- Updated for January 2025
- Based on 2025 WA commercial driver's license manual
Free Washington CDL HazMat Practice Test 2025
Washington State Apples, the Space Needle, Pike’s Place, and the coffee culture, added to Washington’s diverse landscape, and you’ll find lots to enjoy as you drive through the state. Since you’re here, you must be interested in the opportunities available once you’ve added the Hazardous Materials (Hazmat) endorsement to your Commercial Driver’s License (CDL). For 18–20-year-olds, Washington allows you to obtain a CDL and drive within state lines; however, you cannot obtain the hazmat endorsement until you reach the age of 21 per federal law. For those 21 and older, let’s take a look at this endorsement.
The U.S. government has labeled certain materials as hazardous and the Hazmat endorsement permits drivers to transport these items. They range from explosives to certain types of fuel, industrial chemicals, radioactive materials, and infectious substances. “Yikes! What am I getting myself into?!” Don’t worry. The most important objective of this endorsement process is to ensure your safety and protect the people and environment in your driving area.
To add this endorsement, you’ll need to pass a Transportation Security Administration (TSA) fingerprinting and background check. Taking care of that requirement is step one. While you wait for these results, you can tackle the second requirement: the DOL knowledge test. The knowledge test includes topics like federal regulations, substance handling, material packaging, quantity limits, and transport configurations for hazardous materials. You’ll have to score 80% or higher. You’ll need 24 of them answered correctly (Washington CDL Handbook 2025).
In the Evergreen State, there are multiple industries requiring a Hazmat endorsement. They include petroleum and fuel distribution (Shell and BP America have distribution facilities in the state), chemical manufacturing (Univar Solutions is headquartered in Belleview), agricultural chemicals (Wilbur-Elis and Helena Agri-Enterprises), waste management and environmental sciences (Clean Harbors and Stericycle), and industrial gas suppliers like Airgas and Praxair. What a list! The good news is we have simplified the process.
Our online Washington CDL HazMat Endorsement practice tests are designed to focus on what’s truly relevant instead of the mountain of information you’ll find online and mimic what you will face on the official DOL test. Don’t delay. Get your TSA requirements submitted and practice with our tests until they arrive. Then, go to the DOL with the necessary documents, pay the fees, and confidently pass the test.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual WA DOL exam
questions
correct answers to pass
passing score
Helpful links
List of questions (classic view)
- Which of the following hazard classes uses a transport index to determine how much of it can be loaded on a single vehicle for transport?
- In what location must you keep your shipping papers that describe any hazardous materials?
- If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?
- Which of the following is NOT an acceptable type of marking for hazardous materials?
- Which of the following materials are acceptable floor liners for transporting Division 1.1 or 1.2 materials?
- A safe haven is
- A placarded vehicle must carry a fire extinguisher with a minimum rating of
- What action should you take if you discover your hazardous materials shipment leaking at a rest stop but there is no phone available?
- To determine if you need to use placards, you do NOT need to know
- When shippers package the material, they are trying to
- What is the purpose of a driver placarding his or her vehicle?
- Where are the two main places that the hazardous material identification number appears?
- Which of the following are necessary qualifications for non-bulk packaging?
- If you are already carrying 100 pounds of silver cyanide, what precautions must you take if you are given papers at a dock to carry 100 cartons of battery acid?
- Besides the shipping papers and the packages, the other two places where the hazardous material identification number must appear are
- Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?
- Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?
- What is a technical name?
- Your engine runs a pump when you are delivering compressed gas. After finishing the delivery, when should you turn off the engine?
- The Emergency Response Guidebook (ERG)
- You must NEVER smoke or perform any activity involving fire within 25 feet of
- If you are carrying Division 1.2 or 1.3 materials, how far away must you park from a bridge, tunnel, or building?
- How often should you check the tires on a placarded trailer that has dual tires?
- What are the major differences between cargo tanks and portable tanks?
- Cargo tanks are
- At a rest stop, you discover that your hazardous materials shipment is leaking but there is no phone available. What do you do?
- NO ONE may smoke within 25 feet of any vehicle that contains explosives, oxidizers, or
- If there is an accident involving hazardous materials, who reports it to the proper government agency?
- Does the official state CDL manual contain everything you need to know to transport hazardous materials?
- Carriers must give each driver who transports Division 1.1, 1.2, or 1.3 materials
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