Transcript WHMIS and HHPS ppt

LAB SAFETY GUIDELINES:
Rules to follow while in the laboratory
Overview for Today
Thursday February 7, 2013:
• KWL Activity
• WHMIS Symbols
• Rules to follow in the Lab
• Activity Sheet (Homework)
KWL Activity
Using a separate sheet of paper divide three
columns as followed:
K – What you already know
W – What you want to know
L – What you have learned from this lesson.
WHMIS SYMBOLS
Workplace
Hazardous
Materials
Information
System
COMPRESSED GAS
• Contents are under
pressure.
• Do NOT puncture or store it
near a heat source
• Examples:
- Propane Canisters
- Oxygen Tanks
- Aerosol Containers
FLAMMABLE &
COMBUSTIBLE
• Contents will catch on fire if
ignited.
• Keep away from flames
• Examples:
- Gasoline
- Butane
- Aerosol Canisters
OXIDIZING MATERIAL
• Contain oxygen and
increase the risk of fire.
• Examples:
- Hydrogen Peroxide
- Potassium Permanganate
POISONOUS &
INFECTIOUS: ACUTE
• Can cause death if exposed
to in small amounts.
• Examples:
– Cyanide
– Chlorine Gas
POISONOUS &
INFECTIOUS: CHRONIC
• Can cause long term health
effects.
• Examples:
– Asbestos
– Lead
– Mercury
POISONOUS &
INFECTIOUS: BIOHAZARD
• Variety of chemicals which
can cause harm to person.
• Examples:
- Medical Waste
- Sewage
- Decaying matter
CORROSIVE MATERIALS
• Can burn skin and eyes.
• Examples:
- Bleach
- Toilet bowl cleaners
- Sulphuric Acid
REACTIVE MATERIALS
• Can react with water to form
noxious gases.
• Examples:
- Picric Acid
- TNT
REVIEW
HHPS SYMBOLS
Rules to Follow in Lab
Labs allow us to see practical results of what we are
learning in class.
They can be fun and very intellectually
stimulating…
• Or they can result in injury if the set rules are not
followed!
REVIEW LAB SAFETY
GUIDELINES - HANDOUT
• General, Chemical, Glassware,
Clothing, Behaviour, Spills, Tubing,
Centrifuge, Thermometer, Bunsen
Burner, Emergency Equipment, Waste
• Tour the Science lab and get
acquainted with the safety
apparatuses located around the lab.
HOMEWORK
Find 3 – 5 different items in your household
illustrating the various WHMIS and HHPS symbols.
Questions?