Final rule · 2025-22562

Air Plan Approval; Ohio; Carmeuse Lime, Inc. SO2

The Environmental Protection Agency (EPA) is approving new emissions limits for the Carmeuse Lime Maple Grove, Inc. facility into the Ohio State Implementation Plan (SIP) for the National Ambient Air Quality Standard (NAAQS) for sulfur dioxide (SO<INF>2</INF>). The Ohio Environmental Protection Agency (Ohio EPA) submitted Director's Findings and Orders that establish a new emission limit for SO<INF>2</INF> emissions from two rotary lime kilns at the Carmeuse Lime Maple Grove, Inc. facility (hereafter referred to as Carmeuse Lime) in Seneca County, Ohio. EPA proposed to approve this action on August 7, 2025.