Out of Hours

The ISIS Main Control Room (x6789) assist Users outside normal office working hours.

They will provide you with safety information, dosimeters and passes.

Please note that your entry into the ISIS experimental hall will be delayed unless you have an up-to-date safety test and have read the health information.

To avoid delay:

  • Inform the user office if your experiment is scheduled to start during office hours but you plan to arrive out of hours.
  • Check you are completely prepared to start your experiment by reading our 'Before arriving' page.


Other Useful telephone extension numbers include:

The Security Wardens at the Main Gate: 5545
RAL Medical Centre: 6666
Site emergency services: 2222

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