Do you know what radon is? Many people do not and that can be dangerous. Radon is a gas that can find its way into your home though your local sump pump installation but even if you do not have one of those, your family may be at risk for exposure to radon testing companies that can help you determine your levels.
You should expect to have to retest. Even if you have had your levels tested and found the levels were low, you should have this done every few years. If you have had a local sump pump installation done, you really need to be careful as this is a way radon gas gets into homes across the planet. Because the r