In terms of propane safety, what is the primary hazard associated with leaks?

The primary hazard associated with propane leaks is the risk of fire and explosion. Propane is a flammable gas that can form explosive mixtures with air. When a leak occurs, the gas can accumulate in enclosed spaces or near ignition sources, significantly increasing the chances of an explosion or fire. Propane's flammability means that even a small leak can lead to dangerous situations if it reaches an ignition source, such as a spark or flame.

While skin irritation, environmental contamination, and health effects are valid concerns associated with various chemicals and gases, they do not pose the immediate threat that an explosive atmosphere does when propane is leaked. Therefore, the emphasis on fire and explosion risk directly highlights the critical safety protocols that must be followed when handling propane to prevent these severe hazards.