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Oxygen Safety Level Calculator

Calculator

Room Dimensions
Length (metres)
Width (metres)
Height (metres)
   
Volume of Liquid Nitrogen (litres)
   
Result - Percentage oxygen in room
High Risk Area, Monitoring Essential
Instructions
Fill in the green boxes with the appropriate figures and read the percentage of oxygen remaining in the room in the result box.

Note
The calculator assumes that there is no fresh air being introduced to the room.

Any furniture and personnel would effectivly reduce the room volume, increasing the risk