HazMat Hazardous Materials (HazMat) Endorsement Awareness 3 — Questions and Answers
Question 1: Which of the following HazMat classes requires a 'DANGEROUS' placard when transporting two or more materials of different classes in the same vehicle?
- Any two Class 3 materials together
- Mixed classes where individual placards would otherwise be required, unless one requires a specific placard (Correct answer)
- Only Class 1 and Class 2 mixed loads
- No class combination allows the DANGEROUS placard
Correct answer: Mixed classes where individual placards would otherwise be required, unless one requires a specific placard
The DANGEROUS placard may be used for mixed loads of different hazard classes, except when any single material requires a specific placard such as Explosives or Poison Gas.
Question 2: Where must the emergency response telephone number appear on shipping papers?
- On the placard attached to the trailer
- On the first page in association with the HazMat description (Correct answer)
- Only on the bill of lading, not the manifest
- It is optional if CHEMTREC is listed
Correct answer: On the first page in association with the HazMat description
The emergency response telephone number must appear on the first page of the shipping papers, either before or after the HazMat description or in a prominent location on that page.
Question 3: What does a white square-on-point (diamond) with the number '7' and a propeller symbol indicate on a package?
- Class 7 Radioactive material (Correct answer)
- Class 7 Reactive material
- Seventh edition packaging standard
- Seven-liter maximum capacity
Correct answer: Class 7 Radioactive material
The propeller (trefoil) symbol on a white diamond with the number 7 is the international label for Class 7 Radioactive materials.
Question 4: A driver is asked to transport a package labeled with a Class 1.1 Explosives label. What must the driver do before accepting the load?
- Verify the vehicle has the correct placards and written route approval (Correct answer)
- Simply sign the shipping papers and proceed
- Obtain a special state permit at each weigh station
- Call FMCSA for verbal authorization
Correct answer: Verify the vehicle has the correct placards and written route approval
Class 1.1 explosives require proper placards AND a written route plan approved by the carrier, and drivers must follow that route exactly.
Question 5: How long must a carrier retain shipping papers for a HazMat shipment after the material is delivered?
- 30 days
- 90 days (Correct answer)
- 1 year
- 3 years
Correct answer: 90 days
Carriers are required to retain HazMat shipping papers for 90 days after the material is delivered or transport is completed.
Question 6: What must a HazMat driver do if required to use a route that goes through a tunnel but the tunnel prohibits HazMat vehicles?
- Proceed anyway if it is the only route
- Find an alternate route around the tunnel (Correct answer)
- Wait until off-peak hours to use the tunnel
- Get written permission from local police
Correct answer: Find an alternate route around the tunnel
HazMat drivers must obey all posted tunnel restrictions and must find an alternate route if the tunnel prohibits their cargo.
Question 7: Which of the following best describes 'bulk packaging' under HazMat regulations?
- Any container weighing more than 100 lbs
- A single package with a capacity greater than 119 gallons for liquids or 882 lbs for solids (Correct answer)
- Multiple small containers shipped together
- Any container shipped without inner packaging
Correct answer: A single package with a capacity greater than 119 gallons for liquids or 882 lbs for solids
Bulk packaging is defined as a single packaging with a liquid capacity greater than 119 gallons, a solid net mass greater than 882 lbs, or a water capacity greater than 1,000 lbs for gas.
HazMat Hazardous Materials (HazMat) Endorsement Awareness 3
Which of the following HazMat classes requires a 'DANGEROUS' placard when transporting two or more materials of different classes in the same vehicle?