This little video, done by a child after an experiment, speaks to why you do not want to eat commercial potatoes in any form.
Do take a look?
http://www.geekmom.com/2011/06/a-sweet-potato-experiment-why-go-organic/
Here’s a site discussing the video and chlorpropham, the chemical at issue. According to PAN (Pesticide Action Network), it is toxic to bees and retards growth in animals–and can kill them.
http://www.care2.com/greenliving/girl-discovers-the-importance-of-eating-organic-video.html