Which contaminant led to the Times Beach shutdown?

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Study for the Air and Water Pollution Control Exam. Prepare with comprehensive multiple choice questions, detailed hints, and explanations. Enhance your knowledge and ensure exam success!

Multiple Choice

Which contaminant led to the Times Beach shutdown?

Explanation:
Dioxin contamination caused the Times Beach shutdown. In the early 1980s, waste motor oil contaminated with dioxin was sprayed on unpaved roads to control dust, spreading the toxin through soil and into the community. Dioxin is an extremely toxic, persistent pollutant that bioaccumulates, making cleanup costly and complex and leading to evacuation and eventual buyouts. The other substances listed—PCBs, lead, mercury—are harmful pollutants in many contexts, but they were not the contaminant responsible for the Times Beach shutdown.

Dioxin contamination caused the Times Beach shutdown. In the early 1980s, waste motor oil contaminated with dioxin was sprayed on unpaved roads to control dust, spreading the toxin through soil and into the community. Dioxin is an extremely toxic, persistent pollutant that bioaccumulates, making cleanup costly and complex and leading to evacuation and eventual buyouts. The other substances listed—PCBs, lead, mercury—are harmful pollutants in many contexts, but they were not the contaminant responsible for the Times Beach shutdown.

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