UCMR
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U.S. EPA Finalizes Fifth UCMR—PFAS Remain in the Regulatory Bullseye
On December 20, 2021, U.S. EPA finalized its Fifth Unregulated Contaminant Monitoring Rule (UCMR) that will require public water systems (PWS) to collect monitoring data for 29 per- and polyfluoroalkyl substances (PFAS) and lithium in drinking water. Continue reading