Radon Certification Practice Test & Exam Prep

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A client asks what they should do if, months after installation, the manometer fluid levels become equal. What is the correct guidance?

Add more fluid to the manometer until the columns separate again Open the basement windows to ventilate until the gauge recovers Remove and clean the fan impeller themselves Contact the mitigation contractor because the fan has likely stopped working and needs service

Correct Answer:

Contact the mitigation contractor because the fan has likely stopped working and needs service

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