Health (blue) 0
Flammability (red) 1
Reactivity (yellow) 0
The number 4 on the NFPA 704 placard indicates the highest hazard in any of the three categories (health, fire, reactivity).
It is a DOT hazardous materials placard indicating compressed oxygen.
Explosives
This is the UN Identification Number.
symbol, UN hazard class number, color, UN identification number
If you have the title, the VIN is on there. Or, if you have a tag or insurance the DVM or the Insurance company has it on file.
It is the memory capacity of the storage unit.
What is mindless behavior real. Number
The DOT placard for organic peroxides is a yellow diamond with "ORGANIC PEROXIDE" lettering and the hazard identifying number "5.2" on it. The revised international version is red on top, yellow on the bottom, with a stylized flame symbol in the red and the numbers 5.2 in the yellow.
UN/NA identification number, the name of the material, or a placard
Shipment contains a mixed load of hazardous materials
Material Number Quantity Storage Location