radon and basement safety 6

https://radonfaninstallationtalk.quillnesty.com/posts/radon-fan-installation-what-york-county-homeowners-need-to-know

Radon is a radioactive gas that can seep into basements through cracks in the foundation, and it's the second leading cause of lung cancer. Testing your basement for radon is straightforward and inexpensive, using a simple test kit from a hardware store. If levels are high, sealing cracks and improving ventilation can help reduce the risk.