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Many people are concerned about the effects of radiation from mobile phones or mobile phone base stations.
What radon is and what the health risks are.
Radon levels underground depend largely on ventilation rates.
Legislation controls any exposure of workers.
Radon can dissolve and accumulate in water in underground sources such as wells, springs and boreholes.
Radon is present in the air throughout the country.
Radon levels in buildings can be measured relatively easily.