National Fire Protection Association (NFPA) Hazard Rating Diamond Flammability Hazard - RED NFPA Diamond Health Hazard - BLUE Hazard Rating 4 Severe 3 Serious 2 Dangerous 1 Minor 0 Slight OX Special Hazard.
Download ReportTranscript National Fire Protection Association (NFPA) Hazard Rating Diamond Flammability Hazard - RED NFPA Diamond Health Hazard - BLUE Hazard Rating 4 Severe 3 Serious 2 Dangerous 1 Minor 0 Slight OX Special Hazard.
National Fire Protection Association (NFPA) Hazard Rating Diamond Flammability Hazard - RED NFPA Diamond Health Hazard - BLUE Hazard Rating 4 Severe 3 Serious 2 Dangerous 1 Minor 0 Slight 3 0 OX 1 Special Hazard WHITE Reactivity Hazard YELLOW Serious Flammability Hazard Rating Flammability Rating “3” 3 30 1 OX • rapidly vaporizes at normal temperature and pressure • rapidly disperses into air • burns readily Includes: • very flammable gases • extremely volatile liquids • dust that readily burns • dust that explodes in air Slight Health Hazard Rating • Health Rating “0” 3 00 1 OX • exposure under fire conditions offer no hazard beyond that of combustible material Minor Reactivity Hazard Rating Reactivity Rating “1” 3 10 1 OX • materials must be preheated before ignition can occur • includes most ordinary combustible materials Special Hazard Rating Special Hazard Rating “OX” 3 OX0 OX 1 • materials, on exposure under fire conditions, would offer no hazard beyond that of combustible material What does this NFPA Diamond mean? 3 4 2 W White – Special Hazard The white "special notice" area can contain several symbols. The following symbols are defined by the NFPA 704 standard: • W: reacts with Water in an unusual or dangerous manner (e.g., caesium, sodium) • OX or OXY: Oxidizer (e.g., potassium perchlorate, ammonium nitrate) • SA: Simple asphyxiant gas (includes nitrogen, helium, neon, argon, krypton, or xenon) Non-standard symbols: Note: These symbols are not part of the NFPA 704 standard, but occasionally used in an unofficial manner. The use of non-standard symbols or text may be permitted, required or disallowed by the authority having jurisdiction (e.g., fire department). • COR: Corrosive; strong acid or base (e.g. sulfuric acid, potassium hydroxide) – ACID and ALK to be more specific. • BIO: Biological hazard (e.g., smallpox virus) • POI: Poisonous (e.g. Spider Venom), • (the Radioactive trefoil): is radioactive (e.g., plutonium, uranium) • CRY or CRYO: Cryogenic (e.g. Liquid Nitrogen)