Sept. 5 Class - WHMIS

Learning Goals: Become familiar with WHMIS

Success Criteria:

• You can identify the WHMIS warning symbols.
• You know what to do in case of accidents.

Handout: 

• WHMIS handout

Today we started discussing these WHMIS symbols:

You should be able to understand what they all mean.

Here are some videos we watched that show examples of some harmful chemicals:

-       Compressed gas: https://www.youtube.com/watch?v=mReuQCuJNQQ

-       Biohazard: https://www.youtube.com/watch?v=4sYSyuuLk5g

-       Oxidizing: http://www.youtube.com/watch?v=efdZkO3KXa8

-       Corrosive: https://www.youtube.com/watch?v=NddZ5ftQb0Q

-       Dangerously reactive: http://www.youtube.com/watch?v=h4pNXAtPJp8

Then we got into groups and acted out skits showing what to do in different situations.

Group A:

A student accidentally drinks a liquid marked as "POISONOUS".

What to do: Inform your teacher.  Call 911.

How to prevent: Never eat or drink in a lab.  Always check labels on containers.

Group B:

A student touches a frayed wire and is electrocuted.

What to do: Disconnect power source.  Do not touch the student!

How to prevent: Make sure all equipment is in good condition.

Group C:

A student is working with a powdered chemical and gets some in their eye.

What to do: Use emergency eye wash (15 minutes).

How to prevent: Wear goggles when handling potentially harmful substances.

Group D:

A student spills something on themselves marked as "CORROSIVE"

What to do: Remove piece of clothing that is contaminated.  Rinse area of skin under cool water.

How to prevent: Wear proper safety equipment (apron, gloves, etc.).  Keep lids on containers.

Group E:

A student is burnt by a hot plate.

What to do: Rinse area under cold water.

How to prevent: Wear protective gloves.  Be aware of surroundings.

** Any time an accident happens you must inform your teacher! **

Homework: 

• Answer the Analyze and Evaluate questions on the last page of the handout.  Questions (a) to (e).