Certification Exam Practice Questions

HAZWOPER 40-Hour Technician Certification Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What does HAZWOPER stand for?
• Hazardous Waste Operations and Emergency Response
• Hazardous Waste Oversight and Environmental Regulation
• Hazardous Work Operations and Emergency Response
• Hazardous Waste Observation and Emergency Response
• Hazardous Waste Operations and Emergency Response

Rationale: HAZWOPER is an OSHA standard that regulates safety

procedures for hazardous waste operations and emergency response.

• Which OSHA standard specifically governs HAZWOPER training?

A. 29 CFR 1910.120 1 / 4

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.

• What is the minimum required HAZWOPER training for workers who

occasionally handle hazardous waste under supervision?

• 40 hours
• 8 hours
• 24 hours
• 16 hours
• 16 hours

Rationale: Workers who occasionally handle hazardous waste under

limited supervision must have at least 16 hours of HAZWOPER training.

• Which type of PPE is required when working with airborne hazardous

chemicals?

• Steel-toed boots
• Respiratory protection
• Safety glasses
• Earplugs
• Respiratory protection 2 / 4

Rationale: Respirators protect workers from inhaling hazardous

airborne chemicals.

• What is the first step in a risk assessment for hazardous waste

operations?

• Implementing PPE
• Identifying hazards
• Conducting training
• Performing decontamination
• Identifying hazards

Rationale: Hazard identification is the foundation of any risk

assessment to determine appropriate control measures.

• Which is considered an acute exposure?
• Long-term low-level exposure
• Single high-level exposure
• Repeated low-level exposure over months
• Chronic exposure
• Single high-level exposure

Rationale: Acute exposure occurs from a single, high-level exposure,

often causing immediate effects.

• What type of monitoring is used to detect hazardous chemicals in the

air?

• Biological monitoring
• Air sampling 3 / 4

• Soil sampling
• Decontamination sampling
• Air sampling

Rationale: Air sampling detects the concentration of airborne

contaminants to evaluate worker exposure.

• Which color on the NFPA diamond represents health hazards?
• Blue
• Red
• Yellow
• White
• Blue

Rationale: NFPA uses blue to indicate health hazards, red for

flammability, yellow for reactivity, and white for special hazards.

• What is the primary goal of decontamination procedures?
• To dispose of hazardous waste
• To remove or neutralize contaminants from personnel and

equipment

• To monitor air quality
• To train workers
• To remove or neutralize contaminants from personnel and

equipment

Rationale: Decontamination reduces the risk of spreading hazardous

substances.

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