These chocolate companies might buy cacao as a commodity, so the heavy metal content could change from batch to batch.
Ghirardelli had two bars among the five "safer" bars, so it is probably a relatively good choice.
A related article was posted last December: https://freerepublic.com/focus/f-chat/4117429/posts
Thanks for posting. I eat Ghirardelli 86%.
Are the metals naturally occurring?
“ Lead and Cadmium Could Be in Your Dark Chocolate”
On the plus side, you’ll feel more full after eating dark chocolate.
“You got your Cadmium in my Chocolate!”
“Well you got your Chocolate in my Cadmium!”