NFPA 704 Placard
The color BLUE represent this.
What is Health?
This Hazard Class is depicted using a skull and cross bones.
What is Class 6- Poisons?
1203.
What is gasoline (or petrol or motor spirit)?
Our CO meters alarm at this.
What is 35ppm?
The color RED represents this.
What is Fire Hazard?
A broken flask distinguishes this class.
What is Class 8- Corrosives.
3090.
Our HCN meters alarm at this.
What is 4ppm?
NOT 6...7... the rating for NFPA 704 only goes this high.
What is 4.
This is not a fan, the black "trefoil" image on a yellow black ground signifies this.
What is class 7-Radioactive?
1002.
What is air, compressed?
Methane will do this in ambient air.
Don't use this, notated by a capital "W" with a slash through it.
What is water?
Number one in my book, this placard is orange with black lettering.
What is Explosives?
2790.
What is Acetic Acid?
Propane, when released, does this in ambient air.
What is sink?
Special Hazards are noted in this color box.
What is white?
This symbol can be used for class 2-oxygen or class 5 for oxidizer, but please don't try to jump through it.
What is a flaming "O"?
9260.
What is Aluminum, molten?
Assistant Chief of Special Operations that is looking forward to your application form.
Who is Chief Vickery?