Natural radiation has been in existence from the time planet earth started to form and there are about 60 radionuclides present in nature. These are found naturally in air, water, soil, rocks, minerals and food. About 82% of this environmental radiation is from natural sources, the most important of which is radon.
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© 2009 Springer-Verlag Berlin Heidelberg
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Dissanayake, C., Chandrajith, R. (2009). High Natural Radioactivity in Some Tropical Lands – Boon or Bane?. In: Introduction to Medical Geology. Erlangen Earth Conference Series. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-00485-8_11
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DOI: https://doi.org/10.1007/978-3-642-00485-8_11
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