The Hamzat team said liquid nitrogen is considered non-flammable and non-toxic. Therefore, the team decided to open a valve to bleed off excess pressure from the tank before closing it.

Dry Ice, Liquid Nitrogen, Compressed Gases, Gas Tank regulators and valves are available through Procurement and Payment Services' Lab Gas Program: Lab Services monitors the quantities and locations ...

Emergency crews responded to a liquid nitrogen leak at a food ... Crews opened a valve to remove excess pressure from the tank, and when the pressure was at an acceptable level, the device was ...