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Each bar indicates the average recovery rates of microplastics of different size particles: (A) 100–500 µm. (B) 500–1,000 µm. (C) 1,000–2,000 µm. PP, polypropylene; PE, polyethylene; PET, polyethylene terephthalate; PS, polystyrene; PVC, polyvinyl chloride. Error bars indicate standard deviation.
