Handling of LPG tank leaks

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Handling of LPG tank leaks: Leaks are mostly caused by damaged valves on the tank or by an accidental extinguishment of an open flame during use. In the event of a gas leak, firefighting commanders should follow the principles of \"shutting off the valves to cut off the gas supply, controlling the fire source, dispersing and evacuating the area, and preventing explosions\". 　1. Cut off the gas supply: This can be done by closing the valves to prevent further gas leakage; if the valves are damaged, a wet sheet can be wrapped around the leaking area. 　2. Dispersal and evacuation: While taking measures to seal leaks, doors and windows should be opened to allow the gases inside to escape. However, ordinary non-explosion-proof exhaust fans should not be used; if the amount of leakage is large, water guns with a spray function can be employed to disperse the remaining gases. 　3. Evacuation and containment: If the amount of leakage is significant, unnecessary personnel should be evacuated, a containment area should be established, and a dedicated person should be assigned to oversee it. 　4. Lift the alert: Extinguish all sources of fire in the diffusion area, turn off non-explosion-proof communication equipment. Those entering the LPG diffusion area should move carefully and avoid wearing shoes with nails. Any electrical appliances that are already turned on should remain in that state; do not turn them on or off.