What is does a hazardous placard on a tanker mean?

A hazardous placard on a tanker indicates the presence of dangerous materials being transported, providing essential information about the type of hazard. These placards use specific colors and symbols to communicate risks such as flammability, toxicity, or corrosiveness. They are crucial for emergency responders to assess potential dangers and take appropriate safety measures in case of an accident or spill. Additionally, these labels help ensure compliance with safety regulations during the transportation of hazardous substances.