Criteria for Declaring a Red Alert

Section 244 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.