NFPA classification

National Fire Protection Agency (NFPA) Hazard Identification Rating System, the familiar NFPA "hazard diamond" for health, flammability, and instability. This identification system is designed to inform first responders. Additional information needs to be provided on the container label to meet the requirements of the Hazard Communication Standard. The NFPA web site provides access to detailed information about NFPA codes and standard: http://www.nfpa.org/.