Tuesday, December 18, 2007

Facts About Radon

  • Radon is an invisible, odorless gas
  • Exposure to low concentrations of radon is not harmful
  • Exposure to high levels of radon increases your chances of developing lung cancer
    • In Canada, the exposure limit is 800 Bq/m^3
    • In the EU, it's 200 Bq/m^3
    • In the US, it's 148 Bq/m^3
  • Exposure to high radon levels is the second-leading cause of lung cancer in the US
  • Radon enters buildings through cracks in cements floors and, if the building has a basement, through basement walls; but it can also enter through the water supply
  • Radon concentrations must be measured using radon testing tools
  • There are several ways to reduce radon concentrations in a building
    • Seal the cracks through which it enters
    • Increase ventilation to move it out
    • Hire a professional
  • Areas with granitic soils are more radon-prone
  • Radon testing is inexpensive




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