Research finds potential radioactive threat in coal ash

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DURHAM, N.C. — Environmental scientists at Duke University published research Wednesday showing that coal ash might contain harmful levels of radioactive material.

The research could open a whole new avenue in the debate over the coal waste emitted by power plants and its potential impact on human health, said Avner Vengosh, a Duke Univeristy professor of geochemistry and water quality who co-wrote the new paper.

The new research indicates that levels of radioactivity in various forms of coal ash run up to five times higher than in normal soil and up to 10 times higher than coal in its natural form.

Read more: Greensboro News & Record

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