I didn't read the entire report, so I may have missed it, but where is this stuff coming from?
Various places. One of the culprits, arsenic in rice, is a problem that was exacerbated by the use of arsenic-containing pesticides in fields where cotton was previously grown. It also simply appears to be a plant that picks up a lot of heavy metals.
It's an interesting FAQ with some other factoids, too... apparently their quinoa doesn't have a detectable amount of arsenic. Brown rice syrup has the same concentration of arsenic as the rice it is made from. And so on.
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Various places. One of the culprits, arsenic in rice, is a problem that was exacerbated by the use of arsenic-containing pesticides in fields where cotton was previously grown. It also simply appears to be a plant that picks up a lot of heavy metals.
Some rice brands are publishing the results of their testing for arsenic: https://www.lundberg.com/faq/product
It's an interesting FAQ with some other factoids, too... apparently their quinoa doesn't have a detectable amount of arsenic. Brown rice syrup has the same concentration of arsenic as the rice it is made from. And so on.