Salton Sea Air Basin	
	Calexico-East
	Calexico-Ethel Street

South Coast Air Basin	
	Lynwood


"Sites with 8-hour average CO concentrations violating the State CO standard during 1999. Sites in each air basin are listed in descending order of their maximum 8-hour concentration.  If an air basin is not listed, CO concentrations in that air basin did not violate the State CO standard. "