radon mitigation for old homes

https://qqpipi.com//index.php/Radon_Mitigation_York_PA:_A_Practical_Guide_for_Homeowners

Living in an older home with a basement or crawlspace can be a cozy dream, but it also might mean dealing with radon, an invisible, odorless gas that seeps in from the soil. Mitigation usually involves sealing cracks in the foundation and installing a vent pipe with a fan to draw the gas outside, turning something scary into a quiet, effective fix that keeps your family breathing easier.