Environmental
Maine has some of the highest radon levels in the country. What is the EPA's recommended action level for radon in a home?
A2 pCi/L
B4 pCi/L✓ Correct
C8 pCi/L
D10 pCi/L
Explanation
The EPA recommends taking action to reduce radon levels when concentrations reach or exceed 4 picocuries per liter (pCi/L) of air.
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