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

1. In general, when loading a tank with flammable liquids:

Explanation
Before loading or unloading a tank with flammable liquids, you should turn off the engine, unless running the engine is necessary to operate a pump. Ground the tank before opening the filling hole and maintain the ground until after closing the filling hole.

2. ____ are used to warn others of hazardous materials.

Explanation
Diamond-shaped signs called placards are placed on bulk packages and on the outside of vehicles to warn drivers and others of the presence of hazardous materials. It is the responsibility of the shipper to place the placards, and it is the responsibility of the driver to verify that the correct placards have been placed.

3. On a shipping paper, if the letter “G” appears in Column 1, what else needs to appear?

Explanation
If the letter “G,” for "Generic," is written in Column 1 of a shipping paper, the technical name of the associated hazardous material must also be listed.

4. When you are seated behind the steering wheel, shipping papers should be:

Explanation
When transporting hazardous materials, shipping papers should be kept in a pouch in the driver's side door, or in another location where the driver is able to easily reach them while their seat belt is fastened. The papers must be easily visible to anyone who is entering the cab.

5. If a substance is transported in a reportable quantity, which letters must appear on the shipping paper and package?

Explanation
When hazardous materials are being transported in a reportable quantity in one package, the shipper must display the letters "RQ" on the shipping paper and package.

6. As a driver, which of the following is not your job at the scene of an accident?

Explanation
If you are involved in an accident while carrying hazardous materials, it is your responsibility as the driver to keep people away from the scene; limit the spread of material if you can safely do so; inform emergency response personnel of the dangers posed by the materials; and provide emergency personnel with the shipping papers and emergency response information. Unless you have protective equipment and the necessary training, do not try to fight hazardous materials fires yourself.
DMV Writen Test Logo