EPA withdraws delay of ozone standards after states sue

08/09/2017

The Environmental Protection Agency has withdrawn a one-year hold on Obama-era standards for ground-level ozone, two days after 15 states and the District of Columbia filed suit against the delay. 

http://www.utilitydive.com/news/epa-withdraws-delay-of-ozone-standards-after-states-sue/448542/