OSHA 30 Hazwoper Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What should be done first in the event of a chemical spill?
A. Clean it up immediately
✔✔B. Alert coworkers and evacuate the area
C. Ignore it and continue working
D. Take a photo for records
Why is air monitoring conducted at hazardous waste sites?
A. To check for weather changes
✔✔B. To detect harmful contaminants
C. To measure productivity
D. To ensure proper lighting
Which of the following is required before entering a hazardous area?
A. A meal break
✔✔B. Review of the site safety plan
1
,C. A social media check-in
D. A team meeting
Which type of respirator is used for high levels of chemical exposure?
A. Dust mask
✔✔B. Supplied-air respirator
C. Surgical mask
D. Cloth face covering
What is the purpose of site control at hazardous locations?
A. To improve work efficiency
✔✔B. To limit public access and ensure safety
C. To organize equipment
D. To increase team bonding
What should be done if you feel dizzy or unwell while working with hazardous materials?
A. Ignore it and continue working
✔✔B. Stop work and inform a supervisor immediately
2
, C. Take a short break
D. Drink water and continue
Which level of PPE provides the highest protection?
A. Level D
✔✔B. Level A
C. Level C
D. Level B
When is medical surveillance required for HAZWOPER workers?
A. Every five years
✔✔B. Before assignment and annually thereafter
C. Only after an accident
D. Once upon hiring
What is the purpose of decontamination procedures?
A. To save time
✔✔B. To prevent the spread of hazardous substances
3
Answers | Latest Version | 2024/2025 |
Correct & Verified
What should be done first in the event of a chemical spill?
A. Clean it up immediately
✔✔B. Alert coworkers and evacuate the area
C. Ignore it and continue working
D. Take a photo for records
Why is air monitoring conducted at hazardous waste sites?
A. To check for weather changes
✔✔B. To detect harmful contaminants
C. To measure productivity
D. To ensure proper lighting
Which of the following is required before entering a hazardous area?
A. A meal break
✔✔B. Review of the site safety plan
1
,C. A social media check-in
D. A team meeting
Which type of respirator is used for high levels of chemical exposure?
A. Dust mask
✔✔B. Supplied-air respirator
C. Surgical mask
D. Cloth face covering
What is the purpose of site control at hazardous locations?
A. To improve work efficiency
✔✔B. To limit public access and ensure safety
C. To organize equipment
D. To increase team bonding
What should be done if you feel dizzy or unwell while working with hazardous materials?
A. Ignore it and continue working
✔✔B. Stop work and inform a supervisor immediately
2
, C. Take a short break
D. Drink water and continue
Which level of PPE provides the highest protection?
A. Level D
✔✔B. Level A
C. Level C
D. Level B
When is medical surveillance required for HAZWOPER workers?
A. Every five years
✔✔B. Before assignment and annually thereafter
C. Only after an accident
D. Once upon hiring
What is the purpose of decontamination procedures?
A. To save time
✔✔B. To prevent the spread of hazardous substances
3
