Just before the holiday break, U.S. EPA announced the potential return to “nonattainment ozone status” for a number of locations in the United States, including portions of eastern and southeastern Wisconsin. After achieving...more
In an updated rule released October 1, 2015, the Environmental Protection Agency (EPA) set tighter limits on ozone – a compound regarded as a precursor to smog. In setting the new standard at 70 parts per billion (ppb) for...more
On October 1, 2015, EPA announced that the new National Ambient Air Quality Standards (NAAQS) for ozone would be 70 ppb, a 6.7% reduction of the current 75 ppb standard. On November 25, 2014, EPA had proposed to...more