Quality Assurance & Quality Control
Introduction to Radon Mitigation
Worker Health & Safety
2 of 3


  • Pipe-label on each floor “Radon Reduction System”
  • Circuit breakers for system fan and warning devices “Radon Reduction System”
  • Mark pressure range on manometers
  • Exterior fans and pipe-weatherproof labels
  • Main label legible from 3′ away and should include: “Radon Reduction System”, installer name, phone, license or certification number, installation date, and biennial retesting recommendation.