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 Missouri Commercial Driver’s 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
Passing Score

7. 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."

8. To transport hazardous materials, what does a driver need?

Explanation
You must have a CDL with a hazardous materials endorsement to drive a vehicle of any size that is used for transporting hazardous materials.

9. If transporting hazardous materials, a shipper should warn others by:

Explanation
Shippers of certain kinds of hazardous materials are required to display diamond-shaped warning signs, known as placards, on any transporting vehicles. Shippers are required to provide applicable placards, labels, shipping papers, and emergency response information.

10. If a package of hazardous materials is not large enough to hold a label, it should be labeled:

Explanation
If a hazardous materials label will not fit onto a package, it may be placed on a tag that is securely attached to the package.

11. If your engine runs a pump used during delivery of compressed gas, you should turn off the engine:

Explanation
Unless your engine runs a pump for product transfer, turn it off when loading or unloading a compressed gas tank. If you do use your engine to run a pump, you should turn the engine off after the product transfer but before unhooking the hoses.

12. A clue that your shipment contains hazardous materials is that:

Explanation
One clue that a shipment may contain hazardous materials is that the shipper is in a line of business that involves such materials. Examples include paint dealers; chemical suppliers; scientific supply houses; pest control businesses; agricultural supply firms; and dealers in explosives, munitions, or fireworks.
DMV Writen Test Logo