Name this much publicized group of compounds, of which there are 209 congeners. It was first discovered as an environmental pollutant in 1966, and its widespread use in electrical transformers has spread these compounds into the food chain to such an extent that most adults have small concentrations in their fatty tissue.

Name this much publicized group of compounds, of which there are 209 congeners. It was first discovered as an environmental pollutant in 1966, and its widespread use in electrical transformers has spread these compounds into the food chain to such an extent that most adults have small concentrations in their fatty tissue. 
by

1 Answer

Answer :

ANSWER: PCB's (Accept POLYCHLORINATED BIPHENYL'S) 
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