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Day 21
Note: EPA no longer updates this information, but it may be useful as a reference or resource.
- Determination of Attainment for the Ozone and Carbon Monoxide National Ambient Air Quality Standards in Washoe County, NV
- Determination of Attainment by the Applicable Attainment Date for the Carbon Monoxide National Ambient Air Quality Standard Within the Las Vegas Valley Nonattainment Area, Clark County, NV; Determination Regarding Applicability of Certain Clean Air Act Requirements
AIR TEXT Files - [ZIP 21kb] - Determination of Attainment by the Applicable Attainment Date for the Carbon Monoxide National Ambient Air Quality Standard Within the Las Vegas Valley Nonattainment Area, Clark County, NV; Determination Regarding Applicability of Certain Clean Air Act Requirements