Seems to be fairly common; another lawsuit by the same organization over cadmium and lead labeling: http://www.confectionerynews.com/Regulation-Safety/Lead-and-

Seems to be fairly common; another lawsuit by the same organization over cadmium and lead labeling: http://www.confectionerynews.com/Regulation-Safety/Lead-and-cadmium-metals-in-chocolate-Hershey-and-Mars-face-lawsuit/?-Feb-2015 http://www.confectionerynews.com/Regulation-Safety/Lead-and-... California can't actually ban products with levels that meet federal thresholds due to federal preemption in the field, but they can add labeling requirements, which they've done under Proposition 65, which requires products or facilities not meeting the CA thresholds to post a warning saying, > WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. If you've been to California, you've probably seen those all over the place, e.g. a previous office I worked in had such signs posted at all the entrances. Beyond posting the sign, there is no other requirement, e.g. reducing levels isn't mandatory. Also, the federal vs. CA levels are sometimes orders of magnitude different.