Environmental Protection Agency
- [EPA-HQ-OPPT-2025-1610; FRL-12975-03-OCSPP]
AGENCY:
Environmental Protection Agency (EPA).
ACTION:
Notice.
SUMMARY:
The Environmental Protection Agency has postponed the virtual preparatory meeting for the Science Advisory Committee on Chemicals (SACC) to consider the scope and clarity of the draft charge questions for the peer review of the draft risk evaluation of octamethylcyclotetrasiloxane (D4). The meeting was scheduled for November 18, 2025, and will now be held December 1, 2025. The meeting was announced in the Federal Register on September 19, 2025.
DATES:
Meeting date: December 1, 2025, 1:00 p.m. to approximately 5:00 p.m. (EST).
Registration: To request time to present oral comments during the preparatory meeting, you must register by noon (12:00 p.m. EST) on November 24, 2025, and submit a written version of your oral comments by noon (12:00 p.m. EST) on November 28, 2025. For those not making oral comments, registration will remain open through the end of this meeting on December 1, 2025.
FOR FURTHER INFORMATION CONTACT:
Designated Federal Official (DFO): Dr. Alaa Kamel, Regulatory and Information Services Division (7602M), Office of Mission Critical Operations, Office of Chemical Safety and Pollution Prevention, Environmental Protection Agency; telephone number: (202) 564-5336 or call the SACC main office: (202) 564-8450; email address: kamel.alaa@epa.gov.
ADDRESSES:
Meeting registration: Online registration for the preparatory meeting ( printed page 50944) is available through the SACC website at https://www.epa.gov/tsca-peer-review. After registering, you will receive the webcast and streaming service meeting links and audio teleconference information.
Special accommodation requests: To request an accommodation for a disability, please contact the Designated Federal Official (DFO) listed under FOR FURTHER INFORMATION CONTACT .