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 Maryland 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. When approaching a railroad crossing while transporting chlorine:

Explanation
If transporting any amount of chlorine, a driver must always stop at a railroad crossing 15 to 50 feet from the nearest track, regardless of the presence of a train.

9. ____ is responsible for properly labeling hazardous materials.

Explanation
The shipper of hazardous materials is responsible for packaging, marking, and labeling the materials properly. It is a good idea for the driver to ensure the materials are properly labeled.

10. Regulations require hazardous materials employees to be trained and tested how often?

Explanation
Hazardous materials employees must be trained and tested at least once every three years. Drivers must learn the risks associated with hazardous materials and be able to properly respond to security threats.

11. If a package contains liquid containers, the box must display:

Explanation
Packages that contain liquid containers must have orientation markers. Arrows displayed on the box should be pointing in the correct upright direction.

12. A person attending a placarded vehicle must be:

Explanation
A person attending a placarded vehicle must be awake inside the vehicle or otherwise within 100 feet of the vehicle; know the hazards associated with the materials; know what to do in an emergency; and be able and authorized to move the tank if necessary.
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