Allegheny County officials on Monday hit North America’s largest coke-manufacturing facility — which is also the county’s top source of air pollution — with a $1.9 million fine for uncontrolled emissions. It’s the third-largest penalty levied against U.S. Steel’s Clairton Coke Works in the past five years. The fines stem
Government regulators sided with environmental advocates, in part, when they ruled recently that a U.S. Steel plant in the Mon Valley might be violating clean-air laws under a current permit
Government regulators sided with environmental advocates, in part, when they ruled recently that a U.S. Steel plant in the Mon Valley might be violating clean-air laws under a current permit that restricts its emissions. The federal Environmental Protection Agency (EPA) delivered a split decision last month over petitions by four