HAZWOPER 40-Hour Technician
Certification Exam Practice Questions
And Correct Answers With Rationales
1. What does HAZWOPER stand for?
A. Hazardous Waste Operations and Emergency Response
B. Hazardous Waste Oversight and Environmental Regulation
C. Hazardous Work Operations and Emergency Response
D. Hazardous Waste Observation and Emergency Response
A. Hazardous Waste Operations and Emergency Response
Rationale: HAZWOPER is an OSHA standard that regulates safety
procedures for hazardous waste operations and emergency response.
2. Which OSHA standard specifically governs HAZWOPER training?
A. 29 CFR 1910.120
, B. 29 CFR 1926.50
C. 29 CFR 1915.100
D. 29 CFR 1910.134
A. 29 CFR 1910.120
Rationale: 29 CFR 1910.120 is the federal regulation covering
hazardous waste operations and emergency response training.
3. What is the minimum required HAZWOPER training for workers who
occasionally handle hazardous waste under supervision?
A. 40 hours
B. 8 hours
C. 24 hours
D. 16 hours
D. 16 hours
Rationale: Workers who occasionally handle hazardous waste under
limited supervision must have at least 16 hours of HAZWOPER
training.
4. Which type of PPE is required when working with airborne hazardous
chemicals?
A. Steel-toed boots
B. Respiratory protection
C. Safety glasses
D. Earplugs
B. Respiratory protection
, Rationale: Respirators protect workers from inhaling hazardous
airborne chemicals.
5. What is the first step in a risk assessment for hazardous waste
operations?
A. Implementing PPE
B. Identifying hazards
C. Conducting training
D. Performing decontamination
B. Identifying hazards
Rationale: Hazard identification is the foundation of any risk
assessment to determine appropriate control measures.
6. Which is considered an acute exposure?
A. Long-term low-level exposure
B. Single high-level exposure
C. Repeated low-level exposure over months
D. Chronic exposure
B. Single high-level exposure
Rationale: Acute exposure occurs from a single, high-level exposure,
often causing immediate effects.
7. What type of monitoring is used to detect hazardous chemicals in the
air?
A. Biological monitoring
B. Air sampling
, C. Soil sampling
D. Decontamination sampling
B. Air sampling
Rationale: Air sampling detects the concentration of airborne
contaminants to evaluate worker exposure.
8. Which color on the NFPA diamond represents health hazards?
A. Blue
B. Red
C. Yellow
D. White
A. Blue
Rationale: NFPA uses blue to indicate health hazards, red for
flammability, yellow for reactivity, and white for special hazards.
9. What is the primary goal of decontamination procedures?
A. To dispose of hazardous waste
B. To remove or neutralize contaminants from personnel and
equipment
C. To monitor air quality
D. To train workers
B. To remove or neutralize contaminants from personnel and
equipment
Rationale: Decontamination reduces the risk of spreading hazardous
substances.
Certification Exam Practice Questions
And Correct Answers With Rationales
1. What does HAZWOPER stand for?
A. Hazardous Waste Operations and Emergency Response
B. Hazardous Waste Oversight and Environmental Regulation
C. Hazardous Work Operations and Emergency Response
D. Hazardous Waste Observation and Emergency Response
A. Hazardous Waste Operations and Emergency Response
Rationale: HAZWOPER is an OSHA standard that regulates safety
procedures for hazardous waste operations and emergency response.
2. Which OSHA standard specifically governs HAZWOPER training?
A. 29 CFR 1910.120
, B. 29 CFR 1926.50
C. 29 CFR 1915.100
D. 29 CFR 1910.134
A. 29 CFR 1910.120
Rationale: 29 CFR 1910.120 is the federal regulation covering
hazardous waste operations and emergency response training.
3. What is the minimum required HAZWOPER training for workers who
occasionally handle hazardous waste under supervision?
A. 40 hours
B. 8 hours
C. 24 hours
D. 16 hours
D. 16 hours
Rationale: Workers who occasionally handle hazardous waste under
limited supervision must have at least 16 hours of HAZWOPER
training.
4. Which type of PPE is required when working with airborne hazardous
chemicals?
A. Steel-toed boots
B. Respiratory protection
C. Safety glasses
D. Earplugs
B. Respiratory protection
, Rationale: Respirators protect workers from inhaling hazardous
airborne chemicals.
5. What is the first step in a risk assessment for hazardous waste
operations?
A. Implementing PPE
B. Identifying hazards
C. Conducting training
D. Performing decontamination
B. Identifying hazards
Rationale: Hazard identification is the foundation of any risk
assessment to determine appropriate control measures.
6. Which is considered an acute exposure?
A. Long-term low-level exposure
B. Single high-level exposure
C. Repeated low-level exposure over months
D. Chronic exposure
B. Single high-level exposure
Rationale: Acute exposure occurs from a single, high-level exposure,
often causing immediate effects.
7. What type of monitoring is used to detect hazardous chemicals in the
air?
A. Biological monitoring
B. Air sampling
, C. Soil sampling
D. Decontamination sampling
B. Air sampling
Rationale: Air sampling detects the concentration of airborne
contaminants to evaluate worker exposure.
8. Which color on the NFPA diamond represents health hazards?
A. Blue
B. Red
C. Yellow
D. White
A. Blue
Rationale: NFPA uses blue to indicate health hazards, red for
flammability, yellow for reactivity, and white for special hazards.
9. What is the primary goal of decontamination procedures?
A. To dispose of hazardous waste
B. To remove or neutralize contaminants from personnel and
equipment
C. To monitor air quality
D. To train workers
B. To remove or neutralize contaminants from personnel and
equipment
Rationale: Decontamination reduces the risk of spreading hazardous
substances.
