Determination of Attainment by the Attainment Date But for International Emissions for the 2015 Ozone National Ambient Air Quality Standards; Phoenix-Mesa Nonattainment Area, Arizona

---
identifier: "/us/fr/C1-2026-05601"
source: "fr"
legal_status: "authoritative_unofficial"
title: "Determination of Attainment by the Attainment Date But for International Emissions for the 2015 Ozone National Ambient Air Quality Standards; Phoenix-Mesa Nonattainment Area, Arizona"
title_number: 0
title_name: "Federal Register"
section_number: "C1-2026-05601"
section_name: "Determination of Attainment by the Attainment Date But for International Emissions for the 2015 Ozone National Ambient Air Quality Standards; Phoenix-Mesa Nonattainment Area, Arizona"
positive_law: false
currency: "2026-04-06"
last_updated: "2026-04-06"
format_version: "1.1.0"
generator: "[email protected]"
agency: "Environmental Protection Agency"
document_number: "C1-2026-05601"
document_type: "rule"
fr_citation: "91 FR 17144"
fr_volume: 91
publication_date: "2026-04-06"
agencies:
  - "Environmental Protection Agency"
cfr_references:
  - "40 CFR Part 52"
docket_ids:
  - "EPA-R09-OAR-2025-2833"
  - "FRL-13057-02-R9"
---