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 Rhode Island 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. 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.

2. If transporting chlorine, what must be in the vehicle?

Explanation
If transporting chlorine in cargo tanks, a driver must have an approved gas mask in their vehicle.

3. An indicator that cargo contains hazardous materials is:

Explanation
Packaging can be an indicator of whether or not materials are hazardous. Cylinders and drums are often used to hold and transport hazardous materials.

4. Placards showing the type of hazardous materials in a vehicle are usually shaped like what?

Explanation
Hazardous materials warning placards are diamond-shaped.

5. What is the symbol for a marine pollutant?

Explanation
The marine pollutant symbol is the image of a fish in a white triangle with an X through through the fish.

6. You may leave a vehicle that is carrying explosives unattended:

Explanation
When transporting hazardous materials, you may leave your vehicle unattended in a safe haven. A safe haven is a location that has been approved for parking unattended vehicles that are loaded with explosives.
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