1. National Fire Protection Association (NFPA) Hazard Rating Diamond

2. 3 1 OX NFPA Diamond Flammability Hazard Reactivity Health Hazard1
Health Hazard
Reactivity
Hazard
NFPA Diamond OX
Hazard Rating
Severe
Serious
Dangerous
Minor
0 Slight
Special Hazard

3. 3 3 1 OX Serious Flammability Hazard Rating Flammability Rating “3”OX 1
Flammability Rating “3”
• rapidly vaporizes at normal temperature and pressure
• rapidly disperses into air
• burns readily
NFPA
Flammability Rating 3
Includes:
• very flammable gases
• extremely volatile liquids
• dust that readily burns
• dust that explodes in air

4. Slight Health Hazard Rating
NFPA Health Rating 3 OX 1
Health Rating “0” • exposure under fire conditions offer no hazard beyond that of combustible material

5. NFPA Reactivity Rating
Minor Reactivity Hazard Rating
NFPA Reactivity Rating 3 OX 1 1
Reactivity Rating “1” • materials must be preheated before ignition can occur • includes most ordinary combustible materials

6. OX 3 1 OX Special Hazard Rating NFPA Special RatingOX 1
Special Hazard Rating “OX”
• materials, on exposure under fire conditions, would offer no hazard beyond that of combustible material OX

7. What does this NFPA Diamond mean? 32 4 W