Radionuclides (222Rn, 226Ra, 234U, and 238U) Release in ...
May 17, 2017 · Human activities, such as coal mining, can affect the water composition, favoring the transport of elements and compounds to natural waters and modifying its quality. One of the concerns regarding water pollution in coal mining areas is that fossil fuels may contain natural levels of toxic and radioactive elements (UNSCEAR 2010 ).