Group threatens suit against ArcelorMittal
ArcelorMittal's coke plant in Monessen has racked up at least 200 federal Clean Air Act violations since it resumed operations last year, an environmental group said Tuesday.
As a first step toward suing the company, PennEnvironment sent it a 60-day warning letter required by federal law, said David Masur, the group's executive director. The letter gives the company a chance to fix the problems before the group files a federal lawsuit.
The violations are the result of resident comp...