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Energy & environment · 22/03/2022Updated: 10/16/2026 · 1 min read

EPA Approves Maryland's Plan to Meet 2015 Ozone NAAQS

Summary

The Environmental Protection Agency (EPA) has approved a state implementation plan revision submitted by the State of Maryland, covering the Philadelphia Area, to meet the 2015 ozone national ambient air quality standards (NAAQS).

Original source language: Federal Register — Environmental Protection AgencyOpen original release →

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Energy & environment · 5/29/2026

Air Plan Approval; Michigan; Determination of Attainment by the Attainment Date for the 2015 Ozone Standards

The Environmental Protection Agency (EPA) is proposing to determine that the Detroit, Michigan nonattainment area attained the 2015 ozone National Ambient Air Quality Standards by the applicable attainment date, relying on an exceptional events request submitted by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) on February 19, 2026.

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Energy & environment · 5/28/2026

Air Plan Approval; SC; Department Name Change

The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of South Carolina on July 23, 2025, to update department references following a restructuring of the South Carolina Department of Health and Environmental Control.

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