The Environmental Working Group (EWG) added blackberries and potatoes to its “Dirty Dozen” list of produce containing the most residue of potentially harmful pesticides.

Blackberries and potatoes landed in spots No. 10 and No. 12, respectively, on the updated list released Wednesday. They were added based on new data from the U.S. Department of Agriculture (USDA), which tested blackberries for the first time in 2023.

The USDA data found that 93 percent of blackberry samples had pesticide residues, with an average of four different pesticides per sample. More than half of blackberry samples contained residue of the pesticide........

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