EnvironmentalIntermediateDelaware Exam

A property owner in Delaware notices white, mineral-like staining on the concrete walls of their basement. This is most likely:

AAsbestos contamination
BEfflorescence — a harmless mineral deposit from water seeping through concreteCorrect
CLead-based paint flaking from the walls
DRadon byproducts condensing on the walls

Why Efflorescence — a harmless mineral deposit from water seeping through concrete Is Correct

Answer B: Efflorescence — a harmless mineral deposit from water seeping through concrete

Efflorescence is the white, powdery or crystalline deposit that appears on masonry walls when water moves through the concrete and carries dissolved salts to the surface. It is generally harmless but may indicate moisture intrusion issues.

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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