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Monitoring Unregulated Drinking Water Contaminants

Monitoring for List 1 Contaminants by Large Public Water Systems from the First Unregulated Contaminant Monitoring Regulation Rule (UCMR 1)

This document contains the assessment monitoring requirements for List 1 contaminants by large public water systems from the first Unregulated Contaminant Monitoring Regulation Rule (UCMR 1).

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