Final answer:
Tankers used to transport hazardous materials must be marked with proper signage and labels to ensure safety and compliance with regulations.
Step-by-step explanation:
Tankers used to transport hazardous materials on vehicles must be marked with proper signage and labels. This is to ensure that emergency responders and individuals handling the tankers can identify the nature of the materials being transported and take appropriate safety measures.
The United States Department of Transportation (DOT) has specific regulations governing the marking and labeling of hazardous materials. These regulations include guidelines on the size, color, and visibility of the markings. The purpose of such markings is to prevent accidents, protect human health, and minimize environmental impact.
In addition to DOT regulations, the Environmental Protection Agency (EPA) also has hazardous waste regulations that apply to the transportation of hazardous materials. These regulations may include additional requirements for marking and labeling hazardous waste tankers.