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"UN/NA numbers (the four digit number) found on bulk placards refer to specific chemicals or groups of chemicals and are assigned by the United Nations and/or the United States Department of Transportation." from http://environmentalchemistry.com/yogi/hazmat/placards/
Link also has a way to look up the numbers to find out what the cargo is. List is way too long to get into here.
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∙ 14y ago
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What does a spontaneously combustible placard stand for?
self heating or pyrophoric materials
What is a yellow placard with a number 2 on a truck?
It is a DOT hazardous materials placard indicating compressed oxygen.
Placard with a blast and number 1 on the bottom?
Explosives
The four digit identification number on the placard or orange panel is the?
This is the UN Identification Number.
What is the antonym for placard?
The word placard (noun meaning a sign, a notice, an advertisement) has no direct antonym; the closest would be 'without placard' or 'placard-less'.
What is a sentence for placard?
The placard on the wall displayed the museum's latest exhibition information.
What are the four sections of the DOT placard?
symbol, UN hazard class number, color, UN identification number
What is the highest degree of a hazard identified in the diamond on the NFPA placard?
The number 4 on the NFPA 704 placard indicates the highest hazard in any of the three categories (health, fire, reactivity).
Is placard masculine or feminine?
In French, "placard" is masculine.
Can you put placard in a sentence?
the placard have been posted everywhere.
What does esafety stand for?
electronic safety
How do you use the word placard in a sentence?
placard means a poster for public display. Example: there was no placard outside.
