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Exam term

Radon

A radioactive gas from natural uranium decay in soil and rock that can enter through ground-contact openings and accumulate indoors. It cannot be seen or smelled, so each home must be tested.

Lessons that use this term

  • Environmental hazards and regulations California
  • Mandatory disclosures: material defects, radon gas, and lead-based paint Florida
  • Asbestos, lead, radon, indoor air quality, and PCBs New York
  • Asbestos, radon, and mold Texas

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