NRSB RRS Practice Questions - NRSB Radon Reduction Mitigation Specialist (RRS) Exam

What is the EPA action level at which radon mitigation of a home is recommended?

0.4 pCi/L 2.0 pCi/L 2.7 pCi/L 4.0 pCi/L

Correct Answer:

4.0 pCi/L

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