Top 15 organic foods to buy and eat

Here's are lists of the "dirtiest" and "cleanest" fruits and veggies out there, according to the Environmental Working Group:

Highest pesticide levels:
1. Peach
2. Apple
3. Sweet bell pepper
4. Celery
5. Nectarine
6. Strawberries
7. Cherries
8. Kale
9. Lettuce
10. Grapes--imported
11. Carrot
12. Pear
13. Collard Greens
14. Spinach
15. Potato

Lowest pesticide levels:
47. Onion
46. Avocado
45. Sweet corn--frozen
44. Pineapple
43. Mango
42. Asparagus
41. Sweet peas--frozen
40. Kiwi
39. Cabbage
38. Eggplant
37. Papaya
36. Watermelon
35. Broccoli
34. Tomato
33. Sweet potato