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 or four possible answer choices. Test questions come from the Alabama 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
1. An improperly placarded vehicle:
A vehicle carrying hazardous materials must be appropriately placarded to be driven. An improperly placarded vehicle may only be driven if necessary to protect life or property in an emergency.
2. Which type of material may be required to have a transport index?
Some radioactive materials are required to be accompanied by a transport index. A transport index is a number that indicates how much control the material will require during transport. The total transport index of all cargo in a single vehicle may not exceed 50.
3. If corrosive materials leak in a trailer, the trailer should be:
Parts of a vehicle that have been exposed to corrosive liquids must be thoroughly washed with water.
4. If transporting a package that contains radioactive materials, it is important to know that:
Radiation will surround each package of radioactive materials and pass through to all nearby packages. The number of packages that can be loaded together is controlled.
5. When loading containers of hazardous materials, you should not use:
Always protect containers of hazardous materials. When loading hazardous materials, never use equipment that could damage containers or packaging, such as hooks.
6. Which agency helps coordinate emergency response to chemical hazards?