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

Why can “empty” packaging that last contained hazardous material still matter?

Residue can remain regulated and continue to pose hazards unless cleaned or excepted under the rules Empty packages are always unregulated Only full packages can leak Residue changes all materials to Class 9

Correct Answer:

Residue can remain regulated and continue to pose hazards unless cleaned or excepted under the rules

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