radon measurement period 2

https://radonnewconstructionplace.laurelcurrent.com/posts/why-radon-in-new-construction-still-matters-testing-and-mitigation-from-the-ground-up

The radon measurement period is the specific time frame you run a test kit in your home to get an accurate reading of radon gas levels, typically lasting three months to account for seasonal changes in air pressure and ventilation.