LAB 4 Histology Hazard Assessment

Question 1

Define risk

Answer 1

Calculated probability of harm and the severity of its consequence

Question 2

Define hazard

Answer 2

Anything that can be a potential source of harm

Question 3

Define hazard controls

Answer 3

Controls put in place to reduce/ eliminate the possibility of consequences of the hazard

Question 4

List types of hazards

Answer 4

• Physical
• Chemical
• Biological
• Psychosocial
• Ergonomic
• Radiation

Question 5

Who sets the rules and regulations to ensure a safe work environment in Alberta ?

Answer 5

Occupational Health and Safety Act

Question 6

Identify the hierarchy of hazard controls from most effective to least effective (5)

Answer 6

1. Elimination (most effective)
2. Substitution
3. Engineering
4. Administration
5. PPE

Question 7

Give an example of an engineered control

Answer 7

• changes in equipment
• replacing processors that lifted tissue out of solution containers (which created fumes) with processors that pumps fluid in and out of a single chamber in a more enclosed way

Question 8

Give an example of an administrative control

Answer 8

• changing how people work
• scheduling can limit physical hazards associated with repetitive motion (ie. to reduce frequency and duration)

Question 9

What are the 4 main steps of performing a hazard assessment

Answer 9

1. Identify the hazards
2. Assess likelihood and severity of its consequences
3. Determine control measures for each hazard
4. Regularly review and revise the hazard assessment

Question 10

How is Risk Rating calculated ?

Answer 10

RR = Likelihood (1 to 5) x Consequence (1 to 5) = maximum of 25