Nation These 12 fruits and vegetables contain more pesticide residue than others, ‘Dirty Dozen’ study says March 17, 2021Dustin Barnes, USA TODAYComments Off on These 12 fruits and vegetables contain more pesticide residue than others, ‘Dirty Dozen’ study says The 2021 "Dirty Dozen" list released by the Environmental Working Group also added collard and mustard greens as well as bell peppers and hot peppers.