Nonattainment area definition

Nonattainment area means an area so designated by the administrator, acting pursuant to Section 107 of the Act.
Nonattainment area means a geographic area designated by EPA in 40 CFR Part 81 as exceeding a National Ambient Air Quality Standard (NAAQS) for a given criteria air pollutant. An area is nonattainment only for the pollutants for which the area has been designated nonattainment.
Nonattainment area means an area designated by the Environmental Protection Agency as nonattainment under Section 107, Clean Air Act for any National Ambient Air Quality Standard. The designations for Utah are listed in 40 CFR 81.345.

Examples of Nonattainment area in a sentence

  • A map of the Denver Metropolitan Ozone Non-attainment area can be found on the following website: http://www.colorado.gov/airquality/ss_map_wm.aspx.

  • Conformity is determined for the RTP and TIP as well as for portions of the Upper Front Range Transportation Plan and Statewide Transportation Improvement Program (STIP) within the Northern Subarea of the Ozone Nonattainment area.

  • The Denver-North Front Range Nonattainment area failed to attain the NAAQS based on the three-year average of ozone data from 2012 to 2014.

  • The DM/NFR NAA failed to attain the NAAQS based on the three-year average of ozone data from 2012 to 2014 and on May 4, 2016, EPA reclassified the area from Marginal to Moderate, extending the attainment year to 2017.12 Due to the reclassification, the State of Colorado developed the Moderate Area Ozone SIP to demonstrate how the area will comply with the federal CAA for the 2008 ozone NAAQS and set new MVEBs for each subarea of the Nonattainment area.

  • The same nine-county DM/NFR NAA under the 1997 standard was designated as Marginal Nonattainment by the EPA under the 2008 standard on May 21, 2012.11 As a Marginal Nonattainment area, the deadline to attain the 2008 ozone NAAQS was by the end of the 2014 ozone season and a new SIP was not required.


More Definitions of Nonattainment area

Nonattainment area means, for any air contaminant, an area which is shown by monitored data or which is calculated by air quality modeling (or other methods determined by the Secretary to be reliable) to exceed any applicable ambient air quality standard for such contaminant. "Attainment Area" means all other areas, except those areas for which there is not sufficient data to allow classification ("unclassified areas").
Nonattainment area means any geographic region of the United States that has been designated as “nonattainment” under Section 107 of the Act for any pollutant for which a National Ambient Air Quality Standard exists.
Nonattainment area means any area which is shown by air quality monitoring data or, where such data are not available, which is calculated by air quality modeling (or other methods determined by the board to be reliable) to exceed the levels allowed by the ambient air quality standard for a given pollutant including, but not limited to, areas designated as such in 9VAC5-20-204.
Nonattainment area means an area identified in 40 CFR 81.334 as nonattainment.
Nonattainment area means an area designated in 40 CFR 81.334 as nonattainment.
Nonattainment area means any geographic region of the United States which has been designated as nonattainment under §107 of the CAA for any pollutant for which a national ambient air quality standard exists.
Nonattainment area means any area of the State: