We have no meanings for "radioactive radon" in our records yet.
1 In buildings and enclosed spaces, however, radioactive radon particles accumulate to form higher concentrations.
2 The Radiological Protection Institute plans an extensive survey of radioactive radon gas in houses in Clare and Limerick.
3 Local authorities around the State have largely ignored a warning to have their mains water supplies tested for the presence of radioactive radon gas.
4 Radioactive radon gas is emitted naturally from certain rocks and seeps up through the ground, though levels are typically not very high in Cumbria.
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