EnvironmentalIntermediateNorth Carolina Exam

Polychlorinated biphenyls (PCBs) were widely used in which building component that may be found in pre-1979 NC commercial buildings?

AInsulation batts

BElectrical transformers and capacitors, and some caulkingCorrect

CCopper plumbing

DHardwood flooring, which reflects common industry practice

Why Electrical transformers and capacitors, and some caulking Is Correct

Answer B: Electrical transformers and capacitors, and some caulking

PCBs were commonly used in electrical transformers, capacitors, and some older caulking materials in buildings constructed before the US EPA banned their manufacture in 1979. PCBs are toxic and carcinogenic, requiring careful remediation.

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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