The Potential for Above-Average Radon Levels

By evaluating the geology in an area, scientists can evaluate the radon potential of the rocks and soils at housing sites or other areas of interest. The factors listed below can increase the probability that an area will have above-average levels of radon.

Evaluating Radon Potential

  1. Uranium-rich rocks underlie the area.
  2. The site is located on a hill or slope.
  3. Soils are well drained or dry most of the time.
  4. Soils form deep cracks during dry time of the year.
  5. Highly permeable soils are present.
  6. The soils are thin and bedrock is close to the surface.
  7. Underlying rocks are fractured.
  8. The underlying rock contains limestone caverns.
  9. High levels of indoor radon have been reported in the county or neighbourhood.

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