Podcast
Questions and Answers
What are the four ways that chemicals can enter students' bodies?
What are the four ways that chemicals can enter students' bodies?
- Inhalation
- Ingestion
- Injection
- Absorption
- All of the above (correct)
What does OSHA Standard intend to enhance?
What does OSHA Standard intend to enhance?
Lab safety through better communication, training, and work practices.
How many safety plans has USC written according to the OSHA Standard?
How many safety plans has USC written according to the OSHA Standard?
Two
How can fires be prevented in the lab?
How can fires be prevented in the lab?
What kind of safety glasses should you choose?
What kind of safety glasses should you choose?
You must wear safety glasses and goggles at all times in the lab.
You must wear safety glasses and goggles at all times in the lab.
Why are contact lenses not suggested in the lab?
Why are contact lenses not suggested in the lab?
What should you do if you break your glassware or spill chemicals in the lab?
What should you do if you break your glassware or spill chemicals in the lab?
What should you do if there is a bench fire?
What should you do if there is a bench fire?
How does a fire extinguisher stop a fire from continuing to burn?
How does a fire extinguisher stop a fire from continuing to burn?
What does P.A.S.S. stand for in fire extinguisher usage?
What does P.A.S.S. stand for in fire extinguisher usage?
We write ___ on the chemical containers.
We write ___ on the chemical containers.
What should be used as an absorbent for cleaning up acidic or basic spills?
What should be used as an absorbent for cleaning up acidic or basic spills?
What is the on-campus emergency response number?
What is the on-campus emergency response number?
Most safety practices in the organic lab are based on what?
Most safety practices in the organic lab are based on what?
If you miss a lab, what is required?
If you miss a lab, what is required?
What is the proper chain of command to follow if you have any problems in the lab?
What is the proper chain of command to follow if you have any problems in the lab?
What should you do before leaving the lab?
What should you do before leaving the lab?
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Study Notes
Chemical Exposure Routes
- Inhalation: Ensure good ventilation using a fume hood.
- Ingestion: Prohibit eating or drinking in labs; wash hands after leaving.
- Injection: Utilize a broom and dustpan for cleaning broken glass.
- Absorption: Wear appropriate gloves and eyewear.
OSHA Standards
- Aim to improve laboratory safety through enhanced communication, training, and work practices.
- USC has implemented two safety plans: Chemical Hygiene Plan and Exposure Control Plan.
Fire Prevention
- Use minimal quantities of flammable solvents.
- Store flammable solvents in designated cabinets.
- Keep flammable materials away from ignition sources.
Safety Glasses Guidelines
- Choose safety glasses with side and top shields for comprehensive protection.
- Safety glasses and goggles must be worn at all times in the lab.
Contact Lenses Precautions
- Contact lenses can cause eye damage from chemical reagents; a waiver must be signed to wear them.
Response to Accidents
- In case of broken glass or chemical spills, immediately inform your TA for cleaning.
Fire Response Steps
- Alert lab personnel of a fire emergency.
- Smother flames with a fire extinguisher aimed at the base of the fire.
- Evacuate via the nearest exit, staying on the exit side of the fire.
Understanding Combustion
- Fire extinguishers work by cooling the fuel and restricting oxygen to prevent continued burning.
Fire Extinguisher Technique (P.A.S.S.)
- P: Pull the safety pin.
- A: Aim at the base of the flames.
- S: Squeeze the trigger.
- S: Sweep side to side.
Chemical Container Labels
- Proper labeling includes guidance on handling, storage, and emergency response.
Spill Clean-Up Procedures
- Use amphoteric substances (like sodium bicarbonate) to absorb acidic or basic spills.
Campus Emergency Information
- The emergency response number on campus is 7-9111.
Safety Practices
- Most laboratory safety measures are based on common sense.
Lab Absence Policy
- Valid USC excuses are required for missed labs; notify TA and Dr. Indika beforehand.
Chain of Command for Lab Issues
- Follow this hierarchy for addressing lab problems: TA ➝ Lab Instructor ➝ Lab Director.
Lab Clean-Up Protocol
- Clean glassware and organize items in drawers.
- Wrap up electrical cords safely.
- Wipe down the bench top and check surrounding areas before leaving.
- Raise your hand for TA checkout confirmation.
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