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- H&S policies and guidance
Purchase and installation of lasers
A central register of lasers is maintained by the University Radiation Protection Service. In order that this may be kept up-to-date, the University Radiation Protection Officer (URPO) must be advised IN WRITING of the arrival of any new laser, and its situation, by the College Laser Safety Officer. The URPO will wish to inspect the installation of any newly-acquired or re-sited laser of class 3B or 4.
Any laser manufactured on the University premises must be reported to the URPO before it is made operational, and again when it becomes operational, so that it may be entered on the inventory, and its output and labelling checked.
Before any new laser experiment is performed, or new laser of class 3B or 4 taken into use, a full Hazard and Risk Assessment must be made, and the successful completion of this must also be confirmed to the URPA.
All lasers must bear warning labels, and it is the responsibility of the purchaser or maker to ensure that these are affixed. The University Radiation Protection Service can advise and provide labels where necessary. The required labels are:
- A "Triangle and Starburst" label.
- A label stating the class of laser.
- A label listing any hazards associated with the radiation.
- A label detailing the output of the laser (wavelength, visible/invisible, etc)
- A label indicating (preferably with an arrow design) the laser aperture.
The door of any laboratory where a laser of class greater than 1 is installed for use must bear a "Triangle and Starburst" warning label. If a laser of class 3B or 4 is installed for use, this warning label must in addition bear the legend, "DANGER, laser beam", and the door must bear a notice stating the class of laser present.
No warning label is required on the door of any room where a laser of class 1 or 2 is in use temporarily for setting-up, alignment or demonstration purposes. However, all normal precautions must be taken to avoid accidental exposure of any eye to the beam.
