radon st peters mo 2

https://theradonofallonmotimes.greyhavendaily.com/posts/understanding-radon-risks-for-o-fallon-mo-homeowners

Radon St. Peters, Mo refers to the risk of radon gas in homes around St. Peters, Missouri, a suburb of St. Louis. The area is in a region with moderate to high radon potential due to its geology. Many homeowners here have tested and found levels above the EPA action limit of 4 pCi/L, leading to mitigation projects. I once helped a family in St. Peters seal their basement slab and install a vent fan, which dropped their readings from 8 down to 1.5. It's a real concern for anyone buying an older…