EPA Approves Colorado's Air Quality Plan for Denver Area

Summary

The US Environmental Protection Agency (EPA) has approved the State of Colorado's request to redesignate the Denver metropolitan area's carbon monoxide nonattainment area to attainment, as well as several related revisions to the state's air quality plan. This approval follows a proposal made by the EPA in 2001, which included the approval of Colorado's maintenance plan and revisions to the state's Regulation No. 11 and Regulation No. 13.