U. S. Steel(US:X) Yang Shi Xin Wen·2025-08-15 09:13Core Points - The Allegheny County Health Department announced enhanced air monitoring around a U.S. Steel coke plant in Pittsburgh following an explosion that resulted in 2 fatalities and at least 10 injuries [1] - Mobile air monitoring devices will be deployed to measure volatile organic compounds and sulfur dioxide in the area [1] - The explosion has reignited community concerns regarding air quality, especially given the plant's history of pollution issues [1] Company Summary - U.S. Steel operates the largest coke plant in North America, which has faced long-standing pollution problems [1] - In 2018, the plant experienced a fire that damaged pollution control equipment, leading to prolonged sulfur dioxide emissions exceeding regulatory limits [1] - The company reached a settlement last year agreeing to invest $19.5 million to upgrade equipment and pay $5 million for local air quality improvements [1] - In 2019, U.S. Steel paid $8.5 million in settlement for another air pollution lawsuit related to the same facility [1]