Pennsylvania: Air

July 2010

Volume

40

Issue

19

The Environmental Quality Board amended Pa. Code Chs. 121 and 129, relating to glass furnaces. New laws require glass-producing facilities to reduce nitrogen oxide emissions to reduce ambient ozone concentrations. The rules took effect June 19, 2010. http://www.pabulletin.com/secure/data/vol40/40-25/1114.html.