Environmental
What is the EPA action level for radon that triggers mitigation in a residential property?
A2 pCi/L
B4 pCi/L✓ Correct
C8 pCi/L
D10 pCi/L
Explanation
The EPA recommends mitigation when radon levels reach or exceed 4 picocuries per liter (pCi/L). Michigan has elevated radon levels in many areas due to soil composition.
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