California Emergency Hazmat
Decontamination Technician
Certification Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary goal of emergency decontamination?
A. Protecting the environment
B. Removing contaminants to reduce harm to victims and responders
C. Preventing property damage
D. Neutralizing hazardous materials
The main objective is to reduce contamination on individuals to prevent
health impacts and cross-contamination.
2. Which of the following best describes gross decontamination?
A. Decontamination using neutralizing agents
B. Rapid removal of surface contaminants
C. Full wash-down with soap and water
D. Sterilization of equipment
Gross decontamination is a quick process to remove most contaminants,
often with large amounts of water.
,3. What PPE level is required for personnel performing technical
decontamination?
A. Level D
B. Level C
C. Level B
D. Level A
Level B is required because it provides splash protection and respiratory
protection.
4. Which federal regulation mandates decontamination procedures for
hazmat incidents?
A. DOT 49 CFR Part 100
B. OSHA 29 CFR 1910.120
C. NFPA 472
D. EPA 40 CFR Part 300
OSHA 29 CFR 1910.120 (HAZWOPER) covers emergency response
operations involving hazardous substances.
5. A solution used during decontamination should be:
A. Acidic to destroy toxins
B. Always a disinfectant
C. Compatible with the contaminant
D. Highly pressurized
Using a solution incompatible with the contaminant can worsen exposure
or damage PPE.
6. Which decontamination method uses a chemical reaction to neutralize
contaminants?
A. Dilution
B. Neutralization
C. Isolation
D. Evaporation
, Neutralization involves using substances that render hazardous materials
harmless.
7. What is the primary reason for conducting responder decontamination?
A. Maintain appearance
B. Comply with paperwork
C. Prevent secondary contamination
D. Reduce cost of cleanup
Preventing secondary contamination protects medical facilities,
equipment, and other responders.
8. What is the most common agent used in emergency decontamination?
A. Water
B. Bleach
C. Soap
D. Alcohol
Water is the most accessible and effective agent for quickly removing
many types of contaminants.
9. Which of the following actions occurs in the warm zone of a hazmat
incident?
A. Command and control
B. Decontamination
C. Evacuation
D. Triage
Decontamination operations are conducted in the warm zone, which is
between the hot (contaminated) and cold zones.
10. The buddy system in hazmat response is primarily used to:
A. Reduce time to complete tasks
B. Improve morale
C. Enhance safety through mutual monitoring
D. Limit access to the site
Decontamination Technician
Certification Exam Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary goal of emergency decontamination?
A. Protecting the environment
B. Removing contaminants to reduce harm to victims and responders
C. Preventing property damage
D. Neutralizing hazardous materials
The main objective is to reduce contamination on individuals to prevent
health impacts and cross-contamination.
2. Which of the following best describes gross decontamination?
A. Decontamination using neutralizing agents
B. Rapid removal of surface contaminants
C. Full wash-down with soap and water
D. Sterilization of equipment
Gross decontamination is a quick process to remove most contaminants,
often with large amounts of water.
,3. What PPE level is required for personnel performing technical
decontamination?
A. Level D
B. Level C
C. Level B
D. Level A
Level B is required because it provides splash protection and respiratory
protection.
4. Which federal regulation mandates decontamination procedures for
hazmat incidents?
A. DOT 49 CFR Part 100
B. OSHA 29 CFR 1910.120
C. NFPA 472
D. EPA 40 CFR Part 300
OSHA 29 CFR 1910.120 (HAZWOPER) covers emergency response
operations involving hazardous substances.
5. A solution used during decontamination should be:
A. Acidic to destroy toxins
B. Always a disinfectant
C. Compatible with the contaminant
D. Highly pressurized
Using a solution incompatible with the contaminant can worsen exposure
or damage PPE.
6. Which decontamination method uses a chemical reaction to neutralize
contaminants?
A. Dilution
B. Neutralization
C. Isolation
D. Evaporation
, Neutralization involves using substances that render hazardous materials
harmless.
7. What is the primary reason for conducting responder decontamination?
A. Maintain appearance
B. Comply with paperwork
C. Prevent secondary contamination
D. Reduce cost of cleanup
Preventing secondary contamination protects medical facilities,
equipment, and other responders.
8. What is the most common agent used in emergency decontamination?
A. Water
B. Bleach
C. Soap
D. Alcohol
Water is the most accessible and effective agent for quickly removing
many types of contaminants.
9. Which of the following actions occurs in the warm zone of a hazmat
incident?
A. Command and control
B. Decontamination
C. Evacuation
D. Triage
Decontamination operations are conducted in the warm zone, which is
between the hot (contaminated) and cold zones.
10. The buddy system in hazmat response is primarily used to:
A. Reduce time to complete tasks
B. Improve morale
C. Enhance safety through mutual monitoring
D. Limit access to the site
