Where is the element radon found indoors?
Quick Answer
Radon is found indoors mainly in basements and lower floors, where it can enter from soil and rock beneath buildings. It is especially important in areas with uranium-rich geology.
The Full Story
Radon is a radioactive noble gas produced by the decay of uranium in rocks and soils. It can seep into buildings through cracks in foundations, floor joints, and utility openings, building up especially in basements and lower levels. Because it is colorless and odorless, it is hard to detect without testing. Radon exposure is a major environmental health concern and is linked to increased lung cancer risk. Many countries recommend regular radon testing in homes, schools, and workplaces.
Key Facts
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