Ill. Admin. Code tit. 35 § 244.163

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

Section 244.163 - Criteria for Declaring a Yellow Alert

The Director or his/her designated representative shall declare a yellow alert whenever:

a) Any yellow alert level is equaled or exceeded at any monitoring station; and

b) An air pollution advisory has been in effect for 4 hours in the area for which the yellow alert is to be declared; and

c) Atmospheric conditions, or expected contaminant emissions, are such that concentrations can reasonably be expected to remain at or above the yellow alert level for 12 or more hours; or

d) For ozone, atmospheric conditions, or expected contaminant emissions, are such that concentrations can reasonably be expected to reoccur at a yellow alert level on the following calendar day.

Ill. Admin. Code tit. 35, § 244.163

Amended at 16 Ill. Reg. 8191, effective May 15, 1992