GUTIERREZ LAB SAFETY QUIZ

⏱ 8–12 minutes 🧪 Advanced UCLA Lab Safety 📊 Stored securely in Firestore

Advanced UCLA Laboratory Safety Quiz

1. When handling pyrophoric reagents (such as t-BuLi), what does the UCLA safety manual require?

Only gloves and goggles Work in a fume hood AND have an SOP AND receive specialized training Work in open air No special requirements

2. How should empty chemical containers be handled?

Throw directly into the trash Treat as hazardous waste unless triple-rinsed and labels defaced Leave them on the benchtop Break them and dispose as glass

3. What document must be accessible for every chemical in the lab?

Shipping invoice Printed MSDS binder only Safety Data Sheets (SDS), printed or digital The PI’s handwritten notes

4. Which gloves are appropriate for handling halogenated solvents (e.g., dichloromethane)?

Latex gloves Nitrile — but only for splash protection Leather gloves Any glove works equally well

5. What is the required FIRST action during a large chemical spill?

Immediately attempt cleanup Evacuate the area and activate emergency response procedures Dilute with water Move flammables closer to the spill

6. Which chemicals require a designated restricted-access area?

Common organic solvents Particularly Hazardous Substances (PHS) All flammables Glassware cleaning acids

7. When transporting cryogenic liquids, what is required?

Insulated gloves AND eye/face protection Carry open containers No PPE is necessary Use elevators freely without precautions

8. What must be done if a lab member becomes pregnant and works with reproductive toxins?

Remove them from all lab work immediately Conduct a reproductive hazard consultation and risk assessment Only require double gloves No action is required

9. What is the maximum period that chemical waste may remain in the laboratory?

30 days 90 days 365 days There is no limit

10. Chemical waste containers must be labeled when?

Only when full BEFORE any waste is added Only when EH&S collects them Only flammables require labels

11. A peroxide-forming chemical has crystals around the cap. What must you do?

Open very carefully Dilute with water DO NOT OPEN — Contact EH&S immediately Freeze it

12. Work with volatile toxic chemicals must occur under which engineering control?

Biosafety cabinet Chemical fume hood Glovebox only No engineering control is necessary

Score: Not submitted

Answer all 12 questions and click “Submit Answers”.