What is essential to check when loading a cargo tank?

When loading a cargo tank, checking the structural integrity of the tank is crucial to ensure safety and compliance with regulations. The integrity of the tank refers to the condition of the tank itself, including any potential leaks, dents, corrosion, or weaknesses that could compromise its ability to safely contain the load. A compromised tank can lead to hazardous spills or accidents, endangering both the driver and the environment.

Ensuring that the tank is structurally sound allows for the safe transport of liquids, which is particularly important when those liquids are hazardous materials. Regular inspections and maintenance can help detect issues before they become significant problems, thereby reducing the risk of accidents during loading, transport, and unloading.

While the other options (surrounding traffic, air pressure in the tires, and volume of liquid in the tank) are important considerations in various driving and loading aspects, they do not directly address the immediate safety concerns associated with the tank itself during the loading process.