White Diamond Hazard Sign

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

White diamond hazard sign.

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. Standard system for the identification of the hazards of materials. 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. The numbers 0 to 4 are also used to rank reactivity hazards as follows. The white diamond appearing at the bottom of the label conveys special hazard information. A dangerous when wet sign which is blue indicates that a material could suddenly become flammable or emit toxic gas if exposed to water.

Blue red yellow and white. The blue red and yellow fields which represent health hazard flammability and reactivity respectively use a numbering scale ranging from 0 to 4. The half white half red sign indicates that a material could spontaneously combust. For example in the reactivity area.

The red and white striped sign indicates a flammable solid. 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 yellow diamond appearing at the right side of the label conveys reactivity or stability 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.