Smaller diamonds may be found on individual containers. NFPA 704 placards are divided into four colored quadrants, or four "mini" diamonds within the larger diamond. The upper quadrant at the "12 ...

For hazardous materials teams, the NFPA 704 placard is the initial building block of an emergency response plan. "There are times that the initial call may be a complaint that only gets an EMS ...

First responders should become familiar with the U.S. Department of Transportation (DOT) hazard classes for hazardous materials and the placards and labels used to identify those hazards.