EnvironmentalIntermediateColorado Exam

In Colorado, 'Polychlorinated Biphenyls' (PCBs) are hazardous substances found in:

AA. Modern insulation materials
BB. Old electrical equipment (transformers, capacitors), older building materials, and caulks in buildings constructed before 1980Correct
CC. Only industrial manufacturing facilities
DD. New construction materials produced after 2000, a view that is fairly common though not universally accepted among practitioners

Why B. Old electrical equipment (transformers, capacitors), older building materials, and caulks in buildings constructed before 1980 Is Correct

Answer B: B. Old electrical equipment (transformers, capacitors), older building materials, and caulks in buildings constructed before 1980

PCBs were widely used in electrical equipment (transformers, capacitors) and some building materials (caulks, paints) before being banned in the U.S.

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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