[ RadSafe ] Some Chinese coal ash too radioactive for reuse

[ROY HERREN]

http://pubs.acs.org/doi/10.1021/acs.est.7b03473

Naturally Occurring Radioactive Materials in Uranium-Rich Coals and Associated Coal Combustion Residues from China

  If the coal ash is so highly contaminated with uranium then what about the radon daughter products that are continuously going up and out of the power plants smoke stacks?