The Director or his/her designated representative shall terminate any advisory, alert or emergency stage when the applicable level specified in Section 244.161 no longer prevails and when in his/her judgment atmospheric conditions and expected contaminant emissions are such as to warrant discontinuance or lowering of that advisory, alert or emergency stage.
Ill. Admin. Code tit. 35, § 244.166
Amended at 16 Ill. Reg. 8191, effective May 15, 1992