Causes www.post-gazette.com County fines U.S. Steel more than $360K for violations at Clairton plant The Allegheny County Health Department on Wednesday fined U.S. Steel $361,400 for over 300 air pollution and permit violations at the Clairton Coke Works dating back to October.
Causesupload.wikimedia.org DEP reaches agreement with Range Resources over Washington County air violations Emissions from two Pennsylvania well pads qualified as 'major source' from 2013 to 2015.