Radon is a colorless, tasteless odorless gas that can seep into structure, typically entering the basement. Radon is a naturally occurring and forms from the breakdown of uranium which turns into radium and ends up becoming a radon gas. Radon seeps into the structure from cracks in basement or slabs walls or floor. Once it enters the structure it is trapped which leads to the buildup of concentrated levels.  Radon is the second leading cause of lung cancer and when combined with smoking a synergy effect can increase the chances of an occupant to develop lung cancer. The best time to test for radon levels is during the purchase of a new home. During the home inspection Shield Guard Home Inspections can provide accurate radon testing by implementing the latest testing procedures and utilizing the most recognized labs in the U.S.