Hazardous Materials Management System Practice Test

Which mark on an intermodal portable tank indicates the standards to which the tank was built?

Manufacturer mark Owner mark Test pressure mark Specification mark

Correct Answer:

Specification mark

Explanation:

The mark that shows the standard the tank was built to is the specification mark. This symbol identifies the exact design standard and, often, the revision year used during construction, so inspectors and shippers know which rules apply to the tank's design, construction, and performance. This helps confirm the tank meets the appropriate safety criteria for transporting hazardous materials across different modes and borders. The other marks serve different purposes but don’t indicate the design standard. The manufacturer mark tells who built the tank, the owner mark indicates ownership, and the test pressure mark shows the hydrostatic test pressure the tank underwent.

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