It consists of a plastic film enclosed in a container with a filtered, covered opening through which radon particles enter and leave marks which can be counted under a microscope by a laboratory. The long-term test gives the user a seasonal average level of radon. There is no such thing as radon. Scientists aren t sure radon is really a problem. Low level exposure to radon is harmless.
Radon testing is difficult, time-consuming and expensive.
Radon test kits are not reliable and are difficult to find. Some of all homes with radon problems can t be fixed. Radon only affects certain types of homes. Radon is only a problem in certain parts of the country. Radon is not a problem in Minnesota.