In this final rule, the EPA is establishing the air quality thresholds that define the classifications assigned to all nonattainment areas for the 2015 ozone national ambient air quality standards (NAAQS) (the ``2015 ozone NAAQS'') promulgated on October 1, 2015. This final rule also establishes the timing of attainment dates for each nonattainment area classification.
Document
Implementation of the 2015 National Ambient Air Quality Standards for Ozone: Nonattainment Area Classifications Approach
In this final rule, the EPA is establishing the air quality thresholds that define the classifications assigned to all nonattainment areas for the 2015 ozone national ambient ai...
Legal Citation
Federal Register Citation
Use this for formal legal and research references to the published document.
83 FR 10376
Web Citation
Suggested Web Citation
Use this when citing the archival web version of the document.
“Implementation of the 2015 National Ambient Air Quality Standards for Ozone: Nonattainment Area Classifications Approach,” thefederalregister.org (March 9, 2018), https://thefederalregister.org/documents/2018-04810/implementation-of-the-2015-national-ambient-air-quality-standards-for-ozone-nonattainment-area-classifications-approach.