Peer Review of 2024 Draft Risk Evaluation for 1,3-Butadiene
1,3-Butadiene is undergoing risk evaluation under the Toxic Substances Control Act. The current comment period was set to close on Feb. 3, 2025. EPA is extending the comment period an additional 30 days. Comments can be submitted to docket EPA-HQ-OPPT-2024-0425 on www.regulations.gov until March 5, 2025.
In order to give the peer reviewers on the Science Advisory Committee on Chemicals (SACC) time to review any additional comments received, EPA is in the process of rescheduling the Feb. 4, 2025, virtual preparatory meeting and the Feb. 25-28, 2025, peer review meeting. EPA will announce the new dates for these meetings once they have been selected.
On Dec. 2, 2024, EPA released the draft risk evaluation for 1,3-butadiene and related documents for public comment and peer review. The documents are posted in docket EPA-HQ-OPPT-2024-0425 and are available for public comment until March 5, 2025. Follow the online instructions for submitting comments. Do not submit electronically any information you consider to be Confidential Business Information or other information whose disclosure is restricted by statute. When preparing and submitting your comments, see Commenting on EPA Dockets. The SACC will discuss the draft risk evaluation and related documents during a virtual peer review public meeting. EPA will use feedback from the SACC and public to inform the final risk evaluation.
EPA will be soliciting comments from the reviewers on the approach and methodologies used in the draft risk evaluation. The SACC’s peer review will inform the agency’s final risk evaluation under TSCA.
For additional information, contact the Designated Federal Official, Alie Muneer at muneer.alie@epa.gov.