NFPA Special Precaution Symbols
NFPA Rating - The National Fire Protection Association (NFPA) has developed a system for indicating the health, flammability, and reactivity hazards of chemicals. In addition, a special precaution symbol may be used where necessary. The following are special precaution symbols which may be found in addition to the NFPA chemical hazard diamond.
Flammable!
Explosive!
Corrosive!
Poison!
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