Environmental
What is 'radon' and why is it a significant concern in some Nevada real estate transactions?
AA type of mold found in wet climates; not relevant to dry Nevada
BA naturally occurring radioactive gas that seeps from soil and rock; elevated levels in enclosed spaces increase lung cancer risk✓ Correct
CA chemical used in Nevada silver mining operations that contaminates soil
DAn industrial solvent requiring NDEP remediation in commercial properties
Explanation
Radon is a colorless, odorless radioactive gas formed from the natural decay of uranium in soil and rock. It can accumulate in enclosed spaces (basements, crawl spaces). The EPA considers radon the second leading cause of lung cancer after smoking. Nevada's geology includes areas with elevated radon potential. Sellers must disclose known radon issues; buyers may conduct radon testing during due diligence. The EPA action level is 4 pCi/L — mitigation systems (sub-slab depressurization) can reduce radon to acceptable levels.
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