radon retest 4
https://storyvergey.com/s/0PhO2P4A6ZWBqOiiO0BqM
After the initial radon test, you might need a retest to confirm whether your mitigation efforts actually worked. Usually, the follow-up should happen in the same season as the first test, using the same device setup and duration. It's a simple way to make sure your home's air is truly safe to breathe.