DOT Hazard Class 7 consists of which substances?

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Multiple Choice

DOT Hazard Class 7 consists of which substances?

Explanation:
Radioactive materials are designated as Hazard Class 7 in the DOT system. This class groups substances that emit ionizing radiation or become radioactive, and they require special handling, packaging, labeling, and regulatory controls to protect people and the environment. The other items correspond to different hazard classes—flammable solids fall under Class 4, nonflammable gases under Class 2, and toxic liquids under Class 6—so radioactive substances are the correct match for Class 7.

Radioactive materials are designated as Hazard Class 7 in the DOT system. This class groups substances that emit ionizing radiation or become radioactive, and they require special handling, packaging, labeling, and regulatory controls to protect people and the environment. The other items correspond to different hazard classes—flammable solids fall under Class 4, nonflammable gases under Class 2, and toxic liquids under Class 6—so radioactive substances are the correct match for Class 7.

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