HazMat

This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background.. Read More

This endorsement is required to haul hazardous materials as defined in Title 49, CFR, §383.5. To receive this endorsement, drivers must also pass a Transportation Security Administration background check. To receive this endorsement, applicants must pass a test. The test consists of 30 multiple choice questions. To pass, the applicant must answer at least 24 questions correctly. Each question has four possible answer choices. Test questions come from the Commercial Driver Guide. Questions come from the chapter covering: Hazardous Materials. The Hazardous Materials endorsement can be used with Class A, B and C CDL.

Number of Question
Passing Score

7. What does a material’s hazard class reflect?

Explanation
A hazardous material will fall into one of nine hazard classes. The material's hazard class reflects its associated risks.

8. Flammable gases are categorized as ____ hazards.

Explanation
Flammable gases are assigned to hazardous materials Class 2.

9. If you are transporting explosives and your vehicle breaks down, you may notify other drivers:

Explanation
If your vehicle breaks down on the road while you are transporting explosive materials, you must warn other drivers. Put out warning signals like reflective triangles or electric lights if you are carrying Division 1.1, 1.2, or 1.3 explosives. Do the same if you are driving a tank used to transport Class 3 flammable liquids or Division 2.1 flammable gases, even if the tank is empty. If transporting flammable materials, do not use warning signals that could cause your cargo to catch fire.

10. When accepting a package of hazardous materials, a driver should ensure:

Explanation
When carrying hazardous materials, it is a good idea to compare the shipping papers to the markings and labels on the packages.

11. Shipping papers:

Explanation
For all shipments of hazardous materials, the shipper must use shipping papers to inform drivers and dockworkers of the risks presented by the cargo.

12. Unless excepted, a shipping paper must list:

Explanation
Unless excepted, hazardous materials shipping papers must list an emergency response telephone number.
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