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Ozone Designations

Error Corrections: Air Quality Designations for the 2015 Ozone National Ambient Air Quality Standards

October 4, 2018 - EPA is correcting errors in the regulatory text for the designation of certain areas for the 2015 ozone national ambient air quality standards. The EPA is correcting the errors consistent with the rulemaking record. These errors include typographical and formatting errors and the omission from the regulatory tables of several counties that were designated attainment/unclassifiable. The affected areas are located in California, Illinois, Indiana, Kentucky, Michigan, Montana, Ohio, Pennsylvania and Virginia.

A prepublication version of the Federal Register notice is available below.

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