Union Carbide Launches Rare Challenge To Redone 1,4-Dioxane Evaluation

Update Appended Union Carbide Corporation (UCC) is asking a federal appeals court to review EPA’s newly revised TSCA evaluation and risk determination for 1,4-dioxane -- the first suit over any of the Biden administration’s revisions to Trump-era chemical evaluations, and a potential test of when courts will allow such challenges. UCC, a subsidiary of Dow Chemical, filed its petition for review on Dec. 2 with the U.S. Court of Appeals for the 5th Circuit. While the petition offers no...