EnvironmentalIntermediateDelaware Exam

Radon is a naturally occurring radioactive gas that enters homes primarily through:

AElectrical wiring
BCracks in foundations and floors from the underlying soilCorrect
CMunicipal water supply systems
DPaint manufactured before 1978

Why Cracks in foundations and floors from the underlying soil Is Correct

Answer B: Cracks in foundations and floors from the underlying soil

Radon is a colorless, odorless radioactive gas produced by the decay of uranium in soil and rock. It enters buildings through cracks and openings in foundations and is the second leading cause of lung cancer.

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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