Środowisko i energia · 08/05/2025

Air Plan Approval; Colorado; Serious Attainment Plan Contingency Measures for the 2008 8-Hour Ozone National Ambient Air Quality Standards for the Denver Metro/North Front Range Nonattainment Area

The Environmental Protection Agency (EPA) is proposing to approve Colorado's state implementation plan (SIP) submittals addressing contingency measures for the 2008 ozone National Ambient Air Quality Standards (NAAQS) in the Denver Metro/North Front Range nonattainment area, except for one measure.