Workplace Hazardous Materials Information System
All containers in the chemical storage area in your science classroom, if you are in a school, have Workplace Hazardous Materials Information System WHMIS. This system is used across Canada in every workplace that uses chemicals. Each chemical comes with an information sheet that gives all the known data on its toxic effects and other hazards.
Look at the following WHMIS symbols. Make sure you can recall the symbol with its meaning.
Compressed
Gas
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Flammable and Combustible Material
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Corrosive Material
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Oxidizing Material
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Dangerously Reactive Material
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Poisonous and
Infectious Material Causing Other Toxic Effects
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Poisonous and
Infectious Material Causing Immediate and Serious Toxic Effects
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Biohazardous Infectious Material
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