The measure for and declaration of air pollution emergency episodes is in the Department of Environmental Quality of the State of Oregon, hereinafter referred to as DEQ or other designated regional authority as may lawfully replace DEQ. Based upon the type of declaration that is issued, the Mayor, on behalf of the City, shall take the appropriate procedure as set forth in Chapter 12.16. Once the procedure has been instituted, it shall remain in effect until terminated by the measuring and declaring authority. The air pollution emergency episodes consist of three levels designated as:
A. Air pollution condition ALERT,
B. Air pollution condition WARNING, and
C. Air pollution condition EMERGENCY.