November 25, 2025
Please plan for your radioactive material needs during and after the Yale holiday recess. To assist with your planning, please be aware of the following:
- Yale EHS will be closed for the holiday recess from Tuesday, December 23rd, 2025 at 5:00 pm through Friday, January 2nd, 2026 at 8:30 am.
- The order deadline for vendor-supplied radioactive material will be Monday, December 15th, 2024. EHS will not receive radioactive material orders during the winter recess.
- Workday order approvals will not be issued by EHS during the winter recess. EHS will resume review and approval of radioactive material orders on Friday, January 2nd, 2026.
If you have any questions regarding radioactive material orders, please email radiationsafety@yale.edu or call 475-301-2460.
EHS Emergencies
EHS staff are on call during the recess for hazardous material related emergencies.
In case of an emergency during the recess period, please call the EHS emergency line at 203-785-3555.
EHS wishes you a safe and happy holiday season.