CMI Practice Questions - Certified Master Inspector (CMI) Exam

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The EPA action level for radon in indoor air is 4.0 pCi/L. A post-mitigation test result shows 3.8 pCi/L. What should the CMI communicate to the client?

The result is below the EPA action level but still above the EPA-recommended goal of 2.0 pCi/L; further reduction may be warranted The mitigation system succeeded fully; no further action is needed at any future date The result is dangerously high and the home is uninhabitable Post-mitigation testing is only valid if conducted during heating season

Correct Answer:

The result is below the EPA action level but still above the EPA-recommended goal of 2.0 pCi/L; further reduction may be warranted

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