1. Workplace Hazardous Materials Information System (WHMIS) and Laboratory Safety

2. WHAT IS WHMIS?? A Canadian-wide Information System
Designed to protect the worker
Provides information about hazardous materials
Provides workers with the right to be informed

3. “No employer may allow the use, handling or storage of a Controlled Product in a workplace unless the product carries a label and a material safety data sheet which meet the requirements of this Act and the regulations and unless the worker has received the training and information required to carry out the work entrusted to him safely”. IT’S THE LAW!!!!

4. Main Elements of WHMIS
LABELS
MSDS
TRAINING

5. LABELS
Supplier
Workplace
Laboratory

6. Supplier Labels On all containers received from a commercial supplier
Have a dark hatch-mark boarder
Different color from the rest of container
In English and French

7. Pictograms on Supplier Labels

8. CLASS A: Compressed Gas
Gas inside cylinder is under pressure
The cylinder may explode if heated or damaged
Sudden release of high pressure gas streams may puncture skin and cause fatal embolism
Precautions:
Transport and handle with care
Make sure cylinders are properly secured
Store away from sources of heat or fire
Use proper regulator

9. Flammable and Combustible Material
CLASS B:
Flammable and Combustible Material
Store away from Class C (oxidizing materials)
Store away from sources of heat, sparks and flame
Do not smoke near these materials

10. CLASS C: Oxidizing Materials
Can cause other materials to burn or explode by providing oxygen
May burn skin and eyes on contact
Precautions:
Store away from Class B (flammable and combustible) materials
Store away from sources of heat and ignition
Wear the recommended protective equipment and clothing

11. CLASS D: Controlled Products
Division 1:
Materials Causing Immediate and Serious Toxic Effects
Division 2:
Materials Causing Other Toxic Effects
Materials Causing Immediate and Serious Toxic Effects:
May cause immediate death or serious injury if inhaled, swallowed, or absorbed through the skin
Avoid inhaling gas or vapours
Avoid skin and eye contact
Wear the recommended protective equipment and clothing
Do not eat, drink or smoke near these materials
Wash hands after handling
Materials Causing Other Toxic Effects:
May cause death or permanent injury following repeated or long-term exposure
May irritate eyes, skin and breathing passages: may lead to chronic lung problems and skin sensitivity
May cause liver or kidney damage, cancer, birth defects or sterility
Biohazardous Infectious Materials
Contact with microbiological agents (e.g., bacteria, viruses, fungi and their toxins) may cause illness or death
Work with these materials in designated areas
Disinfect area after handling
Division 3:
Biohazardous Infectious Materials

12. CLASS E: Corrosive Materials
Will burn eyes and skin on contact
Will burn tissues of respiratory tract if inhaled
Precautions:
Store acids and bases in separate areas
Avoid inhaling these materials
Avoid contact with skin and eyes
Wear the recommended protective equipment and clothing

13. Dangerously Reactive Materials
CLASS F:
Dangerously Reactive Materials
May be unstable, reacting dangerously to jarring, compression, heat or exposure to light
May burn, explode or produce dangerous gases when mixed with incompatible materials
Store away from heat
Avoid shock and friction
Wear the recommended protective equipment and clothing

14. NOT CLASSIFIED AS CONTROLLED PRODUCTS
Explosives
Radioactive materials
Domestic goods
Cosmetics
Food and drug additives
Drugs and diagnostic chemicals
Pesticides
Hazardous waste

15. Workplace Labels

16. Laboratory Labels From a laboratory house,
Intended for use in the lab only,
Are packaged in less than 10kg quantities
Product name
First aid measures
Risk phrases
Precautionary measures
Reference to MSDS
Sample name, chemical identity
Hazardous ingredients
Supplier name and telephone #
Statement: “This is a hazardous laboratory sample. For hazard information or in emergencies call…..”
Special Laboratory Rules:
If a controlled product/chemical is produced in the laboratory for evaluation, analysis, or testing purposes then while it is in the laboratory, it must be legibly identified. The teachers and students must understand the labeling system and can trace it back to an MSDS or information necessary to ensure safe use storage and handling.
If a controlled product received in a laboratory has been transferred from the original container for use, analysis, testing, or evaluation in the laboratory, then the contents of the second container must be clearly identified. The teacher and students must be familiar with this mode of identification and thus can trace the identification back to the supplier or workplace label and its MSDS. In other words, beakers containing chemicals may be identified with numbers or colors as long as all those using them understand the identity system.

17. MSDS Supplier must provide Accessible to ALL workers in the workplace
Must be kept up to date (less than 3 years old)
Must be made available to doctor in the event of exposure
All chemicals used or stored in a laboratory must be listed and must have a current MSDS. The list and the MSDSs must be available to those using the lab. Chemicals can only be stored but not used if they do not have an MSDS.
Product Identification – name, company, phone #
MSDS Preparation – date, preparer
Ingredients – CAS #, OSHA PEL, ACGIH TLV
Physical Properties – odour, colour, state
Fire and Explosion data -
Product Reactivity
Toxicological Information
Preventative Measures
First Aid Measures

18. MSDS DEFINITIONS Threshold Limit Value
TLV (TWA) average concentration to which most workers can be exposed during an 8-hour workday, day after day, without harmful effects.
TLV (STEL) is a 15 minute “short term exposure limit”.
Ceiling (C) is a maximum concentration never to be exceeded.
TLV= is an 8-hour time-weighted average believed to be the

19. Flash Point °C
varsol
ethyl alcohol
methyl alcohol 11
acetone
gasoline
ether (diethyl)
natural gas
The flash point is the lowest temperature at which a liquid produces enough vapour to ignite in the presence of a source of ignition.
The lower the flash point, the greater the risk of fire.

20. LD50
LD50 (Lethal Dose50) is the amount of a substance that, when administered by a defined route of entry (e.g. oral or dermal) over a specified period of time, is expected to cause the death of 50 per cent of a defined animal population.

21. LC50
LC50 (Lethal Concentration50) is the amount of a substance in air that, when given by inhalation over a specified period of time, is expected to cause the death in 50 per cent of a defined animal population.

22. TRAINING: Lab Safety Maintain quiet, orderly behaviour Be alert
Do not leave experiments unattended
Know the lab procedure
Avoid loose, bulky clothing
Tie back long hair
No shorts or sandals
No food or drink
Stay out of the Storage Room

23. Lab Safety Wear safety goggles
Know location and operation of safety equipment
Know escape route
Keep work areas clean and tidy
Do not carry hot or dangerous chemicals through a crowd
Always waft odors towards your nose
Wash hands after handling any chemical
Remove electric plugs with the plug, not the cord

24. Lab Safety Never taste chemicals
Broken glass should be placed in a container provided for that purpose
Dispose of chemicals as instructed by the teacher
Never return unused solutions to stock containers or reagent bottles
Rinse any skin burn immediately with lots of water
Report all injuries, regardless of how minor
Beware of drops on the table, they may be corrosive

25. WELCOME TO THE WONDERFUL WORLD OF CHEMISTRY…
You have just received WHMIS training for Secondary School Science Programs
BE SAFE and ENJOY!!!