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National Fire Protection Association (NFPA) Hazard Rating Diamond

National Fire Protection Association (NFPA) Hazard Rating Diamond. Special Hazard. Hazard Rating Severe Serious Dangerous Minor 0 Slight. Flammability Hazard. Health Hazard. 3. 1. 0. Reactivity Hazard. NFPA Diamond. OX. Serious Flammability Hazard Rating. 3. 1. 0. 3. OX.

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National Fire Protection Association (NFPA) Hazard Rating Diamond

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

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

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

  5. 3 1 0 1 OX Minor Reactivity Hazard Rating NFPA Reactivity Rating Reactivity Rating “1”• materials must be preheated before ignition can occur• includes most ordinary combustible materials

  6. 3 1 0 OX OX 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? 3 4 2 W

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