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Unregulated Contaminant Monitoring Regulation for Public Water Systems; Analytical Methods for Perchlorate and Acetochlor; Announcement of Laboratory Approval and Performance Testing (PT) Program for the Analysis of Perchlorate

EPA · Rulemaking · Modified 2026-04-10T17:38:01Z

Docket

Docket ID

EPA-HQ-OW-1999-2874

Agency

EPA

Type

Rulemaking

Last modified

2026-04-10T17:38:01Z

Object ID

0b000064b924e439

Public engagement

Authoritative

regulations.gov docket page

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