National Fire Protection Association NFPA Hazard Rating Diamond

1
National Fire Protection Association
(NFPA)Hazard Rating Diamond
2
Health Hazard
Flammability Hazard
3
1
0
Reactivity Hazard
NFPA Diamond
OX

• Special Hazard

3
Flammability Rating 3 rapidly vaporizes at
normal temperature and pressure rapidly
disperses into air burns readily
NFPA Flammability Rating
Includes very flammable gases extremely
volatile liquids dust that readily burns dust
that explodes in air
4
Slight Health Hazard Rating
Health Rating 0 exposure under fire
conditions offer no hazard beyond that of
combustible material
5
Minor Reactivity Hazard Rating
NFPA Reactivity Rating
Reactivity Rating 1 materials must be
preheated before ignition can occur includes
most ordinary combustible materials
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Special Hazard Rating
NFPA Special Rating
Special Hazard Rating OX materials, on
exposure under fire conditions, would offer
no hazard beyond that of combustible
material
7
What does this NFPA Diamond mean?
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