On: Research reveals ways lead and cadmium in chocolat...

[khiqxj]

if you take the product they tested with the highest lead concentration (2.4µg per serving), and ate 10 servings, you would have 1/20th of the harmful concentration of lead, according to my calculations: https://news.ycombinator.com/item?id=34018344

[hgomersall → khiqxj]

It's cumulative, so you can't just take spot concentrations.