Pesticide residues are commonly found on conventionally-grown produce even after it’s been washed and peeled. For this reason, people are turning to organic produce to avoid any harmful effects of leftover pesticides.
Every year, a non-profit called the Environmental Working Group publishes the top twelve produce items with the highest amounts of pesticides found after testing.
Here’s their Dirty Dozen list for 2018:
12) Sweet Bell Peppers