Pennsylvania DEP – Asbestos
Abatement Worker Practice Exam
Questions With Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary health hazard associated with
asbestos exposure?
A. Skin irritation
B. Hearing loss
C. Respiratory diseases
D. Eye infections
Correct Answer: C. Respiratory diseases
Rationale: Asbestos fibers, when inhaled, can lodge in lung
tissue and cause serious diseases such as asbestosis, lung
cancer, and mesothelioma over time.
2. Which of the following is the most common route of
asbestos entry into the body?
A. Skin absorption
B. Inhalation
, C. Ingestion
D. Injection
Correct Answer: B. Inhalation
Rationale: Airborne asbestos fibers are primarily inhaled
during disturbance of asbestos-containing materials (ACM),
making inhalation the main exposure route.
3. What is the most important control measure when
working with asbestos?
A. Wet methods
B. High-pressure air
C. Dry sweeping
D. Compressed air cleaning
Correct Answer: A. Wet methods
Rationale: Wetting asbestos materials reduces the release of
airborne fibers and is a key regulatory control method during
abatement.
4. Which agency sets federal regulations for asbestos work
practices under NESHAP?
A. OSHA
B. EPA
, C. CDC
D. DOT
Correct Answer: B. EPA
Rationale: The Environmental Protection Agency (EPA)
enforces the National Emission Standards for Hazardous Air
Pollutants (NESHAP) for asbestos.
5. What does ACM stand for?
A. Airborne Contamination Material
B. Asbestos Control Measure
C. Asbestos-Containing Material
D. Air Control Material
Correct Answer: C. Asbestos-Containing Material
Rationale: ACM refers to any material containing more than
1% asbestos by weight.
6. Which type of respirator is typically required for asbestos
abatement?
A. Dust mask
B. Surgical mask
C. NIOSH-approved respirator
D. Cloth mask
, Correct Answer: C. NIOSH-approved respirator
Rationale: Only NIOSH-approved respirators provide adequate
protection against asbestos fibers when properly fitted and
used.
7. What is the purpose of a decontamination unit on an
asbestos job site?
A. Store tools
B. Provide worker cleanup and prevent contamination
spread
C. Mix chemicals
D. Increase ventilation
Correct Answer: B. Provide worker cleanup and prevent
contamination spread
Rationale: Decontamination units prevent asbestos fibers from
leaving the work area and contaminating clean zones.
8. Which of the following is NOT a recognized asbestos-
related disease?
A. Asbestosis
B. Mesothelioma
C. Silicosis
D. Lung cancer
Abatement Worker Practice Exam
Questions With Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary health hazard associated with
asbestos exposure?
A. Skin irritation
B. Hearing loss
C. Respiratory diseases
D. Eye infections
Correct Answer: C. Respiratory diseases
Rationale: Asbestos fibers, when inhaled, can lodge in lung
tissue and cause serious diseases such as asbestosis, lung
cancer, and mesothelioma over time.
2. Which of the following is the most common route of
asbestos entry into the body?
A. Skin absorption
B. Inhalation
, C. Ingestion
D. Injection
Correct Answer: B. Inhalation
Rationale: Airborne asbestos fibers are primarily inhaled
during disturbance of asbestos-containing materials (ACM),
making inhalation the main exposure route.
3. What is the most important control measure when
working with asbestos?
A. Wet methods
B. High-pressure air
C. Dry sweeping
D. Compressed air cleaning
Correct Answer: A. Wet methods
Rationale: Wetting asbestos materials reduces the release of
airborne fibers and is a key regulatory control method during
abatement.
4. Which agency sets federal regulations for asbestos work
practices under NESHAP?
A. OSHA
B. EPA
, C. CDC
D. DOT
Correct Answer: B. EPA
Rationale: The Environmental Protection Agency (EPA)
enforces the National Emission Standards for Hazardous Air
Pollutants (NESHAP) for asbestos.
5. What does ACM stand for?
A. Airborne Contamination Material
B. Asbestos Control Measure
C. Asbestos-Containing Material
D. Air Control Material
Correct Answer: C. Asbestos-Containing Material
Rationale: ACM refers to any material containing more than
1% asbestos by weight.
6. Which type of respirator is typically required for asbestos
abatement?
A. Dust mask
B. Surgical mask
C. NIOSH-approved respirator
D. Cloth mask
, Correct Answer: C. NIOSH-approved respirator
Rationale: Only NIOSH-approved respirators provide adequate
protection against asbestos fibers when properly fitted and
used.
7. What is the purpose of a decontamination unit on an
asbestos job site?
A. Store tools
B. Provide worker cleanup and prevent contamination
spread
C. Mix chemicals
D. Increase ventilation
Correct Answer: B. Provide worker cleanup and prevent
contamination spread
Rationale: Decontamination units prevent asbestos fibers from
leaving the work area and contaminating clean zones.
8. Which of the following is NOT a recognized asbestos-
related disease?
A. Asbestosis
B. Mesothelioma
C. Silicosis
D. Lung cancer
