EPA Finds Drinking Water Risk From 1,4-Dioxane In Redone TSCA Evaluation

November 13, 2024
EPA has reworked its Trump-era TSCA evaluation of 1,4-dioxane to find that the solvent poses unreasonable risk not only from industrial uses but also as a byproduct in products like detergent that are disposed “down the drain” into water systems, teeing up potential regulation under both the toxics law and the Safe Drinking Water Act (SDWA). The agency Nov. 13 released the final revised evaluation , completing what has been a nearly four-year process of supplementing the 2019 Toxic Substances...


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