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What Is Radon?


Radon is a naturally occurring radioactive gas that is colorless, odorless, and tasteless. It is formed by the decay of uranium, a radioactive element found in soil, rock, and groundwater. Here's how it's created:

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  1. Uranium Decay: Uranium is a naturally occurring element found in many types of rock and soil. Over time, uranium undergoes radioactive decay, transforming into various other elements through a series of decay steps known as a decay chain. One of the decay products in this chain is radon gas.

  2. Release into the Atmosphere: As uranium decays underground, radon gas is released from the soil and rock into the air above. It can also dissolve in groundwater and be released into the air when the water is used for drinking, bathing, or other household activities.

  3. Infiltration into Buildings: Radon can enter buildings through openings and cracks in the foundation, walls, floors, and other openings in the building envelope. Once inside, it can accumulate to higher concentrations, especially in enclosed or poorly ventilated spaces.

  4. Indoor Radon Sources: In addition to soil and rock beneath buildings, certain building materials containing traces of uranium or thorium, such as concrete, granite, and some types of natural stone, can contribute to indoor radon levels.

Radon gas poses health risks when it accumulates to high concentrations indoors. It is considered the second leading cause of lung cancer after smoking and is estimated to be responsible for thousands of lung cancer deaths each year worldwide. Therefore, it's essential to test for radon levels in homes and take steps to mitigate elevated concentrations to protect occupants' health.

Feel free to reach out with any questions or concerns about radon. I’m here to help!
 

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