# 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
> **Rule** · Final rule. · Published 2005-06-01 · Effective 2005-07-01 · 70 FR 31353
## Document
- **Document number:** 05-10851
- **Category:** air-emissions
- **Federal Register citation:** 70 FR 31353
- **CFR reference:** 40 CFR 81
- **Publication date:** 2005-06-01
- **Effective date:** 2005-07-01
- **EPA docket:** NV-FDA-129
## Abstract

EPA is finding that the Las Vegas Valley nonattainment area in the State of Nevada has attained the National Ambient Air Quality Standard for carbon monoxide by the applicable December 31, 2000 attainment date. EPA is taking this action pursuant to its obligations under the Clean Air Act to determine whether nonattainment areas have attained the applicable standard by the applicable attainment date. As a consequence of this finding, we find that certain statutory requirements no longer apply to this area and that the State of Nevada will not be subject to the additional statutory requirements for carbon monoxide that would otherwise have applied.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2005/06/01/05-10851/determination-of-attainment-by-the-applicable-attainment-date-for-the-carbon-monoxide-national)
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