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 Hawaii 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. The identification numbers assigned to chemicals can be found:

Explanation
Information about hazardous chemicals is found in the Emergency Response Guide (ERG) provided by U.S. Department of Transportation (DOT). The ERG is indexed by the proper shipping names and identification numbers of substances.

2. When trying to control a minor truck fire, what should you do before opening trailer doors?

Explanation
If you are experiencing a truck fire, you should not attempt to open trailer doors without first feeling the doors to see if they are hot. If the doors are hot, there may be a cargo fire. Leave the doors closed if there is a cargo fire.

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. Placards showing the type of hazardous materials in a vehicle are usually which shape?

Explanation
In general, vehicles carrying hazardous materials are required to display diamond-shaped warning signs on all four sides. These warning signs are called "placards."

5. 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.

6. On a shipping paper describing both hazardous and non-hazardous materials, the hazardous materials may be identified by being:

Explanation
If a shipping paper includes information about both hazardous and non-hazardous materials, the hazardous items must be clearly identified on the paper. They may be entered first, highlighted in a contrasting color, or identified with an "X" placed before the shipping description.
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