Evacuate the people from the polluted area to the safety zone and isolate them, and strictly restrict the entry and exit. It is suggested that the emergency treatment personnel wear self-contained positive pressure respirator and wear antivirus clothes. Cut off the leakage source as much as possible. If it's a liquid.
Small leakage: rinse with a large amount of water, wash the water and dilute it into the wastewater system.
A large leak: construct a barrierpit to contain. The pump is transferred to a tank or a special collector to be recovered or transported to the disposal site of waste disposal. If it is a solid, a clean shovel is collected in a dry, clean, covered container. If a large amount of leakage is made, collection and recovery are collected or transported to the disposal site of waste disposal.