CDL Hazardous Materials Endorsement (HME)Bulk Tanks and Other ContainersMedium
A bulk packaging containing a hazardous material must display proper placards. However, if the material is a Class 9 (Miscellaneous Hazardous Material) and is transported by highway or rail, what is the specific placarding requirement for this class?
- AA Class 9 placard is always required regardless of quantity.
- BA Class 9 placard is required only if the aggregate gross weight is 1,001 pounds or more in a bulk packaging.
- CA Class 9 placard is not required for domestic transport by highway or rail, even in bulk.
- DA Class 9 placard is not required for bulk packaging unless it is also a marine pollutant.
Show answer & explanationAnswer & explanation
Correct answer: C. A Class 9 placard is not required for domestic transport by highway or rail, even in bulk.
According to 49 CFR 172.504(f)(9), a Class 9 placard is not required for domestic transportation of Class 9 materials by highway or rail, even when transported in bulk. However, the bulk packaging must still be marked with the appropriate identification number.
Why the other options are wrong
- A. This is incorrect; there's an exception for Class 9 in domestic highway/rail transport.
- B. This rule applies to most Table 2 materials, but Class 9 has a specific exception for domestic highway/rail.
- D. Marine pollutants are a separate designation, and while they can be Class 9, the placarding exception for domestic highway/rail still applies to the Class 9 placard itself.
Class 9 Bulk Placarding Exception
For domestic transportation by highway or rail, a Class 9 (Miscellaneous Hazardous Material) placard is not required for bulk packaging, although the identification number must still be displayed.
- Applies only to Class 9 materials.
- Specific to domestic highway and rail transport.
- Identification numbers are still required on bulk packaging.
- International or vessel/air transport may require placards.
Memory trick: Class 9 on a truck or train? No placard pain! But the ID number still remains.