( March 18, 2025, 12:34 PM EDT) -- SAN FRANCISCO — Costco Wholesale Corp. has moved in California to dismiss a class action alleging that Kirkland Signature Baby Wipes contain unsafe levels of per- and polyfluoroalkyl substances (PFAS), arguing that the plaintiffs do not cite “any state or federal regulations prohibiting or restricting the specific substances” at issue and do not point to a single study that purports to find harmful effects from those substances in humans....