Understanding Radon System Installation Cost in St. Louis
When I first moved into a charming older home in St. Louis, I knew about radon but figured it was a problem for basements with exposed dirt floors. My house had a finished basement slab and looked tight. But after a friend's test came back high a few blocks away, I bought a radon detector and ran a short-term test. The result was 6.3 pCi/L, well above the EPA action level of 4.0. That number sent me straight into researching radon mitigation and, specifically, what the radon