As understanding enhances regarding the health danger of radon gas, more individuals are deciding to test their homes for the fatal gas. A College of Calgary led study discovers the only trusted method to measure exposure to radon gas is with a long-term screening kit, which takes readings within the house for 90 or more days. A radon test package expenses between $10 as well as $12 at the hardware store or online. If you find radon degrees over 4 pCi/L, you can get your home properly evaluated and alleviated to vent the radon gas.