By reading the placard on a tanker bearing hazardous materials, you can find out the identity of the hazardous material, the amount being transported, and the emergency contact information.
In the Incident Command System, identity of the hazardous material, the amount being transported, and the emergency contact information are vital information for first responders to quickly assess the risks and determine the appropriate response strategies, as it provides immediate insight into the potential dangers and necessary precautions. The placard’s identification number, often a North American (NA) or United Nations (UN) ID number, is a key element in the DOT’s Emergency Response Guidebook, which guides emergency personnel in handling hazardous materials incidents.
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