WI CDL Hazmat Practice Questions - Wisconsin CDL Hazardous Materials Endorsement Test Exam

Which statement about Class 9 placarding for domestic highway transportation is most accurate?

Class 9 placards are generally not required domestically, though markings and papers may still be required Class 9 placards are always required for one pound Class 9 materials are never regulated Class 9 materials must use poison gas placards

Correct Answer:

Class 9 placards are generally not required domestically, though markings and papers may still be required

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