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Chemistry WHMIS and Safety

Chemistry WHMIS and Safety. Hazardous Material Symbols. Labels & Symbols are used to indicate hazardous materials. Why Symbols? They are universal All languages understand. What do these symbols mean?. 2 Sets of Symbols. HHPS (hazardous household product symbols)

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Chemistry WHMIS and Safety

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  1. ChemistryWHMIS and Safety

  2. Hazardous Material Symbols • Labels & Symbols are used to indicate hazardous materials. • Why Symbols? • They are universal • All languages understand

  3. What do these symbols mean?

  4. 2 Sets of Symbols • HHPS (hazardous household product symbols) • WHMIS (workplace hazardous material information system)

  5. HHPS - 4 Different Symbols = Poison = Flammable = Explosive = Corrosive

  6. HHPS – Degree of Danger = Caution = least dangerous = Warning = medium level danger = Danger = most dangerous

  7. Putting it all together…

  8. (WHMIS) • Used in all workplaces to indicate dangerous materials.

  9. WHMIS = Compressed Gas • May explode near heat or fire. Examples – aerosol cans, propane tank

  10. WHMIS = Flammable • May burst into flames. Examples – gasoline, natural gas

  11. WHMIS = Oxidizing Material • May explode when it comes in contact with combustible materials. Examples – bleach

  12. WHMIS = Corrosive Material • May cause eye and skin irritation or burns. Examples – battery acid, hydrochloric acid

  13. WHMIS = Dangerously Reactive • May cause severe reactions when exposed to water or heat. Examples – nitroglycerine (dynamite), potassium

  14. WHMIS = Poisonous & Infectious Materials – Immediate and Serious Toxic Effects • May cause death Examples – cyanide, arsenic

  15. WHMIS = Poisonous & Infectious Materials – Other Toxic Effects • May eventually cause death birth defects, cancer or sterility. Examples – lead, mercury

  16. WHMIS = Poisonous & Infectious Materials -Biohazardous Infectious Material • May cause an infectious disease Examples – coronavirus (SARS), HIV (AIDS)

  17. What is an MSDS? • Material Safety Data Sheet • Has more information on each individual chemical

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