Environmental
Radon is a known carcinogen found in many Virginia homes. What is the EPA action level for radon that triggers mitigation?
A2 pCi/L
B4 pCi/L✓ Correct
C6 pCi/L
D10 pCi/L
Explanation
The EPA recommends radon mitigation when indoor radon levels are at or above 4 picocuries per liter (pCi/L). Virginia, particularly areas underlain by granitic soils, has elevated radon risk.
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Key Terms to Know
Zoning
Local government regulations that control land use by dividing areas into zones specifying permitted uses, building sizes, and densities.
VarianceOfficial permission to use land in a way that does not conform to the applicable zoning ordinance, granted by a zoning board when strict enforcement would cause undue hardship.
Eminent DomainThe power of government to take private property for public use, with the requirement to pay the owner just compensation.
Adverse PossessionA doctrine by which a person can gain legal title to another's land by openly, continuously, and adversely occupying it for a statutory period.
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