Posted November 25, 2014
Experts believe EPA soon will issue its proposal for the five-year review of Ozone National Ambient Air Quality Standards, perhaps as early as this week. Some important points to consider as the agency prepares what could be the costliest regulation ever imposed on Americans:
First, our air is getting cleaner under the current 75 parts per billion (ppb) standards set in 2008. EPA reports that national average ozone levels have fallen 33 percent since 1980 – including 18 percent since 2000.
Jane Van Ryan
Posted February 3, 2010