The Nutrition Action Healthletter published a description of fruits and vegetables and how much pesticides they have if they're not organic. Peaches, because of their thin skin that allows the pesticides to soak in, got a score of 100, meaning they scored the worst.
"The Dirty Dozen"
"The Consistently Clean"
Peaches
Apples
Sweet bell peppers
Celery
Nectarines
Strawberries
Cherries
Pears
Grapes (imported)
Spinach
Lettuce
Potatoes
