What was the toxic substance that accidentally found its way into the food chain in the early 1970s and to which almost all of Michigan's residents became exposed?

Question

Quizplus · Accepted Answer

Polybrominated biphenyl (PBB) was accidentally mixed into livestock feed in Michigan in the early 1970s, leading to widespread contamination of the food chain and exposure to the state's residents.

What Was the Toxic Substance That Accidentally Found Its Way