NFPA and HMIS Warning Labels

Chemical manufacturers, importers and distributors must ensure that each container of hazardous chemicals leaving their workplace is labeled, tagged, or marked with the following information  

Employers must ensure that each container of hazardous chemical in their workplace is labeled, tagged, or marked to identify the chemical and its specific hazards. Hazard warning labels must remain on the container even when empty until the container has been cleaned and purged. There are exceptions to the labeling requirements just discussed. For instance, labels are not required for  

There are several forms of warning labels available that provide information about the hazards of chemicals in the workplace. Two of the most commonly used are the Hazardous Material Identification System (HMIS) warning label and the National Fire 

Protection Association (NFPA) warning label. These labels are applied to vessels and other containers to identify specific hazards—flammability, health, reactivity, etc.— associated with the chemical contents. 

The HMIS label has a white space at the bottom of the label where PPE is specified. 

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