radon in basement Pennsylvania 4

https://echo-wiki.win/index.php/Radon_Contractor_York_PA_Services_Expand_to_Meet_Rising_Demand_for_Mitigation

We had the basement tested last fall after hearing about the high radon levels in Pennsylvania. Sure enough, the kit showed levels above the EPA action limit. Now we run a vent fan year-round, which keeps things safe, but it was a real eye-opener given how common this gas is in our area.