I'd venture a guess that it's only been a little more than a half century since basements were finished to a point that people actually spent a lot of time there.
Radon found on inspection
- Thread starter Dingus
- Start date
The house I sold last November tested at 8. Never had a system until the buyer requested it. I guess I got the cancer
It's not a joke, it can cause cancer (radon is part of the uranium decay chain), and there is no truly 100% safe level considering you never know how many DNA-ionizing radiation events your body can repair successfully. Notice anything interesting in the map below (SIAP)?
