Safety Label System
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Features
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OSHA requires that workplaces have a labeling system in place for hazardous chemicals. The labels should be part of a larger hazard communication plan, which includes material data safety sheets and training. OSHA does not require a specific label system, only that one be in place.
Systems
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The National Fire Protection Agency (NFPA) has a label system that was designed for fire protection agencies. However, it is a useful system for any business that handles hazardous chemicals, according to the University of Oregon. The Hazardous Material Information System (HMIS) is a similar system also in use.
Labels
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Both systems use a label with color-coded areas. Blue signifies health, red is flammability and yellow is the reactivity of the chemical. Each color is given a number from 1 to 4, with 1 meaning no hazard and 4 meaning extreme hazard. A white bar is used to indicate protective equipment needed.
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