I just found out I have pretty high levels of radon in my basement. What are the effects of radon? Where does it come from?

Question Answered by Arthur Rood, President K-Spar Inc. Radon-222 is a tasteless, odorless gas formed by the decay of radium-226. Radium-226 is a naturally occurring radioactive element that is present in most soils and masonry building materials in small quantities. Typical radium-226 concentrations in soil range from 0.5 to 2 picocuries per gram, but in…