National Fire Protection Association (NFPA) National Fire Protection Association (NFPA) Hazard Rating Diamond
Flammability Hazard Health Hazard Reactivity Hazard Special Hazard NFPA Diamond Hazard Rating 4 4Severe 3 3Serious 2 2Dangerous 1 1Minor 0Slight OX
Serious Flammability Hazard Rating 3 0 OX 1 Flammability Rating “3” rapidly vaporizes at normal temperature and pressure rapidly disperses into air burns readily 3 Includes: very flammable gases extremely volatile liquids dust that readily burns dust that explodes in air NFPA Flammability Rating
3 0 OX 1 Slight Health Hazard Rating Health Rating “0” exposure under fire conditions offer no hazard beyond that of combustible material 0 NFPA Health Rating
Reactivity Rating “1” materials must be preheated before ignition can occur includes most ordinary combustible materials 3 0 OX 1 Minor Reactivity Hazard Rating 1 NFPA Reactivity Rating
3 0 OX 1 Special Hazard Rating OX NFPA Special Rating Special Hazard Rating “OX” materials, on exposure under fire conditions, would offer no hazard beyond that of combustible material
What does this NFPA Diamond mean? 3 2 W 4