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 two, three or four possible answer choices. Test questions come from the Utah Commercial Driver License Handbook. 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

1. 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.

2. A person who is watching the loading or unloading of a tank must do all of the following, except:

Explanation
The person in charge of loading or unloading a hazardous materials cargo tank must ensure that a qualified person is always supervising the process. The supervisor must be alert; have a clear view of the tank; be within 25 feet of the tank; know the hazards of the involved materials; know the procedures to follow in the case of an emergency; and be authorized to and capable of moving the tank.

3. The person loading a tank with hazardous materials must be all of the following, except:

Explanation
The person in charge of loading or unloading a hazardous materials cargo tank must ensure that a qualified person is always supervising the process. The supervisor must be alert; have a clear view of the tank; be within 25 feet of the tank; know the hazards of the involved materials; know the procedures to follow in the case of an emergency; and be authorized to and capable of moving the tank.

4. If corrosive materials leak in the trailer, the trailer should be:

Explanation
Parts of a vehicle that have been exposed to a corrosive material must be thoroughly washed with water.

5. Who must mark and label the materials for shipping?

Explanation
The shipper of hazardous materials is responsible for correctly labeling and marking them. The driver should make sure that the shipper properly labeled and marked the materials before beginning a trip.

6. Who must label hazardous materials?

Explanation
The shipper of hazardous materials is responsible for packaging, marking, and labeling the materials. They must supply any necessary placards.
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