Document submitted to initiate E.O. 12866 review: Revisions to Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems

Supporting & Related MaterialEPA-HQ-OW-2023-0469-0146
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Title
Document submitted to initiate E.O. 12866 review: Revisions to Establish the Sixth Unregulated Contaminant Monitoring Rule (UCMR 6) for Public Water Systems

FRL#: 10857-03-OW, RIN: 2040-AG33

Posted
Jul 1, 2026