EPA Ozone Nonattainment 'Classifications' Rule Uses Obama-Era Methods

EPA has issued a final rule for how to classify areas of the country in various levels of not attaining the 2015 ozone national ambient air quality standard (NAAQS), adopting Obama-era methods used for compliance with the prior 2008 ozone standard and abandoning a never-published Trump administration classifications proposal. The final rule , released March 1 ahead of its publication in the Federal Register , uses the Obama EPA's “percent above the standard” (PATS) method that places areas in escalating...