Recent Air Quality Standard Amendment Will Further Limit Mercury Emissions at U.S. Steel Facility
U.S. Steel’s Braddock-based Edgar Thomson Works is one of 11 integrated iron and steel manufacturing facilities in the country to be subject to amendments to the National Emission Standards for Hazardous Air Pollutants (NESHAPs) that were finalized recently by the U.S. Environmental Protection Agency. These amendments didn’t just come out of the blue: Section 112 of the Clean Air Act directs the EPA to categorize sources of hazardous air pollutants (HAPs) and develop NESHAPs