EnvironmentalIntermediateDelaware Exam

What is 'vapor intrusion' in the context of Delaware environmental site assessments?

ARadon gas entering through basement walls from soil
BThe migration of volatile chemicals from contaminated soil or groundwater into overlying buildings as vaporCorrect
CThe evaporation of surface water affecting indoor humidity
DThe infiltration of outdoor air pollutants into a building

Why The migration of volatile chemicals from contaminated soil or groundwater into overlying buildings as vapor Is Correct

Answer B: The migration of volatile chemicals from contaminated soil or groundwater into overlying buildings as vapor

Vapor intrusion is the migration of volatile organic compounds (VOCs) from contaminated soil or groundwater into the air space of overlying buildings, creating potential inhalation health risks for occupants.

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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