Coal emissions can concentrate radioactivity
By Claire Moore | June 6, 2019
When coal burns at power plants, it produces residual waste, or coal ash, including a fine silicon powder called fly ash. A 2015 Duke University-led study found radioactive contaminants, such as byproducts of uranium and thorium, can be highly concentrated in this ash.
Radioactive particles were detected in groundwater surrounding Muskingum River Power Plant in Beverly, Ohio. The American Electric Power plant closed in May 2015 after a plan to switch plant operations to natural gas fell through. Rising costs and the passing of environmental regulations were listed as the cause of the closure.
A 2019 report from the Environmental Integrity Project found radium, a radioactive element found in coal, had contaminated groundwater above safe levels at four of the ten monitored coal plants in Ohio. A total of 48 sites across the country had radium-contaminated groundwater.
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