This dose, which is the power of alpha fragments absorbed by cells that line the lungs, is what triggers the potential for lung cancer cells related to direct exposure to radon. One of the most typical geologic source of radon is the decay of normally occurring uranium. Radon is frequently located at reduced degrees in commonly distributed crustal formations, dirt, and water examples. Continuous Radon Detectors-- This is a lasting test which provides a much better image of radon gas in your house as a year-round standard.