Colorado: Air
September 2010
Volume
40
Issue
26
The Department of Public Health and Environment amended 5 Colo. Code Regs. §1001-13, pertaining to the motor vehicle emissions inspection program. Changes add nitrogen oxides tailpipe emission limits to the selection criteria used in the Clean Screen Program. Rules take effect September 30, 2010. http://www.sos.state.co.us/CCR/RegisterContents.do?publicationDay=09/10/2010&Volume=33&yearPublishNumber=18&Month=9&Year=2010#21.