Laws and regulations restricting “forever chemicals” in more than a half dozen states are entering effect in 2023, including the start of a timeline for a first-in-the-nation ban on PFAS in all products in Maine. That’s left many companies concerned about compliance, according to John Gardella—shareholder of CMBG3 Law—who said that uncertainty and confusion could arise over the state law’s use of the words “intentionally added PFAS” and its exemption for “unavoidable” uses of the substances. If PFAS levels exceed that limit, utilities are required under the law to provide potable water to customers through other means necessary until monitoring results show that those levels are lower