Download - Hazard label 2013
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Lab Safety
Hazard Label
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The National Fire Protection Association (NFPA) has developed a system to indicate the health, flammability, and reactivity hazards of chemicals. In addition, a special precaution symbol may be used.
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Hazard Labels
• The NFPA’s hazard labels are shaped like diamonds. The top section reveals the flammability of a substance. The left section indicates a substance’s health hazards. The right section tells how reactive a substance is with other substances.
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Flammability
Health
Reactive
Special Hazard Information
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Hazard Label
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Hazard Label
4- Extreme Hazard
3- Serious Hazard
2- Moderate Hazard
1- Slight Hazard
0- Minimal Hazard
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• Numbers ranging from 0 to 4 are recorded in each of the top three diamonds to indicate how dangerous a substance is. A four is the most dangerous, while zero is the least dangerous.
• The bottom section is for special hazard information. It may be empty, but some symbols that can appear in this section are:
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Poisonwww.labeline.com
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Corrosivewww.Labeline.com
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Reacts with watersafety.science.tamu.edu
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Lasers being usedsafety.science.tamu.edu
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Goggles neededwww.le.ac.uk
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Biohazardsafety.science.tamu.edu
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Radioactivesafety.science.tamu.edu
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Flammablesafety.science.tamu.edu
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Cancer Causingsafety.science.tamu.edu
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Electric Shock Warningsafety.science.tamu.edu
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safety.science.tamu.edu
Reacts with oxygen to form compounds such as oxides.
Why might this be dangerous?
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Explosion Hazardsafety.science.tamu.edu