Federal Register #2026-06397

EPA Approves Ohio Muskingum River SO₂ Attainment Redesignation and SIP Update

This regulatory action by the Environmental Protection Agency (EPA) addresses air quality standards in Ohio's Muskingum River area: - Government Buyer: - Environmental Protection Agency (EPA) - OEMs and Vendors: - Globe Metallurgical, Inc. (facility subject to enforceable requirements) - Products/Services Requested: - No products or services are being procured; this is a regulatory approval and SIP (State Implementation Plan) update - Unique or Notable Requirements: - Redesignation of Muskingum River area (Center Township, Morgan County and Waterford Township, Washington County, Ohio) to attainment for 2010 SO₂ NAAQS - Incorporation of Ohio's maintenance plan and Director's Final Findings and Orders (DFFOs) for Globe Metallurgical, Inc. into the SIP - Permanent and enforceable SO₂ emission reductions at Globe Metallurgical, Inc. - Ongoing emissions monitoring and reporting - Area is relieved from Nonattainment New Source Review (NSR) permitting; subject to Prevention of Significant Deterioration (PSD) permitting instead

Description

The Environmental Protection Agency (EPA) has approved Ohio's request to redesignate the Muskingum River area from nonattainment to attainment for the 2010 sulfur dioxide (SO2) National Ambient Air Quality Standard (NAAQS). This action is based on Ohio's demonstration that the area meets the statutory requirements under the Clean Air Act, including a maintenance plan and enforceable emission limits for Globe Metallurgical, Inc. The rule is effective April 2, 2026, and incorporates Ohio's maintenance plan and final findings into the federally enforceable State Implementation Plan (SIP).

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