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Recent Updates: Federal Register Notices Published or Effective After May 31, 2025
Recent Updates: Federal Register Notices Published or Effective After May 31, 2025
Data is current as of June 18, 2025
is displayed for notices published or effective within 30 days of the report "As of" date.
Federal Register Notices not in this Green Book will be available in reports in the next Green Book.
The "FR" links below will display Federal Register Notices from the Government Publishing Office (GPO) website.
| NAAQS / Publication Date | Area Name / Action / Status / Effective Date / FRN Link |
| 8-Hour Ozone (2015) | |
| 06/03/2025 | Mariposa County, CA (CA) |
| Clean Data Determination/Attainment Determination | |
| Proposed Approval | |
| 90 FR 23501 | |
| PM-2.5 (2006) | |
| 06/03/2025 | Los Angeles-South Coast Air Basin, CA (CA) |
| Clean Data Determination/Attainment Determination | |
| Final Approval | |
| Effective: 07/03/2025 | |
| 90 FR 23443 | |
| Sulfur Dioxide (2010) | |
| 06/18/2025 | Huntington, IN (IN) |
| Failure to Attain by Attainment Date | |
| Proposed Approval | |
| 90 FR 25968 | |
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