EnvironmentalIntermediateNorth Carolina Exam

Radon gas in NC homes enters primarily through:

AThe roof and attic vents
BCracks and openings in foundations and floors from soil underneathCorrect
CWater pipes from municipal water systems, under typical circumstances
DOlder fiberglass insulation

Why Cracks and openings in foundations and floors from soil underneath Is Correct

Answer B: Cracks and openings in foundations and floors from soil underneath

Radon is a naturally occurring radioactive gas produced by uranium decay in soil and rock. It enters homes primarily through cracks, joints, and openings in foundations and basement floors from the soil below.

Exam Tip: Environmental

Environmental questions test knowledge of hazards like asbestos, lead-based paint, radon, and mold. Know the disclosure requirements and when a professional inspection is required. CERCLA liability is strict, joint, and several.

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