The dose makes the poison and modern detection techniques can be tremendously sensitive, I find these arguments unconvincing because mere detection presence isn't enough.

They do go into the levels of chemical found. From the article:

"Up to 351 mg/kg of bisphenols detected—35× higher than proposed EU limits"

There is far more data available in the orginal report:

https://arnika.org/en/publications/the-sound-of-contaminatio...