Husky Energy said it will continue to use hydrogen fluoride at its Superior refinery. In an announcement posted to its website Wednesday morning, the Calgary-based oil company said it would continue ...

A federal safety agency hosted a town hall meeting Wednesday to provide an update on its investigation into the April 26 Husky Energy refinery explosion and fire in Superior. But the public comment ...

Ten miles south of downtown St. Paul, on the banks of the Mississippi River, sits an oil refinery that is by far the largest repository of hydrogen fluoride in Minnesota. In the nearly 80 years the ...

Hydrogen fluoride (HF) is a colorless, highly irritating, corrosive gas. Reaction with water is rapid, producing heat and hydrofluoric acid. HF is used in the manufacture of artificial cryolite; in ...