What should be done if the torch operator has spare oxygen or gas?

When dealing with spare oxygen or gas in the context of torch operations, proper storage is crucial for both safety and compliance with regulations. Storing it outdoors is a safety measure that mitigates the risks associated with flammable gases and high-pressure cylinders. Keeping gas cylinders outdoors helps ensure good ventilation and reduces the chances of gas accumulation in enclosed spaces, which can pose a fire or explosion risk.

This practice aligns with safety standards that dictate the need for proper ventilation and temperature control when handling combustible materials. Ensuring that the storage location is away from potential sources of ignition and in a secure area can further enhance safety.

The other options suggest actions that do not align with the best practices for handling spare gases. Immediate checks for leaks and proper disposal are important actions but are not relevant in the context of storing spare materials. A locked safe, while useful for preventing unauthorized access, does not adequately address the safety concerns related to the storage of high-pressure gases in terms of ventilation and environmental safety.