Large amounts of compressed natural gas released into the atmosphere

Persona

Technologies

Technologies
Reference number
II-1216438-2021 (#22636)

Location: Vancouver

Regulated industry sector: Gas - Natural gas system

Incident overview

CNG station failed to empty four compressed natural gas cylinders during decommissioning. These cylinders were kept outdoors and were exposed to high ambient temperatures. The increase in temperature caused an increase in gas pressure and resulted in large amounts of gas being released into the atmosphere.