government’s struggle against its own revised National Emission Standards for Hazardous Air Pollutants for coke Quick background: The EPA promulgated the Revised Coke Oven NESHAPs in 2024.  ; and imposed new limits on leaking coke oven doors, lids, and offtake piping. Steel and Cleveland Cliffs (the operators of the Clairton Coke Works and Monessen Coke Works, respectively ) asked for compliance extensions from the deadlines imposed by the Revised Coke Oven NESHAPs.  

The Aug. 11, 2025 explosion at the Clairton Coke Works killed two, injured a dozen more, and rocked an stationed in Reversing Rooms and a break room located just 10 to 20 feet directly above high-pressure coke Despite the inherent volatility of coke oven gas—a mixture that is both toxic and highly flammable—these stationed in the reversing rooms and breakroom located 10-20 feet directly above the high-pressure coke to understand or evaluate the hazards of working on a valve containing live, pressurized, flammable coke

Steel’s Clairton Coke Works facility Monday evening that knocked out pollution control equipment that removes dangerous chemicals like H2S and ammonia from coke oven gas. That means that only partially cleaned coke oven gas spewed from the facility for eight hours. Control Room 5 was also one of three at the Clairton Coke Works that experienced an outage during the breakdown report, but did not note whether it was received within the one-hour window required by Clairton Coke

implementation of the revised National Emission Standards for Hazardous Air Pollutants (NESHAPs) for coke EPA now says that the data that it received from the coke industry regarding its rates of compliance

Health Department (ACHD) will hold a public meeting to discuss the operations and emissions of Shenango Coke The Coke Works are responsible for a sizable portion of air pollution in downwind communities, where

The Group Against Smog and Pollution (GASP) has submitted comments on Cleveland Cliffs’ Monessen Coke The facility is a conventional coke plant producing coke and related carbon by-products and is located The Monessen Coke Works facility includes two coke batteries, by-products recovery process plant, boiler

Yesterday, EPA announced that it also plans to delay full implementation of the revised NESHAPs for Coke Ovens and Coke Oven Batteries, which will impact both U.S. Steel’s Clairton Coke Works and Cleveland Cliffs’ Monessen Coke Works.   the following delays to these rules that will apply at Clairton and Monessen: The requirement that coke and battery stacks will be delayed from January 6, 2026 to July 5, 2027; and New limits on leaking coke

Steel Clairton Coke Works plant. Steel Clairton Coke Works. Steel Clairton Coke Works plant. Steel Clairton Coke Works. Steel Clairton Coke Works | 90.5 WESA

stipulated penalties in the amount of $238,675 for air quality violations that occurred at the Clairton Coke enforcement docket, reflected penalties assessed for air quality violations that occurred at Clairton Coke

Steel for air quality violations that occurred at its Clairton Coke Works facility.