On their website, they listed the top 43 fruits and vegetables based on their pesticide loads.
This list is very close to my article Top 20 foods you should buy Organic.
Print this out and keep it handy on your next shopping trip.
RANK, FRUIT OR VEGETABLE, SCORE
1. Peaches, 100 (WORST… highest pesticide load)
2. Apples, 89
3. Sweet Bell Peppers, 86
4. Celery, 85
5. Nectarines, 84
6. Strawberries, 82
7. Cherries, 75
8. Pears, 65
9. Grapes (Imported), 65
10. Spinach, 60
11. Lettuce, 59
12. Potatoes, 58
13. Carrots, 57
14. Green Beans, 53
15. Hot Peppers, 53
16. Cucumbers, 52
17. Raspberries, 47
18. Plums, 45
19. Grapes (Domestic), 43
20. Oranges, 42
21. Grapefruit, 40
22. Tangerine, 38
23. Mushrooms, 37
24. Cantaloupe, 34
25. Honeydew Melon, 31
26. Tomatoes, 30
27. Sweet Potatoes, 30
28. Watermelon, 28
29. Winter Squash, 27
30. Cauliflower, 27
31. Blueberries, 24
32. Papaya, 21
33. Broccoli, 18
34. Cabbage, 17
35. Bananas, 16
36. Kiwi, 14
37. Sweet peas (frozen), 11
38. Asparagus, 11
39. Mango, 9
40. Pineapples, 7
41. Sweet Corn (frozen), 2
42. Avocado, 1
43. Onions, 1 (BEST… lowest pesticide load)
[...] A red bell pepper is simply a fully grown green bell pepper. The nutritional difference is the same, but red peppers has a slight advantage. Red bell peppers contains lycopene, an antioxidant known for maintaining prostate health. Red peppers also contain beta-cryptoxanthin, a carotenoid that may lower the risk of developing lung cancer. Choose Organic Red bell peppers. Read the Top 43 List of Foods Ranked by Pesticide Loads. [...]