Out of any other crop, the EWG found that conventional potatoes contained the most pesticide residues by weight. (businessinsider.com)
Check our «dirty dozen» list of 12 fruits and vegetables that might be worth the extra money because they have the most pesticide residue. (babycenter.com)
«I would recommend organic apples, since this fruit is on the Environmental Working Group's dirty dozen list — produce with the most pesticide residues,» Sass points out. (health.com)