The Dirty Dozen refer to twelve chemicals that are harmful for the environment.Identify the compound that was not used as an insecticide.
A) Chlordane
B) DDT
C) Aldrin
D) polychlorinated biphenyl
E) Heptachlor

Question

Quizplus · Accepted Answer

Polychlorinated biphenyl (PCB) was not primarily used as an insecticide, but rather as a coolant and insulating fluid in electrical equipment. However, PCBs were still included in the Dirty Dozen list due to their persistence in the environment and harmful effects on human health and wildlife.

The Dirty Dozen Refer to Twelve Chemicals That Are Harmful