25, June 21, 2024
No person shall cause or allow the emission of smoke or other particulate matter from any portland cement process for which construction or modification commenced on or after April 14, 1972, into the atmosphere having an opacity greater than 10 percent.
Ill. Admin. Code tit. 35, § 212.421
Amended at 20 Ill. Reg. 7605, effective May 22, 1996