Hazmat Diamond Colors

The diamond is divided into four color coded squares each which conveys information about specific hazards present in the area.

Hazmat diamond colors.

Blue red yellow and white. Before 2002 the fire diamond and the color bar both had sections colored blue red white and yellow. 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. A value of 0 means that the material poses essentially no hazard whereas a rating of 4 indicates extreme.

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. The nfpa diamond consists of four color coded fields. Nfpa diamond hazmat. It is a standard hazard rating system which provides a readily recognized easily understood system for identifying specific hazards and their severity using spatial visual and numerical methods to describe in simple terms the relative.

Grainger s got your back. Easy online ordering for the ones who get it done along with 24 7 customer service free technical support more. 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.