Instructions

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 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. Test questions come from the Ohio Commercial Driver’s License Manual. 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 30

Passing Score 24

1. When loading compressed gas, the liquid discharge valves should be:

Closed.

Removed.

Opened.

On a compressed gas tank, liquid discharge valves must always be kept closed, except during loading and unloading.

2. The only way to effectively check your tire pressure is:

With a tire pressure gauge.

By eyeballing it.

By pushing on the tire to feel the pressure.

You must examine each tire on a motor vehicle at the beginning of each trip. The only effective way to check tire pressure is by using a tire pressure gauge.

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

The carrier

The shipper

The driver

Shippers of hazardous materials are required to warn drivers and others about the risks of the materials by putting hazard warning labels on packages, putting placards on the transporting vehicles, and providing proper shipping papers and emergency response information.

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

Keeping people away from the scene.

Taking heroic measures to put the fire out.

Communicating the danger of the hazardous materials to response personnel.

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.