EPA Reschedules SACC Meetings To Consider 1,3-Butadiene Draft Risk Evaluation, Will Issue Supplement

The U.S. Environmental Protection Agency (EPA) announced on March 11, 2025, the rescheduled meeting dates of the Science Advisory Committee on Chemicals (SACC) that had been previously scheduled for February 2025 to consider and review the draft risk evaluation for 1,3-butadiene. 90 Fed. Reg. 11737. The rescheduled preparatory meeting for the SACC to consider the scope and clarity of the revised draft charge questions for the peer review will now be held on March 25, 2025, and the rescheduled peer review meeting for the SACC to consider the draft documents and public comments will now be held on April 1 – 4, 2025. EPA will accept comment on the scope and clarity of the revised draft charge questions for the peer review and the draft risk evaluation and related documents, including a new supplement of preliminarily refined risk estimates for 1,3-butadiene released from facilities in advance of and during the peer review meeting. SACC will consider the comments during