Ill. Admin. Code tit. 35 § 204.910

Current through Register Vol. 48, No. 49, December 6, 2024

Section 204.910 - Ambient Air Ceilings

No concentration of a pollutant shall exceed:

a) The concentration permitted under the national secondary ambient air quality standard; or

b) The concentration permitted under the national primary ambient air quality standard, whichever concentration is lowest for the pollutant for a period of exposure.

Ill. Admin. Code tit. 35, § 204.910

Added at 44 Ill. Reg. 14923, effective 9/4/2020.