White Diamond Hazard Sign

Oxidizer and organic peroxide.

White diamond hazard sign.

The hazardous materials diamond is a hazard communication system used to help emergency personnel quickly identify the risks posed by hazardous materials within a given worksite. Standard system for the identification of the hazards of materials. The numbers 0 to 4 are also used to rank reactivity hazards as follows. A value of 0 means that the material poses essentially no hazard whereas a rating of 4 indicates extreme.

The red and white striped sign indicates a flammable solid. Its use is defined by the national fire protection association s standard 704 titled nfpa 704. For example in the reactivity area. Each of health flammability and reactivity is rated on a scale from 0 no hazard to 4 severe hazard.

After april 2002 with the release of hmis iii yellow in the color bar which stood for reactivity was replaced by orange standing for physical hazard. The white diamond appearing at the bottom of the label conveys special hazard information. The nfpa diamond consists of four color coded fields. Before 2002 the fire diamond and the color bar both had sections colored blue red white and yellow.

This class includes two divisions. White specific hazard the numbers in the first three areas range from 0 to 4 with 0 signifying no hazard and 4 signifying a severe hazard. This information is conveyed by use of symbols that represent the special. 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.

Blue red yellow and white. The half white half red sign indicates that a material could spontaneously combust.