Proposed rule · 2025-14989

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

The Environmental Protection Agency (EPA) is proposing to approve the addition of Director's Final Findings and Orders (DFFOs) issued by the Ohio Environmental Protection Agency (Ohio EPA) to Carmeuse Lime, Inc. into the Ohio State Implementation Plan (SIP) for the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). The DFFOs establish a new emissions limit for SO<INF>2</INF> emissions from the combined lime kiln stack that receives and emits SO<INF>2</INF> emissions from two rotary lime kilns at the Carmeuse Lime Maple Grove Facility in Seneca County, Ohio.