OSHA HAZWOPER 40-Hour (29 CFR 1910.120) course final exam
Scope and definitions: practice questions
Our HAZWOPER 40-Hour bank has 28 questions on this topic. Here are 5 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
Normal operations at TSD sites are:
- Covered by paragraph (q) only
- Not uncontrolled hazardous waste sites
- Always uncontrolled hazardous waste sites
- Exempt from all of 1910.120
Show the answer
B. Not uncontrolled hazardous waste sites — The definition of uncontrolled hazardous waste site says normal operations at TSD sites are not covered by it.
Question 2
Post-emergency response is done by:
- A separate group doing cleanup afterward
- The 911 dispatcher
- Anyone who witnessed the release
- The first responders during the release
Show the answer
A. A separate group doing cleanup afterward — Post-emergency response is the part after the immediate threat is stabilized, done by a group separate from the initial responders.
Question 3
What is the 'buddy system'?
- Two workers share one respirator between the pair of them
- Each worker is observed by at least one other worker
- Two workers split one shift into halves
- A supervisor watches all workers by camera
Show the answer
B. Each worker is observed by at least one other worker — 1910.120(a)(3) defines the buddy system so each employee is observed by at least one other, to give rapid help in an emergency.
Question 4
What is the purpose of the buddy system?
- Rapid assistance in an emergency
- Cutting training costs for the employer
- Reducing the number of respirators needed
- Sharing decontamination equipment
Show the answer
A. Rapid assistance in an emergency — The definition states its purpose is to provide rapid assistance in the event of an emergency.
Question 5
Who is the 'site safety and health supervisor'?
- An OSHA inspector assigned to watch the site
- The first worker to arrive each day
- The client's lawyer
- The on-site person who runs the safety plan
Show the answer
D. The on-site person who runs the safety plan — The definition describes the individual on site responsible to the employer with authority to implement the site safety and health plan.