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 three possible answer choices. Test questions come from the Maine Commercial Driver License Manual. Questions come from the chapters covering: Hazardous Materials, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. The Hazardous Materials endorsement can be used with Class A, B and C CDL.

Number of Question
Passing Score

1. If transporting a package that contains radioactive materials, it is important to know that:

Explanation
Radiation will surround each package of radioactive materials and pass through to all nearby packages. The number of packages that can be loaded together is controlled.

2. During a cargo fire, opening the trailer doors may actually cause the fire to expand because doing so:

Explanation
When experiencing a cargo fire, it may be a bad idea to open the doors to the trailer. Doing so allows oxygen to enter the area, potentially causing the fire to flare up and expand.

3. Unless the package is clearly unsafe, a driver needs ____ to accept a package.

Explanation
When a shipper packages hazardous materials, they certify that the package has been prepared according to Hazardous Materials Regulations (HMR). Unless a package is clearly unsafe or noncomplying with HMR, you may accept the shipper’s certification concerning the proper packaging of a material.

4. If transporting explosives:

Explanation
If transporting Division 1.1, 1.2, or 1.3 explosives, you must follow a written route plan. Whenever placarded, avoid heavily populated areas, crowds, tunnels, narrow streets, and alleys. Be sure to research any restrictions that may apply to the routes you plan to take.

5. When refueling a vehicle carrying hazardous materials:

Explanation
If you need to refuel a vehicle carrying hazardous materials, you must first turn off the engine. While refueling, someone must be at the nozzle and controlling the fuel flow at all times.

6. When applying for an original or renewed HazMat endorsement, you must undergo a background check through which agency?

Explanation
When applying for an original or renewed HazMat endorsement, you must undergo a federal security threat assessment done by the Transportation Security Administration (TSA).
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