<p>Uranium from ores mined at the three mines - Jaduguda, Bhatin and Narwapahar (Jharkhand) - is processed in the mill and the waste emerges as tailings. The recorded radioactivity level in these tailings is very low, but to avoid any long-term effect of these tailings on the atmosphere, humans, cattle as well as native flora and fauna, the tailings are covered with 30 cm layer of soil.</p>
<p><strong><a href="http://www.currentscience.ac.in/Downloads/article_id_099_04_0507_0513_0.pdf" target="_blank">Original Source</a></strong></p>