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Alabama Fire College HAZMAT Technician Practice Test

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The Class 9 DOT placard indicates which category?
Correct Answer:
Miscellaneous
Explanation:
Class 9 represents miscellaneous dangerous goods. In the DOT system, hazardous materials are divided into classes, with each class having its own placard. Explosives are Class 1, radioactive materials are Class 7, and corrosives are Class 8. Class 9 is a catch-all category for hazards that don’t fit those or the other defined classes, so the placard signals miscellaneous dangerous goods such as lithium batteries, dry ice, environmentally hazardous substances, or certain elevated-temperature materials.

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