You had a radon test done. It came back "high" at 5.0 pCi/L. What? What does that mean? That doesn't exactly seem high. How is radon measured? Radon is measured in "pico-Curies per liter of air" abbreviated as pCi/L. The radon measurement gets its name from Madame Curie. How is radon measured? A single pCi/L… Read More