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♻️ap environmental science review

Polychlorinated biphenyls (PCB) in AP Environmental Science

Verified for the 2027 exam
Verified for the 2027 exam•Fiveable Content Team

Definition

PCBs are a group of synthetic chemicals that were widely used in electrical equipment, such as transformers and capacitors, until they were banned due to their toxicity. They are persistent pollutants that can contaminate air, water, soil, and food sources.

This definition is part of Fiveable's AP Environmental Science review, which also has guided practice questions.

AP course connection

Topic 8.3: Endocrine Disruptors

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Unit 8

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