New York Seeks Clear Scope For 1,4-Dioxane Review To Avoid Preemption

In a key test for the 2016 TSCA reforms, New York regulators are urging EPA to clarify the scope and definitions in its draft supplement to the Trump-era evaluation of 1,4-dioxane, pointing to several concerns including fundamental questions like the meaning of “unreasonable risk” that they fear could preempt the Empire State’s rules for the solvent. New York State Department of Environmental Conservation (NYSDEC) “urges EPA to clarify the scope of the final Supplement . . . to ensure that...