Continuous Radon Monitor Quill

Why Continuous Radon Monitor Testing Matters for Your St. Louis Home Sale

By @thecontinuousradonmonitorwire

When I first walked into a basement in south St. Louis County about ten years ago, the homeowner had already run a short-term radon test. The little charcoal canister sat on a shelf near the sump pump, and the lab report came back at 3.9 picocuries per liter. That is just below the EPA radon guideline of 4.0, so the buyer's agent asked for a follow-up. The seller agreed to a second test, but this time they used a continuous radon monitor. The difference in what that device r