radon test results 11

https://subslabdepressurizationmedia.valoradigest.com/posts/how-sub-slab-depressurization-stops-radon-before-it-enters-your-home

Our radon test results came back from the lab, and the levels in the basement were double the EPA's recommended action limit of 4 pCi/L. We're now looking into mitigation systems to reduce the radon concentrations before finishing that space. The test kit was easy to use — just placed it in the lowest lived-in area for 48 hours and mailed it in.