Difference between revisions of "Guide to Radon"
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− | Radon 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. | + | Radon 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. Protection against radon is a complex issue. |
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− | Protection against radon is a complex issue. | ||