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A liquid nitrogen spill occurred at a liquid nitrogen gas fuelling station, resulting in the suffocation of 4 workers/facility commissioners.
The spill occurred during the offloading of liquid nitrogen into the storage tank for the commissioning process. The liquid outlet valve was opened accidentally resulting in a large release of liquid nitrogen. Multiple workers/commissioners ran into the bunded/diked tank farm area consecutively, trying to close the valve. This resulted in 4 fatalities due to nitrogen asphyxiation.