Ill. Admin. Code tit. 35 § 244.164

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

Section 244.164 - Criteria for Declaring a Red Alert

The Director or his designated representative shall declare a red alert whenever:

a) Any red alert level is equaled or exceeded or any yellow alert level has been equaled or exceeded continuously for the proceding 24 hour period at any monitoring station; and

b) A yellow alert has been in effect for 4 hours in the area for which the red alert is to be declared; and

c) Atmospheric conditions, or expected contaminant emissions, are such that concentrations can reasonably be expected to persist for 12 or more hours; or

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

Ill. Admin. Code tit. 35, § 244.164