Federal Register #2026-10280

EPA Approval of Arizona SIP Revisions for Gila County Ozone RACT Compliance

This regulatory action by the Environmental Protection Agency (EPA) concerns approval of Arizona's State Implementation Plan (SIP) revisions for ozone control in Gila County. - Government Buyer: - Environmental Protection Agency (EPA) - Arizona Department of Environmental Quality (ADEQ) submitted the SIP revisions - No OEMs or commercial vendors are involved; this is not a procurement opportunity - Products/Services Requested: - No products or services are being procured - The action pertains to regulatory compliance and negative declarations for certain source categories - Unique/Notable Requirements: - Approval of negative declarations for various control technique guidelines (CTGs) due to absence of relevant sources - Focus on Reasonably Available Control Technology (RACT) requirements for the 2015 ozone National Ambient Air Quality Standards (NAAQS) - Applies specifically to the Gila County portion of the Phoenix-Mesa ozone nonattainment area - No contract, delivery, or performance period is specified - No federal facility or delivery location is relevant, as this is a regulatory approval

Description

The Environmental Protection Agency (EPA) is taking final action to approve revisions to the Arizona state implementation plan (SIP) submitted by the Arizona Department of Environmental Quality (ADEQ). These revisions address reasonably available control technology (RACT) requirements for the 2015 ozone national ambient air quality standards (NAAQS) within the Gila County portion of the Phoenix-Mesa ozone nonattainment area. The rule is effective June 22, 2026, and the EPA found the submittal compliant with relevant Clean Air Act requirements. No public comments were received during the comment period.

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