Fire Diamond Hazard Sign

The nfpa diamond consists of four color coded fields.

Fire diamond hazard sign.

Each color code blue red and yellow of the hazard rating system corresponds to a hazard. These signs can be found on reagent bottles gas tanks vehicles that transport chemicals and doors to rooms containing certain. On roadside warning signs an exclamation mark is often used to draw attention to a generic warning of danger hazards and the unexpected. Health fire and instability denotation or chemical change.

Nfpa 704 sometimes is called a fire diamond because the diamond shaped sign indicates flammability of a substance and also communicates essential information about how emergency response teams should deal with a. The national fire protection association nfpa in the united states uses a standard called nfpa 704 as a chemical hazard label. The diamond is divided into four color coded squares each which conveys information about specific hazards present in the area. The four divisions are typically color coded with red on top indicating flammability blue on the left indicating level of health hazard yellow on the right for chemical reactivity and white containing codes for special hazards each of health flammability and reactivity is rated on a scale from 0 no hazard to 4 severe hazard.

Within each colored section a numerical rating is given to the hazard. The top square is red and describes flammability hazards the leftmost square is blue and describes health hazards and the rightmost square is yellow and describes reactivity hazards. Nfpa fire diamonds ghs symbols safety data sheets sds the nfpa national fire protection association 704 or nfpa diamond is the standard for the identification of hazardous materials and emergency response. Blue means health red means flammability yellow means instability and.

The ratings range from 0 to 4. A rating of 4 is the highest. The national fire protection agency has a system for letting emergency responders know what sorts of hazards a substance presents when there is a fire or chemical spill. Nfpa diamond signs are available in a large variety of sizes and materials such as highly durable 040 rust free aluminum 055 polyethylene plastic and 030 magnetic sheeting.

In europe this type of sign is used if there are no more specific signs to denote a particular hazard. The nfpa diamond provides a quick visual representation of the health hazard flammability reactivity and special hazards that a chemical may pose during a fire. This diamond includes four sections with different colors that bear their own meanings.