Hazardous Materials Sign 10" .040 Aluminum Sign - choose your unique numbers. Your Fire inspection report may have numbers required.
The National Fire Protection Association (NFPA) system uses a diamond-shaped diagram of symbols and numbers to indicate the degree of hazard associated with a particular chemical or material. To read more about NFPA ratings CLICK HERE for NFPA FAQ .
( In white diamond area) The special hazards in use are
W, which indicates unusual reactivity with water
and is a caution about the use of water in either fire fighting or spill control response, and
OX, which indicates that the material is an oxidizer.