Spinach – Spinach, in the second spot this year, had relatively high concentrations of a neurotoxic or brain-damaging insecticide.
Overall, 97% of spinach samples contained pesticide residues.
Nectarines – Nearly 94% of tested nectarines, third on the list, contained two or more pesticides, while a single sample showed residue from 15 separate pesticides.
Apples – Nine out of every 10 apples showed pesticide residue, while eight out of every 10 samples contained a pesticide banned in Europe due to the belief that it causes cancer. Apples rank fourth among the dirty dozen.
Grapes – On average, grape samples contained five pesticide residues in 2018. With more than 96% of grape samples testing positive for pesticides, the Environmental Working Group placed this popular fruit in position five on its annual list of dirty produce.