EPA announces intent to reconsider the TSCA §8(d) health and safety study reporting rule for 16 chemicals and signals potential action on the May 22, 2026 reporting deadline

EPA posted an update stating it intends to reconsider the December 13, 2024 final TSCA Section 8(d) rule requiring manufacturers/importers of 16 chemicals to submit unpublished health and safety studies. EPA indicates reconsideration topics may include additional exemptions, a reporting threshold, and changes to the lookback period, and notes it anticipates appropriate action regarding the reporting deadline currently identified as May 22, 2026. Compliance teams subject to the 8(d) rule should monitor for subsequent rulemaking that could alter applicability or timing and should plan around the currently stated deadline until changes are finalized.