Diamond Hazard Sign

A value of 0 means that the material poses essentially no hazard whereas a rating of 4 indicates extreme.

Diamond hazard sign.

Use seton s nfpa diamond classification chart to label chemicals as a fire hazard unstable specific hazard or health hazard to keep employees safe. When used for traffic signs it is accompanied by a supplementary sign describing the hazard usually mounted under the exclamation mark. Blue red yellow and white. What do the big diamond shaped signs with red yellow and blue diamonds mean.

Exploding bomb flammable symbol. One or more pictograms might appear on the labelling of a single chemical. 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.

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. 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. On roadside warning signs an exclamation mark is often used to draw attention to a generic warning of danger hazards and the unexpected.

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. Signs for explosives are orange diamond shaped signs with a number 1. 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. The blue red and yellow fields which represent health hazard flammability and reactivity respectively use a numbering scale ranging from 0 to 4.

In europe this type of sign is used if there are no more specific signs to denote a particular hazard.