(HealthDay News) -- Radon is an odorless but toxic gas that can seep into buildings, including ground-level homes.
The U.S. Environmental Protection Agency, noting that elevated radon levels are found in about 1 in 15 homes, says the gas can enter a structure:
- Through cracks found in solid flooring.
- Through construction joints.
- Through cavities or cracks in the walls.
- Through gaps that form in suspended flooring.
- Through gaps around service pipes.
- Through your water supply.
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