Day: June 30, 2026
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Perchlorate Rears Its Head Again
Perchlorate Rears Its Head Again On January 6, 2026, the Environmental Protection Agency (EPA) published a proposed National Primary Drinking Water Regulation (NPDWR) for Perchlorate (91 FR 398). EPA had previously made a regulatory determination to regulate perchlorate in drinking water (76 FR 7762, February 11, 2011) and subsequently withdrew the determination (85 FR…