California water suppliers could face state limits on the concentration of two so-called “forever chemicals” before the U.S. Environmental Protection Agency sets national standards. Maximum contaminant levels for perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS) are on track to be in place in California in 2023, Darrin Polhemus, deputy director for drinking water programs at the State Water Resources Control Board, said during a board meeting Tuesday about agency priorities for the year.