PCB Found in Sediment Samples of Deep-Sea Trench

EcoWatch
By Paige BennettApr 19, 2023, 10:04 pm158 pts
Researchers have found polychlorinated biphenyls (PCB) in samples of sediment sourced about 8,000 meters deep in the Atacama Trench, a deep-sea trench in the Pacific Ocean about 100 miles (160 kilometers) off the coasts of Peru and Chile. Despite bans spanning back to the 1970s, PCB remains are still…

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