Last updated 2025-09-23

Handle natural gas or propane leak

Steps to handle natural gas or propane leak suspected or detected on a vehicle.

When this applies

If a compressed natural gas (CNG) or liquid propane gas (LPG) leak is suspected or detected, do not start the vehicle. Remove the vehicle from the building immediately by manually pushing or towing it.

Gas leaks can be extremely hazardous due to the explosiveness of the material. Use extreme caution if you suspect or detect such a leak.

Procedure

Strictly enforce no-smoking regulations.
Open main vehicle doors using manual procedures.

Warning: Do not use electric motors, such as the power door lock features to unlock or open the doors.
Open all building doors that exit to the outside.
Advise the building superintendent to start up exhaust and ventilation fans using manual procedures.
Place ‘Danger Gas Leak’ sign on vehicle.
Remove vehicle to storage yard
- by manually pushing it, or
- by tow truck.
Important: Do not start the vehicle or any other vehicles in the vicinity of the gas leak.
Notify the Security and Safety Department at 604-982-6940.