There's this SciAm article, but the title is sensationalized and highly misleading; be sure to read the whole article, including the editor's note at the end.

There's this SciAm article, but the title is sensationalized and highly misleading; be sure to read the whole article, including the editor's note at the end. > http://www.scientificamerican.com/article/coal-ash-is-more-radioactive-than-nuclear-waste/ http://www.scientificamerican.com/article/coal-ash-is-more-r...