White Diamond Hazard Sign

The red and white striped sign indicates a flammable solid.
White diamond hazard sign. This information is conveyed by use of symbols that represent the special. For example in the reactivity area. Standard system for the identification of the hazards of materials. Each of health flammability and reactivity is rated on a scale from 0 no hazard to 4 severe hazard.
Oxidizer and organic peroxide. 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. A value of 0 means that the material poses essentially no hazard whereas a rating of 4 indicates extreme. 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 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. The white diamond appearing at the bottom of the label conveys special hazard information. The half white half red sign indicates that a material could spontaneously combust. This class includes two divisions.
A dangerous when wet sign which is blue indicates that a material could suddenly become flammable or emit toxic gas if exposed to water. Before 2002 the fire diamond and the color bar both had sections colored blue red white and yellow. Blue red yellow and white. The yellow diamond appearing at the right side of the label conveys reactivity or stability information.
The nfpa diamond consists of four color coded fields. 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.