General
Safety
What is typically considered the fundamental first safety rule when beginning any task or operation?
A) Ensure you have the necessary tools and equipment
B) Check the area for hazards and ensure it's safe
C) Follow the instructions or procedures exactly
D) Wear appropriate personal protective equipment (PPE)
B) Check the area for hazards and ensure it's safe
If you encounter a situation where you're uncertain about the safety of a task or the proper use of equipment, what should you do?
(1) Stop work immediately
(2) Seek clarification from your supervisor
What comes first : JHA or PHA?
PHA
After donning your respirator and adjusting to fit, what is the next thing that must be done?
Positive and negative pressure check
For how long is SDS good for?
3 Years
Which of the following statements about the use of fume hood in the lab are FALSE?
(A) You can lift the sash higher than the recommended limit as and when required while working.
(B) The sash is designed to maintain a specific airflow pattern to ensure that hazardous fumes and contaminants are properly contained and exhausted.
(C) Raising the sash above the recommended height cannot compromise the effectiveness of the fume hood.
(D) Always adhering to the safety guidelines and operational limits of the fume hood is mandatory.
Answers: A & C
When should a JHA be initiated?
After the completion of the PHA
What gas is not effectively filtered through our organic vapour/acidic gas/particulate filters?
NO2 or NOx
If you see a reactor leaking, what are the first 3 steps?
1) Contain the spill
2) Read the unattended experiment sheet to proceed with recommended shut down
3) Notify the person in charge of the experiment
How many showers and eye wash stations (connected to running water) do we have in the lab, scale-up and pilot plant?
Shower: 2
Eye wash stations: 4
When are the two times that a bump test is required to be done as per our new updated SOP?
1. Weekly
2. Before use- if there is no record of weekly check being done
How often are respirator fit tests required in BC?
Anually
When a new chemical is in and when a chemical is being discarded, two important information related to the chemical need to be communicated to the EHS asap. What are they?
2) the location where the chemical is stored or taken off from
What is the correct way to vacuum hard powders?
(A) Open valve to vacuum line
(B) Ensure that you put a lid on the powders before they go into the oven and then open the vacuum line
(C) Perforate aluminium and place on top of jar, place jar in secondary containment
(D) Close air valve and slowly introduce vacuum
C & D
For hazards where no other mitigation is possible, what must be done for you to proceed the task safely?
A record/checklist should be created for close monitoring/tracking.
How often should respirator cartridges be replaced for pilot members?
Every 1-1.5 months
WHMIS
When is your WHMIS certificate expired?
No expiration date - but it is recommended to retake it yearly.
Which software feature can you use to check if two chemicals can be stored safely together?
Paratox (Paratox incompatibility feature)
What is the OEL (Occupational Exposure Limit) of NO2 as per the 3M document and as per WorkSafe BC respectively?
5ppm and 1ppm
What is the testing solution used in the respirator fit test?
FT-32 Bitter