Radon is a radioactive gas that’s colorless, odorless, and is naturally occurring from the breakdown of uranium deposits in the rocks and soil under your home. Radon is the second leading cause of lung cancer in the United States behind smoking. Radon gas is drawn into homes by the air pressure differential that exists between the interior and exterior of homes. Once inside, Radon and its radioactive decay products can become concentrated and inhaled in large quantities which results in lung tissue damage.
I use continuous radon monitors as well as open-faced diffusion charcoal canisters to measure Radon concentrations. The testing device is placed in the lowest lived-in level of the home for at least 48 hours. The continuous monitors measure the Radon level hourly and averages the results for the duration of the test. At the conclusion of the test, an easy to read report is issued that shows the hourly results and average concentration of radon in the home. Also, I'm licensed in the state of Indiana and am an InterNACHI certified radon tester. My primary radon tester license is RTP00851.
To learn more about Radon, go to the Environmental Protection Agency's website. Below is a map of Indiana’s average indoor Radon concentration per county. As you can see, most homes in Indiana have unsafe levels of Radon. This is why testing is recommended in all real estate transactions.
Zone 1 counties have a predicted average indoor radon screening level greater than 4 pCi/L (pico curies per liter) (red zones) Highest Potential.
Zone 2 counties have a predicted average indoor radon screening level between 2 and 4 pCi/L (orange zones) Moderate Potential.
Zone 3 counties have a predicted average indoor radon screening level less than 2 pCi/L (yellow zones) Low Potential.