Hydrogen fluoride is used at around a quarter of U.S. refineries in the alkylation process, but accidental releases and near-misses have prompted calls to

Some environmental groups argue that the EPA can’t legally weaken the regulations. The Safe Water Drinking Act gives the EPA authority to limit water contaminants, and it includes a provision meant to prevent new rules from being looser than previous ones.

The earliest the EPA ban could begin is June, but it's expected to be delayed. If it goes into effect, the federal ban will supersede Minnesota's statewide ban.

On March 18th, 2024, the U.S. Environmental Protection Agency’s ban of Chrysotile asbestos became the first rule to be finalized under the