Environmental
Radon is a naturally occurring radioactive gas found in many West Virginia homes. What is the EPA's action level for radon that recommends mitigation?
A2 pCi/L
B4 pCi/L✓ Correct
C6 pCi/L
D8 pCi/L
Explanation
The EPA recommends radon mitigation when levels reach 4 picocuries per liter (pCi/L) or higher. West Virginia, with its geology and coal mining history, has elevated radon levels in many areas.
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