Approval and Promulgation of State Implementation Plans; North Dakota; Revisions to Infrastructure Requirements for All National Ambient Air Quality Standards; Carbon Monoxide (CO); Lead (Pb); Nitrogen Dioxide (NO2); Ozone (O3); Particle Pollution (PM2.5, PM10); Sulfur Dioxide (SO2); Recodification

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The Environmental Protection Agency (EPA) is proposing to approve revisions to the North Dakota State Implementation Plan (SIP) for all National Ambient Air Quality Standards (NAAQS) for the purposes of transferring authority from the North Dakota Department of Health (NDDH) to the North Dakota Department of Environmental Quality (NDDEQ). We are also proposing to approve the related recodification of the portions of North Dakota's Air Pollution Rules that have been previously approved into the SIP. The EPA is taking this action pursuant to section 110 of the Clean Air Act (CAA).