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TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE B: AIR POLLUTION CHAPTER I: POLLUTION CONTROL BOARD SUBCHAPTER l: AIR QUALITY STANDARDS AND EPISODES PART 244 EPISODES SECTION 244.163 CRITERIA FOR DECLARING A YELLOW ALERT
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.
(Source: Amended at 16 Ill. Reg. 8191, effective May 15, 1992) |