WHMIS

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WHMIS

• Workplace Hazardous Materials Information System
• http//www.youtube.com/watch?vR7hIUhXnG-Q

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Questions

• 1. What does WHMIS stand for?
• 2. What is the purpose of WHMIS?
• 3. What information would you find on a WHMIS
  label?
• 4. Do all products and chemicals have WHMIS
  labels? Explain.

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Symbols, hazard and examples
Identify Symbol One Hazard Example
A
B
C
D
E
F
G
H
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1. What does WHMIS stand for?
Workplace Hazardous Materials Information System.
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2. What is the purpose of WHMIS?
It is an information system of special labels,
symbols and materials safety data sheets (MSDS)
for potentially dangerous chemicals used on a job.
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3. What information would you find on a WHMIS
label?
- Name of the Chemical - The WHMIS hazard
symbol - Risks and precautions - First aid
isntructions
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4. Do all products and chemicals have WHMIS
labels? Explain.
No, some products like pesticides and household
materials are covered by other legislation.
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Symbols, hazard and examples
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Safety in the Science Lab

• 1. Write 2 things you need to do/know before
  beginning any activity.
• 2. Write 10 General Safety Precautions (EX Never
  work alone).
• 3. Write 10 Safety Rules (EX No running).
• 4. Handling a Heat Source 3 things
• 5. Handling an Open Flame 3 things

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Before beginning any activity

• Know what is expected
• Prepare a clear work environment
• Wait for permission to start
• Whenever special attention is needed in a
  Lab activity you will see the word Caution (This
  means that special care must be taken when
  proceeding with this activity).

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General Safety Precautions

• Work quietly and carefully
• Never work alone
• Wear appropriate clothing
• Wear safety equipment
• Inform your supervisor of health-related
  problems, allergies
• Never eat or drink In the Lab area
• Touch substances only when told to do so

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General Safety Precautions
Smell substances using the proper technique
(wafting fumes toward you) Pour substances
properly and safely Rinse off substances
immediately that come into contact with skin or
clothing Wash hands after handling
substances and before leaving the Lab Clean
up all spills Immediately Dispose of
harmful substances by following teacher's
directions
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Safety Rules

• Do not perform unauthorized experiments.
• Report all accidents immediately to your
  teacher.
• Wear chemical splash goggles.
• Wear a chemical resistant apron.
• Wear chemical resistant gloves.
• Tie back long hair.
• Do not wear loose sleeves.
• Do not wear shorts.
• Do not wear sandals.

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Safety Rules

• Do not wear contact lenses.
• No food or beverages.
• No gum chewing.
• Do not leave experiments unattended.
• Know the location of all of the science lab
  safety equipment, exits and telephone.
• No running.
• Keep aisles clear.
• Extinguish burners when away from desk

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Handling Heat Source

• Use hot plates that have thermostatic controls.
• Use a beaker of water on a hot plate to heat
  substances In test tubes.
• Use heat-resistant glass (Pyrex or Kimax) - never
  use cracked glass.
• Always keep the open end of the test tube pointed
  away from everyone.
• Never allow any container to boil dry.
• Use gloves to pick up hot objects.
• Turn off hot plate when not In use.

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Handling Open Flame

• Locate fire safety equipment before using
  any open flame (fire blanket, fire extinguishers,
  fire alarm, first-aid kit)
• Remove all flammable substances from the
  room before lighting a flame
• Use a test tube holder if the test tube Is
  being heated in an open flame
• Point the open end away from yourself and
  others
• Gently move the test tube back and forth
  over the flame so that it is heated evenly