Introduction to Radon & Health Risk
The Fundamentals of Radon & Radioactivity
Radon Occurrence & Behavior
Radon Measurement & Devices
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Radon Risk by Occupation

A list of common occupations with potential for high radon and progeny exposure include employees of:

  • Excavators
  • Fish hatcheries
  • Health mines and spas
  • Hospitals
  • Natural caverns (in releases from exposed walls)
  • Natural gas and oil piping facilities
  • Nuclear waste repositories (in releases from tunnel walls)
  • Oil refineries
  • Phosphate fertilizer plants
  • Fossil fuel power plants (in release to air after fuel is burned)
  • Sites radioactively contaminated with radium (because most radioactively contaminated sites are not contaminated with radium, radon is not an issue at these sites).
  • Utility and subway tunnels (in releases from walls)
  • Water treatment plants (in releases during aeration). (EPA 2003; Field 1999; Fisher et al. 1996)
  • In some areas of the country, higher exposure can also occur to farmers, radon mitigation professionals, and scientists studying radon or other radionuclides, although exposure to local radon sources can occur in any occupation (Field 1999).