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Federal Register #EPA-R09-OAR-2025-2833

EPA Rule: Determination of Attainment for 2015 Ozone NAAQS in Phoenix-Mesa, Arizona

Posted

April 06, 2026

Identifier

EPA-R09-OAR-2025-2833

This notice announces a regulatory action by the Environmental Protection Agency (EPA) regarding air quality standards in Arizona: - The EPA has issued a rule determining the attainment status of the 2015 ozone National Ambient Air Quality Standards (NAAQS) for the Phoenix-Mesa Nonattainment Area - The rule evaluates the impact of international emissions on local air quality compliance - No products, services, or procurement actions are requested in this notice - No Original Equipment Manufacturers (OEMs) or vendors are mentioned - This action is part of federal regulatory efforts under 40 CFR Part 52 to enforce air quality standards in Arizona - There are no unique procurement requirements, line items, or bid schedules associated with this notice

Description

This rule by the Environmental Protection Agency addresses the determination of attainment of the 2015 ozone National Ambient Air Quality Standards (NAAQS) in the Phoenix-Mesa Nonattainment Area, Arizona. It considers the impact of international emissions on the area's air quality status. The rule is part of federal efforts to enforce and comply with air quality standards in Arizona.

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