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