Cryogenic Liquids

The typical cryogenic liquids in use at the University are Liquid Nitrogen and Liquid Helium.

The hazards associated with the handling and use of cryogenic liquids are:

• Asphyxiation due to oxygen depletion
• Cold Burns
• Cold effect on the lungs
• Ice-plug formation leading to high velocity ejection or container explosion
• Explosion of container due to rapid expansion
• Oxygen enrichment potentially increasing the fire hazard

For further information on the hazards, why they occur, and guidance on control measures to minimise the risk, please refer to the following University document .