3. Reagent Preparation Flashcards
What are the three components of the WHMIS system?
MSDS
Labels
Worker education
What are the 9 categories that should be on a MSDS sheet?
Product information Hazardous ingredients Physical data Fire and explosion data Reactivity data Toxicology data Preventative measures First aid procedures Any additional information
What is included in a supplier label?
A supplier label is placed on the product by the manufacturer
Product identifier Hazard symbols Risk phrases Precautionary measures First aid measures Supplier identifier Reference to an MSDS
What is a workplace label? What does it include?
Used if a product is transferred to a different container or altered
Includes product identifier, safe handling information, where MSDS is available, may use hazard symbols
Why is education on WHMIS important?
Employer has the responsibility of educating workers
Worker is responsible for learning it, informing when info is lacking, working with employer to implement program
What is Class A?
Compressed gas
What is Class B?
Flammable and combustible material
What is Class C?
Oxidizing material
What is Class D? What are the 3 divisions?
Poisonous and infectious material
Division 1: Materials causing immediate and serious toxic effects
Division 2: Materials causing other toxic effects
Division 3: Biohazardous infectious materials
What is Class E?
Corrosive material
What is Class F?
Dangerously reactive material
What is the flammability range?
Range of vapour concentration per amount of air in which the mixture will burn
Too rich = less oxygen, too much vapour
Too lean = more oxygen, not enough vapour
What is a flash point?
Lowest temperature at which liquid gives off vapour
Lower the flashpoint, greater the danger
What should a CO2 or ABC fire extinguisher be used for?
Flammable liquids
How can toxic substances enter the body?
Inhalation
Ingestion
Absorption
