35 Ill. Adm. Code 244.165
Criteria for Declaring an Emergency
Section 244
Section 244.165Â Criteria for
Declaring an Emergency
The Director or his designated
representative shall declare an emergency whenever:
a)Â Â Â Â Â Â Â Â Any emergency level is equaled or exceeded or any red alert
level has been equaled or exceeded continuously for the proceding 24 hour
period at any monitoring station; and
b)Â Â Â Â Â Â Â Â A red alert has been in effect for 12 hours in the area for
which the emergency is to be declared; and
c)Â Â Â Â Â Â Â Â Atmospheric conditions, or expected contaminant emissions, are
such that concentrations can reasonably be expected to persist or increase for
12 or more hours; or
d)Â Â Â Â Â Â Â Â For ozone, atmospheric conditions, or expected contaminant emissions,
are such that concentrations can reasonably be expected to reoccur at an
emergency level on the following calendar day.