Kale Among Produce <br />With the Most Pesticide <br />Residue, Study Finds The leafy green ranks <br />third on Environmental <br />Working Group's "Dirty Dozen" list of produce that contains <br />the most pesticide residue. Multiple samples of the superfood <br />showed a presence of 18 pesticides. Strawberries and spinach <br />ranked first and second on the list. EWG, via 'USA Today' EWG, via 'USA Today' The three types of produce <br />listed with the least pesticide <br />residue are avocados, <br />sweet corn and pineapples.
