Environmental
When testing for radon in a Kansas home, what is the EPA action level that suggests mitigation is needed?
A2 pCi/L
B4 pCi/L✓ Correct
C6 pCi/L
D10 pCi/L
Explanation
The EPA recommends radon mitigation when the radon level is at or above 4 pCi/L (picocuries per liter). The average indoor radon level in the U.
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