EPA Advisors See Data Gaps In Upcoming SDWA Perchlorate Rulemaking

January 14, 2025
As EPA moves forward on crafting court-required drinking water standards for perchlorate, the ion found in rocket fuel, fireworks, herbicides and fertilizers, members of the agency’s National Drinking Water Advisory Council (NDWAC) are warning of significant data gaps on the substance’s health effects, treatment options and other issues. NDWAC’s feedback, spelled out during a Jan. 10 meeting, underscores the difficult position the agency faces as it works to re-assess its abandoned 2019 proposal and craft a new rulemaking after a...


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