What number from the shipping papers do you typically need first to look up guidance in an emergency response guide?
Pick an answer
Correct!
Not quite. The correct answer is highlighted.
Correct answer to question 31 (Hazardous Materials): The material's identification (UN/NA) number
Why
The identification number on the shipping papers is what lets a responder or the guidebook quickly pin down exactly which material is involved, unlike tracking or plate numbers which say nothing about the hazard.
Updated: November 2026
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