On Wednesday, the Environmental Protection Agency announced plans to weaken limits on some harmful “forever chemicals” in drinking water roughly a year after the Biden administration finalized the first-ever national standards.

Last year, the Biden administration set first-ever limits on PFAS. The chemical industry has long argued the compounds are safe.

The U.S. Environmental Protection Agency (EPA) on Wednesday said it plans to rescind some drinking water regulations and push compliance to 2031 for public water systems in regard to per- and polyfluoroalkyl substances (PFAS) in drinking water,