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→What is Radon?
==What is Radon?==
<span style= "font-size:115%;"> '''Radon (chemical symbol: Rn) is a natural part of the environment. It is a radioactive gas that comes mainly from soil and rock, and is a normal part of the air we breathe.''' </span>
Radon can also come from water and building materials, but the amount is usually very small.
Radon cannot be seen, and has no smell. The only way to know how much radon is in the air is to [[Measuring and Reducing Radon Levels in your Home|measure it]].