The EPA plans to provide a clearer explanation for why it wants to keep a secondary ozone standard to protect vegetation in response to a recent court ruling, an agency official said Dec. 4.
“We got some explicit text that tries to get at the shortcomings highlighted in the court decision,” said Scott Jenkins, a health scientist with the Office of Air Quality Planning and Standards at the Environmental Protection Agency.
The EPA set a 70 parts per billion standard as the primary and secondary standard for ozone in 2015. But the U.S. Court of ...