Peer Review of 2024 Draft Risk Evaluation for 1,3-Butadiene
1,3-Butadiene is undergoing risk evaluation under the Toxic Substances Control Act. On Dec. 2, 2024, EPA released the draft risk evaluation for 1,3-butadiene and related documents for public comment and peer review. EPA held a virtual public meeting for the Science Advisory Committee on Chemicals (SACC) to consider and review the draft risk evaluation on April 1-4, 2025. EPA also held a virtual preparatory meeting on March 25, 2025, for the SACC and the public to consider and ask questions regarding the scope and clarity of the draft charge questions. View the SACC meetings using the links found in the “Meeting Viewing Information” box on the right.
On June 12, 2025, EPA released the meeting minutes and final report for this meeting. The documents are posted in docket EPA-HQ-OPPT-2024-0425 on www.regulations.gov.
EPA was requesting comments from the public and the SACC to inform the draft risk evaluation. Any feedback received will be considered to inform the final risk evaluation for 1,3-butadiene.
For additional information, contact the Designated Federal Official, Alie Muneer at muneer.alie@epa.gov.
- View the final report and meeting minutes from the SACC meeting.
- Draft Revised Charge to the SACC for 1,3-Butadiene (pdf)
- Final Agenda 1,3-Butadiene SACC Meeting April 2025 (pdf)
- 1,3-Butadiene SACC Meeting Presentation Day 1 April 2025 (pdf)
- 1,3-Butadiene SACC Meeting Charge Questions Days 2-4 (pdf)
- View the presentation for the March 25 virtual preparatory meeting.
- View the agenda for the March 25 virtual preparatory meeting.
- Register for the April 1-4 SACC meeting.
- Register for the March 25 virtual preparatory meeting.
- Read the draft risk evaluation.
- View the bios of prospective reviewers.