The Environmental Protection Agency (EPA) is taking final action to approve revisions, under the Clean Air Act (CAA or "Act"), to portions of the California State Implementation Plan (SIP) regarding emissions statements (ES) requirements for the 2015 ozone national ambient air quality standards (NAAQS). In addition, we are approving that the following California nonattainment areas meet the ES requirements for the 2015 ozone NAAQS: Tuscan Buttes, Kern County (Eastern Kern), and San Diego County.
| Document Number | 2025-04036 |
| FR Citation | 90 FR 12459 |
| Type | Final Rule |
| Published | Mar 18, 2025 |
| Effective Date | Apr 17, 2025 |
| RIN | - |
| Docket ID | EPA-R09-OAR-2023-0625 |
| Pages | 12459–12461 (3 pages) |
| Text Fetched | No |
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| Type | Proposed | Final | Method | Conf |
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| Doc # | Type | Title | Published |
|---|---|---|---|
| 2024-15045 | Proposed Rule | Air Plan Revisions; California; Eastern ... | Jul 12, 2024 |
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