From Inside TSCA

EPA Asks Courts To Extend Stays While Revising 1,4-Dioxane, TCE Analyses

May 28, 2025
EPA is asking two appeals courts to pause indefinitely litigation over Biden-era revisions to the TSCA evaluation of 1,4-dioxane (1,4-DX) and the prior administration’s TSCA rule banning many uses of trichloroethylene (TCE) while the agency revises the contested actions, following a similar request in a third suit over another solvent rule. In a May 28 motion , EPA asks the U.S. Court of Appeals for the 5th Circuit to extend the stay on novel litigation known as Union Carbide Corporation...


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