EPA Proposes to Reclassify Denver-Metro and North Front Range as “Severe” Clean Air Act Nonattainment Area for Ozone
DENVER (April 12, 2022) — Following Clean Air Act requirements, EPA is proposing to reclassify the Denver Metro North Front Range area (DMNFR) from a “Serious” to a “Severe” nonattainment area for the 2008 National Ambient Air Quality Standard (NAAQS) for ground-level ozone,…
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