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Jun 26, 2019

U.S. EPA Not to Impose Stricter Ozone Controls on Upwind States

The U.S. EPA determined in December 2018 that it would not impose additional pollution control requirements on power plants in 20 upwind states whose emissions allegedly cause ozone nonattainment in downwind states in the northeast. Six eastern states led by New York are suing the EPA arguing it should have required stricter controls from upwind states to stop nitrogen ozides from blowing across state lines and preventing New York, Connecticut, Delaware, Maryland, Massachusetts, and New Jersey from meeting federal air quality limits for ozone causing pollutants. The EPA has countered that additional pollution controls on the upwind states would achieve… Read more


Nov 29, 2017

EPA Fails to Designate Nonattainment Ozone Counties

Ozone Standards

On November 6, 2017, the United States Environmental Protection Agency (“EPA”) announced which counties in the United States currently meet the more stringent 2015 ozone standards, but failed to announce counties which do not meet the new standards. An estimated 15% of all counties in the U.S. do not meet the new ozone standards; however, without a formal designation by the EPA, states cannot begin to amend their state implementation plans (“SIPs”) for those counties to bring them into compliance with the 2015 standards. Depending upon the severity of the nonattainment, the designation could lead to new pollution control requirements… Read more