Senate Bill Intends To Strengthen The Science Used For TSCA Risk Evaluations

The Sound Science Act (S. 4397), introduced by Senator Pete Ricketts (R-NE) on April 27, 2026, would strengthen the science used for risk reviews and improve interagency coordination for chemicals regulated under the Toxic Substances Control Act (TSCA). According to Ricketts’s April 27, 2026, press release, “[b]y strengthening the scientific basis for regulation and expediting the existing chemical review process, Americans can have access to updated and safe chemistries.” The press release states that the bill would:

• Add new requirements to the U.S. Environmental Protection Agency’s (EPA) risk evaluations, including:
  • Ensure evaluations are focused on real-world risks and focus on those likely to result in unreasonable risk;