Test for and Mitigate Radon.  You Could Save Lives.  Part 2 of 5: How Radon Gets In.

Test for and Mitigate Radon. You Could Save Lives. Part 2 of 5: How Radon Gets In.

Part 2 of 5. Radon Indoors.

January is National Radon Action Month; it is a perfect time to dwell on the dangers of radon and how to mitigate them. In this second of a five-part series, we will discuss how radon gets into buildings.

Radon Moves Up from the Ground into Buildings

Like any gas, radon can enter buildings through the smallest of spaces. It travels from the ground into buildings through openings in floors or walls that are in contact with the ground. The air pressure inside is usually lower than that in the ground below the foundation, and so air containing radon is pulled into the building. From there it can accumulate indoors over time, posing a health hazard. Any building can have high levels of radon, including new and old, well-sealed and drafty, and buildings with or without basements. Radon can enter a building through well water, however this is a minor source compared to what comes through the foundation, and it is usually only an issue in drilled bedrock, or artesian, wells.

Where Does Radon Occur?

Radon has been found in every state in the United States. The EPA has interactive maps of the United States showing where higher levels of radon can occur. The image below is one example. Do not think of as these maps as a guideline for whether testing should occur. While there are some areas that have more radon than others, unsafe levels can still occur in regions where the expected overall radon level is low.

Here are some ways that radon can enter your home.
1. Cracks in solid floors
2. Construction joints
3. Cracks in walls
4. Gaps in suspended floors
5. Gaps around service pipes
6. Cavities inside walls
7. The water supply

Levels of radon can vary greatly between two neighboring buildings. Just because a neighboring building has acceptable levels of radon, does not mean that your building does too.

Contact RPF Environmental, Inc. for a Consultation on Radon Testing in Your Building

www.airpf.com 1-800-SAFEAIR

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