HAZWOPER 40-Hour Technician
Certification Exam With Actual
Questions & Verified Answers, Plus
Explained Rationales/Expert Verified
For Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What does HAZWOPER stand for?
A. Hazardous Waste Operations and Emergency Response
B. Hazardous Work Operations and Emergency Procedures
C. Hazardous Waste Oversight and Emergency Response
D. Hazardous Work Oversight and Environmental Response
A. Hazardous Waste Operations and Emergency Response
This is the official meaning of HAZWOPER, defined by OSHA to cover
cleanup operations involving hazardous substances.
2. Which OSHA standard covers HAZWOPER training?
A. 29 CFR 1910.120
B. 29 CFR 1926.50
C. 29 CFR 1910.134
D. 29 CFR 1915.100
A. 29 CFR 1910.120
OSHA’s HAZWOPER standard is codified under 29 CFR 1910.120 and
outlines training requirements for hazardous waste operations.
, 3. How long is the initial HAZWOPER technician training?
A. 8 hours
B. 24 hours
C. 40 hours
D. 80 hours
C. 40 hours
The full HAZWOPER technician certification requires 40 hours of initial
training for workers involved in hazardous waste operations.
4. Which level of PPE is required for unknown chemical exposure
that is immediately dangerous to life or health (IDLH)?
A. Level D
B. Level C
C. Level B
D. Level A
D. Level A
Level A provides the highest level of respiratory, skin, and eye
protection for environments that are IDLH or highly toxic.
5. Which of the following is a characteristic of hazardous waste?
A. Flammable
B. Corrosive
C. Reactive
D. All of the above
D. All of the above
Hazardous wastes can possess one or more hazardous characteristics
such as flammability, corrosivity, reactivity, or toxicity.
6. How often must refresher training be completed for HAZWOPER
personnel?
A. Every 6 months
, B. Every 12 months
C. Every 24 months
D. Every 5 years
C. Every 12 months
Workers must receive annual refresher training to maintain
HAZWOPER certification.
7. Which type of monitoring detects hazardous substances in the
air?
A. Biological monitoring
B. Environmental monitoring
C. Chemical monitoring
D. Physical monitoring
B. Environmental monitoring
Environmental monitoring involves measuring the presence and
concentration of hazardous substances in the workplace air or soil.
8. What is the first step in the risk assessment process?
A. Implement controls
B. Identify hazards
C. Evaluate exposure
D. Document findings
B. Identify hazards
Risk assessment begins by identifying all potential hazards before
evaluating or controlling them.
9. Which type of respirator provides a tight-fitting, full facepiece and
supplied air under pressure?
A. Air-purifying respirator (APR)
B. Supplied-air respirator (SAR)
, C. Dust mask
D. Half-mask respirator
B. Supplied-air respirator (SAR)
SARs supply clean air from a source outside the contaminated area,
offering protection in IDLH atmospheres.
10. What is the purpose of decontamination procedures?
A. To clean the worksite
B. To prevent contamination spread
C. To recycle hazardous waste
D. To comply with OSHA paperwork
B. To prevent contamination spread
Decontamination prevents hazardous substances from leaving the
work area and reduces exposure risks to workers and the
environment.
11. Which chemical property increases a substance's ability to
penetrate the skin?
A. Low volatility
B. High lipid solubility
C. Low pH
D. High molecular weight
B. High lipid solubility
Chemicals with high lipid solubility can more easily pass through skin
and cell membranes.
12. Who is responsible for approving the site-specific health and
safety plan (HASP)?
A. OSHA inspector
B. Site safety officer
Certification Exam With Actual
Questions & Verified Answers, Plus
Explained Rationales/Expert Verified
For Guaranteed 100% Pass 2026/Latest
Update/Instant Download Pdf
1. What does HAZWOPER stand for?
A. Hazardous Waste Operations and Emergency Response
B. Hazardous Work Operations and Emergency Procedures
C. Hazardous Waste Oversight and Emergency Response
D. Hazardous Work Oversight and Environmental Response
A. Hazardous Waste Operations and Emergency Response
This is the official meaning of HAZWOPER, defined by OSHA to cover
cleanup operations involving hazardous substances.
2. Which OSHA standard covers HAZWOPER training?
A. 29 CFR 1910.120
B. 29 CFR 1926.50
C. 29 CFR 1910.134
D. 29 CFR 1915.100
A. 29 CFR 1910.120
OSHA’s HAZWOPER standard is codified under 29 CFR 1910.120 and
outlines training requirements for hazardous waste operations.
, 3. How long is the initial HAZWOPER technician training?
A. 8 hours
B. 24 hours
C. 40 hours
D. 80 hours
C. 40 hours
The full HAZWOPER technician certification requires 40 hours of initial
training for workers involved in hazardous waste operations.
4. Which level of PPE is required for unknown chemical exposure
that is immediately dangerous to life or health (IDLH)?
A. Level D
B. Level C
C. Level B
D. Level A
D. Level A
Level A provides the highest level of respiratory, skin, and eye
protection for environments that are IDLH or highly toxic.
5. Which of the following is a characteristic of hazardous waste?
A. Flammable
B. Corrosive
C. Reactive
D. All of the above
D. All of the above
Hazardous wastes can possess one or more hazardous characteristics
such as flammability, corrosivity, reactivity, or toxicity.
6. How often must refresher training be completed for HAZWOPER
personnel?
A. Every 6 months
, B. Every 12 months
C. Every 24 months
D. Every 5 years
C. Every 12 months
Workers must receive annual refresher training to maintain
HAZWOPER certification.
7. Which type of monitoring detects hazardous substances in the
air?
A. Biological monitoring
B. Environmental monitoring
C. Chemical monitoring
D. Physical monitoring
B. Environmental monitoring
Environmental monitoring involves measuring the presence and
concentration of hazardous substances in the workplace air or soil.
8. What is the first step in the risk assessment process?
A. Implement controls
B. Identify hazards
C. Evaluate exposure
D. Document findings
B. Identify hazards
Risk assessment begins by identifying all potential hazards before
evaluating or controlling them.
9. Which type of respirator provides a tight-fitting, full facepiece and
supplied air under pressure?
A. Air-purifying respirator (APR)
B. Supplied-air respirator (SAR)
, C. Dust mask
D. Half-mask respirator
B. Supplied-air respirator (SAR)
SARs supply clean air from a source outside the contaminated area,
offering protection in IDLH atmospheres.
10. What is the purpose of decontamination procedures?
A. To clean the worksite
B. To prevent contamination spread
C. To recycle hazardous waste
D. To comply with OSHA paperwork
B. To prevent contamination spread
Decontamination prevents hazardous substances from leaving the
work area and reduces exposure risks to workers and the
environment.
11. Which chemical property increases a substance's ability to
penetrate the skin?
A. Low volatility
B. High lipid solubility
C. Low pH
D. High molecular weight
B. High lipid solubility
Chemicals with high lipid solubility can more easily pass through skin
and cell membranes.
12. Who is responsible for approving the site-specific health and
safety plan (HASP)?
A. OSHA inspector
B. Site safety officer
