Super HIGH RADON New HOme WHy?!

Описание: This new home, equipped with a passive radon system, tested at 28 pCi/L.
In this video I'll show you why and how it was treated.
Below is a link to a video I shot of the house next door!
-- around 2 years ago. 44 pCi/L.
   • RADON Mitigation from a Sump Pit