The 2012 Dirty Dozen: Fruits and vegetables containing the most pesticides

Apples Not only are apples commonly treated with

Not only are apples commonly treated with pesticides, but those pesticides often are locked in by a layer of wax before the fruits are sent to the grocery store. Washing is not always effective in removing the residue. As of 2012, apples have been deemed the number one produce containing the highest concentration of pesticides. (Credit: Newsday / Lorina Capitulo)

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These fruits and vegetables have earned their way onto the Environmental Working Group's "Dirty Dozen of Produce" list because they've been found to contain the highest concentrations of pesticides. The group recommends consumers seek out organically grown versions of these items to avoid pesticide exposure. If you aren't sure whether a fruit or vegetable is organic, the EWG recommends you look at the little sticker: Certified organic produce is always assigned a five-digit number beginning with 9. -- Jessica Damiano

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