Category Archives: Uncategorized

Harsco Metals

The Harsco Metals plant in Natrona is the sixth-most toxic air polluter in Allegheny County. There are at least 33,600 residents within three miles of this scrap metal and slag reprocessing facility. In March 2017, the Allegheny County Health Department … Continue reading

TMS International

The TMS International facility in Braddock is the ninth-most toxic active air polluter in Allegheny County (excludes Koppers Inc., which has closed, and reflects changes in TRI reporting by several facilities that changed their ranks since the original publication of … Continue reading

McConway & Torley Foundry

The 150-year-old McConway & Torley steel foundry is the eighth-most toxic active air polluter in Allegheny County (excludes Koppers Inc., which has closed, and reflects changes in TRI reporting by several facilities that changed their ranks since the original publication … Continue reading

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USS-Edgar Thomson Plant

U.S. Steel’s Edgar Thomson Plant is the tenth-most toxic air polluter in Allegheny County. There are 89,114 people within three miles of the plant. Six schools are within one and a quarter mile of the plant, including Fairless Elementary School, … Continue reading

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ATI Powder Metals

ATI Powder Metals in Oakdale is the fourth-most toxic air polluter in Allegheny County. Allegheny Technologies Inc. owns both this facility and the Flat Rolled Products (Allegheny Ludlum) plant, which is the second-most toxic air polluter in the county. There … Continue reading

ATI Flat Rolled Products

The ATI Flat Rolled Products facility in Brackenridge, also known as Allegheny Ludlum, is the second-most toxic air polluter in Allegheny County. Approximately 19,000 people live within three miles of this steel plant. Despite the fact that the Allegheny County … Continue reading

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USS-Clairton Plant

U.S. Steel’s Clairton Plant, also known as the Clairton Coke Works, is the third-most toxic air polluter in Allegheny County. There are roughly 36,900 people within just three miles of this facility. The Clean Air Act permit for the plant … Continue reading

Cheswick Power Plant

The coal-fired Cheswick Power Plant in Springdale ranks #1 for toxic emissions in Allegheny County. More than 33,600 people live within just three miles of this facility. In 2016, Cheswick was the largest emitter of nitrogen oxides and sulfur dioxide … Continue reading

Pressure Chemical Company

Pressure Chemical Company is the seventh-most toxic active air polluter in Allegheny County (excludes Koppers Inc., which has closed, and reflects changes in TRI reporting by several facilities that changed their ranks since the original publication of this map). There … Continue reading

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