2019-10347: Air Plan Approval; NC: Revision to I/M Program & Update to Charlotte Maintenance Plan for the 2008 8-Hour Ozone NAAQS
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The Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of North Carolina through a letter dated July 25, 2018, through the North Carolina Department of Environmental Quality (DEQ), Division of Air Quality (DAQ), primarily for the purpose of revising the model year coverage for vehicles in the 22 counties subject to North Carolina's expanded inspection and maintenance (I/M) program, which was previously approved into the SIP, in part, for use as a component of the State's Nitrogen Oxides (NO<INF>X</INF>) Budget and Allowance Trading Program. The SIP revision also includes a demonstration that the requested revision to the vehicle model year coverage will not interfere with attainment or maintenance of any national ambient air quality standard (NAAQS) or with any other applicable requirement of the Clean Air Act (CAA or Act). In addition, North Carolina's July 25, 2018, SIP revision updates the State's maintenance plan and the associated motor vehicle emissions budgets (MVEBs) used for transportation conformity, for the North Carolina portion of the Charlotte-Rock Hill, NC-SC 2008 8-hour ozone nonattainment area (hereafter referred to as the "Charlotte 2008 Ozone Maintenance Area") to reflect the requested change in the vehicle model year coverage for the expanded I/M program. EPA has evaluated whether this SIP revision would interfere with the requirements of the CAA, including EPA regulations related to statewide NO<INF>X</INF> emissions budgets. EPA is proposing to determine that North Carolina's July 25, 2018, SIP revision is consistent with the applicable provisions of the CAA.
The agency’s own summary, as published.
What this changes
Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.
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