EPA Fights Smog

Back in 2008, the EPA went against the advice of its Clean Air Scientific Advisory Committee and set the limit for ground-level ozone at 75ppb. Today, the agency has announced it will set the primary standard at between 60 and 70 ppb measured over eight Read More...

Read the complete post at http://thepumphandle.wordpress.com/2010/01/07/epa-fights-smog/


Posted Jan 07 2010, 02:36 PM by The Pump Handle