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Chemistry WHMIS and Safety

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Presentation on theme: "Chemistry WHMIS and Safety"— Presentation transcript:

1 Chemistry WHMIS 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 = least dangerous = Warning
= 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 May cause severe reactions when exposed to water or heat.
= 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

18


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