Federal Register #2026-22887

EPA Final Rule on Detroit Area Attainment of 2015 Ozone Standards

This EPA final rule addresses ozone-standard attainment in the Detroit, Michigan area. - Government agency: U.S. Environmental Protection Agency (EPA), Region 5 air program. - Action: EPA determined that the Detroit Moderate ozone nonattainment area attained the 2015 ozone National Ambient Air Quality Standards by its applicable attainment date. - Basis: EPA concurred with an exceptional-events request from the Michigan Department of Environment, Great Lakes, and Energy (EGLE), concerning ozone monitoring data affected by Canadian wildfire smoke. - Other details: The rule addresses the treatment of event-influenced monitoring data and responds to public comments. - Procurement status: This is a regulatory action, not a procurement opportunity. No products, services, quantities, part numbers, OEMs, or vendors are identified.

Description

The EPA issued a final rule determining that the Detroit, Michigan Moderate nonattainment area attained the 2015 ozone National Ambient Air Quality Standards by the applicable attainment date. The determination relies on EPA concurrence with an exceptional events request submitted by the Michigan Department of Environment, Great Lakes, and Energy. The action fulfills EPA’s obligation to determine whether the area attained the standards by August 3, 2024. The final rule is effective November 10, 2026.

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