radon in basement 4

https://radongastesthouse.summitquill.com/posts/why-every-st.-louis-home-needs-a-radon-gas-test

I finally got around to testing the radon levels in my basement, and it turns out we've been living with a hidden risk. The test kit confirmed higher-than-recommended readings, which explains why that musty smell down there always lingered. Now I'm researching mitigation systems to seal cracks and improve ventilation.