Teacher Notes
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NFPA Chemical Hazard CodesNotes
Publication No. 10498
IntroductionThe National Fire Protection Association (NFPA) is a professional firefighters organization that works to prevent the loss of life and property from fire. NFPA has developed regulations, guideline, and procedures to prevent fires, protect individuals during fires, reduce losses due to fires, and how to respond to emergency situations. NFPA has developed a standard system, called the NFPA chemical hazard codes, for classifying the health, flammability, and reactivity hazards of chemicals during an emergency situation. A standard label called the NFPA chemical hazard label has also been developed to be used by chemical manufacturers. {10498_Introduction_Figure_1_NFPA chemical hazard label}
DiscussionGeneral NFPA Rating Summary 4 Danger May be fatal on short exposure. Specialized protective equipment required. 4 Danger Flammable gas or extremely flammable liquid. 4 Danger Explosive material at room temperature. W Water Reactive NFPA chemical hazard codes are found on many labels and are sometimes required on storage room doors. The NFPA hazard codes and the NFPA chemical hazard label are used by firefighters to warn them of hazards during an emergency situation. They are not intended as a guide for workplace exposure or for relative toxicity levels. Flinn At-A-Glance codes, HMIS codes or Safety Data Sheets (SDSs) are better suited as guides for workplace and classroom hazards. Recommended Products |