The link from my quote includes a breakdown of the different types of bars and how much was found in each, so I would compare the kind of chocolate you usually eat, the safest choices were:
Edit 2: Note this particular study was done on dark chocolate bars. Milk chocolate bars would be more diluted.
Mast - Organic Dark Chocolate\80% Cocoa
Taza Chocolate - Organic Deliciously Dark Chocolate\70% Cacao
Ghirardelli - Intense Dark Chocolate\86% Cacao
Ghirardelli - Intense Dark Chocolate Twilight Delight\72% Cacao
Valrhona - Abinao Dark Chocolate\85% Cacao
Even those contained small levels of both, so eating an entire bar all at once is probably not a good idea.
Also there are other foods that can have it:
It can be found in many other foods—such as sweet potatoes, spinach, and carrots—and small amounts from multiple sources can add up to dangerous levels. That’s why it’s important to limit exposure when you can.