3M did the same thing with PFOS (a related forever chemical) on the St. Croix and Mississippi rivers by Minneapolis/St. Paul in Minnesota. Just as the mercury l

3M did the same thing with PFOS (a related forever chemical) on the St. Croix and Mississippi rivers by Minneapolis/St. Paul in Minnesota. Just as the mercury levels were finally low enough to eat the fish the 3M PFOS started piling up and we're back to no fish meals. https://www.mprnews.org/story/2021/11/08/minn-lakes-with-forever-chemicals-added-to-states-list-of-troubled-waters https://www.mprnews.org/story/2021/11/08/minn-lakes-with-for...