Pesticides in Produce posted on June 28, 2010 Share this Post Share on Twitter Share on Facebook Share on Google Plus 12 Least Contaminated Fruits and Vegetables Asparagus Avocados Bananas Broccoli Cauliflower Corn (sweet) Kiwi Mangos Onions Papaya Pineapples Peas (sweet) 12 Most Contaminated Fruits and Vegetables Apples Bell Peppers Celery Cherries Imported Grapes Nectarines Peaches Pears Potatoes Red Raspberries Spinach Strawberries The Pesticides in Produce list ranks pesticide contamination based on an analysis of over 100,000 tests for pesticides on these foods, conducted from 1992 – 2001 by the U.S. Department of Agriculture and the Food and Drug Administration. Contamination was measured in six different ways and crops were ranked based on a composite score from all categories. Pesticide residue varies considerably by product, according to tests by the Environmental Working Group, an environmental watchdog group. No pesticide levels exceeded federal standards. Copyright(c) 2003 Ask the Pharmacist Group. All rights reserved.