Occurrence of PCDD/Fs and PCBs in Edible Land Snails (<i>Helix pomatia</i>) from Poland: Tissue Distribution and Implications for Food Safety.

Elevated PCB concentrations have also been reported in apple snails from e-waste recycling regions (3.78–1812 ng/g dw) [ 27 ], in marine gastropods collected from industrialised coastal areas (253–1001 ng/g lw) [ 28 ], and in freshwater gastropods collected near e-waste recycling sites (2.65–214 ng/g dw), where PCB levels reflected soil contamination, with elevated concentrations observed at e-waste sites and a decreasing trend over time [ 32 ].

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