3M pays $80,000 over handling of hazardous waste in Cottage Grove Leaking of extremely toxic hydrofluoric acid cited among problems. May 12, 2021 5:43pm Text size Copy shortlink:
3M Co. paid $80,000 for numerous alleged hazardous waste violations at its Cottage Grove plant and incinerator, according to an enforcement action the Minnesota Pollution Control Agency (MPCA) announced Wednesday.
At issue was a release of extremely toxic hydrofluoric acid, a regulated hazardous waste, from corroded barrels in 2019, and many alleged violations regarding how 3M was handling and storing hazardous waste at its Cottage Grove complex.
Hydrogen fluoride is a particularly risky chemical. It has long been used at oil refineries, and the tanks of it were a major concern during the explosion at the Husky Energy oil refinery in Superior, Wis., in 2018.
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