Diamond Hazard Sign

Exploding bomb flammable symbol.

Diamond hazard sign.

One or more pictograms might appear on the labelling of a single chemical. When used for traffic signs it is accompanied by a supplementary sign describing the hazard usually mounted under the exclamation mark. In europe this type of sign is used if there are no more specific signs to denote a particular hazard. The clp hazard pictograms are very similar to those used in the old labelling system and appear in the shape of a diamond with a distinctive red border and white background.

On roadside warning signs an exclamation mark is often used to draw attention to a generic warning of danger hazards and the unexpected. Signs for explosives are orange diamond shaped signs with a number 1. The nfpa diamond consists of four color coded fields. What do the big diamond shaped signs with red yellow and blue diamonds mean.

You may also see a w with a bar through it meaning use no water or the radiation hazard symbol for radioactive materials. The blue red and yellow fields which represent health hazard flammability and reactivity respectively use a numbering scale ranging from 0 to 4. Depending on the particular type of explosive the sign gets more specific with another number after the one which indicates the division within the class. Use seton s nfpa diamond classification chart to label chemicals as a fire hazard unstable specific hazard or health hazard to keep employees safe.

A value of 0 means that the material poses essentially no hazard whereas a rating of 4 indicates extreme. 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. Now you can drive around your neighborhood and get a glimpse into what is stored in all of the buildings. 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.

This standard presents a simple readily recognized and easily understood system of markings commonly referred to as the nfpa hazard diamond that provides an immediate general sense of the hazards of a material and the severity of these hazards as they relate to emergency response.