Lab Safety Quiz
In case of accidental contact with chemicals, how long should the eyes be flushed at the eyewash station?
15 minutes
Identify the types of information that are necessary to communicate with emergency responders.
Any chemicals involved in an incident How the incident happened Any other hazards present in the lab
A student removes a chemical sample from a reagent bottle to be used in an experiment. What should he do with any excess chemical remaining from this sample after the experiment is complete?
Check and see if anyone else can use the chemical. If not, discard in the proper waste container.
Identify the step that is NOT recommended when responding to an emergency.
Gather your belongings.
Which signs are typically posted in areas of active lab work?
Personal protective equipment (PPE) sign Sign prohibiting food and drink Chemical storage signs Safety equipment signs
What is the first step for response to an emergency situation?
Remain calm and quiet, gather information, and assess the situation.
It is often helpful to remember the acronym PASS when using a fire extinguisher. Fill in the word that corresponds with each letter to complete the steps needed for operation of this device.
PULL the pin. AIM the nozzle at the base of the fire. SQUEEZE the lever slowly. SWEEP the spray from side to side over the fire.
Identify the equipment best suited for extinguishing each type of fire.
clothing fire - fire blanket large fire on floor - fire extinguisher small benchtop fire - overturned beaker
In lab, you may need to evaluate the odor or smell of a chemical. What is the best way to smell a chemical sample?
Use your hand to gently waft the smell toward you.
Identify the description that applies to the substance represented by each NFPA diamond.
3, 0, 0, OX = oxidizer, not flammable 2, 3, 0 = stable, has health risks but no special hazards 3, 0, 2 = moderately unstable or reactive 2, 4, 0, COR = has a flash point below room temperature
What is the main precaution to take is a Gas Cylinder sign is present in the lab?
Visually check that the gas cylinder is contained but keep a safe distance from it.
