40 CFR § 81.409 Designation of Areas for Air Quality Planning Purposes
§ 81.409 Hawaii.
Current through Aug 22, 2025 · Read all of Part 81
⚠ 15 pending changes to Part 81
- Proposed Revisions of the Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil County, MD and New Castle County, DE; Extension of Comment PeriodProposed Rule · Environmental Protection Agency
- Air Plan Approval; Pennsylvania; Redesignation Request for the Allegheny County Area for the 2012 Annual Fine Particulate Matter StandardProposed Rule · Environmental Protection Agency
- Air Plan Approval; OR; Klamath Falls PM2.5 Redesignation to Attainment and Maintenance PlanProposed Rule · Environmental Protection Agency
- Air Plan Approval and Air Quality Designation; Ohio; Attainment Plan and Redesignation of the Canton Area to Attainment of the 2008 Lead StandardProposed Rule · Environmental Protection Agency
- Air Plan Approval; Michigan; Redesignation and Maintenance Plan for the Partial St. Clair 2010 1-Hour Sulfur Dioxide (SO2) NAAQS Nonattainment AreaProposed Rule · Environmental Protection Agency
- Air Plan Approval; Ohio; Redesignation of the Cleveland, OH Area to Attainment of the 2015 Ozone StandardsProposed Rule · Environmental Protection Agency
- Utah; Uinta Basin; 2015 8-Hour Ozone National Ambient Air Quality Standard; Reconsideration and Repeal of Finding of Failure To Attain and Reclassification to a Moderate Nonattainment Area; Extension of the Attainment Date and Determination of Attainment by the Marginal Attainment DateProposed Rule · Environmental Protection Agency
- Utah; Northern Wasatch Front; 2015 8-Hour Ozone National Ambient Air Quality Standards; Reconsideration and Repeal of Finding of Failure To Attain and Reclassification to a Serious Nonattainment Area; Determination of Attainment by the Moderate Attainment Date But for International EmissionsProposed Rule · Environmental Protection Agency
- Determination of Attainment by the Attainment Date and Clean Data Determination for the 2012 Annual Fine Particulate Standard; Plumas County, CaliforniaProposed Rule · Environmental Protection Agency
- Air Plan Approval; Michigan; Redesignation of the Berrien, MI and Muskegon, MI Areas to Attainment of the 2015 Ozone StandardsProposed Rule · Environmental Protection Agency
| Area name | Acreage | Public Law establishing | Federal land manager |
|---|---|---|---|
| Haleakala NP | 27,208 | 87-744 | USDI-NPS |
| Hawaii Volcanoes | 217,029 | 64-171 | USDI-NPS |