OSHA Module 21 Questions and
Answers | Latest Version | 2024/2025 |
Correct & Verified
What is asbestos?
✔✔ A naturally occurring mineral used in construction materials for its heat resistance and
durability.
Why is asbestos dangerous?
✔✔ Its fibers can be inhaled, leading to serious lung diseases.
What health problems can asbestos exposure cause?
✔✔ Lung cancer, asbestosis, and mesothelioma.
How do asbestos fibers enter the body?
✔✔ Through inhalation or ingestion.
Why is asbestos still a concern if it’s not widely used anymore?
✔✔ Older buildings may still contain asbestos materials.
1
, What should workers do if they suspect asbestos in their work area?
✔✔ Stop work and report it to a supervisor.
Who is responsible for identifying asbestos hazards in the workplace?
✔✔ Employers and competent persons trained in asbestos identification.
What personal protective equipment should be worn when working with asbestos?
✔✔ Respirators, gloves, disposable coveralls, and eye protection.
Why is it important to keep asbestos materials wet during removal?
✔✔ Wetting prevents fibers from becoming airborne.
What is the purpose of an asbestos containment area?
✔✔ To prevent fibers from spreading to other areas.
Why should asbestos waste be disposed of in labeled, sealed containers?
✔✔ To prevent accidental exposure and environmental contamination.
2
Answers | Latest Version | 2024/2025 |
Correct & Verified
What is asbestos?
✔✔ A naturally occurring mineral used in construction materials for its heat resistance and
durability.
Why is asbestos dangerous?
✔✔ Its fibers can be inhaled, leading to serious lung diseases.
What health problems can asbestos exposure cause?
✔✔ Lung cancer, asbestosis, and mesothelioma.
How do asbestos fibers enter the body?
✔✔ Through inhalation or ingestion.
Why is asbestos still a concern if it’s not widely used anymore?
✔✔ Older buildings may still contain asbestos materials.
1
, What should workers do if they suspect asbestos in their work area?
✔✔ Stop work and report it to a supervisor.
Who is responsible for identifying asbestos hazards in the workplace?
✔✔ Employers and competent persons trained in asbestos identification.
What personal protective equipment should be worn when working with asbestos?
✔✔ Respirators, gloves, disposable coveralls, and eye protection.
Why is it important to keep asbestos materials wet during removal?
✔✔ Wetting prevents fibers from becoming airborne.
What is the purpose of an asbestos containment area?
✔✔ To prevent fibers from spreading to other areas.
Why should asbestos waste be disposed of in labeled, sealed containers?
✔✔ To prevent accidental exposure and environmental contamination.
2
