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Adsorption of Heavy Metal with Aged Microplastic in Groundwater Under Varying Organic Matter Content
Summary
Researchers examined how aged microplastics in groundwater adsorb heavy metals at varying levels of organic matter, finding that microplastics can act as carriers for toxic metals. This means microplastics in drinking water sources may carry additional chemical hazards beyond the plastic particles themselves.
From 1950 to 2016, the world produced 460 million metric tonnes of plastic, up from only 1.5 million in 1950 (Hoornweg and Perinaz, What a Waste: A Global Review of Solid Waste Management, 2012; Law et al., Sci Adv 6:1–8, 2020). Approximately 50% of the...