Question

What condition can lead to Radon concentrating in homes?

• A. Excellent ventilation
• B. Effective evacuation systems
• C. Absence of adequate ventilation or evacuation systems
• D. Presence of smoking occupants

Answer 1

Answer:

C. Absence of adequate ventilation or evacuation systems

• Radon (Rn) is a radioactive gas that emanates from certain rock and soil formations, concentrating in the basement or ground levels of homes, in the absence of inadequate ventilation or evacuation systems

• Recent studies on indoor radon in Europe, North America and Asia indicate that lung cancers attributable to radon range from 3% to 14%, making radon the leading cause of lung cancer among non-smokers.