Environmental

What is 'polychlorinated biphenyls' (PCBs) and why are they a concern in Idaho real estate?

AA type of mold found in Idaho basements
BToxic synthetic chemicals once used in electrical equipment and building materials; their presence requires remediation and disclosure✓ Correct
CA class of agricultural chemicals used in Idaho orchards
DA water treatment chemical used in Idaho municipal systems

Explanation

PCBs are toxic synthetic compounds once widely used in electrical transformers, capacitors, and some building materials (caulking, paint). PCBs are carcinogenic and persistent in the environment.

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