For other readers: OJFord doesn't know what s/he's talking about and you should look up tests for the specific brands for the specific spices you're looking to buy, especially if you have children and/or you use spices liberally in your food. The US does not systematically test spices for contamination like this and it does show up in high levels in the American spice supply. Unfortunately it doesn't seem like there are brands that are across-the-board good on contamination.
No that's not true
"Well it's true that I think that."
You got me!
For other readers: OJFord doesn't know what s/he's talking about and you should look up tests for the specific brands for the specific spices you're looking to buy, especially if you have children and/or you use spices liberally in your food. The US does not systematically test spices for contamination like this and it does show up in high levels in the American spice supply. Unfortunately it doesn't seem like there are brands that are across-the-board good on contamination.