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 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. ____ identical placards must be placed on a vehicle transporting hazardous materials.

Explanation
When hazardous materials placards are required, they must be placed on all four sides of the transporting vehicle.

2. When refueling a vehicle transporting hazardous materials:

Explanation
Always turn the engine off before refueling a vehicle carrying hazardous materials. Someone must always be at the nozzle controlling the fuel flow.

3. If a shipping paper describes both hazardous and non-hazardous materials, the hazardous materials may need to be:

Explanation
If a shipping paper describes both hazardous and non-hazardous materials, the hazardous materials must be distinguished in one of three ways. They must be entered first on the shipping paper, highlighted in a contrasting color, or properly marked with an "X" in a column titled "HM."

4. If a shipping paper has both hazardous and non-hazardous materials, the hazardous materials should be:

Explanation
When a shipping paper includes both hazardous and non-hazardous materials, one acceptable method of identifying the hazardous items is to highlight them in a contrasting color.

5. In addition to reading the manual, the best way to learn about transporting hazardous materials is to:

Explanation
While the manual includes all of the information required to pass the hazardous materials knowledge test, you should consider reading the manual as only the first step to learning about the topic. You can learn more by reading and understanding the federal and state rules about the transportation of hazardous materials, as well as by attending hazardous materials training courses.

6. If cargo containing hazardous materials is leaking, the driver should:

Explanation
In the event of a leak in a cargo of hazardous materials, do not continue to drive any longer than is necessary for safety. Continuing to drive would result in a larger area becoming contaminated. Instead, park the vehicle, secure the area, stay with the vehicle, and send someone to get help.
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