If a lavatory service truck's vacuum system malfunctions, resulting in a spill on the ramp, immediate and specific actions must be taken to mitigate the health hazard and environmental contamination. The first action is to immediately cease the lavatory servicing operation. Disconnect the vacuum hose from the aircraft to prevent further spillage. Next, activate the truck's emergency shut-off system to stop the vacuum pump and prevent additional leakage from the truck's holding tank. Immediately alert airport authorities, ground control, and the aircraft's flight crew. Provide specific details about the spill, including the location, estimated volume, and potential impact o....
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