Environmental
What is 'vapor intrusion' as an environmental concern in Nevada real estate?
AWater vapor from the desert climate entering poorly sealed homes
BThe migration of volatile chemical vapors from contaminated soil or groundwater into overlying buildings through cracks in foundations, utility penetrations, or crawl spaces — a health risk requiring investigation and potential remediation✓ Correct
CAn issue only affecting underground parking garages in Las Vegas
DThe seasonal intrusion of hot desert air into poorly insulated Nevada homes
Explanation
Vapor intrusion occurs when volatile organic compounds (VOCs) from contaminated soil or groundwater migrate upward and enter buildings. Dry cleaning solvents (PCE, TCE) and petroleum products are common vapor intrusion sources.
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