HazMat #2
Hazmat Test | District Of Columbia 2026 #2 Page 5 of 5
On our website, we provide FREE practice - CDL hazmat test online! The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a DC CDL hazmat endorsement in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that District Of Columbia requirements for issuing a hazmat endorsement for CDL may vary from those established in other states.
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25 . What should a carrier do if hazardous materials are not properly prepared?
Refuse the shipment
It is the responsibility of a carrier to refuse improper shipments of hazardous materials.
26 . What should be done if the third column of the Hazardous Materials Table contains the word “Forbidden?”
The indicated substance should be accompanied by a security guard.
The third column of the Hazardous Materials Table lists items' hazard classes and divisions. Drivers should never transport a material that is marked by the word "Forbidden."
27 . How must a shipper notify a driver of the risks associated with their cargo?
By placing orange dots on packages
Shippers of hazardous cargo must alert drivers and others to relevant hazards through proper shipping papers, hazard warning labels on packages, emergency response information, and placards.
28 . Column 2 of the Hazardous Materials Table contains:
The costs of the materials.
Column 2 of the Hazardous Materials Table lists the proper shipping names and descriptions of regulated materials.
29 . If transporting explosives, you may leave your vehicle unattended:
In a safe haven.
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.
30 . If hazardous materials are being transported, how are other drivers warned?
By the driver waving an arm out the window
